Dec 15 15:06:09.476 INFO testing fern-0.5.7 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 15:06:09.476 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 15:06:09.666 INFO [stdout] 2c6ade3c246e66dc81156f25fd31f56a201c3f207d16405233d1ee04590f52ab
Dec 15 15:06:09.669 INFO running `"docker" "start" "-a" "2c6ade3c246e66dc81156f25fd31f56a201c3f207d16405233d1ee04590f52ab"`
Dec 15 15:06:10.075 INFO [stderr] usermod: no changes
Dec 15 15:06:10.144 INFO [stderr]    Compiling fern v0.5.7 (/source)
Dec 15 15:06:12.227 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
Dec 15 15:06:12.232 INFO [stderr] su: No module specific data is present
Dec 15 15:06:12.536 INFO running `"docker" "inspect" "2c6ade3c246e66dc81156f25fd31f56a201c3f207d16405233d1ee04590f52ab"`
Dec 15 15:06:12.673 INFO running `"docker" "rm" "-f" "2c6ade3c246e66dc81156f25fd31f56a201c3f207d16405233d1ee04590f52ab"`
Dec 15 15:06:12.758 INFO [stdout] 2c6ade3c246e66dc81156f25fd31f56a201c3f207d16405233d1ee04590f52ab
Dec 15 15:06:12.760 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 15:06:12.948 INFO [stdout] 679329dce6ca25b10c128aa9b860ad590b573310b09f85ade772e01dd82aff6b
Dec 15 15:06:12.952 INFO running `"docker" "start" "-a" "679329dce6ca25b10c128aa9b860ad590b573310b09f85ade772e01dd82aff6b"`
Dec 15 15:06:13.814 INFO [stderr] usermod: no changes
Dec 15 15:06:13.963 INFO [stderr]    Compiling fern v0.5.7 (/source)
Dec 15 15:06:26.006 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.17s
Dec 15 15:06:26.020 INFO [stderr] su: No module specific data is present
Dec 15 15:06:26.498 INFO running `"docker" "inspect" "679329dce6ca25b10c128aa9b860ad590b573310b09f85ade772e01dd82aff6b"`
Dec 15 15:06:26.677 INFO running `"docker" "rm" "-f" "679329dce6ca25b10c128aa9b860ad590b573310b09f85ade772e01dd82aff6b"`
Dec 15 15:06:26.851 INFO [stdout] 679329dce6ca25b10c128aa9b860ad590b573310b09f85ade772e01dd82aff6b
Dec 15 15:06:26.859 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 15:06:27.117 INFO [stdout] 0b1dfccfaff6fdea84c4e5eb3cf6fee3aed43fed20cf0d36b78710f70bbd4aa4
Dec 15 15:06:27.119 INFO running `"docker" "start" "-a" "0b1dfccfaff6fdea84c4e5eb3cf6fee3aed43fed20cf0d36b78710f70bbd4aa4"`
Dec 15 15:06:28.094 INFO [stderr] usermod: no changes
Dec 15 15:06:28.308 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
Dec 15 15:06:28.318 INFO [stderr]      Running /target/debug/deps/fern-18dfc0bc1e7fb51c
Dec 15 15:06:28.320 INFO [stdout] 
Dec 15 15:06:28.320 INFO [stdout] running 7 tests
Dec 15 15:06:28.320 INFO [stdout] test log_impl::test::test_level_config_single_colon_is_not_double_colon ... ok
Dec 15 15:06:28.321 INFO [stdout] test log_impl::test::test_level_config_simple_hierarchy ... ok
Dec 15 15:06:28.321 INFO [stdout] test log_impl::test::test_level_config_similar_names_are_not_same ... ok
Dec 15 15:06:28.321 INFO [stdout] test log_impl::test::test_level_config_find_exact_minimal ... ok
Dec 15 15:06:28.321 INFO [stdout] test log_impl::test::test_level_config_find_exact_many ... ok
Dec 15 15:06:28.321 INFO [stdout] test log_impl::test::test_level_config_all_chars ... ok
Dec 15 15:06:28.321 INFO [stdout] test log_impl::test::test_level_config_hierarchy_correct ... ok
Dec 15 15:06:28.321 INFO [stdout] 
Dec 15 15:06:28.322 INFO [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 15:06:28.322 INFO [stdout] 
Dec 15 15:06:28.324 INFO [stderr]      Running /target/debug/deps/channel_logging-8c8246821849835b
Dec 15 15:06:28.332 INFO [stdout] 
Dec 15 15:06:28.332 INFO [stdout] running 1 test
Dec 15 15:06:28.343 INFO [stdout] test test_channel_logging ... ok
Dec 15 15:06:28.343 INFO [stdout] 
Dec 15 15:06:28.343 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 15:06:28.343 INFO [stdout] 
Dec 15 15:06:28.343 INFO [stderr]      Running /target/debug/deps/file_logging-eda33a85dda173b4
Dec 15 15:06:28.354 INFO [stdout] 
Dec 15 15:06:28.354 INFO [stdout] running 2 tests
Dec 15 15:06:28.356 INFO [stdout] [INFO] Test information message
Dec 15 15:06:28.356 INFO [stdout] [WARN] Test warning message
Dec 15 15:06:28.356 INFO [stdout] [ERROR] Test error message
Dec 15 15:06:28.356 INFO [stdout] test test_basic_logging_file_logging ... ok
Dec 15 15:06:28.356 INFO [stdout] test test_custom_line_separators ... ok
Dec 15 15:06:28.356 INFO [stdout] 
Dec 15 15:06:28.356 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 15:06:28.356 INFO [stdout] 
Dec 15 15:06:28.358 INFO [stderr]      Running /target/debug/deps/global_logging-2bb9fb89b69d6370
Dec 15 15:06:28.360 INFO [stdout] 
Dec 15 15:06:28.360 INFO [stdout] running 1 test
Dec 15 15:06:28.360 INFO [stdout] test test_global_logger ... ok
Dec 15 15:06:28.360 INFO [stdout] 
Dec 15 15:06:28.360 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 15:06:28.360 INFO [stdout] 
Dec 15 15:06:28.360 INFO [stderr]      Running /target/debug/deps/meta_logging-d1f4628f3a5057a8
Dec 15 15:06:28.361 INFO [stdout] 
Dec 15 15:06:28.361 INFO [stdout] running 0 tests
Dec 15 15:06:28.362 INFO [stdout] 
Dec 15 15:06:28.362 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 15:06:28.362 INFO [stdout] 
Dec 15 15:06:28.362 INFO [stderr]      Running /target/debug/deps/panic_logging-c9ffda70d90d44f3
Dec 15 15:06:28.375 INFO [stdout] 
Dec 15 15:06:28.375 INFO [stdout] running 3 tests
Dec 15 15:06:28.383 INFO [stdout] this should not panic
Dec 15 15:06:28.383 INFO [stdout] test double_chained_with_panics_no_info_panic ... ok
Dec 15 15:06:28.436 INFO [stdout] test test_panic_panics ... ok
Dec 15 15:06:28.436 INFO [stdout] test double_chained_with_panics_yes_error_panic ... ok
Dec 15 15:06:28.436 INFO [stdout] 
Dec 15 15:06:28.436 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 15:06:28.436 INFO [stdout] 
Dec 15 15:06:28.440 INFO [stdout] 
Dec 15 15:06:28.440 INFO [stdout] running 0 tests
Dec 15 15:06:28.440 INFO [stdout] 
Dec 15 15:06:28.440 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 15:06:28.440 INFO [stdout] 
Dec 15 15:06:28.440 INFO [stderr]      Running /target/debug/deps/support-ff65a5e234f838c3
Dec 15 15:06:28.441 INFO [stderr]      Running /target/debug/deps/write_logging-ce5156dd79ae4494
Dec 15 15:06:28.447 INFO [stdout] 
Dec 15 15:06:28.447 INFO [stdout] running 1 test
Dec 15 15:06:28.447 INFO [stdout] [INFO] Test information message
Dec 15 15:06:28.447 INFO [stdout] test test_raw_write_logging ... ok
Dec 15 15:06:28.447 INFO [stdout] 
Dec 15 15:06:28.447 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 15:06:28.447 INFO [stdout] 
Dec 15 15:06:28.447 INFO [stderr]    Doc-tests fern
Dec 15 15:06:29.688 INFO [stdout] 
Dec 15 15:06:29.688 INFO [stdout] running 30 tests
Dec 15 15:06:34.371 INFO [stdout] test src/builders.rs - builders::Dispatch::into_log (line 559) ... ok
Dec 15 15:06:35.931 INFO [stdout] test src/builders.rs - builders::Dispatch::level_for (line 247) ... ok
Dec 15 15:06:35.983 INFO [stdout] test src/builders.rs - builders::Dispatch (line 32) ... ok
Dec 15 15:06:36.023 INFO [stdout] test src/builders.rs - builders::Dispatch::into_shared (line 371) ... ok
Dec 15 15:06:36.035 INFO [stdout] test src/builders.rs - builders::Dispatch::level (line 212) ... ok
Dec 15 15:06:36.293 INFO [stdout] test src/builders.rs - builders::Dispatch::chain (line 187) ... ok
Dec 15 15:06:36.435 INFO [stdout] test src/builders.rs - builders::Dispatch::format (line 153) ... ok
Dec 15 15:06:36.670 INFO [stdout] test src/builders.rs - builders::Dispatch::filter (line 328) ... ok
Dec 15 15:06:40.853 INFO [stdout] test src/builders.rs - builders::Output::stderr (line 989) ... ok
Dec 15 15:06:40.858 INFO [stdout] test src/builders.rs - builders::Dispatch::level_for (line 264) ... ok
Dec 15 15:06:41.075 INFO [stdout] test src/builders.rs - builders::Output::file (line 872) ... ok
Dec 15 15:06:41.535 INFO [stdout] test src/builders.rs - builders::Output::call (line 1059) ... ok
Dec 15 15:06:41.651 INFO [stdout] test src/builders.rs - builders::Output::file (line 885) ... ok
Dec 15 15:06:42.355 INFO [stdout] test src/builders.rs - builders::Output::file (line 861) ... ok
Dec 15 15:06:42.808 INFO [stdout] test src/builders.rs - builders::Output::sender (line 1010) ... ok
Dec 15 15:06:44.055 INFO [stdout] test src/builders.rs - builders::Output::stderr (line 981) ... ok
Dec 15 15:06:44.911 INFO [stdout] test src/builders.rs - builders::Output::stdout (line 962) ... ok
Dec 15 15:06:45.869 INFO [stdout] test src/builders.rs - builders::Panic (line 687) ... ok
Dec 15 15:06:46.855 INFO [stdout] test src/builders.rs - builders::Output::writer (line 911) ... ok
Dec 15 15:06:46.931 INFO [stdout] test src/builders.rs - builders::Panic (line 665) ... ok
Dec 15 15:06:47.076 INFO [stdout] test src/builders.rs - builders::Output::stdout (line 954) ... ok
Dec 15 15:06:48.051 INFO [stdout] test src/builders.rs - builders::Output::writer (line 928) ... ok
Dec 15 15:06:49.598 INFO [stdout] test src/lib.rs - log_file (line 273) ... ok
Dec 15 15:06:49.659 INFO [stdout] test src/lib.rs -  (line 17) ... ok
Dec 15 15:06:49.940 INFO [stdout] test src/lib.rs -  (line 153) ... ok
Dec 15 15:06:53.099 INFO [stdout] test src/lib.rs -  (line 32) ... ok
Dec 15 15:06:53.741 INFO [stdout] test src/log_impl.rs - log_impl::FormatCallback (line 40) ... ok
Dec 15 15:06:53.783 INFO [stdout] test src/log_impl.rs - log_impl::FormatCallback<'a>::finish (line 319) ... ok
Dec 15 15:06:53.847 INFO [stdout] test src/meta.rs - meta (line 50) ... ok
Dec 15 15:06:53.927 INFO [stdout] test src/meta.rs - meta (line 6) ... ok
Dec 15 15:06:53.927 INFO [stdout] 
Dec 15 15:06:53.928 INFO [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 15:06:53.928 INFO [stdout] 
Dec 15 15:06:53.977 INFO [stderr] su: No module specific data is present
Dec 15 15:06:54.707 INFO running `"docker" "inspect" "0b1dfccfaff6fdea84c4e5eb3cf6fee3aed43fed20cf0d36b78710f70bbd4aa4"`
Dec 15 15:06:54.951 INFO running `"docker" "rm" "-f" "0b1dfccfaff6fdea84c4e5eb3cf6fee3aed43fed20cf0d36b78710f70bbd4aa4"`
Dec 15 15:06:55.211 INFO [stdout] 0b1dfccfaff6fdea84c4e5eb3cf6fee3aed43fed20cf0d36b78710f70bbd4aa4