[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#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[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 d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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] 0251866aa58cc632f3d7704c3855a2b8ac2f8a79a461084a740066b3ea187dba
[INFO] running `Command { std: "docker" "start" "-a" "0251866aa58cc632f3d7704c3855a2b8ac2f8a79a461084a740066b3ea187dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0251866aa58cc632f3d7704c3855a2b8ac2f8a79a461084a740066b3ea187dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0251866aa58cc632f3d7704c3855a2b8ac2f8a79a461084a740066b3ea187dba", kill_on_drop: false }`
[INFO] [stdout] 0251866aa58cc632f3d7704c3855a2b8ac2f8a79a461084a740066b3ea187dba
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63b03cec3e7a0aa7ef998491c454c99da8d35611d5cb6a77b4cb0f66a80a8f35
[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" "63b03cec3e7a0aa7ef998491c454c99da8d35611d5cb6a77b4cb0f66a80a8f35", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[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 42.09s
[INFO] running `Command { std: "docker" "inspect" "63b03cec3e7a0aa7ef998491c454c99da8d35611d5cb6a77b4cb0f66a80a8f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b03cec3e7a0aa7ef998491c454c99da8d35611d5cb6a77b4cb0f66a80a8f35", kill_on_drop: false }`
[INFO] [stdout] 63b03cec3e7a0aa7ef998491c454c99da8d35611d5cb6a77b4cb0f66a80a8f35