[INFO] crate colour 0.3.0 is already in cache [INFO] extracting crate colour 0.3.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/colour/0.3.0 [INFO] extracting crate colour 0.3.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/colour/0.3.0 [INFO] validating manifest of colour-0.3.0 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of colour-0.3.0 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing colour-0.3.0 [INFO] finished frobbing colour-0.3.0 [INFO] frobbed toml for colour-0.3.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/colour/0.3.0/Cargo.toml [INFO] started frobbing colour-0.3.0 [INFO] finished frobbing colour-0.3.0 [INFO] frobbed toml for colour-0.3.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/colour/0.3.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing colour-0.3.0 against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/colour/0.3.0:/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=warn" "-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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 7170b4a46a966b88828115f967d3682b4645754a3cca274d2d5bdb6efa701bbd [INFO] running `"docker" "start" "-a" "7170b4a46a966b88828115f967d3682b4645754a3cca274d2d5bdb6efa701bbd"` [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling colour v0.3.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.17s [INFO] running `"docker" "inspect" "7170b4a46a966b88828115f967d3682b4645754a3cca274d2d5bdb6efa701bbd"` [INFO] running `"docker" "rm" "-f" "7170b4a46a966b88828115f967d3682b4645754a3cca274d2d5bdb6efa701bbd"` [INFO] [stdout] 7170b4a46a966b88828115f967d3682b4645754a3cca274d2d5bdb6efa701bbd [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/colour/0.3.0:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 0e0014040fe489db0dbabae592b2f0dbcd4e84a40fc49d39cf5ea3e9711faa7e [INFO] running `"docker" "start" "-a" "0e0014040fe489db0dbabae592b2f0dbcd4e84a40fc49d39cf5ea3e9711faa7e"` [INFO] [stderr] Compiling colour v0.3.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.96s [INFO] running `"docker" "inspect" "0e0014040fe489db0dbabae592b2f0dbcd4e84a40fc49d39cf5ea3e9711faa7e"` [INFO] running `"docker" "rm" "-f" "0e0014040fe489db0dbabae592b2f0dbcd4e84a40fc49d39cf5ea3e9711faa7e"` [INFO] [stdout] 0e0014040fe489db0dbabae592b2f0dbcd4e84a40fc49d39cf5ea3e9711faa7e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/colour/0.3.0:/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=warn" "-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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 5149e0dce5a49a82251d2b4559044af01559dcaf37986172660e8465ef35856c [INFO] running `"docker" "start" "-a" "5149e0dce5a49a82251d2b4559044af01559dcaf37986172660e8465ef35856c"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/colour-8e0f0399b506d555 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/mod-def1ef17430cbf46 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test colours ... FAILED [INFO] [stderr] error: test failed, to rerun pass '--test mod' [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- colours stdout ---- [INFO] [stdout] thread 'colours' panicked at 'called `Option::unwrap()` on a `None` value', src/libcore/option.rs:347:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55c2ae0c9703 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x55c2ae0c502b - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x55c2ae0c8446 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] at src/libstd/panicking.rs:197 [INFO] [stdout] 3: 0x55c2ae0c816e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x55c2ae0c8b4f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x55c2ae0c86d1 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stdout] at src/libstd/panicking.rs:381 [INFO] [stdout] 6: 0x55c2ae0c85b5 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:308 [INFO] [stdout] 7: 0x55c2ae0da88c - core::panicking::panic_fmt::hc4f83bfed80aeabd [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 8: 0x55c2ae0da7cb - core::panicking::panic::h62fdcfa056e70982 [INFO] [stdout] at src/libcore/panicking.rs:49 [INFO] [stdout] 9: 0x55c2ae05f609 - core::option::Option::unwrap::hbd3128e8a371bf68 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:12 [INFO] [stdout] 10: 0x55c2ae05f032 - core::ops::function::FnOnce::call_once::ha8b2780d2a1a5a0d [INFO] [stdout] at src/unnamed.rs:22 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 11: 0x55c2ae05ef41 - lazy_static::lazy::Lazy::get::{{closure}}::hb43de4101ead18be [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:28 [INFO] [stdout] 12: 0x55c2ae05e6ed - std::sync::once::Once::call_once::{{closure}}::h603535240333c770 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sync/once.rs:220 [INFO] [stdout] 13: 0x55c2ae0c4345 - std::sync::once::Once::call_inner::h179d1a2b131ce906 [INFO] [stdout] at src/libstd/sync/once.rs:387 [INFO] [stdout] 14: 0x55c2ae05e67c - std::sync::once::Once::call_once::h86052865dc0ea55d [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sync/once.rs:220 [INFO] [stdout] 15: 0x55c2ae05e055 - ::deref::h29e7d9c6008df994 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:27 [INFO] [stdout] at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:12 [INFO] [stdout] at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:13 [INFO] [stdout] 16: 0x55c2ae05dad0 - colour::unnamed::write::hce90d7a9df318b2d [INFO] [stdout] at src/unnamed.rs:46 [INFO] [stdout] 17: 0x55c2ae01d9e3 - mod::colours::h647640a639d45143 [INFO] [stdout] at tests/mod.rs:12 [INFO] [stdout] 18: 0x55c2ae01d899 - mod::colours::{{closure}}::hb29545292956f1f1 [INFO] [stdout] at tests/mod.rs:11 [INFO] [stdout] 19: 0x55c2ae0210bd - core::ops::function::FnOnce::call_once::he270a9720a59cdff [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 20: 0x55c2ae02c28e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 21: 0x55c2ae0cb869 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 22: 0x55c2ae046b87 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at src/libtest/lib.rs:1468 [INFO] [stdout] 23: 0x55c2ae0215a4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 24: 0x55c2ae025654 - std::panicking::try::do_call::h6f86e980b52f74d5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stdout] 25: 0x55c2ae0cb869 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 26: 0x55c2ae025c61 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 27: 0x55c2ae0bcbbe - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 28: 0x55c2ae0caf4f - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 29: 0x7f4be82684a3 - start_thread [INFO] [stdout] 30: 0x7f4be7d93d0e - __clone [INFO] [stdout] 31: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] colours [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "5149e0dce5a49a82251d2b4559044af01559dcaf37986172660e8465ef35856c"` [INFO] running `"docker" "rm" "-f" "5149e0dce5a49a82251d2b4559044af01559dcaf37986172660e8465ef35856c"` [INFO] [stdout] 5149e0dce5a49a82251d2b4559044af01559dcaf37986172660e8465ef35856c