[INFO] cloning repository https://github.com/mpgarate/rust-fifteen-puzzle [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mpgarate/rust-fifteen-puzzle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmpgarate%2Frust-fifteen-puzzle", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmpgarate%2Frust-fifteen-puzzle'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ecc1c4e0f50d6d7197aac0e18cc619f2fff226db [INFO] checking mpgarate/rust-fifteen-puzzle against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmpgarate%2Frust-fifteen-puzzle" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mpgarate/rust-fifteen-puzzle on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mpgarate/rust-fifteen-puzzle [INFO] finished tweaking git repo https://github.com/mpgarate/rust-fifteen-puzzle [INFO] tweaked toml for git repo https://github.com/mpgarate/rust-fifteen-puzzle written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/mpgarate/rust-fifteen-puzzle already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/passcod/cargo-watch` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 012180f6515d35aec64c4807afa10a638c4c2face1754105c284009e06c40fc0 [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" "012180f6515d35aec64c4807afa10a638c4c2face1754105c284009e06c40fc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "012180f6515d35aec64c4807afa10a638c4c2face1754105c284009e06c40fc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "012180f6515d35aec64c4807afa10a638c4c2face1754105c284009e06c40fc0", kill_on_drop: false }` [INFO] [stdout] 012180f6515d35aec64c4807afa10a638c4c2face1754105c284009e06c40fc0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b2ef7d8055d4f45509f1d96eca6f088f06421d5f4361a35a32b3f69c5f5bcd11 [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" "b2ef7d8055d4f45509f1d96eca6f088f06421d5f4361a35a32b3f69c5f5bcd11", kill_on_drop: false }` [INFO] [stderr] Checking fifteen_puzzle v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/solver.rs:128:8 [INFO] [stdout] | [INFO] [stdout] 128 | if (depth > 100000) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/solver.rs:75:46 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn depth_limited_dfs(state: SolverState, mut depth: u64) -> Option> { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `depth_limited_dfs` [INFO] [stdout] --> src/solver.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn depth_limited_dfs(state: SolverState, mut depth: u64) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `solve_idfs` [INFO] [stdout] --> src/solver.rs:118:8 [INFO] [stdout] | [INFO] [stdout] 118 | pub fn solve_idfs(state: GameState) -> Option> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/solver.rs:128:8 [INFO] [stdout] | [INFO] [stdout] 128 | if (depth > 100000) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/solver.rs:75:46 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn depth_limited_dfs(state: SolverState, mut depth: u64) -> Option> { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `Command { std: "docker" "inspect" "b2ef7d8055d4f45509f1d96eca6f088f06421d5f4361a35a32b3f69c5f5bcd11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2ef7d8055d4f45509f1d96eca6f088f06421d5f4361a35a32b3f69c5f5bcd11", kill_on_drop: false }` [INFO] [stdout] b2ef7d8055d4f45509f1d96eca6f088f06421d5f4361a35a32b3f69c5f5bcd11