[INFO] fetching crate tracing-appender 0.1.0...
[INFO] testing tracing-appender-0.1.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate tracing-appender 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tracing-appender 0.1.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tracing-appender 0.1.0
[INFO] finished tweaking crates.io crate tracing-appender 0.1.0
[INFO] tweaked toml for crates.io crate tracing-appender 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 0fdab1c6d7926959946853919006f873a32546eda2ebb5922d33f5e8bd26291c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "0fdab1c6d7926959946853919006f873a32546eda2ebb5922d33f5e8bd26291c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling tracing-serde v0.1.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.5
[INFO] [stderr]    Compiling tracing-appender v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.86s
[INFO] running `"docker" "inspect" "0fdab1c6d7926959946853919006f873a32546eda2ebb5922d33f5e8bd26291c"`
[INFO] running `"docker" "rm" "-f" "0fdab1c6d7926959946853919006f873a32546eda2ebb5922d33f5e8bd26291c"`
[INFO] [stdout] 0fdab1c6d7926959946853919006f873a32546eda2ebb5922d33f5e8bd26291c
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "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] 36d9c1d526e1823e61a68f5f93346d37e22199242a8c836f587797316cdce29f
[INFO] running `"docker" "start" "-a" "36d9c1d526e1823e61a68f5f93346d37e22199242a8c836f587797316cdce29f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling tracing-attributes v0.1.8
[INFO] [stderr]    Compiling tracing v0.1.15
[INFO] [stderr]    Compiling tracing-appender v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 28.12s
[INFO] running `"docker" "inspect" "36d9c1d526e1823e61a68f5f93346d37e22199242a8c836f587797316cdce29f"`
[INFO] running `"docker" "rm" "-f" "36d9c1d526e1823e61a68f5f93346d37e22199242a8c836f587797316cdce29f"`
[INFO] [stdout] 36d9c1d526e1823e61a68f5f93346d37e22199242a8c836f587797316cdce29f
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "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] 459574c1f065f1738824726241312d09b1200dc0c56829e2742381f99a0e6080
[INFO] running `"docker" "start" "-a" "459574c1f065f1738824726241312d09b1200dc0c56829e2742381f99a0e6080"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tracing_appender-67d13b6c74b88ff0
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test rolling::test::test_rotation_path_daily ... ok
[INFO] [stdout] test rolling::test::write_never_log ... ok
[INFO] [stdout] test rolling::test::test_next_date_daily ... 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::write_hourly_log ... ok
[INFO] [stdout] test rolling::test::test_round_date_hourly ... ok
[INFO] [stdout] test rolling::test::write_daily_log ... ok
[INFO] [stdout] test rolling::test::test_join_date_never ... ok
[INFO] [stdout] test rolling::test::test_next_date_never ... ok
[INFO] [stdout] test non_blocking::test::logs_dropped_if_lossy ... 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. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracing-appender
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/rolling.rs - rolling (line 24) ... ok
[INFO] [stdout] test src/non_blocking.rs - non_blocking::WorkerGuard (line 90) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::Rotation (line 225) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::Rotation (line 233) ... ok
[INFO] [stdout] test src/non_blocking.rs - non_blocking (line 16) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::RollingFileAppender (line 47) ... ok
[INFO] [stdout] test src/lib.rs -  (line 98) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::Rotation (line 217) ... ok
[INFO] [stdout] test src/lib.rs -  (line 61) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::RollingFileAppender::new (line 77) ... ok
[INFO] [stdout] test src/lib.rs -  (line 28) ... ok
[INFO] [stdout] test src/non_blocking.rs - non_blocking (line 40) ... ok
[INFO] [stdout] test src/lib.rs -  (line 46) ... ok
[INFO] [stdout] test src/lib.rs - non_blocking (line 150) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::hourly (line 121) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::daily (line 157) ... ok
[INFO] [stdout] test src/rolling.rs - rolling::never (line 191) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "459574c1f065f1738824726241312d09b1200dc0c56829e2742381f99a0e6080"`
[INFO] running `"docker" "rm" "-f" "459574c1f065f1738824726241312d09b1200dc0c56829e2742381f99a0e6080"`
[INFO] [stdout] 459574c1f065f1738824726241312d09b1200dc0c56829e2742381f99a0e6080