[INFO] cloning repository https://github.com/rsilva42/grimly_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rsilva42/grimly_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frsilva42%2Fgrimly_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frsilva42%2Fgrimly_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5ab16ff8b14cf4b9fa7f86ce92e07fa5d539e8b7 [INFO] testing rsilva42/grimly_rust against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frsilva42%2Fgrimly_rust" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rsilva42/grimly_rust on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rsilva42/grimly_rust [INFO] finished tweaking git repo https://github.com/rsilva42/grimly_rust [INFO] tweaked toml for git repo https://github.com/rsilva42/grimly_rust written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/rsilva42/grimly_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "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] f91f559c8111b31fa21141dcc230ac7346174bd5bf4f48d45d61159a7b421c54 [INFO] running `Command { std: "docker" "start" "-a" "f91f559c8111b31fa21141dcc230ac7346174bd5bf4f48d45d61159a7b421c54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f91f559c8111b31fa21141dcc230ac7346174bd5bf4f48d45d61159a7b421c54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f91f559c8111b31fa21141dcc230ac7346174bd5bf4f48d45d61159a7b421c54", kill_on_drop: false }` [INFO] [stdout] f91f559c8111b31fa21141dcc230ac7346174bd5bf4f48d45d61159a7b421c54 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "build" "--frozen" "--message-format=json", 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] 74aec1c5b0dd7974c16d1d2b11a488a9b1bfa3ab0c5534fee7f1bb8773fad662 [INFO] running `Command { std: "docker" "start" "-a" "74aec1c5b0dd7974c16d1d2b11a488a9b1bfa3ab0c5534fee7f1bb8773fad662", kill_on_drop: false }` [INFO] [stderr] Compiling grimly v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `first_line` [INFO] [stdout] --> src/main.rs:20:15 [INFO] [stdout] | [INFO] [stdout] 20 | fn build_maze(first_line: String, maze: Vec) -> Maze { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_line` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `maze` [INFO] [stdout] --> src/main.rs:20:35 [INFO] [stdout] | [INFO] [stdout] 20 | fn build_maze(first_line: String, maze: Vec) -> Maze { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_maze` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `map` [INFO] [stdout] --> src/main.rs:52:10 [INFO] [stdout] | [INFO] [stdout] 52 | fn solve(map: Maze) -> Vec { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_map` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `wall` [INFO] [stdout] --> src/main.rs:6:2 [INFO] [stdout] | [INFO] [stdout] 6 | wall: char, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `empty` [INFO] [stdout] --> src/main.rs:7:2 [INFO] [stdout] | [INFO] [stdout] 7 | empty: char, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `path` [INFO] [stdout] --> src/main.rs:8:2 [INFO] [stdout] | [INFO] [stdout] 8 | path: char, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `start` [INFO] [stdout] --> src/main.rs:9:2 [INFO] [stdout] | [INFO] [stdout] 9 | start: char, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `end` [INFO] [stdout] --> src/main.rs:10:2 [INFO] [stdout] | [INFO] [stdout] 10 | end: char, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `height` [INFO] [stdout] --> src/main.rs:14:2 [INFO] [stdout] | [INFO] [stdout] 14 | height: i32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `width` [INFO] [stdout] --> src/main.rs:15:2 [INFO] [stdout] | [INFO] [stdout] 15 | width: i32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `maze` [INFO] [stdout] --> src/main.rs:16:2 [INFO] [stdout] | [INFO] [stdout] 16 | maze: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `chars` [INFO] [stdout] --> src/main.rs:17:2 [INFO] [stdout] | [INFO] [stdout] 17 | chars: Chars, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.53s [INFO] running `Command { std: "docker" "inspect" "74aec1c5b0dd7974c16d1d2b11a488a9b1bfa3ab0c5534fee7f1bb8773fad662", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74aec1c5b0dd7974c16d1d2b11a488a9b1bfa3ab0c5534fee7f1bb8773fad662", kill_on_drop: false }` [INFO] [stdout] 74aec1c5b0dd7974c16d1d2b11a488a9b1bfa3ab0c5534fee7f1bb8773fad662 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5dffbc49ecc3f53176e565fe1746114d496e4b9f414c97d3789584992266ec3c [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" "5dffbc49ecc3f53176e565fe1746114d496e4b9f414c97d3789584992266ec3c", kill_on_drop: false }` [INFO] [stderr] Compiling grimly v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `first_line` [INFO] [stdout] --> src/main.rs:20:15 [INFO] [stdout] | [INFO] [stdout] 20 | fn build_maze(first_line: String, maze: Vec) -> Maze { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_line` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `maze` [INFO] [stdout] --> src/main.rs:20:35 [INFO] [stdout] | [INFO] [stdout] 20 | fn build_maze(first_line: String, maze: Vec) -> Maze { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_maze` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `map` [INFO] [stdout] --> src/main.rs:52:10 [INFO] [stdout] | [INFO] [stdout] 52 | fn solve(map: Maze) -> Vec { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_map` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `wall` [INFO] [stdout] --> src/main.rs:6:2 [INFO] [stdout] | [INFO] [stdout] 6 | wall: char, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `empty` [INFO] [stdout] --> src/main.rs:7:2 [INFO] [stdout] | [INFO] [stdout] 7 | empty: char, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `path` [INFO] [stdout] --> src/main.rs:8:2 [INFO] [stdout] | [INFO] [stdout] 8 | path: char, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `start` [INFO] [stdout] --> src/main.rs:9:2 [INFO] [stdout] | [INFO] [stdout] 9 | start: char, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `end` [INFO] [stdout] --> src/main.rs:10:2 [INFO] [stdout] | [INFO] [stdout] 10 | end: char, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `height` [INFO] [stdout] --> src/main.rs:14:2 [INFO] [stdout] | [INFO] [stdout] 14 | height: i32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `width` [INFO] [stdout] --> src/main.rs:15:2 [INFO] [stdout] | [INFO] [stdout] 15 | width: i32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `maze` [INFO] [stdout] --> src/main.rs:16:2 [INFO] [stdout] | [INFO] [stdout] 16 | maze: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `chars` [INFO] [stdout] --> src/main.rs:17:2 [INFO] [stdout] | [INFO] [stdout] 17 | chars: Chars, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "5dffbc49ecc3f53176e565fe1746114d496e4b9f414c97d3789584992266ec3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5dffbc49ecc3f53176e565fe1746114d496e4b9f414c97d3789584992266ec3c", kill_on_drop: false }` [INFO] [stdout] 5dffbc49ecc3f53176e565fe1746114d496e4b9f414c97d3789584992266ec3c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3d4377b2fa73f86cf02bea45cb582d156c24a49f69a50f3b1c31c7e8c79bad0d [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" "3d4377b2fa73f86cf02bea45cb582d156c24a49f69a50f3b1c31c7e8c79bad0d", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `first_line` [INFO] [stderr] --> src/main.rs:20:15 [INFO] [stderr] | [INFO] [stderr] 20 | fn build_maze(first_line: String, maze: Vec) -> Maze { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_line` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `maze` [INFO] [stderr] --> src/main.rs:20:35 [INFO] [stderr] | [INFO] [stderr] 20 | fn build_maze(first_line: String, maze: Vec) -> Maze { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_maze` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `map` [INFO] [stderr] --> src/main.rs:52:10 [INFO] [stderr] | [INFO] [stderr] 52 | fn solve(map: Maze) -> Vec { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_map` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `wall` [INFO] [stderr] --> src/main.rs:6:2 [INFO] [stderr] | [INFO] [stderr] 6 | wall: char, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `empty` [INFO] [stderr] --> src/main.rs:7:2 [INFO] [stderr] | [INFO] [stderr] 7 | empty: char, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `path` [INFO] [stderr] --> src/main.rs:8:2 [INFO] [stderr] | [INFO] [stderr] 8 | path: char, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `start` [INFO] [stderr] --> src/main.rs:9:2 [INFO] [stderr] | [INFO] [stderr] 9 | start: char, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `end` [INFO] [stderr] --> src/main.rs:10:2 [INFO] [stderr] | [INFO] [stderr] 10 | end: char, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `height` [INFO] [stderr] --> src/main.rs:14:2 [INFO] [stderr] | [INFO] [stderr] 14 | height: i32, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `width` [INFO] [stderr] --> src/main.rs:15:2 [INFO] [stderr] | [INFO] [stderr] 15 | width: i32, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `maze` [INFO] [stderr] --> src/main.rs:16:2 [INFO] [stderr] | [INFO] [stderr] 16 | maze: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `chars` [INFO] [stderr] --> src/main.rs:17:2 [INFO] [stderr] | [INFO] [stderr] 17 | chars: Chars, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `grimly` (bin "grimly" test) generated 12 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/grimly-e1ebfb65a028d13a) [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" "3d4377b2fa73f86cf02bea45cb582d156c24a49f69a50f3b1c31c7e8c79bad0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d4377b2fa73f86cf02bea45cb582d156c24a49f69a50f3b1c31c7e8c79bad0d", kill_on_drop: false }` [INFO] [stdout] 3d4377b2fa73f86cf02bea45cb582d156c24a49f69a50f3b1c31c7e8c79bad0d