[INFO] fetching crate tracing-appender 0.1.1...
[INFO] testing tracing-appender-0.1.1 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate tracing-appender 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tracing-appender 0.1.1 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-appender 0.1.1
[INFO] finished tweaking crates.io crate tracing-appender 0.1.1
[INFO] tweaked toml for crates.io crate tracing-appender 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16e76a80b125aea4e79a86efadfb6f188437c6ef17baffd7a23cb72d3ecf42de
[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" "16e76a80b125aea4e79a86efadfb6f188437c6ef17baffd7a23cb72d3ecf42de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16e76a80b125aea4e79a86efadfb6f188437c6ef17baffd7a23cb72d3ecf42de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16e76a80b125aea4e79a86efadfb6f188437c6ef17baffd7a23cb72d3ecf42de", kill_on_drop: false }`
[INFO] [stdout] 16e76a80b125aea4e79a86efadfb6f188437c6ef17baffd7a23cb72d3ecf42de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc73d67da0c0156ca95a5e98bf6e98cafba4ea663a2880859a64bf54eb2af13c
[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" "bc73d67da0c0156ca95a5e98bf6e98cafba4ea663a2880859a64bf54eb2af13c", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling tracing-subscriber v0.2.15
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling tracing-appender v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.12s
[INFO] running `Command { std: "docker" "inspect" "bc73d67da0c0156ca95a5e98bf6e98cafba4ea663a2880859a64bf54eb2af13c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc73d67da0c0156ca95a5e98bf6e98cafba4ea663a2880859a64bf54eb2af13c", kill_on_drop: false }`
[INFO] [stdout] bc73d67da0c0156ca95a5e98bf6e98cafba4ea663a2880859a64bf54eb2af13c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a299085f221b661a7c19275a5f95cafeec20caee299d235f1a427f2d3cd73792
[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" "a299085f221b661a7c19275a5f95cafeec20caee299d235f1a427f2d3cd73792", kill_on_drop: false }`
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling tracing-appender v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.20s
[INFO] running `Command { std: "docker" "inspect" "a299085f221b661a7c19275a5f95cafeec20caee299d235f1a427f2d3cd73792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a299085f221b661a7c19275a5f95cafeec20caee299d235f1a427f2d3cd73792", kill_on_drop: false }`
[INFO] [stdout] a299085f221b661a7c19275a5f95cafeec20caee299d235f1a427f2d3cd73792
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 04384eba14f4d879748074c0fe94c2c837e39c4a7103b8f5695559202915d0a2
[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" "04384eba14f4d879748074c0fe94c2c837e39c4a7103b8f5695559202915d0a2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tracing_appender-7e4bec92ddfdd285
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test non_blocking::test::logs_dropped_if_lossy ... ignored
[INFO] [stdout] test rolling::test::test_next_date_never ... ok
[INFO] [stdout] test rolling::test::test_next_date_hourly ... ok
[INFO] [stdout] test rolling::test::test_round_date_daily ... ok
[INFO] [stdout] test rolling::test::test_round_date_hourly ... ok
[INFO] [stdout] test rolling::test::test_round_date_minutely ... ok
[INFO] [stdout] test rolling::test::test_next_date_daily ... ok
[INFO] [stdout] test rolling::test::test_next_date_minutely ... ok
[INFO] [stdout] test rolling::test::test_join_date_never ... ok
[INFO] [stdout] test rolling::test::test_rotation_path_minutely ... ok
[INFO] [stdout] test rolling::test::test_rotation_path_hourly ... ok
[INFO] [stdout] test rolling::test::test_rotation_path_daily ... 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_never_log ... ok
[INFO] [stdout] test rolling::test::write_minutely_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 18 tests
[INFO] [stdout] test src/lib.rs - (line 46) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::Rotation (line 257) ... ok
[INFO] [stdout] test src/lib.rs - (line 98) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/non_blocking.rs - non_blocking (line 16) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::Rotation (line 265) ... ok
[INFO] [stdout] test src/rolling.rs - rolling (line 27) ... ok
[INFO] [stdout] test src/lib.rs - (line 61) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::RollingFileAppender (line 50) ... ok
[INFO] [stdout] test src/lib.rs - non_blocking (line 150) ... ok
[INFO] [stdout] test src/non_blocking.rs - non_blocking::WorkerGuard (line 90) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::Rotation (line 273) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::RollingFileAppender::new (line 82) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::hourly (line 161) ... ok
[INFO] [stdout] test src/non_blocking.rs - non_blocking (line 40) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::daily (line 197) ... 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. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "04384eba14f4d879748074c0fe94c2c837e39c4a7103b8f5695559202915d0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04384eba14f4d879748074c0fe94c2c837e39c4a7103b8f5695559202915d0a2", kill_on_drop: false }`
[INFO] [stdout] 04384eba14f4d879748074c0fe94c2c837e39c4a7103b8f5695559202915d0a2