[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-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/damienstanton/crust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/damienstanton/crust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/damienstanton/crust" "work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/damienstanton/crust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/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#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of damienstanton/crust on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-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-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/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-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/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" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking damienstanton/crust against master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be for pr-61753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-6/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/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" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ed31c3252418ca838809fc908184145210434adc1a7d0b6b6483730d9c8d2154
[INFO] running `"docker" "start" "-a" "ed31c3252418ca838809fc908184145210434adc1a7d0b6b6483730d9c8d2154"`
[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-dde8d13f1066d85d/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:     0x55f3fcfc67bb - backtrace::backtrace::libunwind::trace::h71e4540e71944056
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55f3fcfc67bb - backtrace::backtrace::trace_unsynchronized::hffa2876a8790e01b
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55f3fcfc67bb - std::sys_common::backtrace::_print::h371b924ab74cc773
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55f3fcfc67bb - std::sys_common::backtrace::print::hf78899287e85cf2b
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55f3fcfc67bb - std::panicking::default_hook::{{closure}}::h05c8d3553d86c2ee
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x55f3fcfc64bc - std::panicking::default_hook::h7c20415196a07833
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x55f3fcfc6f30 - std::panicking::rust_panic_with_hook::h6ba877a55cae0bf5
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x55f3fcfc6ab2 - std::panicking::continue_panic_fmt::h56f73b67c1dd17cd
[INFO] [stderr]                                at src/libstd/panicking.rs:382
[INFO] [stderr]    8:     0x55f3fcfc69ff - std::panicking::begin_panic_fmt::h6d4de460aad84205
[INFO] [stderr]                                at src/libstd/panicking.rs:337
[INFO] [stderr]    9:     0x55f3fcf17246 - cc::fail::h8d58160572372219
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.27/src/lib.rs:2313
[INFO] [stderr]   10:     0x55f3fcf01eaf - cc::Build::compile::hf366491e3eaeb994
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.27/src/lib.rs:950
[INFO] [stderr]   11:     0x55f3fcefb4d1 - build_script_build::main::hfaa505fa2e62275a
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:6
[INFO] [stderr]   12:     0x55f3fcefb5b0 - std::rt::lang_start::{{closure}}::h36c5230bb38b9871
[INFO] [stderr]                                at /rustc/8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x55f3fcfc6933 - std::rt::lang_start_internal::{{closure}}::h09082dcbd0a154ff
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   14:     0x55f3fcfc6933 - std::panicking::try::do_call::h1a2983cc32cc1de1
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   15:     0x55f3fcfcf2ea - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   16:     0x55f3fcfc74fd - std::panicking::try::hb2142adcc3ab321d
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   17:     0x55f3fcfc74fd - std::panic::catch_unwind::h01a1f6df3a4217f6
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   18:     0x55f3fcfc74fd - std::rt::lang_start_internal::ha9e35ae2968d2203
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   19:     0x55f3fcefb589 - std::rt::lang_start::hed019315b674ebc4
[INFO] [stderr]                                at /rustc/8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/src/libstd/rt.rs:64
[INFO] [stderr]   20:     0x55f3fcefb52a - main
[INFO] [stderr]   21:     0x7fe2f86592e1 - __libc_start_main
[INFO] [stderr]   22:     0x55f3fcefb28a - _start
[INFO] [stderr]   23:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "ed31c3252418ca838809fc908184145210434adc1a7d0b6b6483730d9c8d2154"`
[INFO] running `"docker" "rm" "-f" "ed31c3252418ca838809fc908184145210434adc1a7d0b6b6483730d9c8d2154"`
[INFO] [stdout] ed31c3252418ca838809fc908184145210434adc1a7d0b6b6483730d9c8d2154