[INFO] updating cached repository damienstanton/crust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/damienstanton/crust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/damienstanton/crust" "work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/damienstanton/crust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/damienstanton/crust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/damienstanton/crust" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/damienstanton/crust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/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#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of damienstanton/crust on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-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-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/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-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/damienstanton/crust/Cargo.toml
[INFO] crate damienstanton/crust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking damienstanton/crust against try#42445ded8fd34235a676755cb5d079658ed51f6a for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-4/try#42445ded8fd34235a676755cb5d079658ed51f6a:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/damienstanton/crust:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0a8a51633069b520e7b6086a85a55b170027867ff499aa1c653383fb79b4781a
[INFO] running `"docker" "start" "-a" "0a8a51633069b520e7b6086a85a55b170027867ff499aa1c653383fb79b4781a"`
[INFO] [stderr]    Compiling arrayvec v0.4.9
[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-9216441200adf489/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:     0x5573224a0053 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h4b8c8edcb4a1a884
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55732249bb3b - std::sys_common::backtrace::_print::hb9cb43b8f3a26e66
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55732249ed56 - std::panicking::default_hook::{{closure}}::hda0ee4005e6ff283
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x55732249eae9 - std::panicking::default_hook::hcd452a911bf63096
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55732249f45f - std::panicking::rust_panic_with_hook::hf6a2e8487a670340
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55732249efe1 - std::panicking::continue_panic_fmt::h12123d2ede034222
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x55732249ef2e - std::panicking::begin_panic_fmt::h3dc0e57acecaed84
[INFO] [stderr]                                at src/libstd/panicking.rs:336
[INFO] [stderr]    7:     0x5573223ee885 - cc::fail::hda85411cdbac716e
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.27/src/lib.rs:2313
[INFO] [stderr]    8:     0x5573223d937e - cc::Build::compile::hb60f5da21eecdbd1
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.27/src/lib.rs:950
[INFO] [stderr]    9:     0x5573223d2cf0 - build_script_build::main::h4a98bf26873a7948
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:6
[INFO] [stderr]   10:     0x5573223d27af - std::rt::lang_start::{{closure}}::he12ec859562e45ab
[INFO] [stderr]                                at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libstd/rt.rs:64
[INFO] [stderr]   11:     0x55732249ee62 - std::panicking::try::do_call::hcd6e20d3f55d90f4
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   12:     0x5573224a7909 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   13:     0x55732249fa2c - std::rt::lang_start_internal::h785c82e60cb8195f
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   14:     0x5573223d2788 - std::rt::lang_start::h3af2ed3e9413faf7
[INFO] [stderr]                                at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x5573223d2d49 - main
[INFO] [stderr]   16:     0x7f9483cb22e0 - __libc_start_main
[INFO] [stderr]   17:     0x5573223d2639 - _start
[INFO] [stderr]   18:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "0a8a51633069b520e7b6086a85a55b170027867ff499aa1c653383fb79b4781a"`
[INFO] running `"docker" "rm" "-f" "0a8a51633069b520e7b6086a85a55b170027867ff499aa1c653383fb79b4781a"`
[INFO] [stdout] 0a8a51633069b520e7b6086a85a55b170027867ff499aa1c653383fb79b4781a