[INFO] cloning repository https://github.com/TheRiven/mazegenerator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheRiven/mazegenerator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheRiven%2Fmazegenerator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheRiven%2Fmazegenerator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9e021d139b3ec222eae371c8cfb95033e6e5a168 [INFO] testing TheRiven/mazegenerator against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheRiven%2Fmazegenerator" "/workspace/builds/worker-69/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-69/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TheRiven/mazegenerator on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/TheRiven/mazegenerator [INFO] finished tweaking git repo https://github.com/TheRiven/mazegenerator [INFO] tweaked toml for git repo https://github.com/TheRiven/mazegenerator written to /workspace/builds/worker-69/source/Cargo.toml [INFO] crate git repo https://github.com/TheRiven/mazegenerator already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d3189e26fabb27325c03f3c038c7effde41b0beac6f756e05848bfdd98daa4d9 [INFO] running `Command { std: "docker" "start" "-a" "d3189e26fabb27325c03f3c038c7effde41b0beac6f756e05848bfdd98daa4d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d3189e26fabb27325c03f3c038c7effde41b0beac6f756e05848bfdd98daa4d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3189e26fabb27325c03f3c038c7effde41b0beac6f756e05848bfdd98daa4d9", kill_on_drop: false }` [INFO] [stdout] d3189e26fabb27325c03f3c038c7effde41b0beac6f756e05848bfdd98daa4d9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8c0f56e9ad227b93a17b902904ae99225ef23e1c6aa9ef4e67293bc6f2c1e88c [INFO] running `Command { std: "docker" "start" "-a" "8c0f56e9ad227b93a17b902904ae99225ef23e1c6aa9ef4e67293bc6f2c1e88c", kill_on_drop: false }` [INFO] [stderr] Compiling nodrop v0.1.12 [INFO] [stderr] Compiling num-traits v0.2.2 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling libc v0.2.39 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Compiling adler32 v1.0.2 [INFO] [stderr] Compiling lazy_static v1.0.0 [INFO] [stderr] Compiling either v1.4.0 [INFO] [stderr] Compiling bitflags v1.0.1 [INFO] [stderr] Compiling crossbeam-utils v0.2.2 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling deflate v0.7.17 [INFO] [stderr] Compiling inflate v0.3.4 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling crossbeam-epoch v0.3.0 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling num-integer v0.1.36 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling num-iter v0.1.35 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling png v0.11.0 [INFO] [stderr] Compiling rayon v1.0.1 [INFO] [stderr] Compiling jpeg-decoder v0.1.14 [INFO] [stderr] Compiling image v0.18.0 [INFO] [stderr] Compiling mazegenerator v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/mazebuilder/dfs.rs:86:74 [INFO] [stdout] | [INFO] [stdout] 86 | fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> ((&'a Cell, Direction)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/mazebuilder/dfs.rs:92:5 [INFO] [stdout] | [INFO] [stdout] 92 | (chosen) [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/mazebuilder/maze.rs:25:54 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn get_cell(&self, x: u32, y: u32) -> Option<(&Cell)> { [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 57.52s [INFO] running `Command { std: "docker" "inspect" "8c0f56e9ad227b93a17b902904ae99225ef23e1c6aa9ef4e67293bc6f2c1e88c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c0f56e9ad227b93a17b902904ae99225ef23e1c6aa9ef4e67293bc6f2c1e88c", kill_on_drop: false }` [INFO] [stdout] 8c0f56e9ad227b93a17b902904ae99225ef23e1c6aa9ef4e67293bc6f2c1e88c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f62f7b98b313bbf9affbc068cd920d77e53898c3378304e20a798480a0efc9bc [INFO] running `Command { std: "docker" "start" "-a" "f62f7b98b313bbf9affbc068cd920d77e53898c3378304e20a798480a0efc9bc", kill_on_drop: false }` [INFO] [stderr] Compiling mazegenerator v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/mazebuilder/dfs.rs:86:74 [INFO] [stdout] | [INFO] [stdout] 86 | fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> ((&'a Cell, Direction)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/mazebuilder/dfs.rs:92:5 [INFO] [stdout] | [INFO] [stdout] 92 | (chosen) [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/mazebuilder/maze.rs:25:54 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn get_cell(&self, x: u32, y: u32) -> Option<(&Cell)> { [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/mazebuilder/dfs.rs:86:74 [INFO] [stdout] | [INFO] [stdout] 86 | fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> ((&'a Cell, Direction)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/mazebuilder/dfs.rs:92:5 [INFO] [stdout] | [INFO] [stdout] 92 | (chosen) [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/mazebuilder/maze.rs:25:54 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn get_cell(&self, x: u32, y: u32) -> Option<(&Cell)> { [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.99s [INFO] running `Command { std: "docker" "inspect" "f62f7b98b313bbf9affbc068cd920d77e53898c3378304e20a798480a0efc9bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f62f7b98b313bbf9affbc068cd920d77e53898c3378304e20a798480a0efc9bc", kill_on_drop: false }` [INFO] [stdout] f62f7b98b313bbf9affbc068cd920d77e53898c3378304e20a798480a0efc9bc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 503cabfdf9656dfd0a8f7831cd1568ca381d8198653f5d57420a8c35560cb21e [INFO] running `Command { std: "docker" "start" "-a" "503cabfdf9656dfd0a8f7831cd1568ca381d8198653f5d57420a8c35560cb21e", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/mazebuilder/dfs.rs:86:74 [INFO] [stderr] | [INFO] [stderr] 86 | fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> ((&'a Cell, Direction)) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/mazebuilder/dfs.rs:92:5 [INFO] [stderr] | [INFO] [stderr] 92 | (chosen) [INFO] [stderr] | ^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/mazebuilder/maze.rs:25:54 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn get_cell(&self, x: u32, y: u32) -> Option<(&Cell)> { [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: `mazegenerator` (lib) generated 3 warnings [INFO] [stderr] warning: `mazegenerator` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mazegenerator-c3d8e186858b76d7) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test mazebuilder::tests::test_dfs_10_10 ... ok [INFO] [stdout] test mazebuilder::tests::test_dfs_15_23 ... ok [INFO] [stdout] test mazebuilder::tests::test_generate_maze_selector ... ok [INFO] [stdout] test mazebuilder::tests::test_kruskal_10_10 ... ok [INFO] [stdout] test mazebuilder::tests::test_kruskal_15_23 ... ok [INFO] [stdout] test mazebuilder::tests::test_dfs_100_100 ... ok [INFO] [stdout] test mazebuilder::tests::test_dfs_imperfect ... ok [INFO] [stdout] test mazebuilder::tests::test_kruskal_100_100 ... ok [INFO] [stdout] test mazebuilder::tests::test_kruskal_imperfect ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mazegenerator-12496a1f2f8f9309) [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] [stderr] Doc-tests mazegenerator [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> /opt/rustwide/workdir/src/mazebuilder/dfs.rs:86:74 [INFO] [stderr] | [INFO] [stderr] 86 | fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> ((&'a Cell, Direction)) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/workdir/src/mazebuilder/dfs.rs:92:5 [INFO] [stderr] | [INFO] [stderr] 92 | (chosen) [INFO] [stderr] | ^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> /opt/rustwide/workdir/src/mazebuilder/maze.rs:25:54 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn get_cell(&self, x: u32, y: u32) -> Option<(&Cell)> { [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [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" "503cabfdf9656dfd0a8f7831cd1568ca381d8198653f5d57420a8c35560cb21e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "503cabfdf9656dfd0a8f7831cd1568ca381d8198653f5d57420a8c35560cb21e", kill_on_drop: false }` [INFO] [stdout] 503cabfdf9656dfd0a8f7831cd1568ca381d8198653f5d57420a8c35560cb21e