[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-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/damienstanton/crust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/damienstanton/crust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/damienstanton/crust" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/damienstanton/crust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of damienstanton/crust on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-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-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking damienstanton/crust against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f939ef9aa9d1c3141424fc6b71ec2b795dcd31dd2914c5fb102b99cd717e6d6b
[INFO] running `"docker" "start" "-a" "f939ef9aa9d1c3141424fc6b71ec2b795dcd31dd2914c5fb102b99cd717e6d6b"`
[INFO] [stderr]    Compiling arrayvec v0.4.9
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling num_cpus v1.9.0
[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-388622d834c32675/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:     0x555a46644f7b - backtrace::backtrace::libunwind::trace::h3a6a6e8afb7ff2de
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x555a46644f7b - backtrace::backtrace::trace_unsynchronized::h2220292c79f07c05
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x555a46644f7b - std::sys_common::backtrace::_print::h8ff1c2c5cb3b84f7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x555a46644f7b - std::sys_common::backtrace::print::h2254c58d69a73304
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x555a46644f7b - std::panicking::default_hook::{{closure}}::hc21cbd062363cef6
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x555a46644c56 - std::panicking::default_hook::hfea076cda52c2914
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x555a466456ed - std::panicking::rust_panic_with_hook::h746830f9f479e849
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x555a46645272 - std::panicking::continue_panic_fmt::h37fa2235c2440555
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x555a466451bf - std::panicking::begin_panic_fmt::h7ba1c30b52463900
[INFO] [stderr]                                at src/libstd/panicking.rs:339
[INFO] [stderr]    9:     0x555a4658f746 - cc::fail::h8a2291287ed68f3c
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.27/src/lib.rs:2313
[INFO] [stderr]   10:     0x555a4657ab21 - cc::Build::compile::h7f3ad97e0d7eac46
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.27/src/lib.rs:950
[INFO] [stderr]   11:     0x555a46575151 - build_script_build::main::hc54e3deca73db950
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:6
[INFO] [stderr]   12:     0x555a46574d70 - std::rt::lang_start::{{closure}}::h4124ed7527dcb92a
[INFO] [stderr]                                at /rustc/266783e4e09e4e9d5307c1c8e695659c58bbcac7/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x555a466450f3 - std::rt::lang_start_internal::{{closure}}::h14c5bec2472d54ad
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   14:     0x555a466450f3 - std::panicking::try::do_call::h88f516924fc6a288
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   15:     0x555a4664d5ba - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   16:     0x555a46645cbd - std::panicking::try::ha613ca8bf0a1302a
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   17:     0x555a46645cbd - std::panic::catch_unwind::h68d4ca98047bc7c5
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   18:     0x555a46645cbd - std::rt::lang_start_internal::h600c3ba1b556e68a
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   19:     0x555a46574d49 - std::rt::lang_start::h58cb245e1a9fe155
[INFO] [stderr]                                at /rustc/266783e4e09e4e9d5307c1c8e695659c58bbcac7/src/libstd/rt.rs:64
[INFO] [stderr]   20:     0x555a465751aa - main
[INFO] [stderr]   21:     0x7f27192bd2e1 - __libc_start_main
[INFO] [stderr]   22:     0x555a4657430a - _start
[INFO] [stderr]   23:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "f939ef9aa9d1c3141424fc6b71ec2b795dcd31dd2914c5fb102b99cd717e6d6b"`
[INFO] running `"docker" "rm" "-f" "f939ef9aa9d1c3141424fc6b71ec2b795dcd31dd2914c5fb102b99cd717e6d6b"`
[INFO] [stdout] f939ef9aa9d1c3141424fc6b71ec2b795dcd31dd2914c5fb102b99cd717e6d6b