[INFO] fetching crate yaml-merge-keys 0.4.1...
[INFO] checking yaml-merge-keys-0.4.1 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate yaml-merge-keys 0.4.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate yaml-merge-keys 0.4.1 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yaml-merge-keys 0.4.1
[INFO] finished tweaking crates.io crate yaml-merge-keys 0.4.1
[INFO] tweaked toml for crates.io crate yaml-merge-keys 0.4.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49eb1cf745d4d8570e13ea8099b4f06ae7ba5bdcae247346bed249b1780b6d05
[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" "49eb1cf745d4d8570e13ea8099b4f06ae7ba5bdcae247346bed249b1780b6d05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49eb1cf745d4d8570e13ea8099b4f06ae7ba5bdcae247346bed249b1780b6d05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49eb1cf745d4d8570e13ea8099b4f06ae7ba5bdcae247346bed249b1780b6d05", kill_on_drop: false }`
[INFO] [stdout] 49eb1cf745d4d8570e13ea8099b4f06ae7ba5bdcae247346bed249b1780b6d05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--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] 181f0e121e76e6bb3eb10ccb63be00d4bf12df28f30ff4d879e4068e7e399aa8
[INFO] running `Command { std: "docker" "start" "-a" "181f0e121e76e6bb3eb10ccb63be00d4bf12df28f30ff4d879e4068e7e399aa8", kill_on_drop: false }`
[INFO] [stderr]     Checking yaml-merge-keys v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "181f0e121e76e6bb3eb10ccb63be00d4bf12df28f30ff4d879e4068e7e399aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "181f0e121e76e6bb3eb10ccb63be00d4bf12df28f30ff4d879e4068e7e399aa8", kill_on_drop: false }`
[INFO] [stdout] 181f0e121e76e6bb3eb10ccb63be00d4bf12df28f30ff4d879e4068e7e399aa8