[INFO] fetching crate duration-string 0.0.6...
[INFO] checking duration-string-0.0.6 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate duration-string 0.0.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate duration-string 0.0.6 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 duration-string 0.0.6
[INFO] finished tweaking crates.io crate duration-string 0.0.6
[INFO] tweaked toml for crates.io crate duration-string 0.0.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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" "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] d7fff1d8370f081e5219cc84d8f7c893d9c93f13c66fd372db6e6d4e04bfc29d
[INFO] running `Command { std: "docker" "start" "-a" "d7fff1d8370f081e5219cc84d8f7c893d9c93f13c66fd372db6e6d4e04bfc29d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7fff1d8370f081e5219cc84d8f7c893d9c93f13c66fd372db6e6d4e04bfc29d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7fff1d8370f081e5219cc84d8f7c893d9c93f13c66fd372db6e6d4e04bfc29d", kill_on_drop: false }`
[INFO] [stdout] d7fff1d8370f081e5219cc84d8f7c893d9c93f13c66fd372db6e6d4e04bfc29d
[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=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] 2bc6a72d2d6570c63b3d35bdb69407b127b1ec7bb455ac396eb6fdd6676e0036
[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" "2bc6a72d2d6570c63b3d35bdb69407b127b1ec7bb455ac396eb6fdd6676e0036", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking duration-string v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.62s
[INFO] running `Command { std: "docker" "inspect" "2bc6a72d2d6570c63b3d35bdb69407b127b1ec7bb455ac396eb6fdd6676e0036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bc6a72d2d6570c63b3d35bdb69407b127b1ec7bb455ac396eb6fdd6676e0036", kill_on_drop: false }`
[INFO] [stdout] 2bc6a72d2d6570c63b3d35bdb69407b127b1ec7bb455ac396eb6fdd6676e0036