[INFO] cloning repository https://github.com/StephenWakely/checker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/StephenWakely/checker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStephenWakely%2Fchecker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStephenWakely%2Fchecker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4845b3cbfdd633b2630e42edbaf94387e5fdffea
[INFO] testing StephenWakely/checker against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStephenWakely%2Fchecker" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/StephenWakely/checker 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 git repo https://github.com/StephenWakely/checker
[INFO] finished tweaking git repo https://github.com/StephenWakely/checker
[INFO] tweaked toml for git repo https://github.com/StephenWakely/checker written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/StephenWakely/checker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 9eed5289c8f0fe7a6881e91b468f67bc0a84c481850336c4b35f19478f5dc5a1
[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" "9eed5289c8f0fe7a6881e91b468f67bc0a84c481850336c4b35f19478f5dc5a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9eed5289c8f0fe7a6881e91b468f67bc0a84c481850336c4b35f19478f5dc5a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eed5289c8f0fe7a6881e91b468f67bc0a84c481850336c4b35f19478f5dc5a1", kill_on_drop: false }`
[INFO] [stdout] 9eed5289c8f0fe7a6881e91b468f67bc0a84c481850336c4b35f19478f5dc5a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2723ec31ce7ce3072ec098f1d6829fdce55f5a60fb3dd2369d70586726e4851d
[INFO] running `Command { std: "docker" "start" "-a" "2723ec31ce7ce3072ec098f1d6829fdce55f5a60fb3dd2369d70586726e4851d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling cookie v0.15.0
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling actix-utils v3.0.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling actix-service v2.0.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling actix-router v0.2.7
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling local-channel v0.1.2
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling actix-rt v2.2.0
[INFO] [stderr]    Compiling actix-codec v0.4.0
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling actix-server v2.0.0-beta.5
[INFO] [stderr]    Compiling actix-tls v3.0.0-beta.5
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling actix-http v3.0.0-beta.6
[INFO] [stderr]    Compiling actix-web v4.0.0-beta.6
[INFO] [stderr]    Compiling checker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "2723ec31ce7ce3072ec098f1d6829fdce55f5a60fb3dd2369d70586726e4851d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2723ec31ce7ce3072ec098f1d6829fdce55f5a60fb3dd2369d70586726e4851d", kill_on_drop: false }`
[INFO] [stdout] 2723ec31ce7ce3072ec098f1d6829fdce55f5a60fb3dd2369d70586726e4851d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8b6e4b1fa7dd72ac22777e6c3e56e5971e18d6ad64d04a5929ee6b12df6e1818
[INFO] running `Command { std: "docker" "start" "-a" "8b6e4b1fa7dd72ac22777e6c3e56e5971e18d6ad64d04a5929ee6b12df6e1818", kill_on_drop: false }`
[INFO] [stderr]    Compiling checker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "8b6e4b1fa7dd72ac22777e6c3e56e5971e18d6ad64d04a5929ee6b12df6e1818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b6e4b1fa7dd72ac22777e6c3e56e5971e18d6ad64d04a5929ee6b12df6e1818", kill_on_drop: false }`
[INFO] [stdout] 8b6e4b1fa7dd72ac22777e6c3e56e5971e18d6ad64d04a5929ee6b12df6e1818
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] e2b8aeaad4b6a671b7a91c044a1e2061c326a02b1d0a87f6b9056b6f05d34892
[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" "e2b8aeaad4b6a671b7a91c044a1e2061c326a02b1d0a87f6b9056b6f05d34892", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/checker-ff3991ba9779c5ac)
[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" "e2b8aeaad4b6a671b7a91c044a1e2061c326a02b1d0a87f6b9056b6f05d34892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2b8aeaad4b6a671b7a91c044a1e2061c326a02b1d0a87f6b9056b6f05d34892", kill_on_drop: false }`
[INFO] [stdout] e2b8aeaad4b6a671b7a91c044a1e2061c326a02b1d0a87f6b9056b6f05d34892