[INFO] cloning repository damienstanton/crust
[INFO] running `"git" "clone" "--bare" "git://github.com/damienstanton/crust.git" "work/cache/sources/gh/damienstanton/crust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/damienstanton/crust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/damienstanton/crust" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/damienstanton/crust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/damienstanton/crust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/damienstanton/crust" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/damienstanton/crust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/damienstanton/crust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 57e3659765fcac3fe0b4ce3264aebe534862140e
[INFO] sha for GitHub repo damienstanton/crust: 57e3659765fcac3fe0b4ce3264aebe534862140e
[INFO] validating manifest of damienstanton/crust on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of damienstanton/crust on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing damienstanton/crust
[INFO] finished frobbing damienstanton/crust
[INFO] frobbed toml for damienstanton/crust written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/damienstanton/crust/Cargo.toml
[INFO] started frobbing damienstanton/crust
[INFO] finished frobbing damienstanton/crust
[INFO] frobbed toml for damienstanton/crust written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/damienstanton/crust/Cargo.toml
[INFO] crate damienstanton/crust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing damienstanton/crust against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/damienstanton/crust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 63d9cd8083e4a1cb5f75de066e80a35fb1a53f57bcbcce76a508095ec0c8f49c
[INFO] running `"docker" "start" "-a" "63d9cd8083e4a1cb5f75de066e80a35fb1a53f57bcbcce76a508095ec0c8f49c"`
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling cc v1.0.27
[INFO] [stderr]    Compiling crust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `crust v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/crust-51c1f1ac2def6b48/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] CXX_x86_64-apple-darwin = None
[INFO] [stderr] CXX_x86_64_apple_darwin = None
[INFO] [stderr] HOST_CXX = None
[INFO] [stderr] CXX = None
[INFO] [stderr] CXXFLAGS_x86_64-apple-darwin = None
[INFO] [stderr] CXXFLAGS_x86_64_apple_darwin = None
[INFO] [stderr] HOST_CXXFLAGS = None
[INFO] [stderr] CXXFLAGS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "src/cpp" "-Wall" "-Wextra" "-o" "./src/cpp/hello.o" "-c" "src/cpp/hello.cpp"
[INFO] [stderr] cargo:warning=Assembler messages:
[INFO] [stderr] cargo:warning=Fatal error: can't create ./src/cpp/hello.o: Read-only file system
[INFO] [stderr] exit code: 1
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at '
[INFO] [stderr] 
[INFO] [stderr] Internal error occurred: Command "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "src/cpp" "-Wall" "-Wextra" "-o" "./src/cpp/hello.o" "-c" "src/cpp/hello.cpp" with args "c++" did not execute successfully (status code exit code: 1).
[INFO] [stderr] 
[INFO] [stderr] ', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.27/src/lib.rs:2313:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5616a3b7a37b - backtrace::backtrace::libunwind::trace::h98ebe34dc63b52e3
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5616a3b7a37b - backtrace::backtrace::trace_unsynchronized::hd041341a38fdc1ca
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5616a3b7a37b - std::sys_common::backtrace::_print::hc8c584aa09df5c15
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5616a3b7a37b - std::sys_common::backtrace::print::h4828f56ae571c1ad
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5616a3b7a37b - std::panicking::default_hook::{{closure}}::h69fce690c9f4b3d3
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x5616a3b7a07c - std::panicking::default_hook::h231e0e11400caad4
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x5616a3b7aaf0 - std::panicking::rust_panic_with_hook::h8c0d039880f491f2
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x5616a3b7a672 - std::panicking::continue_panic_fmt::hd71af4da4e8103ab
[INFO] [stderr]                                at src/libstd/panicking.rs:382
[INFO] [stderr]    8:     0x5616a3b7a5bf - std::panicking::begin_panic_fmt::h6fa6b99240aafbc9
[INFO] [stderr]                                at src/libstd/panicking.rs:337
[INFO] [stderr]    9:     0x5616a3acb226 - cc::fail::h9d80a176bbed0bf0
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.27/src/lib.rs:2313
[INFO] [stderr]   10:     0x5616a3ab5e8f - cc::Build::compile::h37fed6225200b83c
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.27/src/lib.rs:950
[INFO] [stderr]   11:     0x5616a3aafea1 - build_script_build::main::h239b503ac47b9cda
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:6
[INFO] [stderr]   12:     0x5616a3aaf3e0 - std::rt::lang_start::{{closure}}::h82b225a4e2d4ea44
[INFO] [stderr]                                at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x5616a3b7a4f3 - std::rt::lang_start_internal::{{closure}}::ha7c0c29bf9d4b1ec
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   14:     0x5616a3b7a4f3 - std::panicking::try::do_call::h6e54176261da06d4
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   15:     0x5616a3b82eaa - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   16:     0x5616a3b7b0bd - std::panicking::try::h108b9053abb3bfc3
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   17:     0x5616a3b7b0bd - std::panic::catch_unwind::h26d0733c47c2fe78
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   18:     0x5616a3b7b0bd - std::rt::lang_start_internal::hfa103a00f84c98f5
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   19:     0x5616a3aaf3b9 - std::rt::lang_start::hd624d7e9829c72e2
[INFO] [stderr]                                at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/rt.rs:64
[INFO] [stderr]   20:     0x5616a3aafefa - main
[INFO] [stderr]   21:     0x7f16943cf2e1 - __libc_start_main
[INFO] [stderr]   22:     0x5616a3aaf26a - _start
[INFO] [stderr]   23:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "63d9cd8083e4a1cb5f75de066e80a35fb1a53f57bcbcce76a508095ec0c8f49c"`
[INFO] running `"docker" "rm" "-f" "63d9cd8083e4a1cb5f75de066e80a35fb1a53f57bcbcce76a508095ec0c8f49c"`
[INFO] [stdout] 63d9cd8083e4a1cb5f75de066e80a35fb1a53f57bcbcce76a508095ec0c8f49c