[INFO] crate fern 0.6.0 is already in cache
[INFO] testing fern-0.6.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate fern 0.6.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate fern 0.6.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-2/source/Cargo.toml
[INFO] crate crates.io crate fern 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8c13559216a327be981d95be481daeeac6d67e1b7a79b7fac046c4467dd53e88
[INFO] running `"docker" "start" "-a" "8c13559216a327be981d95be481daeeac6d67e1b7a79b7fac046c4467dd53e88"`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling fern v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.01s
[INFO] running `"docker" "inspect" "8c13559216a327be981d95be481daeeac6d67e1b7a79b7fac046c4467dd53e88"`
[INFO] running `"docker" "rm" "-f" "8c13559216a327be981d95be481daeeac6d67e1b7a79b7fac046c4467dd53e88"`
[INFO] [stdout] 8c13559216a327be981d95be481daeeac6d67e1b7a79b7fac046c4467dd53e88
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3bcf3665fb26f25de537d12ea7e5516df8d2afce53f0f0e0f9763c7518191fe1
[INFO] running `"docker" "start" "-a" "3bcf3665fb26f25de537d12ea7e5516df8d2afce53f0f0e0f9763c7518191fe1"`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[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 33.70s
[INFO] running `"docker" "inspect" "3bcf3665fb26f25de537d12ea7e5516df8d2afce53f0f0e0f9763c7518191fe1"`
[INFO] running `"docker" "rm" "-f" "3bcf3665fb26f25de537d12ea7e5516df8d2afce53f0f0e0f9763c7518191fe1"`
[INFO] [stdout] 3bcf3665fb26f25de537d12ea7e5516df8d2afce53f0f0e0f9763c7518191fe1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 57aa038bcd53a77b76442774d39c127c31cbcc5efc14b1730b44430a74883ca5
[INFO] running `"docker" "start" "-a" "57aa038bcd53a77b76442774d39c127c31cbcc5efc14b1730b44430a74883ca5"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fern-9010fc1f2994cc49
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test log_impl::test::test_level_config_similar_names_are_not_same ... ok
[INFO] [stdout] test log_impl::test::test_level_config_find_exact_many ... ok
[INFO] [stdout] test log_impl::test::test_level_config_simple_hierarchy ... 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_all_chars ... ok
[INFO] [stdout] test log_impl::test::test_level_config_single_colon_is_not_double_colon ... 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-51bffaa711588c36
[INFO] [stdout] 
[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] [stderr]      Running /opt/rustwide/target/debug/deps/enabled_is_deep_check-da6b67b3c8bff907
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test ensure_enabled_is_a_deep_check ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/file_logging-3d91d90d891fd21d
[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] [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/global_logging-00bcdcce7e0e8379
[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] [stderr]      Running /opt/rustwide/target/debug/deps/meta_logging-3776e6501626d6c4
[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-03aceba440045d94
[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 test_panic_panics ... ok
[INFO] [stdout] test double_chained_with_panics_yes_error_panic ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/reopen_logging-fb2f4751abc39a0d
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 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/support-328cc17fdc00c3b4
[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-afb8f766ea90992b
[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] [stderr]    Doc-tests fern
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[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::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 245) ... ok
[INFO] [stdout] test src/builders.rs - builders::Dispatch::level (line 214) ... ok
[INFO] [stdout] test src/builders.rs - builders::Dispatch::format (line 156) ... ok
[INFO] [stdout] test src/builders.rs - builders::Dispatch::into_log (line 577) ... ok
[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::level_for (line 259) ... ok
[INFO] [stdout] test src/builders.rs - builders::Output::file (line 894) ... ok
[INFO] [stdout] test src/builders.rs - builders::Output::call (line 1121) ... 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::Output::stderr (line 1052) ... 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::Panic (line 710) ... ok
[INFO] [stdout] test src/builders.rs - builders::Output::stdout (line 1026) ... ok
[INFO] [stdout] test src/lib.rs - log_file (line 257) ... ok
[INFO] [stdout] test src/builders.rs - builders::Panic (line 690) ... ok
[INFO] [stdout] test src/lib.rs -  (line 23) ... ok
[INFO] [stdout] test src/builders.rs - builders::Output::stdout (line 1019) ... 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 6) ... ok
[INFO] [stdout] test src/log_impl.rs - log_impl::FormatCallback::finish (line 458) ... ok
[INFO] [stdout] test src/meta.rs - meta (line 49) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "57aa038bcd53a77b76442774d39c127c31cbcc5efc14b1730b44430a74883ca5"`
[INFO] running `"docker" "rm" "-f" "57aa038bcd53a77b76442774d39c127c31cbcc5efc14b1730b44430a74883ca5"`
[INFO] [stdout] 57aa038bcd53a77b76442774d39c127c31cbcc5efc14b1730b44430a74883ca5