[INFO] cloning repository https://github.com/ifhito/-15-piece-puzzle-with-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ifhito/-15-piece-puzzle-with-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fifhito%2F-15-piece-puzzle-with-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fifhito%2F-15-piece-puzzle-with-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28d15871fe02c570da4b67d8d62db3a66778d2cf
[INFO] checking ifhito/-15-piece-puzzle-with-Rust against master#f7b43542838f0a4a6cfdb17fbeadf45002042a77 for pr-138499
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fifhito%2F-15-piece-puzzle-with-Rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ifhito/-15-piece-puzzle-with-Rust on toolchain f7b43542838f0a4a6cfdb17fbeadf45002042a77
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ifhito/-15-piece-puzzle-with-Rust
[INFO] finished tweaking git repo https://github.com/ifhito/-15-piece-puzzle-with-Rust
[INFO] tweaked toml for git repo https://github.com/ifhito/-15-piece-puzzle-with-Rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ifhito/-15-piece-puzzle-with-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d52362f00e3521e7a388eabb8f3a6c0de72efacf73aaf9b614f4bac6f8ede203
[INFO] running `Command { std: "docker" "start" "-a" "d52362f00e3521e7a388eabb8f3a6c0de72efacf73aaf9b614f4bac6f8ede203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d52362f00e3521e7a388eabb8f3a6c0de72efacf73aaf9b614f4bac6f8ede203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d52362f00e3521e7a388eabb8f3a6c0de72efacf73aaf9b614f4bac6f8ede203", kill_on_drop: false }`
[INFO] [stdout] d52362f00e3521e7a388eabb8f3a6c0de72efacf73aaf9b614f4bac6f8ede203
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7a44fd4b31dace0639b6ca795e80af0dadc25458fc6d54df47b6a643e7b49c5
[INFO] running `Command { std: "docker" "start" "-a" "e7a44fd4b31dace0639b6ca795e80af0dadc25458fc6d54df47b6a643e7b49c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking hello_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "e7a44fd4b31dace0639b6ca795e80af0dadc25458fc6d54df47b6a643e7b49c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7a44fd4b31dace0639b6ca795e80af0dadc25458fc6d54df47b6a643e7b49c5", kill_on_drop: false }`
[INFO] [stdout] e7a44fd4b31dace0639b6ca795e80af0dadc25458fc6d54df47b6a643e7b49c5