[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] checking Herkulisch/Maze-Solver against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHerkulisch%2FMaze-Solver" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Herkulisch/Maze-Solver on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-4/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded adler v1.0.2 [INFO] [stderr] Downloaded miniz_oxide v0.4.4 [INFO] [stderr] Downloaded weezl v0.1.4 [INFO] [stderr] Downloaded gif v0.11.1 [INFO] [stderr] Downloaded byteorder v1.4.2 [INFO] [stderr] Downloaded png v0.16.8 [INFO] [stderr] Downloaded bytemuck v1.5.1 [INFO] [stderr] Downloaded crossbeam-utils v0.8.3 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.3 [INFO] [stderr] Downloaded image v0.23.13 [INFO] [stderr] Downloaded tiff v0.6.1 [INFO] [stderr] Downloaded jpeg-decoder v0.1.22 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] 5f08108765de5cf5c83fa98a665169da4b23c926292282ae2e0d32dd0ae73e34 [INFO] running `Command { std: "docker" "start" "-a" "5f08108765de5cf5c83fa98a665169da4b23c926292282ae2e0d32dd0ae73e34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5f08108765de5cf5c83fa98a665169da4b23c926292282ae2e0d32dd0ae73e34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f08108765de5cf5c83fa98a665169da4b23c926292282ae2e0d32dd0ae73e34", kill_on_drop: false }` [INFO] [stdout] 5f08108765de5cf5c83fa98a665169da4b23c926292282ae2e0d32dd0ae73e34 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] deddcd0bfa107f36d7dec554d3c4441b8d011bfcef89c2457eaccff14aafb7fc [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" "deddcd0bfa107f36d7dec554d3c4441b8d011bfcef89c2457eaccff14aafb7fc", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Checking weezl v0.1.4 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking bytemuck v1.5.1 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [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-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking gif v0.11.1 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking crossbeam-epoch v0.9.3 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking image v0.23.13 [INFO] [stderr] Checking 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: 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] [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 30.66s [INFO] running `Command { std: "docker" "inspect" "deddcd0bfa107f36d7dec554d3c4441b8d011bfcef89c2457eaccff14aafb7fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "deddcd0bfa107f36d7dec554d3c4441b8d011bfcef89c2457eaccff14aafb7fc", kill_on_drop: false }` [INFO] [stdout] deddcd0bfa107f36d7dec554d3c4441b8d011bfcef89c2457eaccff14aafb7fc