[INFO] fetching crate simple_logger 1.6.0...
[INFO] testing simple_logger-1.6.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate simple_logger 1.6.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate simple_logger 1.6.0 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 simple_logger 1.6.0
[INFO] finished tweaking crates.io crate simple_logger 1.6.0
[INFO] tweaked toml for crates.io crate simple_logger 1.6.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate simple_logger 1.6.0 already has a lockfile, it will not be regenerated
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d7bf7f156f351fc447e47f8b8e0ad4c900230400a39d5ee50a87a3aa4edfb133
[INFO] running `"docker" "start" "-a" "d7bf7f156f351fc447e47f8b8e0ad4c900230400a39d5ee50a87a3aa4edfb133"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling colored v1.9.2
[INFO] [stderr]    Compiling simple_logger v1.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `"docker" "inspect" "d7bf7f156f351fc447e47f8b8e0ad4c900230400a39d5ee50a87a3aa4edfb133"`
[INFO] running `"docker" "rm" "-f" "d7bf7f156f351fc447e47f8b8e0ad4c900230400a39d5ee50a87a3aa4edfb133"`
[INFO] [stdout] d7bf7f156f351fc447e47f8b8e0ad4c900230400a39d5ee50a87a3aa4edfb133
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 2c84ef27cbd8099a616f5e04036362e69bd617ae8d511ea6668ee73421c6c0f1
[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" "2c84ef27cbd8099a616f5e04036362e69bd617ae8d511ea6668ee73421c6c0f1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling simple_logger v1.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "2c84ef27cbd8099a616f5e04036362e69bd617ae8d511ea6668ee73421c6c0f1"`
[INFO] running `"docker" "rm" "-f" "2c84ef27cbd8099a616f5e04036362e69bd617ae8d511ea6668ee73421c6c0f1"`
[INFO] [stdout] 2c84ef27cbd8099a616f5e04036362e69bd617ae8d511ea6668ee73421c6c0f1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 30f65c3fcd6645b851158b9fd3a1f7a97ad50e9ea36346f86117ed2d67dfc770
[INFO] running `"docker" "start" "-a" "30f65c3fcd6645b851158b9fd3a1f7a97ad50e9ea36346f86117ed2d67dfc770"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple_logger-bc70b3973f507fe9
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simple_logger
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - init (line 128) ... ok
[INFO] [stdout] test src/lib.rs - init_by_env (line 145) ... ok
[INFO] [stdout] test src/lib.rs - init_with_level (line 104) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "30f65c3fcd6645b851158b9fd3a1f7a97ad50e9ea36346f86117ed2d67dfc770"`
[INFO] running `"docker" "rm" "-f" "30f65c3fcd6645b851158b9fd3a1f7a97ad50e9ea36346f86117ed2d67dfc770"`
[INFO] [stdout] 30f65c3fcd6645b851158b9fd3a1f7a97ad50e9ea36346f86117ed2d67dfc770