could not load library in building

[atbug]

Tested in two machines:

(@v1.4) pkg> add https://github.com/JuliaComputing/MKL.jl
    Cloning git-repo `https://github.com/JuliaComputing/MKL.jl`
   Updating git-repo `https://github.com/JuliaComputing/MKL.jl`
  Resolving package versions...
  Installed IntelOpenMP_jll ─ v2018.0.3+0
  Installed MKL_jll ───────── v2020.0.166+1
  Installed PackageCompiler ─ v1.1.1
Downloading artifact: IntelOpenMP
   Updating `~/.julia/environments/v1.4/Project.toml`
  [33e6dc65] + MKL v0.2.0 #master (https://github.com/JuliaComputing/MKL.jl)
   Updating `~/.julia/environments/v1.4/Manifest.toml`
  [1d5cc7b8] + IntelOpenMP_jll v2018.0.3+0
  [33e6dc65] + MKL v0.2.0 #master (https://github.com/JuliaComputing/MKL.jl)
  [856f044c] + MKL_jll v2020.0.166+1
  [9b87118b] + PackageCompiler v1.1.1
   Building MKL → `~/.julia/packages/MKL/1edTo/deps/build.log`
┌ Error: Error building `MKL`:
######################################################################## 100.0%
│ error during bootstrap:
│ LoadError("/tmp/jl_QkrCIL/sysimage_packagecompiler_12e29198-85a9-11ea-36d2-75d1fdb86978.jl", 16, ErrorException("could not load library \"libmkl_rt.so\"\nlibmkl_rt.so: cannot open shared object file: No such file or directory"))
│ jl_errorf at /buildworker/worker/package_linux64/build/src/rtutils.c:77
│ jl_load_dynamic_library at /buildworker/worker/package_linux64/build/src/dlload.c:233
│ jl_get_library_ at /buildworker/worker/package_linux64/build/src/runtime_ccall.cpp:50
│ jl_get_library_ at /buildworker/worker/package_linux64/build/src/runtime_ccall.cpp:39 [inlined]
│ jl_load_and_lookup at /buildworker/worker/package_linux64/build/src/runtime_ccall.cpp:61
│ unknown function (ip: 0x7fb3f1eef2d9)
│ set_threading_layer at /home/wangc/.julia/packages/MKL/1edTo/src/MKL.jl:26 [inlined]
│ set_threading_layer at /home/wangc/.julia/packages/MKL/1edTo/src/MKL.jl:26 [inlined]
│ __init__ at /home/wangc/.julia/packages/MKL/1edTo/src/MKL.jl:44
│ unknown function (ip: 0x7fb3f1eef27d)
│ _jl_invoke at /buildworker/worker/package_linux64/build/src/gf.c:2158 [inlined]
│ jl_apply_generic at /buildworker/worker/package_linux64/build/src/gf.c:2322
│ jl_apply at /buildworker/worker/package_linux64/build/src/julia.h:1700 [inlined]
│ do_call at /buildworker/worker/package_linux64/build/src/interpreter.c:369
│ eval_value at /buildworker/worker/package_linux64/build/src/interpreter.c:458
│ eval_stmt_value at /buildworker/worker/package_linux64/build/src/interpreter.c:409 [inlined]
│ eval_body at /buildworker/worker/package_linux64/build/src/interpreter.c:817
│ jl_interpret_toplevel_thunk at /buildworker/worker/package_linux64/build/src/interpreter.c:911
│ top-level scope at /tmp/jl_QkrCIL/sysimage_packagecompiler_12e29198-85a9-11ea-36d2-75d1fdb86978.jl:61
│ jl_toplevel_eval_flex at /buildworker/worker/package_linux64/build/src/toplevel.c:814
│ jl_parse_eval_all at /buildworker/worker/package_linux64/build/src/ast.c:872
│ jl_load at /buildworker/worker/package_linux64/build/src/toplevel.c:872
│ exec_program at /buildworker/worker/package_linux64/build/ui/repl.c:35
│ true_main at /buildworker/worker/package_linux64/build/ui/repl.c:108
│ main at /buildworker/worker/package_linux64/build/ui/repl.c:217
│ __libc_start_main at /lib/x86_64-linux-gnu/libc.so.6 (unknown line)
│ _start at /home/wangc/apps/julia-1.4.1/bin/julia (unknown line)
│
│ [ Info: Splicing in code to load MKL in /home/wangc/apps/julia-1.4.1/bin/../share/julia/base/sysimg.jl
│ [ Info: getting precompile script from: https://raw.githubusercontent.com/JuliaLang/julia/release-1.4/contrib/generate_precompile.jl
│ [ Info: PackageCompiler: creating base system image (incremental=false)...
│ ERROR: LoadError: failed process: Process(`/home/wangc/apps/julia-1.4.1/bin/julia --color=yes --startup-file=no --cpu-target native --sysimage=/tmp/jl_QkrCIL/corecompiler.ji -g1 -O0 --output-ji=/tmp/jl_QkrCIL/sys.ji /tmp/jl_QkrCIL/sysimage_packagecompiler_12e29198-85a9-11ea-36d2-75d1fdb86978.jl`, ProcessExited(1)) [1]
│
│ Stacktrace:
│  [1] pipeline_error at ./process.jl:525 [inlined]
│  [2] read(::Cmd) at ./process.jl:412
│  [3] (::PackageCompiler.var"#2#3"{String,Array{String,1},String,String,String,String})() at /home/wangc/.julia/packages/PackageCompiler/xtztx/src/PackageCompiler.jl:157
│  [4] cd(::PackageCompiler.var"#2#3"{String,Array{String,1},String,String,String,String}, ::String) at ./file.jl:104
│  [5] create_fresh_base_sysimage(::Array{String,1}; cpu_target::String) at /home/wangc/.julia/packages/PackageCompiler/xtztx/src/PackageCompiler.jl:141
│  [6] create_sysimage(::Array{Symbol,1}; sysimage_path::Nothing, project::String, precompile_execution_file::Array{String,1}, precompile_statements_file::Array{String,1}, incremental::Bool, filter_stdlibs::Bool, replace_default::Bool, cpu_target::String, script::String, base_sysimage::Nothing, isapp::Bool) at /home/wangc/.julia/packages/PackageCompiler/xtztx/src/PackageCompiler.jl:414
│  [7] top-level scope at /home/wangc/.julia/packages/MKL/1edTo/src/install.jl:107
│  [8] eval at ./boot.jl:331 [inlined]
│  [9] change_blas_library(::String) at /home/wangc/.julia/packages/MKL/1edTo/src/install.jl:105
│  [10] enable_mkl_startup() at /home/wangc/.julia/packages/MKL/1edTo/src/install.jl:82
│  [11] top-level scope at /home/wangc/.julia/packages/MKL/1edTo/deps/build.jl:5
│  [12] include(::String) at ./client.jl:439
│  [13] top-level scope at none:5
│ in expression starting at /home/wangc/.julia/packages/MKL/1edTo/deps/build.jl:5

└ @ Pkg.Operations /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.4/Pkg/src/Operations.jl:892

Seems like the library is there in artifacts:

➜  lib pwd
/home/wangc/.julia/artifacts/e53a8013e2286a5c55afe3f297d83081ef559abe/lib
➜  lib ls
libmkl_avx.so                   libmkl_cdft_core.so     libmkl_mc3.so              libmkl_vml_avx512_mic.so
libmkl_avx2.so                  libmkl_core.so          libmkl_pgi_thread.so       libmkl_vml_cmpt.so
libmkl_avx512.so                libmkl_def.so           libmkl_rt.so               libmkl_vml_def.so
libmkl_avx512_mic.so            libmkl_gf_ilp64.so      libmkl_scalapack_ilp64.so  libmkl_vml_mc.so
libmkl_blacs_intelmpi_ilp64.so  libmkl_gf_lp64.so       libmkl_scalapack_lp64.so   libmkl_vml_mc2.so
libmkl_blacs_intelmpi_lp64.so   libmkl_gnu_thread.so    libmkl_sequential.so       libmkl_vml_mc3.so
libmkl_blacs_openmpi_ilp64.so   libmkl_intel_ilp64.so   libmkl_tbb_thread.so       mkl_msg.cat
libmkl_blacs_openmpi_lp64.so    libmkl_intel_lp64.so    libmkl_vml_avx.so
libmkl_blacs_sgimpt_ilp64.so    libmkl_intel_thread.so  libmkl_vml_avx2.so
libmkl_blacs_sgimpt_lp64.so     libmkl_mc.so            libmkl_vml_avx512.so

[atbug]

Cannot reproduce now.