[INFO] fetching crate amethyst_test 0.1.0...
[INFO] extracting crate amethyst_test 0.1.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/amethyst_test/0.1.0
[INFO] extracting crate amethyst_test 0.1.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/amethyst_test/0.1.0
[INFO] validating manifest of amethyst_test-0.1.0 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 amethyst_test-0.1.0 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 amethyst_test-0.1.0
[INFO] finished frobbing amethyst_test-0.1.0
[INFO] frobbed toml for amethyst_test-0.1.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/amethyst_test/0.1.0/Cargo.toml
[INFO] started frobbing amethyst_test-0.1.0
[INFO] finished frobbing amethyst_test-0.1.0
[INFO] frobbed toml for amethyst_test-0.1.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/amethyst_test/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 amethyst_test-0.1.0 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/amethyst_test/0.1.0:/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] 29a85384e3270d7f758dc53ea3c582d85130524cc20fcc2aeff135ef1b85cb27
[INFO] running `"docker" "start" "-a" "29a85384e3270d7f758dc53ea3c582d85130524cc20fcc2aeff135ef1b85cb27"`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling libm v0.1.3
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling downcast-rs v1.0.4
[INFO] [stderr]    Compiling nonzero_signed v1.0.3
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling atom v0.3.5
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling shrev v1.1.1
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling tuple_utils v0.2.0
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling mint v0.5.1
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling wavefront_obj v5.1.0
[INFO] [stderr]    Compiling hetseq v0.2.0
[INFO] [stderr]    Compiling xi-unicode v0.1.0
[INFO] [stderr]    Compiling rgb v0.8.13
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling hashbrown v0.3.1
[INFO] [stderr]    Compiling claxon v0.3.3
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling fluent-locale v0.4.1
[INFO] [stderr]    Compiling boxfnonce v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling cmake v0.1.40
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling annotate-snippets v0.1.0
[INFO] [stderr]    Compiling gif v0.10.2
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rustc_version_runtime v0.1.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling stb_truetype v0.2.6
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling ogg v0.7.0
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling wayland-scanner v0.21.12
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling fluent-syntax v0.1.1
[INFO] [stderr] error: failed to run custom build command for `rustc_version_runtime v0.1.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/rustc_version_runtime-320d0b157e8603d4/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:     0x558ba62b943b - 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:     0x558ba62b943b - 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:     0x558ba62b943b - std::sys_common::backtrace::_print::hc8c584aa09df5c15
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x558ba62b943b - std::sys_common::backtrace::print::h4828f56ae571c1ad
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x558ba62b943b - std::panicking::default_hook::{{closure}}::h69fce690c9f4b3d3
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x558ba62b913c - std::panicking::default_hook::h231e0e11400caad4
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x558ba62b9b00 - std::panicking::rust_panic_with_hook::h8c0d039880f491f2
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x558ba62b9682 - std::panicking::continue_panic_fmt::hd71af4da4e8103ab
[INFO] [stderr]                                at src/libstd/panicking.rs:382
[INFO] [stderr]    8:     0x558ba62b9566 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:309
[INFO] [stderr]    9:     0x558ba62d2bfd - core::panicking::panic_fmt::h5b6e1f42b8cc12be
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x558ba62889e3 - core::result::unwrap_failed::hd1827af17828900c
[INFO] [stderr]                                at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x558ba6288d78 - core::result::Result<T,E>::unwrap::h808afaf30ce9058e
[INFO] [stderr]                                at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/result.rs:800
[INFO] [stderr]   12:     0x558ba628657b - build_script_build::main::h3f53aed8e7aba722
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27
[INFO] [stderr]   13:     0x558ba6287d30 - std::rt::lang_start::{{closure}}::h0bce8f7872ed1446
[INFO] [stderr]                                at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x558ba62b9553 - std::rt::lang_start_internal::{{closure}}::ha7c0c29bf9d4b1ec
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x558ba62b9553 - std::panicking::try::do_call::h6e54176261da06d4
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   16:     0x558ba62bfbea - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   17:     0x558ba62ba00d - std::panicking::try::h108b9053abb3bfc3
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   18:     0x558ba62ba00d - std::panic::catch_unwind::h26d0733c47c2fe78
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   19:     0x558ba62ba00d - std::rt::lang_start_internal::hfa103a00f84c98f5
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x558ba6287d09 - std::rt::lang_start::ha58e085cd8e242c1
[INFO] [stderr]                                at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x558ba628757a - main
[INFO] [stderr]   22:     0x7fa4eb1932e1 - __libc_start_main
[INFO] [stderr]   23:     0x558ba6285efa - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "29a85384e3270d7f758dc53ea3c582d85130524cc20fcc2aeff135ef1b85cb27"`
[INFO] running `"docker" "rm" "-f" "29a85384e3270d7f758dc53ea3c582d85130524cc20fcc2aeff135ef1b85cb27"`
[INFO] [stdout] 29a85384e3270d7f758dc53ea3c582d85130524cc20fcc2aeff135ef1b85cb27