[INFO] fetching crate fern 0.6.0... [INFO] testing fern-0.6.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] extracting crate fern 0.6.0 into /workspace/builds/worker-15/source [INFO] validating manifest of crates.io crate fern 0.6.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate fern 0.6.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate fern 0.6.0 [INFO] tweaked toml for crates.io crate fern 0.6.0 written to /workspace/builds/worker-15/source/Cargo.toml [INFO] crate crates.io crate fern 0.6.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0583e85c4bffafeee6ee47357240baa2e491f27a001e6221050da34c3f7d9d37 [INFO] running `Command { std: "docker" "start" "-a" "0583e85c4bffafeee6ee47357240baa2e491f27a001e6221050da34c3f7d9d37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0583e85c4bffafeee6ee47357240baa2e491f27a001e6221050da34c3f7d9d37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0583e85c4bffafeee6ee47357240baa2e491f27a001e6221050da34c3f7d9d37", kill_on_drop: false }` [INFO] [stdout] 0583e85c4bffafeee6ee47357240baa2e491f27a001e6221050da34c3f7d9d37 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 66140783b4a5d843e4465bed29603a3b5156e4257e55475e11136a5500e8e395 [INFO] running `Command { std: "docker" "start" "-a" "66140783b4a5d843e4465bed29603a3b5156e4257e55475e11136a5500e8e395", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling fern v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.83s [INFO] running `Command { std: "docker" "inspect" "66140783b4a5d843e4465bed29603a3b5156e4257e55475e11136a5500e8e395", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66140783b4a5d843e4465bed29603a3b5156e4257e55475e11136a5500e8e395", kill_on_drop: false }` [INFO] [stdout] 66140783b4a5d843e4465bed29603a3b5156e4257e55475e11136a5500e8e395 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd9cb6bcb4ac4f39ccd98e72ee7f548551d2d7638dd2280e410a7fc4d412070c [INFO] running `Command { std: "docker" "start" "-a" "bd9cb6bcb4ac4f39ccd98e72ee7f548551d2d7638dd2280e410a7fc4d412070c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling chrono v0.4.11 [INFO] [stderr] Compiling fern v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 14.54s [INFO] running `Command { std: "docker" "inspect" "bd9cb6bcb4ac4f39ccd98e72ee7f548551d2d7638dd2280e410a7fc4d412070c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd9cb6bcb4ac4f39ccd98e72ee7f548551d2d7638dd2280e410a7fc4d412070c", kill_on_drop: false }` [INFO] [stdout] bd9cb6bcb4ac4f39ccd98e72ee7f548551d2d7638dd2280e410a7fc4d412070c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b99847d999602bba797778b11e0aa6b08fdaed30154c152e3627ea6d26accaba [INFO] running `Command { std: "docker" "start" "-a" "b99847d999602bba797778b11e0aa6b08fdaed30154c152e3627ea6d26accaba", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stdout] running 7 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/fern-6c6e44736876353f) [INFO] [stdout] test log_impl::test::test_level_config_all_chars ... ok [INFO] [stdout] test log_impl::test::test_level_config_find_exact_many ... ok [INFO] [stdout] test log_impl::test::test_level_config_similar_names_are_not_same ... ok [INFO] [stdout] test log_impl::test::test_level_config_simple_hierarchy ... ok [INFO] [stdout] test log_impl::test::test_level_config_single_colon_is_not_double_colon ... ok [INFO] [stderr] Running tests/channel_logging.rs (/opt/rustwide/target/debug/deps/channel_logging-849d5bb39e73ed15) [INFO] [stdout] test log_impl::test::test_level_config_find_exact_minimal ... ok [INFO] [stdout] test log_impl::test::test_level_config_hierarchy_correct ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/enabled_is_deep_check.rs (/opt/rustwide/target/debug/deps/enabled_is_deep_check-7edef795408deb3a) [INFO] [stdout] [INFO] [stderr] Running tests/file_logging.rs (/opt/rustwide/target/debug/deps/file_logging-952e30bf047eaae2) [INFO] [stdout] running 1 test [INFO] [stdout] test test_channel_logging ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test ensure_enabled_is_a_deep_check ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] [INFO] Test information message [INFO] [stdout] [WARN] Test warning message [INFO] [stdout] [ERROR] Test error message [INFO] [stdout] test test_basic_logging_file_logging ... ok [INFO] [stderr] Running tests/global_logging.rs (/opt/rustwide/target/debug/deps/global_logging-8db4b01ceb17fc0c) [INFO] [stdout] test test_custom_line_separators ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running tests/meta_logging.rs (/opt/rustwide/target/debug/deps/meta_logging-11784c2c22f0a850) [INFO] [stdout] test test_global_logger ... ok [INFO] [stderr] Running tests/panic_logging.rs (/opt/rustwide/target/debug/deps/panic_logging-b9f05328b29e5362) [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [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; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] this should not panic [INFO] [stdout] test double_chained_with_panics_no_info_panic ... ok [INFO] [stderr] Running tests/reopen_logging.rs (/opt/rustwide/target/debug/deps/reopen_logging-c056352d735a1860) [INFO] [stdout] test double_chained_with_panics_yes_error_panic - should panic ... ok [INFO] [stderr] Running tests/support.rs (/opt/rustwide/target/debug/deps/support-13efda4a119cc92e) [INFO] [stdout] test test_panic_panics - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [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; finished in 0.00s [INFO] [stdout] [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/write_logging.rs (/opt/rustwide/target/debug/deps/write_logging-43976b33004bf1ab) [INFO] [stdout] [INFO] [stderr] Doc-tests fern [INFO] [stdout] running 1 test [INFO] [stdout] [INFO] Test information message [INFO] [stdout] test test_raw_write_logging ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 29 tests [INFO] [stdout] test src/lib.rs - log_file (line 257) - compile ... ok [INFO] [stdout] test src/builders.rs - builders::Output::file (line 904) - compile ... ok [INFO] [stdout] test src/builders.rs - builders::Dispatch::into_shared (line 359) - compile ... ok [INFO] [stdout] test src/builders.rs - builders::Output::file (line 894) - compile ... ok [INFO] [stdout] test src/builders.rs - builders::Panic (line 710) - compile ... ok [INFO] [stdout] test src/lib.rs - (line 23) - compile ... ok [INFO] [stdout] test src/builders.rs - builders::Dispatch (line 37) - compile ... ok [INFO] [stdout] test src/builders.rs - builders::Output::writer (line 958) - compile ... ok [INFO] [stdout] test src/builders.rs - builders::Output::file (line 916) - compile ... ok [INFO] [stdout] test src/builders.rs - builders::Output::writer (line 941) - compile ... ok [INFO] [stdout] test src/builders.rs - builders::Output::call (line 1121) ... ok [INFO] [stdout] test src/meta.rs - meta (line 6) ... ok [INFO] [stdout] test src/builders.rs - builders::Output::stdout (line 1019) ... ok [INFO] [stdout] test src/builders.rs - builders::Dispatch::chain (line 190) ... ok [INFO] [stdout] test src/builders.rs - builders::Dispatch::level_for (line 259) ... ok [INFO] [stdout] test src/builders.rs - builders::Dispatch::level (line 214) ... ok [INFO] [stdout] test src/log_impl.rs - log_impl::FormatCallback::finish (line 458) ... ok [INFO] [stdout] test src/builders.rs - builders::Output::stderr (line 1052) ... ok [INFO] [stdout] test src/meta.rs - meta (line 49) ... ok [INFO] [stdout] test src/builders.rs - builders::Dispatch::into_log (line 577) ... ok [INFO] [stdout] test src/builders.rs - builders::Dispatch::format (line 156) ... ok [INFO] [stdout] test src/builders.rs - builders::Dispatch::filter (line 319) ... ok [INFO] [stdout] test src/builders.rs - builders::Panic (line 690) ... ok [INFO] [stdout] test src/lib.rs - (line 140) ... ok [INFO] [stdout] test src/builders.rs - builders::Dispatch::level_for (line 245) ... ok [INFO] [stdout] test src/builders.rs - builders::Output::stderr (line 1045) ... ok [INFO] [stdout] test src/builders.rs - builders::Output::sender (line 1072) ... ok [INFO] [stdout] test src/builders.rs - builders::Output::stdout (line 1026) ... ok [INFO] [stdout] test src/log_impl.rs - log_impl::FormatCallback (line 47) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.84s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b99847d999602bba797778b11e0aa6b08fdaed30154c152e3627ea6d26accaba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b99847d999602bba797778b11e0aa6b08fdaed30154c152e3627ea6d26accaba", kill_on_drop: false }` [INFO] [stdout] b99847d999602bba797778b11e0aa6b08fdaed30154c152e3627ea6d26accaba