[INFO] fetching crate rust-15-puzzle-cli 0.2.0...
[INFO] checking rust-15-puzzle-cli-0.2.0 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate rust-15-puzzle-cli 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rust-15-puzzle-cli 0.2.0 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 rust-15-puzzle-cli 0.2.0
[INFO] finished tweaking crates.io crate rust-15-puzzle-cli 0.2.0
[INFO] tweaked toml for crates.io crate rust-15-puzzle-cli 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate rust-15-puzzle-cli 0.2.0 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] 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" "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] a756e8529186c08823d669ab5d8bd06dedbbd0ede82cfebe2534669a08c2e558
[INFO] running `Command { std: "docker" "start" "-a" "a756e8529186c08823d669ab5d8bd06dedbbd0ede82cfebe2534669a08c2e558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a756e8529186c08823d669ab5d8bd06dedbbd0ede82cfebe2534669a08c2e558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a756e8529186c08823d669ab5d8bd06dedbbd0ede82cfebe2534669a08c2e558", kill_on_drop: false }`
[INFO] [stdout] a756e8529186c08823d669ab5d8bd06dedbbd0ede82cfebe2534669a08c2e558
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fca43da84bacab779aecee40ed17d0c455dc21a960dffd6ebfce9574dc0d3705
[INFO] running `Command { std: "docker" "start" "-a" "fca43da84bacab779aecee40ed17d0c455dc21a960dffd6ebfce9574dc0d3705", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tui v0.9.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rust-15-puzzle-cli v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.63s
[INFO] running `Command { std: "docker" "inspect" "fca43da84bacab779aecee40ed17d0c455dc21a960dffd6ebfce9574dc0d3705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fca43da84bacab779aecee40ed17d0c455dc21a960dffd6ebfce9574dc0d3705", kill_on_drop: false }`
[INFO] [stdout] fca43da84bacab779aecee40ed17d0c455dc21a960dffd6ebfce9574dc0d3705