[INFO] cloning repository https://github.com/02alexander/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/02alexander/maze-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F02alexander%2Fmaze-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F02alexander%2Fmaze-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4303321d53fdbde07fa4a170dc2621ef0f8172fb [INFO] testing 02alexander/maze-solver against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F02alexander%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/02alexander/maze-solver on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/02alexander/maze-solver [INFO] finished tweaking git repo https://github.com/02alexander/maze-solver [INFO] tweaked toml for git repo https://github.com/02alexander/maze-solver written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/02alexander/maze-solver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f1979fc1e8acf9b1e7ee01959ff821964e555d1e2f1be45e3a2c74d2c880cc45 [INFO] running `Command { std: "docker" "start" "-a" "f1979fc1e8acf9b1e7ee01959ff821964e555d1e2f1be45e3a2c74d2c880cc45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f1979fc1e8acf9b1e7ee01959ff821964e555d1e2f1be45e3a2c74d2c880cc45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1979fc1e8acf9b1e7ee01959ff821964e555d1e2f1be45e3a2c74d2c880cc45", kill_on_drop: false }` [INFO] [stdout] f1979fc1e8acf9b1e7ee01959ff821964e555d1e2f1be45e3a2c74d2c880cc45 [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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 680617fbd68d37dcf7b32c41150fe65785e95175e885c9472d4e7be967ed5e96 [INFO] running `Command { std: "docker" "start" "-a" "680617fbd68d37dcf7b32c41150fe65785e95175e885c9472d4e7be967ed5e96", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.18 [INFO] [stderr] Compiling libc v0.2.42 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Compiling flate2 v0.2.20 [INFO] [stderr] Compiling imagefmt v4.0.0 [INFO] [stderr] Compiling maze-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `read`, `write` [INFO] [stdout] --> src/main.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | use imagefmt::{read, write, ColFmt, ColType}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem::drop` [INFO] [stdout] --> src/tree.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::mem::drop; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Node` [INFO] [stdout] --> src/path_to_end.rs:3:35 [INFO] [stdout] | [INFO] [stdout] 3 | use super::tree::{QuaternaryTree, Node, Link}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | let mut cur = &mut *next.take().unwrap(); [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: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:20:2 [INFO] [stdout] | [INFO] [stdout] 20 | imagefmt::write("out.bmp", maze.width, maze.height, ColFmt::RGB, &pixels, ColType::Auto); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.41s [INFO] running `Command { std: "docker" "inspect" "680617fbd68d37dcf7b32c41150fe65785e95175e885c9472d4e7be967ed5e96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "680617fbd68d37dcf7b32c41150fe65785e95175e885c9472d4e7be967ed5e96", kill_on_drop: false }` [INFO] [stdout] 680617fbd68d37dcf7b32c41150fe65785e95175e885c9472d4e7be967ed5e96 [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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 247e2069a1e8eb82842201156b7dca371684758c6e8a410f1f37622ad69f8fdd [INFO] running `Command { std: "docker" "start" "-a" "247e2069a1e8eb82842201156b7dca371684758c6e8a410f1f37622ad69f8fdd", kill_on_drop: false }` [INFO] [stderr] Compiling maze-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `read`, `write` [INFO] [stdout] --> src/main.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | use imagefmt::{read, write, ColFmt, ColType}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem::drop` [INFO] [stdout] --> src/tree.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::mem::drop; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | let mut cur = &mut *next.take().unwrap(); [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: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:20:2 [INFO] [stdout] | [INFO] [stdout] 20 | imagefmt::write("out.bmp", maze.width, maze.height, ColFmt::RGB, &pixels, ColType::Auto); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.24s [INFO] running `Command { std: "docker" "inspect" "247e2069a1e8eb82842201156b7dca371684758c6e8a410f1f37622ad69f8fdd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "247e2069a1e8eb82842201156b7dca371684758c6e8a410f1f37622ad69f8fdd", kill_on_drop: false }` [INFO] [stdout] 247e2069a1e8eb82842201156b7dca371684758c6e8a410f1f37622ad69f8fdd [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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 40a50c9c6cbc8cba6d226fa70ad2119b9c5dc5a7fd79e7a18626cc8a5527b4da [INFO] running `Command { std: "docker" "start" "-a" "40a50c9c6cbc8cba6d226fa70ad2119b9c5dc5a7fd79e7a18626cc8a5527b4da", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `read`, `write` [INFO] [stderr] --> src/main.rs:3:16 [INFO] [stderr] | [INFO] [stderr] 3 | use imagefmt::{read, write, ColFmt, ColType}; [INFO] [stderr] | ^^^^ ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::mem::drop` [INFO] [stderr] --> src/tree.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::mem::drop; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tree.rs:41:8 [INFO] [stderr] | [INFO] [stderr] 41 | let mut cur = &mut *next.take().unwrap(); [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: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:20:2 [INFO] [stderr] | [INFO] [stderr] 20 | imagefmt::write("out.bmp", maze.width, maze.height, ColFmt::RGB, &pixels, ColType::Auto); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/maze_solver-49ec67de540a291f) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test path_to_end::test::t_path_to_end ... ok [INFO] [stdout] test maze_to_tree::test::t_maze_to_tree ... ok [INFO] [stdout] test maze::test::test_find_start ... ok [INFO] [stdout] test maze_to_tree::test::t_get_tile ... ok [INFO] [stdout] test maze::test::from ... ok [INFO] [stdout] test maze::test::test_find_end ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "40a50c9c6cbc8cba6d226fa70ad2119b9c5dc5a7fd79e7a18626cc8a5527b4da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40a50c9c6cbc8cba6d226fa70ad2119b9c5dc5a7fd79e7a18626cc8a5527b4da", kill_on_drop: false }` [INFO] [stdout] 40a50c9c6cbc8cba6d226fa70ad2119b9c5dc5a7fd79e7a18626cc8a5527b4da