error[E0583]: file not found for module `wait_status`
  --> /home/nikarh/.local/share/rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/unix/process/process_unsupported.rs:58:1
   |
58 | mod wait_status;
   | ^^^^^^^^^^^^^^^^
   |
   = help: to create the module `wait_status`, create file "/home/nikarh/.local/share/rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/unix/process/wait_status.rs" or "/home/nikarh/.local/share/rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/unix/process/wait_status/mod.rs"

error[E0432]: unresolved import `wait_status::ExitStatus`
  --> /home/nikarh/.local/share/rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/unix/process/process_unsupported.rs:59:9
   |
59 | pub use wait_status::ExitStatus;
   |         ^^^^^^^^^^^^^^^^^^^^^^^ no `ExitStatus` in `sys::unix::process::process_inner::wait_status`
   |
help: consider importing this struct instead
   |
59 | pub use crate::process::ExitStatus;
   |         ~~~~~~~~~~~~~~~~~~~~~~~~~~

error[E0432]: unresolved import `crate::sys::process::ExitStatus`
  --> /home/nikarh/.local/share/rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys_common/process.rs:10:35
   |
10 | use crate::sys::process::{EnvKey, ExitStatus, Process, StdioPipes};
   |                                   ^^^^^^^^^^ no `ExitStatus` in `sys::unix::process`
   |
   = help: consider importing this struct instead:
           crate::process::ExitStatus

error[E0599]: no function or associated item named `from_inner` found for struct `ExitStatus` in the current scope
    --> /home/nikarh/.local/share/rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/os/unix/process.rs:300:30
     |
300  |         process::ExitStatus::from_inner(From::from(raw))
     |                              ^^^^^^^^^^ function or associated item not found in `ExitStatus`
     |
    ::: /home/nikarh/.local/share/rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/process.rs:1594:1
     |
1594 | pub struct ExitStatus(imp::ExitStatus);
     | --------------------- function or associated item `from_inner` not found for this struct
     |
     = help: items from traits can only be used if the trait is implemented and in scope
note: `FromInner` defines an item `from_inner`, perhaps you need to implement it
    --> /home/nikarh/.local/share/rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys_common/mod.rs:80:1
     |
80   | pub trait FromInner<Inner> {
     | ^^^^^^^^^^^^^^^^^^^^^^^^^^

error[E0599]: no method named `as_inner` found for reference `&ExitStatus` in the current scope
   --> /home/nikarh/.local/share/rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/os/unix/process.rs:304:14
    |
304 |         self.as_inner().signal()
    |              ^^^^^^^^ method not found in `&ExitStatus`
    |
    = help: items from traits can only be used if the trait is implemented and in scope
note: `AsInner` defines an item `as_inner`, perhaps you need to implement it
   --> /home/nikarh/.local/share/rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys_common/mod.rs:62:1
    |
62  | pub trait AsInner<Inner: ?Sized> {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error[E0599]: no method named `as_inner` found for reference `&ExitStatus` in the current scope
   --> /home/nikarh/.local/share/rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/os/unix/process.rs:308:14
    |
308 |         self.as_inner().core_dumped()
    |              ^^^^^^^^ method not found in `&ExitStatus`
    |
    = help: items from traits can only be used if the trait is implemented and in scope
note: `AsInner` defines an item `as_inner`, perhaps you need to implement it
   --> /home/nikarh/.local/share/rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys_common/mod.rs:62:1
    |
62  | pub trait AsInner<Inner: ?Sized> {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error[E0599]: no method named `as_inner` found for reference `&ExitStatus` in the current scope
   --> /home/nikarh/.local/share/rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/os/unix/process.rs:312:14
    |
312 |         self.as_inner().stopped_signal()
    |              ^^^^^^^^ method not found in `&ExitStatus`
    |
    = help: items from traits can only be used if the trait is implemented and in scope
note: `AsInner` defines an item `as_inner`, perhaps you need to implement it
   --> /home/nikarh/.local/share/rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys_common/mod.rs:62:1
    |
62  | pub trait AsInner<Inner: ?Sized> {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error[E0599]: no method named `as_inner` found for reference `&ExitStatus` in the current scope
   --> /home/nikarh/.local/share/rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/os/unix/process.rs:316:14
    |
316 |         self.as_inner().continued()
    |              ^^^^^^^^ method not found in `&ExitStatus`
    |
    = help: items from traits can only be used if the trait is implemented and in scope
note: `AsInner` defines an item `as_inner`, perhaps you need to implement it
   --> /home/nikarh/.local/share/rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys_common/mod.rs:62:1
    |
62  | pub trait AsInner<Inner: ?Sized> {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error[E0599]: no method named `as_inner` found for struct `ExitStatus` in the current scope
    --> /home/nikarh/.local/share/rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/os/unix/process.rs:320:14
     |
320  |         self.as_inner().into_raw().into()
     |              ^^^^^^^^ method not found in `ExitStatus`
     |
    ::: /home/nikarh/.local/share/rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/process.rs:1594:1
     |
1594 | pub struct ExitStatus(imp::ExitStatus);
     | --------------------- method `as_inner` not found for this struct
     |
     = help: items from traits can only be used if the trait is implemented and in scope
note: `AsInner` defines an item `as_inner`, perhaps you need to implement it
    --> /home/nikarh/.local/share/rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys_common/mod.rs:62:1
     |
62   | pub trait AsInner<Inner: ?Sized> {
     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error[E0599]: no function or associated item named `from_inner` found for struct `ExitStatus` in the current scope
    --> /home/nikarh/.local/share/rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/process.rs:1601:21
     |
1594 | pub struct ExitStatus(imp::ExitStatus);
     | --------------------- function or associated item `from_inner` not found for this struct
...
1601 |         ExitStatus::from_inner(imp::ExitStatus::default())
     |                     ^^^^^^^^^^ function or associated item not found in `ExitStatus`
     |
     = help: items from traits can only be used if the trait is implemented and in scope
note: `FromInner` defines an item `from_inner`, perhaps you need to implement it
    --> /home/nikarh/.local/share/rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys_common/mod.rs:80:1
     |
80   | pub trait FromInner<Inner> {
     | ^^^^^^^^^^^^^^^^^^^^^^^^^^

Some errors have detailed explanations: E0432, E0583, E0599.
For more information about an error, try `rustc --explain E0432`.
error: could not compile `std` (lib) due to 10 previous errors
Error: cargo build failed