[INFO] fetching crate fast-logger 0.6.0...
[INFO] testing fast-logger-0.6.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate fast-logger 0.6.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate fast-logger 0.6.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fast-logger 0.6.0
[INFO] finished tweaking crates.io crate fast-logger 0.6.0
[INFO] tweaked toml for crates.io crate fast-logger 0.6.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4e6c79421fcca592a761ce24f0b16ad3edac1819f8ccd8c7aa81187306c6336
[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" "b4e6c79421fcca592a761ce24f0b16ad3edac1819f8ccd8c7aa81187306c6336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4e6c79421fcca592a761ce24f0b16ad3edac1819f8ccd8c7aa81187306c6336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4e6c79421fcca592a761ce24f0b16ad3edac1819f8ccd8c7aa81187306c6336", kill_on_drop: false }`
[INFO] [stdout] b4e6c79421fcca592a761ce24f0b16ad3edac1819f8ccd8c7aa81187306c6336
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c605badc011a74a84a44d45480cb5038d3168d4ee634fe16b50823434aa024d
[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" "3c605badc011a74a84a44d45480cb5038d3168d4ee634fe16b50823434aa024d", kill_on_drop: false }`
[INFO] [stderr]    Compiling fast-logger v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "3c605badc011a74a84a44d45480cb5038d3168d4ee634fe16b50823434aa024d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c605badc011a74a84a44d45480cb5038d3168d4ee634fe16b50823434aa024d", kill_on_drop: false }`
[INFO] [stdout] 3c605badc011a74a84a44d45480cb5038d3168d4ee634fe16b50823434aa024d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f69aead68f210ea8d8706e242f3c049618f20c5dd8dcd14f6be2570f2b81be00
[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" "f69aead68f210ea8d8706e242f3c049618f20c5dd8dcd14f6be2570f2b81be00", kill_on_drop: false }`
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling slog-term v2.6.0
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling fast-logger v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 27.47s
[INFO] running `Command { std: "docker" "inspect" "f69aead68f210ea8d8706e242f3c049618f20c5dd8dcd14f6be2570f2b81be00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f69aead68f210ea8d8706e242f3c049618f20c5dd8dcd14f6be2570f2b81be00", kill_on_drop: false }`
[INFO] [stdout] f69aead68f210ea8d8706e242f3c049618f20c5dd8dcd14f6be2570f2b81be00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9736c978d033a8809235655534a6da09bc7508b6d8f8049d5d7f4b3a59efa63b
[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" "9736c978d033a8809235655534a6da09bc7508b6d8f8049d5d7f4b3a59efa63b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fast_logger-07f2f0a27b6dc3bc
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] Jan 4 2021 19:56:55.531050553+0000: 000 tst: Message
[INFO] [stdout] Jan 4 2021 19:56:55.551197672+0000: 000 tst: Message
[INFO] [stdout] test tests::count_digits ... ok
[INFO] [stdout] test tests::indebug ... ok
[INFO] [stdout] test tests::custom_writer_with_generic ... ok
[INFO] [stdout] Jan 4 2021 19:56:55.582704691+0000: 128 tst: An info message
[INFO] [stdout] Jan 4 2021 19:56:55.594951953+0000: 064 tst: A warning message
[INFO] [stdout] Jan 4 2021 19:56:55.595000356+0000: 000 tst: An error message
[INFO] [stdout] Jan 4 2021 19:56:55.595032159+0000: 128 tst [1/4]: On
[INFO] [stdout] Jan 4 2021 19:56:55.595032159+0000: 128 tst [2/4]: multiple
[INFO] [stdout] Jan 4 2021 19:56:55.595032159+0000: 128 tst [3/4]: lines
[INFO] [stdout] Jan 4 2021 19:56:55.595032159+0000: 128 tst [4/4]: 
[INFO] [stdout] Jan 4 2021 19:56:55.595135266+0000: 196 logger: Unable to receive message. Exiting logger, reason=receiving on an empty and disconnected channel
[INFO] [stdout] test tests::inhex ... ok
[INFO] [stdout] test tests::colorize ... ok
[INFO] [stdout] Jan 4 2021 19:56:55.638833543+0000: 128 tst: Compatibility layer
[INFO] [stdout] test tests::custom_writer ... ok
[INFO] [stdout] test tests::debug_is_disabled_by_default ... ok
[INFO] [stdout] test tests::ensure_ending_message_when_exit_3 ... ok
[INFO] [stdout] test tests::compatibility_layer ... ok
[INFO] [stdout] Jan 4 2021 19:56:55.713895629+0000: 123 tst: lorem ipsum, dolor=sit, amet=1234
[INFO] [stdout] Jan 4 2021 19:56:55.713995236+0000: 128 tst: lorem ipsum, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.714023138+0000: 064 tst: lorem ipsum, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.714053140+0000: 000 tst: lorem ipsum, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.714079042+0000: 128 tst: lorem 1, dolor=sit
[INFO] [stdout] test tests::generic ... ok
[INFO] [stdout] Jan 4 2021 19:56:55.722849860+0000: 128 tst: Message
[INFO] [stdout] Jan 4 2021 19:56:55.742648754+0000: 000 tst: Message
[INFO] [stdout] test tests::error_is_enabled_by_default ... ok
[INFO] [stdout] test tests::send_successful_message ... ok
[INFO] [stdout] test tests::trace_is_disabled_by_default ... ok
[INFO] [stdout] Jan 4 2021 19:56:55.829590176+0000: 128 tst: Message
[INFO] [stdout] Jan 4 2021 19:56:55.838127877+0000: 128 tst: Message
[INFO] [stdout] Jan 4 2021 19:56:55.838168980+0000: 128 tst: Message argument
[INFO] [stdout] Jan 4 2021 19:56:55.838195182+0000: 128 tst: Message argument
[INFO] [stdout] Jan 4 2021 19:56:55.838218384+0000: 128 tst: Message
[INFO] [stdout] Jan 4 2021 19:56:55.838241985+0000: 128 tst: Message, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.838266787+0000: 128 tst: Message, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.838291789+0000: 128 tst: Message
[INFO] [stdout] Jan 4 2021 19:56:55.838314691+0000: 128 tst: Message, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.838338492+0000: 128 tst: Message, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.838362994+0000: 128 tst: Message argument
[INFO] [stdout] Jan 4 2021 19:56:55.838386496+0000: 128 tst: Message argument, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.838410597+0000: 128 tst: Message argument, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.838435499+0000: 128 tst: Message argument
[INFO] [stdout] Jan 4 2021 19:56:55.838459701+0000: 128 tst: Message argument, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.838484202+0000: 128 tst: Message argument, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.838508604+0000: 064 tst: Message
[INFO] [stdout] Jan 4 2021 19:56:55.838533006+0000: 064 tst: Message
[INFO] [stdout] Jan 4 2021 19:56:55.838557308+0000: 064 tst: Message argument
[INFO] [stdout] Jan 4 2021 19:56:55.838581609+0000: 064 tst: Message argument
[INFO] [stdout] Jan 4 2021 19:56:55.839074844+0000: 064 tst: Message
[INFO] [stdout] Jan 4 2021 19:56:55.839116447+0000: 064 tst: Message, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.839143949+0000: 064 tst: Message, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.839169451+0000: 064 tst: Message
[INFO] [stdout] Jan 4 2021 19:56:55.839194052+0000: 064 tst: Message, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.839219354+0000: 064 tst: Message, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.839244956+0000: 064 tst: Message argument
[INFO] [stdout] Jan 4 2021 19:56:55.839270158+0000: 064 tst: Message argument, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.839295560+0000: 064 tst: Message argument, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.839321061+0000: 064 tst: Message argument
[INFO] [stdout] Jan 4 2021 19:56:55.839347163+0000: 064 tst: Message argument, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.839373865+0000: 064 tst: Message argument, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.839399667+0000: 000 tst: Message
[INFO] [stdout] Jan 4 2021 19:56:55.839423469+0000: 000 tst: Message
[INFO] [stdout] Jan 4 2021 19:56:55.839446570+0000: 000 tst: Message argument
[INFO] [stdout] Jan 4 2021 19:56:55.839470672+0000: 000 tst: Message argument
[INFO] [stdout] Jan 4 2021 19:56:55.839496374+0000: 000 tst: Message
[INFO] [stdout] Jan 4 2021 19:56:55.839521676+0000: 000 tst: Message, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.839547177+0000: 000 tst: Message, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.839573479+0000: 000 tst: Message
[INFO] [stdout] Jan 4 2021 19:56:55.839599881+0000: 000 tst: Message, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.839625783+0000: 000 tst: Message, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.839651985+0000: 000 tst: Message argument
[INFO] [stdout] Jan 4 2021 19:56:55.839677287+0000: 000 tst: Message argument, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.839704288+0000: 000 tst: Message argument, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.839730790+0000: 000 tst: Message argument
[INFO] [stdout] Jan 4 2021 19:56:55.839756992+0000: 000 tst: Message argument, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.839783994+0000: 000 tst: Message argument, a=b
[INFO] [stdout] Jan 4 2021 19:56:55.839810096+0000: 128 tst: Message 123
[INFO] [stdout] Jan 4 2021 19:56:55.839835898+0000: 064 tst: Message 123
[INFO] [stdout] Jan 4 2021 19:56:55.839861800+0000: 000 tst: Message 123
[INFO] [stdout] Jan 4 2021 19:56:55.839888001+0000: 128 tst: Message 123
[INFO] [stdout] test tests::spawn_void ... ok
[INFO] [stdout] test tests::ensure_all_macro_variants_can_be_used ... ok
[INFO] [stdout] test tests::ensure_ending_message_when_exit_2 ... ok
[INFO] [stdout] Jan 4 2021 19:56:55.874819861+0000: 128 tst: Message
[INFO] [stdout] Jan 4 2021 19:56:55.874904667+0000: 128 tst: Message 2
[INFO] [stdout] test tests::send_simple_string ... ok
[INFO] [stderr] Jan 4 2021 19:56:55.976165098+0000: 128 test: An info message
[INFO] [stdout] Jan 4 2021 19:56:55.982833568+0000: 128 tst: Message
[INFO] [stderr] Jan 4 2021 19:56:55.976269705+0000: 064 test: A warning message
[INFO] [stdout] test tests::test_spawn_test ... ok
[INFO] [stderr] Jan 4 2021 19:56:55.976313008+0000: 000 test: An error message
[INFO] [stdout] test tests::multistuff ... ok
[INFO] [stderr] Jan 4 2021 19:56:55.976355011+0000: 196 logger: Unable to receive message. Exiting logger, reason=receiving on an empty and disconnected channel
[INFO] [stdout] Jan 4 2021 19:56:55.999354831+0000: 128 tst: Message
[INFO] [stdout] test tests::info_is_enabled_by_default ... ok
[INFO] [stdout] test tests::logpass ... ok
[INFO] [stdout] Jan 4 2021 19:56:56.052632983+0000: 128 tst: Message, value=Debug Value
[INFO] [stdout] Jan 4 2021 19:56:56.052711888+0000: 128 tst: Message, value=Debug Value
[INFO] [stdout] test tests::using_indebug ... ok
[INFO] [stdout] test tests::nested_contexts ... ok
[INFO] [stdout] Jan 4 2021 19:56:56.086855493+0000: 064 tst: Message
[INFO] [stdout] test tests::warn_is_enabled_by_default ... ok
[INFO] [stdout] test tests::ensure_proper_message_format ... ok
[INFO] [stdout] test tests::ensure_ending_message_when_exit_1 ... ok
[INFO] [stdout] test tests::ensure_proper_message_format_line_ending_with_newline ... ok
[INFO] [stdout] test tests::using_inhex ... ok
[INFO] [stdout] test tests::multiple_lines_count_correctly_trailing ... ok
[INFO] [stdout] test tests::multiple_lines_count_correctly ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fast_logger
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test lib.rs - (line 44) ... ok
[INFO] [stdout] test lib.rs - Compatibility (line 267) ... ok
[INFO] [stdout] test lib.rs - (line 221) ... ok
[INFO] [stdout] test lib.rs - (line 202) ... ok
[INFO] [stdout] test lib.rs - (line 55) ... ok
[INFO] [stdout] test lib.rs - (line 91) ... ok
[INFO] [stdout] test lib.rs - (line 128) ... ok
[INFO] [stdout] test lib.rs - (line 172) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9736c978d033a8809235655534a6da09bc7508b6d8f8049d5d7f4b3a59efa63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9736c978d033a8809235655534a6da09bc7508b6d8f8049d5d7f4b3a59efa63b", kill_on_drop: false }`
[INFO] [stdout] 9736c978d033a8809235655534a6da09bc7508b6d8f8049d5d7f4b3a59efa63b