[INFO] fetching crate robust 0.2.3...
[INFO] checking robust-0.2.3 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate robust 0.2.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate robust 0.2.3 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate robust 0.2.3
[INFO] finished tweaking crates.io crate robust 0.2.3
[INFO] tweaked toml for crates.io crate robust 0.2.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate robust 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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] 9861a46e7c966edcc19cf1009ed041d19f1ae3cb0a409e0b3137704c1d5b82c5
[INFO] running `Command { std: "docker" "start" "-a" "9861a46e7c966edcc19cf1009ed041d19f1ae3cb0a409e0b3137704c1d5b82c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9861a46e7c966edcc19cf1009ed041d19f1ae3cb0a409e0b3137704c1d5b82c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9861a46e7c966edcc19cf1009ed041d19f1ae3cb0a409e0b3137704c1d5b82c5", kill_on_drop: false }`
[INFO] [stdout] 9861a46e7c966edcc19cf1009ed041d19f1ae3cb0a409e0b3137704c1d5b82c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da241de30b4ee2298a3b2a01d0916a3bf4335ebe8401fd6cc087e8f12e4c66a7
[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" "da241de30b4ee2298a3b2a01d0916a3bf4335ebe8401fd6cc087e8f12e4c66a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking robust v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]     Checking float_extras v0.1.6
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.46s
[INFO] running `Command { std: "docker" "inspect" "da241de30b4ee2298a3b2a01d0916a3bf4335ebe8401fd6cc087e8f12e4c66a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da241de30b4ee2298a3b2a01d0916a3bf4335ebe8401fd6cc087e8f12e4c66a7", kill_on_drop: false }`
[INFO] [stdout] da241de30b4ee2298a3b2a01d0916a3bf4335ebe8401fd6cc087e8f12e4c66a7