[INFO] fetching crate tracing-appender 0.1.2...
[INFO] testing tracing-appender-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tracing-appender 0.1.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate tracing-appender 0.1.2 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 tracing-appender 0.1.2
[INFO] finished tweaking crates.io crate tracing-appender 0.1.2
[INFO] tweaked toml for crates.io crate tracing-appender 0.1.2 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] bc2829cd7481c1bdea58350d31e2429d39844bf8a0172b5d349988d7c4689de0
[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" "bc2829cd7481c1bdea58350d31e2429d39844bf8a0172b5d349988d7c4689de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc2829cd7481c1bdea58350d31e2429d39844bf8a0172b5d349988d7c4689de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc2829cd7481c1bdea58350d31e2429d39844bf8a0172b5d349988d7c4689de0", kill_on_drop: false }`
[INFO] [stdout] bc2829cd7481c1bdea58350d31e2429d39844bf8a0172b5d349988d7c4689de0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 7b89097f1ff955ba312f780e0bdedbd5db2adcedc64a1fd8e2152108e4e7c680
[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" "7b89097f1ff955ba312f780e0bdedbd5db2adcedc64a1fd8e2152108e4e7c680", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.15
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling tracing-appender v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.90s
[INFO] running `Command { std: "docker" "inspect" "7b89097f1ff955ba312f780e0bdedbd5db2adcedc64a1fd8e2152108e4e7c680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b89097f1ff955ba312f780e0bdedbd5db2adcedc64a1fd8e2152108e4e7c680", kill_on_drop: false }`
[INFO] [stdout] 7b89097f1ff955ba312f780e0bdedbd5db2adcedc64a1fd8e2152108e4e7c680
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] a05e1109f2768b3f686c0b0db19e324ebf6ee541cf81a6d03530b632315e8b91
[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" "a05e1109f2768b3f686c0b0db19e324ebf6ee541cf81a6d03530b632315e8b91", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling tracing-appender v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 27.03s
[INFO] running `Command { std: "docker" "inspect" "a05e1109f2768b3f686c0b0db19e324ebf6ee541cf81a6d03530b632315e8b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a05e1109f2768b3f686c0b0db19e324ebf6ee541cf81a6d03530b632315e8b91", kill_on_drop: false }`
[INFO] [stdout] a05e1109f2768b3f686c0b0db19e324ebf6ee541cf81a6d03530b632315e8b91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] aa9a96b9d91a5fee357d88f76403724e7b27c141723329bceb24ec82d567fd00
[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" "aa9a96b9d91a5fee357d88f76403724e7b27c141723329bceb24ec82d567fd00", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tracing_appender-67a1c03298d6dae4
[INFO] [stdout] running 18 tests
[INFO] [stdout] test non_blocking::test::logs_dropped_if_lossy ... ignored
[INFO] [stdout] test rolling::test::test_round_date_daily ... ok
[INFO] [stdout] test rolling::test::test_next_date_daily ... ok
[INFO] [stdout] test rolling::test::test_next_date_never ... ok
[INFO] [stdout] test rolling::test::test_round_date_hourly ... ok
[INFO] [stdout] test rolling::test::test_next_date_hourly ... ok
[INFO] [stdout] test rolling::test::test_round_date_minutely ... ok
[INFO] [stdout] test rolling::test::test_join_date_never ... ok
[INFO] [stdout] test rolling::test::test_next_date_minutely ... ok
[INFO] [stdout] test rolling::test::test_rotation_path_hourly ... ok
[INFO] [stdout] test rolling::test::test_rotation_path_minutely ... ok
[INFO] [stdout] test rolling::test::test_rotation_path_daily ... ok
[INFO] [stdout] test rolling::test::write_minutely_log ... ok
[INFO] [stdout] test rolling::test::write_hourly_log ... ok
[INFO] [stdout] test rolling::test::write_never_log ... ok
[INFO] [stdout] test rolling::test::write_daily_log ... ok
[INFO] [stdout] test non_blocking::test::backpressure_exerted ... ok
[INFO] [stdout] test non_blocking::test::multi_threaded_writes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracing-appender
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/rolling.rs - rolling::RollingFileAppender (line 50) ... ok
[INFO] [stdout] test src/lib.rs - (line 101) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::Rotation (line 273) ... ok
[INFO] [stdout] test src/lib.rs - (line 64) ... ok
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::Rotation (line 265) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::RollingFileAppender::new (line 82) ... ok
[INFO] [stdout] test src/rolling.rs - rolling (line 27) ... ok
[INFO] [stdout] test src/lib.rs - (line 49) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::daily (line 197) ... ok
[INFO] [stdout] test src/non_blocking.rs - non_blocking (line 40) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::Rotation (line 257) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::Rotation (line 281) ... ok
[INFO] [stdout] test src/lib.rs - non_blocking (line 173) ... ok
[INFO] [stdout] test src/non_blocking.rs - non_blocking (line 16) ... ok
[INFO] [stdout] test src/non_blocking.rs - non_blocking::WorkerGuard (line 90) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::hourly (line 161) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::minutely (line 126) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::never (line 231) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa9a96b9d91a5fee357d88f76403724e7b27c141723329bceb24ec82d567fd00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa9a96b9d91a5fee357d88f76403724e7b27c141723329bceb24ec82d567fd00", kill_on_drop: false }`
[INFO] [stdout] aa9a96b9d91a5fee357d88f76403724e7b27c141723329bceb24ec82d567fd00