[INFO] updating cached repository scottrabin/breakout
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/scottrabin/breakout
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/scottrabin/breakout" "work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/scottrabin/breakout"`
[INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/scottrabin/breakout'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/scottrabin/breakout" "work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/scottrabin/breakout"`
[INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/scottrabin/breakout'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 77c5df733e71d202ee5694bb83b6360fce165e75
[INFO] sha for GitHub repo scottrabin/breakout: 77c5df733e71d202ee5694bb83b6360fce165e75
[INFO] validating manifest of scottrabin/breakout on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of scottrabin/breakout on toolchain try#74092351c05ae61047b2be02024415546595e974
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing scottrabin/breakout
[INFO] finished frobbing scottrabin/breakout
[INFO] frobbed toml for scottrabin/breakout written to work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/scottrabin/breakout/Cargo.toml
[INFO] started frobbing scottrabin/breakout
[INFO] finished frobbing scottrabin/breakout
[INFO] frobbed toml for scottrabin/breakout written to work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/scottrabin/breakout/Cargo.toml
[INFO] crate scottrabin/breakout already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking scottrabin/breakout against try#74092351c05ae61047b2be02024415546595e974 for pr-60174
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60174/worker-7/try#74092351c05ae61047b2be02024415546595e974:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/scottrabin/breakout:/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" "+74092351c05ae61047b2be02024415546595e974-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b17caf655d4ee1ed036237cc99ff014444918db0dfa6a54e939c1c0ff10aebd0
[INFO] running `"docker" "start" "-a" "b17caf655d4ee1ed036237cc99ff014444918db0dfa6a54e939c1c0ff10aebd0"`
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling nonzero_signed v1.0.3
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]     Checking tuple_utils v0.2.0
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking wavefront_obj v5.1.0
[INFO] [stderr]     Checking hetseq v0.2.0
[INFO] [stderr]     Checking fluent-locale v0.4.1
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling cmake v0.1.37
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr]    Compiling bincode v1.1.2
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking annotate-snippets v0.1.0
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]    Compiling rustc_version_runtime v0.1.5
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking slice-deque v0.1.16
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]    Compiling gfx_macros v0.2.1
[INFO] [stderr]     Checking intl_pluralrules v1.0.3
[INFO] [stderr]    Compiling wayland-scanner v0.21.12
[INFO] [stderr]     Checking backtrace v0.3.14
[INFO] [stderr]     Checking fluent-syntax v0.1.1
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling shred-derive v0.5.1
[INFO] [stderr] error: failed to run custom build command for `rustc_version_runtime v0.1.5`
[INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/rustc_version_runtime-627b4ba65eab4da8/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55ef80803a03 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6515ec1ef9594192
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55ef807ff7eb - std::sys_common::backtrace::_print::hb215987fd0f3bdab
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55ef80802896 - std::panicking::default_hook::{{closure}}::h4a8ac437a15b7e61
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x55ef8080262b - std::panicking::default_hook::h00c4e1197baff538
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55ef80802eef - std::panicking::rust_panic_with_hook::haeaa430055d89a32
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55ef80802a71 - std::panicking::continue_panic_fmt::h5fd4309c55432650
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x55ef80802955 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x55ef80817b9c - core::panicking::panic_fmt::h47c85e4f40885754
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x55ef807d2b02 - core::result::unwrap_failed::h21f8b7ec7e757077
[INFO] [stderr]                                at /rustc/74092351c05ae61047b2be02024415546595e974/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x55ef807d3117 - core::result::Result<T,E>::unwrap::hc0ff3ab6990c51c9
[INFO] [stderr]                                at /rustc/74092351c05ae61047b2be02024415546595e974/src/libcore/result.rs:800
[INFO] [stderr]   10:     0x55ef807d090a - build_script_build::main::hdd29c042fb139eca
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27
[INFO] [stderr]   11:     0x55ef807d20cf - std::rt::lang_start::{{closure}}::hc9997ffb420959e7
[INFO] [stderr]                                at /rustc/74092351c05ae61047b2be02024415546595e974/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x55ef80802942 - std::panicking::try::do_call::h872832f9771f0a0e
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x55ef80809089 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   14:     0x55ef808033fc - std::rt::lang_start_internal::h47b7b8d4b465778b
[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]   15:     0x55ef807d20a8 - std::rt::lang_start::ha9e97e45d7eb6ecc
[INFO] [stderr]                                at /rustc/74092351c05ae61047b2be02024415546595e974/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x55ef807d1909 - main
[INFO] [stderr]   17:     0x7f2b4615b2e0 - __libc_start_main
[INFO] [stderr]   18:     0x55ef807d0289 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "b17caf655d4ee1ed036237cc99ff014444918db0dfa6a54e939c1c0ff10aebd0"`
[INFO] running `"docker" "rm" "-f" "b17caf655d4ee1ed036237cc99ff014444918db0dfa6a54e939c1c0ff10aebd0"`
[INFO] [stdout] b17caf655d4ee1ed036237cc99ff014444918db0dfa6a54e939c1c0ff10aebd0