[INFO] fetching crate umberwm 0.0.18...
[INFO] checking umberwm-0.0.18 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate umberwm 0.0.18 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate umberwm 0.0.18 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate umberwm 0.0.18
[INFO] finished tweaking crates.io crate umberwm 0.0.18
[INFO] tweaked toml for crates.io crate umberwm 0.0.18 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate umberwm 0.0.18 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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] f5f9db407dcabcd5b608c7677a796dfb4d3015cae3776b1f2a8e378dff050909
[INFO] running `Command { std: "docker" "start" "-a" "f5f9db407dcabcd5b608c7677a796dfb4d3015cae3776b1f2a8e378dff050909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5f9db407dcabcd5b608c7677a796dfb4d3015cae3776b1f2a8e378dff050909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f9db407dcabcd5b608c7677a796dfb4d3015cae3776b1f2a8e378dff050909", kill_on_drop: false }`
[INFO] [stdout] f5f9db407dcabcd5b608c7677a796dfb4d3015cae3776b1f2a8e378dff050909
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8570044dc86fe71daab85dea5ffec4d61ef3f2bc43edf20db6241b873c9c5c86
[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" "8570044dc86fe71daab85dea5ffec4d61ef3f2bc43edf20db6241b873c9c5c86", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking umberwm v0.0.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.22s
[INFO] running `Command { std: "docker" "inspect" "8570044dc86fe71daab85dea5ffec4d61ef3f2bc43edf20db6241b873c9c5c86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8570044dc86fe71daab85dea5ffec4d61ef3f2bc43edf20db6241b873c9c5c86", kill_on_drop: false }`
[INFO] [stdout] 8570044dc86fe71daab85dea5ffec4d61ef3f2bc43edf20db6241b873c9c5c86