[INFO] cloning repository https://github.com/soruh/graph_sliding_puzzle_solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/soruh/graph_sliding_puzzle_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoruh%2Fgraph_sliding_puzzle_solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoruh%2Fgraph_sliding_puzzle_solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e16883f67af3720698f82567063d8ee017b22ca8
[INFO] checking soruh/graph_sliding_puzzle_solver against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoruh%2Fgraph_sliding_puzzle_solver" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/soruh/graph_sliding_puzzle_solver on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/soruh/graph_sliding_puzzle_solver
[INFO] finished tweaking git repo https://github.com/soruh/graph_sliding_puzzle_solver
[INFO] tweaked toml for git repo https://github.com/soruh/graph_sliding_puzzle_solver written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/soruh/graph_sliding_puzzle_solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pathfinding v2.0.3
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 802073568a2dd77ddc67a1ceb6ca7c1a1b70623ca354208ee978b55615a55a15
[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" "802073568a2dd77ddc67a1ceb6ca7c1a1b70623ca354208ee978b55615a55a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "802073568a2dd77ddc67a1ceb6ca7c1a1b70623ca354208ee978b55615a55a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "802073568a2dd77ddc67a1ceb6ca7c1a1b70623ca354208ee978b55615a55a15", kill_on_drop: false }`
[INFO] [stdout] 802073568a2dd77ddc67a1ceb6ca7c1a1b70623ca354208ee978b55615a55a15
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aac37f81628c2dcf7c4c1551ce305a19e735a8ab84176bb8496c87f94dd8f94e
[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" "aac37f81628c2dcf7c4c1551ce305a19e735a8ab84176bb8496c87f94dd8f94e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking pathfinding v2.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking graph_slide_puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.16s
[INFO] running `Command { std: "docker" "inspect" "aac37f81628c2dcf7c4c1551ce305a19e735a8ab84176bb8496c87f94dd8f94e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aac37f81628c2dcf7c4c1551ce305a19e735a8ab84176bb8496c87f94dd8f94e", kill_on_drop: false }`
[INFO] [stdout] aac37f81628c2dcf7c4c1551ce305a19e735a8ab84176bb8496c87f94dd8f94e