[INFO] fetching crate fern 0.6.0... [INFO] testing fern-0.6.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate fern 0.6.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate fern 0.6.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-0/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fc80d7e98c1429f2bf8222ee2a7abead4346522cabe5bade701d93e7ee8583e8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fc80d7e98c1429f2bf8222ee2a7abead4346522cabe5bade701d93e7ee8583e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fc80d7e98c1429f2bf8222ee2a7abead4346522cabe5bade701d93e7ee8583e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc80d7e98c1429f2bf8222ee2a7abead4346522cabe5bade701d93e7ee8583e8", kill_on_drop: false }` [INFO] [stdout] fc80d7e98c1429f2bf8222ee2a7abead4346522cabe5bade701d93e7ee8583e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 695e12ec34e6b629e205a58f7068443f93363fd1b12cdedcce9a240c42567440 [INFO] running `Command { std: "docker" "start" "-a" "695e12ec34e6b629e205a58f7068443f93363fd1b12cdedcce9a240c42567440", kill_on_drop: false }` [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 3.56s [INFO] running `Command { std: "docker" "inspect" "695e12ec34e6b629e205a58f7068443f93363fd1b12cdedcce9a240c42567440", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "695e12ec34e6b629e205a58f7068443f93363fd1b12cdedcce9a240c42567440", kill_on_drop: false }` [INFO] [stdout] 695e12ec34e6b629e205a58f7068443f93363fd1b12cdedcce9a240c42567440 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 30a73c0006a74bd7ef745650287d374841680ac2fa97afbe6df0a68e7bfac118 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "30a73c0006a74bd7ef745650287d374841680ac2fa97afbe6df0a68e7bfac118", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling clap v2.33.0 [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 29.42s [INFO] running `Command { std: "docker" "inspect" "30a73c0006a74bd7ef745650287d374841680ac2fa97afbe6df0a68e7bfac118", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30a73c0006a74bd7ef745650287d374841680ac2fa97afbe6df0a68e7bfac118", kill_on_drop: false }` [INFO] [stdout] 30a73c0006a74bd7ef745650287d374841680ac2fa97afbe6df0a68e7bfac118 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] cf15bb08f21cdfa4572514107f20fa7e205ac96e39944fc56d6331266beba29d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "cf15bb08f21cdfa4572514107f20fa7e205ac96e39944fc56d6331266beba29d", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/fern-015b17f967f101f3) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test log_impl::test::test_level_config_find_exact_many ... ok [INFO] [stdout] test log_impl::test::test_level_config_all_chars ... ok [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] 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] [stdout] test log_impl::test::test_level_config_similar_names_are_not_same ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Running tests/channel_logging.rs (/opt/rustwide/target/debug/deps/channel_logging-8660fdf55c39360a) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running tests/enabled_is_deep_check.rs (/opt/rustwide/target/debug/deps/enabled_is_deep_check-4b0a55e44a03465e) [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 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running tests/file_logging.rs (/opt/rustwide/target/debug/deps/file_logging-d1bcaf2b4b83ccb2) [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 0.01s [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-31804f0f827565f2) [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 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running tests/meta_logging.rs (/opt/rustwide/target/debug/deps/meta_logging-bd1f524b30e73985) [INFO] [stdout] test test_global_logger ... 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 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/panic_logging.rs (/opt/rustwide/target/debug/deps/panic_logging-d68c62caa2e4f8fb) [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] [stdout] test double_chained_with_panics_yes_error_panic ... ok [INFO] [stderr] Running tests/reopen_logging.rs (/opt/rustwide/target/debug/deps/reopen_logging-ece0a0e155385174) [INFO] [stdout] test test_panic_panics ... ok [INFO] [stderr] Running tests/support.rs (/opt/rustwide/target/debug/deps/support-a40bd2efbca217bc) [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s [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-14b04586b1bed279) [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 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] [stderr] Doc-tests fern [INFO] [stdout] [INFO] [stdout] running 29 tests [INFO] [stdout] test src/builders.rs - builders::Output::file (line 904) ... ok [INFO] [stdout] test src/builders.rs - builders::Dispatch::into_shared (line 359) ... ok [INFO] [stdout] test src/builders.rs - builders::Output::file (line 894) ... ok [INFO] [stdout] test src/builders.rs - builders::Output::file (line 916) ... ok [INFO] [stdout] test src/builders.rs - builders::Dispatch (line 37) ... ok [INFO] [stdout] test src/builders.rs - builders::Output::writer (line 941) ... ok [INFO] [stdout] test src/builders.rs - builders::Output::writer (line 958) ... ok [INFO] [stdout] test src/builders.rs - builders::Panic (line 710) ... ok [INFO] [stdout] test src/builders.rs - builders::Output::call (line 1121) ... ok [INFO] [stdout] test src/builders.rs - builders::Dispatch::format (line 156) ... ok [INFO] [stdout] test src/builders.rs - builders::Dispatch::level (line 214) ... ok [INFO] [stdout] test src/builders.rs - builders::Output::stderr (line 1052) ... ok [INFO] [stdout] test src/builders.rs - builders::Dispatch::chain (line 190) ... ok [INFO] [stdout] test src/builders.rs - builders::Dispatch::filter (line 319) ... ok [INFO] [stdout] test src/builders.rs - builders::Dispatch::level_for (line 259) ... ok [INFO] [stdout] test src/builders.rs - builders::Dispatch::into_log (line 577) ... 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/lib.rs - log_file (line 257) ... ok [INFO] [stdout] test src/builders.rs - builders::Output::sender (line 1072) ... ok [INFO] [stdout] test src/lib.rs - (line 23) ... ok [INFO] [stdout] test src/builders.rs - builders::Output::stdout (line 1026) ... ok [INFO] [stdout] test src/builders.rs - builders::Output::stdout (line 1019) ... 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/meta.rs - meta (line 6) ... ok [INFO] [stdout] test src/log_impl.rs - log_impl::FormatCallback (line 47) ... ok [INFO] [stdout] test src/meta.rs - meta (line 49) ... ok [INFO] [stdout] test src/log_impl.rs - log_impl::FormatCallback::finish (line 458) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 9.11s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "cf15bb08f21cdfa4572514107f20fa7e205ac96e39944fc56d6331266beba29d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf15bb08f21cdfa4572514107f20fa7e205ac96e39944fc56d6331266beba29d", kill_on_drop: false }` [INFO] [stdout] cf15bb08f21cdfa4572514107f20fa7e205ac96e39944fc56d6331266beba29d