[INFO] cloning repository https://github.com/Herkulisch/Maze-Solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Herkulisch/Maze-Solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHerkulisch%2FMaze-Solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHerkulisch%2FMaze-Solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9b54eeba23c91c27d598f702456c090e51773ecb [INFO] testing Herkulisch/Maze-Solver against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHerkulisch%2FMaze-Solver" "/workspace/builds/worker-103/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-103/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Herkulisch/Maze-Solver on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Herkulisch/Maze-Solver [INFO] finished tweaking git repo https://github.com/Herkulisch/Maze-Solver [INFO] tweaked toml for git repo https://github.com/Herkulisch/Maze-Solver written to /workspace/builds/worker-103/source/Cargo.toml [INFO] crate git repo https://github.com/Herkulisch/Maze-Solver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 49d80874b14ba85ff3600a93d56831ca37e2d086a82d5935a4ce1b022d34ffde [INFO] running `Command { std: "docker" "start" "-a" "49d80874b14ba85ff3600a93d56831ca37e2d086a82d5935a4ce1b022d34ffde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "49d80874b14ba85ff3600a93d56831ca37e2d086a82d5935a4ce1b022d34ffde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49d80874b14ba85ff3600a93d56831ca37e2d086a82d5935a4ce1b022d34ffde", kill_on_drop: false }` [INFO] [stdout] 49d80874b14ba85ff3600a93d56831ca37e2d086a82d5935a4ce1b022d34ffde [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1fc5e6d350244ba7d9a1837dd183eb1665d54ddff86c8903beac40c80966e1dc [INFO] running `Command { std: "docker" "start" "-a" "1fc5e6d350244ba7d9a1837dd183eb1665d54ddff86c8903beac40c80966e1dc", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling byteorder v1.4.2 [INFO] [stderr] Compiling weezl v0.1.4 [INFO] [stderr] Compiling color_quant v1.1.0 [INFO] [stderr] Compiling bytemuck v1.5.1 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling miniz_oxide v0.3.7 [INFO] [stderr] Compiling deflate v0.8.6 [INFO] [stderr] Compiling gif v0.11.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling png v0.16.8 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.3 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling jpeg-decoder v0.1.22 [INFO] [stderr] Compiling tiff v0.6.1 [INFO] [stderr] Compiling image v0.23.13 [INFO] [stderr] Compiling maze_solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `color` [INFO] [stdout] --> src/maze.rs:287:17 [INFO] [stdout] | [INFO] [stdout] 287 | let mut color: Vec = vec!['w'; node_length]; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_color` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pi` [INFO] [stdout] --> src/maze.rs:288:17 [INFO] [stdout] | [INFO] [stdout] 288 | let mut pi: Vec> = vec![None; node_length]; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_pi` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `start_node_index` [INFO] [stdout] --> src/maze.rs:285:45 [INFO] [stdout] | [INFO] [stdout] 285 | fn dfs(graph: &Graph<([u32; 2], bool)>, start_node_index: usize) -> Option<[u32; 2]> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_node_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/maze.rs:287:13 [INFO] [stdout] | [INFO] [stdout] 287 | let mut color: Vec = vec!['w'; node_length]; [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: variable does not need to be mutable [INFO] [stdout] --> src/maze.rs:288:13 [INFO] [stdout] | [INFO] [stdout] 288 | let mut pi: Vec> = vec![None; node_length]; [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 31.27s [INFO] running `Command { std: "docker" "inspect" "1fc5e6d350244ba7d9a1837dd183eb1665d54ddff86c8903beac40c80966e1dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fc5e6d350244ba7d9a1837dd183eb1665d54ddff86c8903beac40c80966e1dc", kill_on_drop: false }` [INFO] [stdout] 1fc5e6d350244ba7d9a1837dd183eb1665d54ddff86c8903beac40c80966e1dc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 47be0d91dd2e456665ee580ed7e7b7a9ba32661c2e94140b6aee716d7c832d3e [INFO] running `Command { std: "docker" "start" "-a" "47be0d91dd2e456665ee580ed7e7b7a9ba32661c2e94140b6aee716d7c832d3e", kill_on_drop: false }` [INFO] [stderr] Compiling maze_solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `color` [INFO] [stdout] --> src/maze.rs:287:17 [INFO] [stdout] | [INFO] [stdout] 287 | let mut color: Vec = vec!['w'; node_length]; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_color` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pi` [INFO] [stdout] --> src/maze.rs:288:17 [INFO] [stdout] | [INFO] [stdout] 288 | let mut pi: Vec> = vec![None; node_length]; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_pi` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `start_node_index` [INFO] [stdout] --> src/maze.rs:285:45 [INFO] [stdout] | [INFO] [stdout] 285 | fn dfs(graph: &Graph<([u32; 2], bool)>, start_node_index: usize) -> Option<[u32; 2]> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_node_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/maze.rs:287:13 [INFO] [stdout] | [INFO] [stdout] 287 | let mut color: Vec = vec!['w'; node_length]; [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: variable does not need to be mutable [INFO] [stdout] --> src/maze.rs:288:13 [INFO] [stdout] | [INFO] [stdout] 288 | let mut pi: Vec> = vec![None; node_length]; [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.94s [INFO] running `Command { std: "docker" "inspect" "47be0d91dd2e456665ee580ed7e7b7a9ba32661c2e94140b6aee716d7c832d3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47be0d91dd2e456665ee580ed7e7b7a9ba32661c2e94140b6aee716d7c832d3e", kill_on_drop: false }` [INFO] [stdout] 47be0d91dd2e456665ee580ed7e7b7a9ba32661c2e94140b6aee716d7c832d3e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3cb192778b95f13d181e7126b9fa33b1abf6e7ea79246b9071168ab2c3f56f9f [INFO] running `Command { std: "docker" "start" "-a" "3cb192778b95f13d181e7126b9fa33b1abf6e7ea79246b9071168ab2c3f56f9f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused variable: `color` [INFO] [stderr] --> src/maze.rs:287:17 [INFO] [stderr] | [INFO] [stderr] 287 | let mut color: Vec = vec!['w'; node_length]; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_color` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pi` [INFO] [stderr] --> src/maze.rs:288:17 [INFO] [stderr] | [INFO] [stderr] 288 | let mut pi: Vec> = vec![None; node_length]; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_pi` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `start_node_index` [INFO] [stderr] --> src/maze.rs:285:45 [INFO] [stderr] | [INFO] [stderr] 285 | fn dfs(graph: &Graph<([u32; 2], bool)>, start_node_index: usize) -> Option<[u32; 2]> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_node_index` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/maze.rs:287:13 [INFO] [stderr] | [INFO] [stderr] 287 | let mut color: Vec = vec!['w'; node_length]; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/maze.rs:288:13 [INFO] [stderr] | [INFO] [stderr] 288 | let mut pi: Vec> = vec![None; node_length]; [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `maze_solver` (bin "maze_solver" test) generated 5 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.17s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/maze_solver-3ab2b32b6502ba6f) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3cb192778b95f13d181e7126b9fa33b1abf6e7ea79246b9071168ab2c3f56f9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3cb192778b95f13d181e7126b9fa33b1abf6e7ea79246b9071168ab2c3f56f9f", kill_on_drop: false }` [INFO] [stdout] 3cb192778b95f13d181e7126b9fa33b1abf6e7ea79246b9071168ab2c3f56f9f