[INFO] fetching crate cityhash-rs 1.0.0...
[INFO] testing cityhash-rs-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cityhash-rs 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cityhash-rs 1.0.0 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 cityhash-rs 1.0.0
[INFO] finished tweaking crates.io crate cityhash-rs 1.0.0
[INFO] tweaked toml for crates.io crate cityhash-rs 1.0.0 written to /workspace/builds/worker-4/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] [stderr]     Blocking waiting for file lock on package cache
[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-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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dfc14fda655d22a59c48b09a22675cfc0d75e34f32b75d9b049272122b383ab2
[INFO] running `Command { std: "docker" "start" "-a" "dfc14fda655d22a59c48b09a22675cfc0d75e34f32b75d9b049272122b383ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfc14fda655d22a59c48b09a22675cfc0d75e34f32b75d9b049272122b383ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc14fda655d22a59c48b09a22675cfc0d75e34f32b75d9b049272122b383ab2", kill_on_drop: false }`
[INFO] [stdout] dfc14fda655d22a59c48b09a22675cfc0d75e34f32b75d9b049272122b383ab2
[INFO] running `Command { std: "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" "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] 27026c142fa631a2e612296d5152c473d69a5437834eb2bae6989b043d1a46c7
[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" "27026c142fa631a2e612296d5152c473d69a5437834eb2bae6989b043d1a46c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling cityhash-rs v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "27026c142fa631a2e612296d5152c473d69a5437834eb2bae6989b043d1a46c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27026c142fa631a2e612296d5152c473d69a5437834eb2bae6989b043d1a46c7", kill_on_drop: false }`
[INFO] [stdout] 27026c142fa631a2e612296d5152c473d69a5437834eb2bae6989b043d1a46c7
[INFO] running `Command { std: "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" "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] bf4c3d9a15f657c164b7c64ba20f5fc00ccb1ff7efa8deb1dbfe2441f0dd0ce4
[INFO] running `Command { std: "docker" "start" "-a" "bf4c3d9a15f657c164b7c64ba20f5fc00ccb1ff7efa8deb1dbfe2441f0dd0ce4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cityhash-rs v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "bf4c3d9a15f657c164b7c64ba20f5fc00ccb1ff7efa8deb1dbfe2441f0dd0ce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf4c3d9a15f657c164b7c64ba20f5fc00ccb1ff7efa8deb1dbfe2441f0dd0ce4", kill_on_drop: false }`
[INFO] [stdout] bf4c3d9a15f657c164b7c64ba20f5fc00ccb1ff7efa8deb1dbfe2441f0dd0ce4
[INFO] running `Command { std: "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" "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] 11355bb04b92397f2be418e6d9e6f74c10ba68ebc141eb91a91d526b2bf4587c
[INFO] running `Command { std: "docker" "start" "-a" "11355bb04b92397f2be418e6d9e6f74c10ba68ebc141eb91a91d526b2bf4587c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cityhash_rs-2f135076d410aa0d)
[INFO] [stdout] test test_103::test_standard ... ok
[INFO] [stdout] test test_102::test_standard ... ok
[INFO] [stdout] test test_110::test_standard ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cityhash-rs
[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" "11355bb04b92397f2be418e6d9e6f74c10ba68ebc141eb91a91d526b2bf4587c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11355bb04b92397f2be418e6d9e6f74c10ba68ebc141eb91a91d526b2bf4587c", kill_on_drop: false }`
[INFO] [stdout] 11355bb04b92397f2be418e6d9e6f74c10ba68ebc141eb91a91d526b2bf4587c