[INFO] fetching crate fern 0.6.0... [INFO] testing fern-0.6.0 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] extracting crate fern 0.6.0 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate fern 0.6.0 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", 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-13/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ea71be36ee8adb234011225bbb1b20c18459843b8e20ccb349893b113d89b4c2 [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" "ea71be36ee8adb234011225bbb1b20c18459843b8e20ccb349893b113d89b4c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ea71be36ee8adb234011225bbb1b20c18459843b8e20ccb349893b113d89b4c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea71be36ee8adb234011225bbb1b20c18459843b8e20ccb349893b113d89b4c2", kill_on_drop: false }` [INFO] [stdout] ea71be36ee8adb234011225bbb1b20c18459843b8e20ccb349893b113d89b4c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 23fb313bc562c3f92b45f00a6b2b73ac8a2028a083afe1950dd7e4b1e9256cc2 [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" "23fb313bc562c3f92b45f00a6b2b73ac8a2028a083afe1950dd7e4b1e9256cc2", 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 3.73s [INFO] running `Command { std: "docker" "inspect" "23fb313bc562c3f92b45f00a6b2b73ac8a2028a083afe1950dd7e4b1e9256cc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23fb313bc562c3f92b45f00a6b2b73ac8a2028a083afe1950dd7e4b1e9256cc2", kill_on_drop: false }` [INFO] [stdout] 23fb313bc562c3f92b45f00a6b2b73ac8a2028a083afe1950dd7e4b1e9256cc2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 86100bd51686c3ecd969de55ec9484b7707aac6b746c761ab5bef6803a58a22c [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" "86100bd51686c3ecd969de55ec9484b7707aac6b746c761ab5bef6803a58a22c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling textwrap v0.11.0 [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 26.67s [INFO] running `Command { std: "docker" "inspect" "86100bd51686c3ecd969de55ec9484b7707aac6b746c761ab5bef6803a58a22c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86100bd51686c3ecd969de55ec9484b7707aac6b746c761ab5bef6803a58a22c", kill_on_drop: false }` [INFO] [stdout] 86100bd51686c3ecd969de55ec9484b7707aac6b746c761ab5bef6803a58a22c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b71cdae493d748f6c91370dbe9de45bb28f91d50ced0fab0b42f46a1ac8dc9bb [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" "b71cdae493d748f6c91370dbe9de45bb28f91d50ced0fab0b42f46a1ac8dc9bb", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/fern-cbe605304c3932a9 [INFO] [stdout] [INFO] [stdout] running 7 tests [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_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_single_colon_is_not_double_colon ... 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] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/channel_logging-e15dc06cc7130f69 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/enabled_is_deep_check-b9f65529fd4b27ad [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running /opt/rustwide/target/debug/deps/file_logging-e9cd8992b7fed325 [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test test_custom_line_separators ... ok [INFO] [stdout] [INFO] Test information message [INFO] [stdout] [WARN] Test warning message [INFO] [stdout] [ERROR] Test error message [INFO] [stderr] Running /opt/rustwide/target/debug/deps/global_logging-097048b7536159f5 [INFO] [stdout] test test_basic_logging_file_logging ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/meta_logging-60737d1c70fffb38 [INFO] [stdout] [INFO] [stdout] running 1 test [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 [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 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/panic_logging-8ace1f9a386a2c6b [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 /opt/rustwide/target/debug/deps/reopen_logging-57bb5704641e399c [INFO] [stdout] test double_chained_with_panics_yes_error_panic ... ok [INFO] [stdout] test test_panic_panics ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/support-0d9866f98373f7b7 [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/rustwide/target/debug/deps/write_logging-4d835bf7795ca0b0 [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] Doc-tests fern [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 [INFO] [stdout] [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::Output::file (line 916) ... ok [INFO] [stdout] test src/builders.rs - builders::Dispatch::into_shared (line 359) ... ok [INFO] [stdout] test src/builders.rs - builders::Dispatch (line 37) ... ok [INFO] [stdout] test src/builders.rs - builders::Output::file (line 894) ... ok [INFO] [stdout] test src/builders.rs - builders::Output::writer (line 958) ... ok [INFO] [stdout] test src/builders.rs - builders::Output::writer (line 941) ... ok [INFO] [stdout] test src/builders.rs - builders::Dispatch::level_for (line 259) ... ok [INFO] [stdout] test src/builders.rs - builders::Dispatch::chain (line 190) ... ok [INFO] [stdout] test src/builders.rs - builders::Panic (line 710) ... ok [INFO] [stdout] test src/builders.rs - builders::Dispatch::level (line 214) ... ok [INFO] [stdout] test src/builders.rs - builders::Dispatch::into_log (line 577) ... ok [INFO] [stdout] test src/builders.rs - builders::Panic (line 690) ... 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::stderr (line 1045) ... ok [INFO] [stdout] test src/builders.rs - builders::Dispatch::filter (line 319) ... 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_for (line 245) ... ok [INFO] [stdout] test src/lib.rs - log_file (line 257) ... ok [INFO] [stdout] test src/builders.rs - builders::Output::stderr (line 1052) ... ok [INFO] [stdout] test src/builders.rs - builders::Output::stdout (line 1019) ... ok [INFO] [stdout] test src/builders.rs - builders::Output::stdout (line 1026) ... ok [INFO] [stdout] test src/lib.rs - (line 140) ... 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] test src/meta.rs - meta (line 6) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b71cdae493d748f6c91370dbe9de45bb28f91d50ced0fab0b42f46a1ac8dc9bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b71cdae493d748f6c91370dbe9de45bb28f91d50ced0fab0b42f46a1ac8dc9bb", kill_on_drop: false }` [INFO] [stdout] b71cdae493d748f6c91370dbe9de45bb28f91d50ced0fab0b42f46a1ac8dc9bb