[INFO] fetching crate umberwm 0.0.20...
[INFO] checking umberwm-0.0.20 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate umberwm 0.0.20 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate umberwm 0.0.20 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate umberwm 0.0.20
[INFO] finished tweaking crates.io crate umberwm 0.0.20
[INFO] tweaked toml for crates.io crate umberwm 0.0.20 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate umberwm 0.0.20 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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] eaefcdc94d0be4db61a064096a02c1d30b0ce8a83db5bad09b1bff13f074594b
[INFO] running `Command { std: "docker" "start" "-a" "eaefcdc94d0be4db61a064096a02c1d30b0ce8a83db5bad09b1bff13f074594b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaefcdc94d0be4db61a064096a02c1d30b0ce8a83db5bad09b1bff13f074594b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaefcdc94d0be4db61a064096a02c1d30b0ce8a83db5bad09b1bff13f074594b", kill_on_drop: false }`
[INFO] [stdout] eaefcdc94d0be4db61a064096a02c1d30b0ce8a83db5bad09b1bff13f074594b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35fcb93f00e1a258557043696d147b20c43cc5e3781fe89cd66a42d75dd6f9f6
[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" "35fcb93f00e1a258557043696d147b20c43cc5e3781fe89cd66a42d75dd6f9f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking umberwm v0.0.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.52s
[INFO] running `Command { std: "docker" "inspect" "35fcb93f00e1a258557043696d147b20c43cc5e3781fe89cd66a42d75dd6f9f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35fcb93f00e1a258557043696d147b20c43cc5e3781fe89cd66a42d75dd6f9f6", kill_on_drop: false }`
[INFO] [stdout] 35fcb93f00e1a258557043696d147b20c43cc5e3781fe89cd66a42d75dd6f9f6