[INFO] cloning repository https://github.com/joe-king-sh/ubongo-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joe-king-sh/ubongo-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoe-king-sh%2Fubongo-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoe-king-sh%2Fubongo-solver'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoe-king-sh%2Fubongo-solver: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/joe-king-sh/ubongo-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joe-king-sh/ubongo-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoe-king-sh%2Fubongo-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoe-king-sh%2Fubongo-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fd3a99758226ce75600b13da29db740b8f730e8f [INFO] checking joe-king-sh/ubongo-solver against try#5e7498e6740d105521420ac0ab146e2c7a21596d for pr-138363 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoe-king-sh%2Fubongo-solver" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/joe-king-sh/ubongo-solver on toolchain 5e7498e6740d105521420ac0ab146e2c7a21596d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/joe-king-sh/ubongo-solver [INFO] finished tweaking git repo https://github.com/joe-king-sh/ubongo-solver [INFO] tweaked toml for git repo https://github.com/joe-king-sh/ubongo-solver written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/joe-king-sh/ubongo-solver 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" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3f3d02982871cfc6aeb23339db9139519cd459274794ca4f6acc19a00b774280 [INFO] running `Command { std: "docker" "start" "-a" "3f3d02982871cfc6aeb23339db9139519cd459274794ca4f6acc19a00b774280", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f3d02982871cfc6aeb23339db9139519cd459274794ca4f6acc19a00b774280", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f3d02982871cfc6aeb23339db9139519cd459274794ca4f6acc19a00b774280", kill_on_drop: false }` [INFO] [stdout] 3f3d02982871cfc6aeb23339db9139519cd459274794ca4f6acc19a00b774280 [INFO] checking joe-king-sh/ubongo-solver against try#5e7498e6740d105521420ac0ab146e2c7a21596d for pr-138363 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoe-king-sh%2Fubongo-solver" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/joe-king-sh/ubongo-solver on toolchain 5e7498e6740d105521420ac0ab146e2c7a21596d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/joe-king-sh/ubongo-solver [INFO] finished tweaking git repo https://github.com/joe-king-sh/ubongo-solver [INFO] tweaked toml for git repo https://github.com/joe-king-sh/ubongo-solver written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/joe-king-sh/ubongo-solver 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" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e88c9c5c9545833bdb3202dd6e6e864d1d7af57d2906997bc30b91300a9af7c1 [INFO] running `Command { std: "docker" "start" "-a" "e88c9c5c9545833bdb3202dd6e6e864d1d7af57d2906997bc30b91300a9af7c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e88c9c5c9545833bdb3202dd6e6e864d1d7af57d2906997bc30b91300a9af7c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e88c9c5c9545833bdb3202dd6e6e864d1d7af57d2906997bc30b91300a9af7c1", kill_on_drop: false }` [INFO] [stdout] e88c9c5c9545833bdb3202dd6e6e864d1d7af57d2906997bc30b91300a9af7c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 097b59e849b97a65944b593ea529dd517b7978ed52b6b472ed70f351f670dd65 [INFO] running `Command { std: "docker" "start" "-a" "097b59e849b97a65944b593ea529dd517b7978ed52b6b472ed70f351f670dd65", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling unicode-ident v1.0.16 [INFO] [stderr] Compiling radium v0.7.0 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Compiling thiserror v1.0.65 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking funty v2.0.0 [INFO] [stderr] Checking wyz v0.5.1 [INFO] [stderr] Checking itertools v0.12.1 [INFO] [stderr] Checking bitvec v1.0.1 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling syn v2.0.56 [INFO] [stderr] Compiling thiserror-impl v1.0.65 [INFO] [stderr] Checking ubongo-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/solver.rs:155:17 [INFO] [stdout] | [INFO] [stdout] 155 | let mut board = Board::new( [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: method `is_piece_used` is never used [INFO] [stdout] --> src/solver.rs:123:8 [INFO] [stdout] | [INFO] [stdout] 17 | impl Solver { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 123 | fn is_piece_used(&self, piece: &Piece) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/solver.rs:155:17 [INFO] [stdout] | [INFO] [stdout] 155 | let mut board = Board::new( [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: method `is_piece_used` is never used [INFO] [stdout] --> src/solver.rs:123:8 [INFO] [stdout] | [INFO] [stdout] 17 | impl Solver { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 123 | fn is_piece_used(&self, piece: &Piece) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:96:13 [INFO] [stdout] | [INFO] [stdout] 96 | let mut board = Board::new(board_width, board_height); [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: associated function `new` is never used [INFO] [stdout] --> src/main.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 13 | impl Problem { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 14 | fn new(pattern: Vec<&'static str>, num_pieces: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `pieces` is never read [INFO] [stdout] --> src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 23 | struct Solution { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 24 | pieces: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Solution` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:96:13 [INFO] [stdout] | [INFO] [stdout] 96 | let mut board = Board::new(board_width, board_height); [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: associated function `new` is never used [INFO] [stdout] --> src/main.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 13 | impl Problem { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 14 | fn new(pattern: Vec<&'static str>, num_pieces: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `pieces` is never read [INFO] [stdout] --> src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 23 | struct Solution { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 24 | pieces: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Solution` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.83s [INFO] running `Command { std: "docker" "inspect" "097b59e849b97a65944b593ea529dd517b7978ed52b6b472ed70f351f670dd65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "097b59e849b97a65944b593ea529dd517b7978ed52b6b472ed70f351f670dd65", kill_on_drop: false }` [INFO] [stdout] 097b59e849b97a65944b593ea529dd517b7978ed52b6b472ed70f351f670dd65