[INFO] crate colour 0.3.0 is already in cache [INFO] extracting crate colour 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/colour/0.3.0 [INFO] extracting crate colour 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/colour/0.3.0 [INFO] validating manifest of colour-0.3.0 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of colour-0.3.0 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/colour/0.3.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing colour-0.3.0 against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 18065db6f4f84473c45c07bbd8d900da7cdc1632fd28cdebc2b6e1736ddebb41 [INFO] running `"docker" "start" "-a" "18065db6f4f84473c45c07bbd8d900da7cdc1632fd28cdebc2b6e1736ddebb41"` [INFO] [stderr] Compiling colour v0.3.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.57s [INFO] running `"docker" "inspect" "18065db6f4f84473c45c07bbd8d900da7cdc1632fd28cdebc2b6e1736ddebb41"` [INFO] running `"docker" "rm" "-f" "18065db6f4f84473c45c07bbd8d900da7cdc1632fd28cdebc2b6e1736ddebb41"` [INFO] [stdout] 18065db6f4f84473c45c07bbd8d900da7cdc1632fd28cdebc2b6e1736ddebb41 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] bfb8a2dc12c1322be6e0cce9a40178450d5519cff27bca40a4d6dcd5d60b0c4f [INFO] running `"docker" "start" "-a" "bfb8a2dc12c1322be6e0cce9a40178450d5519cff27bca40a4d6dcd5d60b0c4f"` [INFO] [stderr] Compiling colour v0.3.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.37s [INFO] running `"docker" "inspect" "bfb8a2dc12c1322be6e0cce9a40178450d5519cff27bca40a4d6dcd5d60b0c4f"` [INFO] running `"docker" "rm" "-f" "bfb8a2dc12c1322be6e0cce9a40178450d5519cff27bca40a4d6dcd5d60b0c4f"` [INFO] [stdout] bfb8a2dc12c1322be6e0cce9a40178450d5519cff27bca40a4d6dcd5d60b0c4f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 4987cf6bb3e92110a41a22540249f8a666f243cc4c47802c2242507f76efdaab [INFO] running `"docker" "start" "-a" "4987cf6bb3e92110a41a22540249f8a666f243cc4c47802c2242507f76efdaab"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/colour-9387047b8fba6411 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/mod-bb420191c4305f8a [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] error: test failed, to rerun pass '--test mod' [INFO] [stdout] test colours ... FAILED [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: 0x5582ab7f689b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5582ab7f689b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5582ab7f689b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5582ab7f689b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5582ab7f689b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5582ab7f650a - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5582ab7f7010 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5582ab7f6b92 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5582ab7f6a76 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5582ab80ca7d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5582ab80c9bc - core::panicking::panic::h2d0bc53a963fb996 [INFO] [stdout] at src/libcore/panicking.rs:49 [INFO] [stdout] 11: 0x5582ab78ec35 - core::option::Option::unwrap::h49d1606244545f1b [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:12 [INFO] [stdout] 12: 0x5582ab78ee53 - ::deref::__static_ref_initialize::h8d2233d5e2b42910 [INFO] [stdout] at src/unnamed.rs:22 [INFO] [stdout] 13: 0x5582ab78ee53 - core::ops::function::FnOnce::call_once::hd71b24a0ff73718e [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 14: 0x5582ab78eae3 - lazy_static::lazy::Lazy::get::{{closure}}::hdfb70d83c438f98a [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:28 [INFO] [stdout] 15: 0x5582ab78e2ce - std::sync::once::Once::call_once::{{closure}}::h0ffd7e9b2bed9077 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 16: 0x5582ab7f38c4 - std::sync::once::Once::call_inner::hde4abddfc46a9f17 [INFO] [stdout] at src/libstd/sync/once.rs:392 [INFO] [stdout] 17: 0x5582ab78e253 - std::sync::once::Once::call_once::hf1e1d9dd64109df8 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225 [INFO] [stdout] 18: 0x5582ab78dc36 - lazy_static::lazy::Lazy::get::h6b8457ce522c9aa3 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:27 [INFO] [stdout] 19: 0x5582ab78dc36 - ::deref::__stability::h447b21f2fbc02c64 [INFO] [stdout] at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:12 [INFO] [stdout] 20: 0x5582ab78dc36 - ::deref::hc302e323a0bb8aaa [INFO] [stdout] at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:13 [INFO] [stdout] 21: 0x5582ab78d6e9 - colour::unnamed::write::h28e3ac8705f6aefe [INFO] [stdout] at src/unnamed.rs:46 [INFO] [stdout] 22: 0x5582ab74dba4 - mod::colours::hbf697e464475a9d4 [INFO] [stdout] at tests/mod.rs:12 [INFO] [stdout] 23: 0x5582ab74da5a - mod::colours::{{closure}}::h4d2c286df313df2c [INFO] [stdout] at tests/mod.rs:11 [INFO] [stdout] 24: 0x5582ab750f2e - core::ops::function::FnOnce::call_once::hf3d523931eec136a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 25: 0x5582ab75c39f - as core::ops::function::FnOnce>::call_once::h4a13ee3f0d7b4201 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 26: 0x5582ab7f958a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 27: 0x5582ab776998 - std::panicking::try::h5a93466ab2078586 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 28: 0x5582ab776998 - std::panic::catch_unwind::h752cbeae6ac7bdea [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 29: 0x5582ab776998 - test::run_test::run_test_inner::{{closure}}::h206c9c16936edaca [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 30: 0x5582ab751815 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc7edbac42990d270 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 31: 0x5582ab7558d5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he53c58e7adee87af [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:470 [INFO] [stdout] 32: 0x5582ab7558d5 - as core::ops::function::FnOnce<()>>::call_once::h1aff7c42b6bb3726 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:315 [INFO] [stdout] 33: 0x5582ab7558d5 - std::panicking::try::do_call::h41f8559f88100f6c [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:296 [INFO] [stdout] 34: 0x5582ab7f958a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 35: 0x5582ab755fd2 - std::panicking::try::hb54ba808181fe352 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:275 [INFO] [stdout] 36: 0x5582ab755fd2 - std::panic::catch_unwind::h555ccf4e835e93f4 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panic.rs:394 [INFO] [stdout] 37: 0x5582ab755fd2 - std::thread::Builder::spawn_unchecked::{{closure}}::hd4dae6e19e80fc1a [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/thread/mod.rs:469 [INFO] [stdout] 38: 0x5582ab755fd2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc35d54c07710e1a1 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231 [INFO] [stdout] 39: 0x5582ab7ec3df - as core::ops::function::FnOnce>::call_once::h42806b83647d4c79 [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 40: 0x5582ab7f8ce0 - as core::ops::function::FnOnce>::call_once::h83c921c8e826dd1d [INFO] [stdout] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/liballoc/boxed.rs:746 [INFO] [stdout] 41: 0x5582ab7f8ce0 - std::sys_common::thread::start_thread::h2613204ce513782e [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 42: 0x5582ab7f8ce0 - std::sys::unix::thread::Thread::new::thread_start::h4570080769500bcd [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 43: 0x7f9564be74a4 - start_thread [INFO] [stdout] 44: 0x7f9564712d0f - __clone [INFO] [stdout] 45: 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" "4987cf6bb3e92110a41a22540249f8a666f243cc4c47802c2242507f76efdaab"` [INFO] running `"docker" "rm" "-f" "4987cf6bb3e92110a41a22540249f8a666f243cc4c47802c2242507f76efdaab"` [INFO] [stdout] 4987cf6bb3e92110a41a22540249f8a666f243cc4c47802c2242507f76efdaab