[INFO] fetching crate safecoin-rayon-threadlimit 1.6.18...
[INFO] testing safecoin-rayon-threadlimit-1.6.18 against 1.55.0 for beta-1.56-1
[INFO] extracting crate safecoin-rayon-threadlimit 1.6.18 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate safecoin-rayon-threadlimit 1.6.18 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate safecoin-rayon-threadlimit 1.6.18
[INFO] finished tweaking crates.io crate safecoin-rayon-threadlimit 1.6.18
[INFO] tweaked toml for crates.io crate safecoin-rayon-threadlimit 1.6.18 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5788e27f9ca40a4068ec8c43353b7c6aec7f7f4cf672a88c21554742c68ee98c
[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" "5788e27f9ca40a4068ec8c43353b7c6aec7f7f4cf672a88c21554742c68ee98c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5788e27f9ca40a4068ec8c43353b7c6aec7f7f4cf672a88c21554742c68ee98c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5788e27f9ca40a4068ec8c43353b7c6aec7f7f4cf672a88c21554742c68ee98c", kill_on_drop: false }`
[INFO] [stdout] 5788e27f9ca40a4068ec8c43353b7c6aec7f7f4cf672a88c21554742c68ee98c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb8324a83f3a727fe6dc4f90d7ca95a7b977eac4bc0c1b7c51c9c29723609a3b
[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" "fb8324a83f3a727fe6dc4f90d7ca95a7b977eac4bc0c1b7c51c9c29723609a3b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling safecoin-rayon-threadlimit v1.6.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "fb8324a83f3a727fe6dc4f90d7ca95a7b977eac4bc0c1b7c51c9c29723609a3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb8324a83f3a727fe6dc4f90d7ca95a7b977eac4bc0c1b7c51c9c29723609a3b", kill_on_drop: false }`
[INFO] [stdout] fb8324a83f3a727fe6dc4f90d7ca95a7b977eac4bc0c1b7c51c9c29723609a3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31ac3c5203818ae48654153568858634cc02a5b18ccc431dbc8278413ae2391a
[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" "31ac3c5203818ae48654153568858634cc02a5b18ccc431dbc8278413ae2391a", kill_on_drop: false }`
[INFO] [stderr]    Compiling safecoin-rayon-threadlimit v1.6.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "31ac3c5203818ae48654153568858634cc02a5b18ccc431dbc8278413ae2391a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31ac3c5203818ae48654153568858634cc02a5b18ccc431dbc8278413ae2391a", kill_on_drop: false }`
[INFO] [stdout] 31ac3c5203818ae48654153568858634cc02a5b18ccc431dbc8278413ae2391a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 62dbd40287801e7b954a6d9c120a66c1281eee3eb0a31daf9ac155a269f10e73
[INFO] running `Command { std: "docker" "start" "-a" "62dbd40287801e7b954a6d9c120a66c1281eee3eb0a31daf9ac155a269f10e73", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/safecoin_rayon_threadlimit-6f720c8649a8928f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests safecoin-rayon-threadlimit
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "62dbd40287801e7b954a6d9c120a66c1281eee3eb0a31daf9ac155a269f10e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62dbd40287801e7b954a6d9c120a66c1281eee3eb0a31daf9ac155a269f10e73", kill_on_drop: false }`
[INFO] [stdout] 62dbd40287801e7b954a6d9c120a66c1281eee3eb0a31daf9ac155a269f10e73