[INFO] fetching crate tracing-appender 0.2.0...
[INFO] testing tracing-appender-0.2.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate tracing-appender 0.2.0 into /workspace/builds/worker-78/source
[INFO] validating manifest of crates.io crate tracing-appender 0.2.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-appender 0.2.0
[INFO] finished tweaking crates.io crate tracing-appender 0.2.0
[INFO] tweaked toml for crates.io crate tracing-appender 0.2.0 written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64a005f4e93a5bedaaffb6e9463d44e981d5f9e1e687822a6898ab1379df1c5a
[INFO] running `Command { std: "docker" "start" "-a" "64a005f4e93a5bedaaffb6e9463d44e981d5f9e1e687822a6898ab1379df1c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64a005f4e93a5bedaaffb6e9463d44e981d5f9e1e687822a6898ab1379df1c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64a005f4e93a5bedaaffb6e9463d44e981d5f9e1e687822a6898ab1379df1c5a", kill_on_drop: false }`
[INFO] [stdout] 64a005f4e93a5bedaaffb6e9463d44e981d5f9e1e687822a6898ab1379df1c5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2788e4d43fd0ece75acf3339207cf59a99012925eefa24464a153764a7635216
[INFO] running `Command { std: "docker" "start" "-a" "2788e4d43fd0ece75acf3339207cf59a99012925eefa24464a153764a7635216", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling tracing-subscriber v0.3.2
[INFO] [stderr]    Compiling time v0.3.5
[INFO] [stderr]    Compiling tracing-appender v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.99s
[INFO] running `Command { std: "docker" "inspect" "2788e4d43fd0ece75acf3339207cf59a99012925eefa24464a153764a7635216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2788e4d43fd0ece75acf3339207cf59a99012925eefa24464a153764a7635216", kill_on_drop: false }`
[INFO] [stdout] 2788e4d43fd0ece75acf3339207cf59a99012925eefa24464a153764a7635216
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84d1a460224d6e6b25c78612c1b70688c2cf626ca4eee2f9c57ca4294d21bc65
[INFO] running `Command { std: "docker" "start" "-a" "84d1a460224d6e6b25c78612c1b70688c2cf626ca4eee2f9c57ca4294d21bc65", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling tracing-appender v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.94s
[INFO] running `Command { std: "docker" "inspect" "84d1a460224d6e6b25c78612c1b70688c2cf626ca4eee2f9c57ca4294d21bc65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84d1a460224d6e6b25c78612c1b70688c2cf626ca4eee2f9c57ca4294d21bc65", kill_on_drop: false }`
[INFO] [stdout] 84d1a460224d6e6b25c78612c1b70688c2cf626ca4eee2f9c57ca4294d21bc65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6cf4795279c5de11d64d9ddeab35e7024805b4a2f2e17eafe726ad65bc895778
[INFO] running `Command { std: "docker" "start" "-a" "6cf4795279c5de11d64d9ddeab35e7024805b4a2f2e17eafe726ad65bc895778", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tracing_appender-9270ece568061a8f)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test non_blocking::test::logs_dropped_if_lossy ... ignored
[INFO] [stdout] test rolling::test::test_path_concatination ... ok
[INFO] [stdout] test rolling::test::test_rotations ... ok
[INFO] [stdout] test rolling::test::write_daily_log ... ok
[INFO] [stdout] test rolling::test::write_hourly_log ... ok
[INFO] [stdout] test rolling::test::write_minutely_log ... ok
[INFO] [stdout] test rolling::test::write_never_log ... ok
[INFO] [stdout] test rolling::test::test_never_date_rounding - should panic ... 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. 9 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 5.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracing-appender
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/lib.rs - (line 101) ... ok
[INFO] [stdout] test src/lib.rs - (line 49) ... ok
[INFO] [stdout] test src/non_blocking.rs - non_blocking (line 16) ... ok
[INFO] [stdout] test src/lib.rs - non_blocking (line 173) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::daily (line 196) ... ok
[INFO] [stdout] test src/rolling.rs - rolling (line 27) ... ok
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::Rotation (line 264) ... ok
[INFO] [stdout] test src/non_blocking.rs - non_blocking (line 40) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::RollingFileAppender (line 49) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::minutely (line 125) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::RollingFileAppender::new (line 81) ... ok
[INFO] [stdout] test src/non_blocking.rs - non_blocking::WorkerGuard (line 90) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::never (line 230) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::Rotation (line 272) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::Rotation (line 280) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::hourly (line 160) ... ok
[INFO] [stdout] test src/lib.rs - (line 64) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::Rotation (line 256) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6cf4795279c5de11d64d9ddeab35e7024805b4a2f2e17eafe726ad65bc895778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cf4795279c5de11d64d9ddeab35e7024805b4a2f2e17eafe726ad65bc895778", kill_on_drop: false }`
[INFO] [stdout] 6cf4795279c5de11d64d9ddeab35e7024805b4a2f2e17eafe726ad65bc895778