[INFO] cloning repository https://github.com/Suibeom/SudokuThings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Suibeom/SudokuThings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuibeom%2FSudokuThings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuibeom%2FSudokuThings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3a948f7d9eb5a5b6c2932bcf1bad74b7be26c078 [INFO] checking Suibeom/SudokuThings against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuibeom%2FSudokuThings" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Suibeom/SudokuThings on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Suibeom/SudokuThings [INFO] finished tweaking git repo https://github.com/Suibeom/SudokuThings [INFO] tweaked toml for git repo https://github.com/Suibeom/SudokuThings written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/Suibeom/SudokuThings already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e2329be43a1b599e74446d39db1edc0ad25e6022740520705629a1bedcdd187a [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" "e2329be43a1b599e74446d39db1edc0ad25e6022740520705629a1bedcdd187a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e2329be43a1b599e74446d39db1edc0ad25e6022740520705629a1bedcdd187a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2329be43a1b599e74446d39db1edc0ad25e6022740520705629a1bedcdd187a", kill_on_drop: false }` [INFO] [stdout] e2329be43a1b599e74446d39db1edc0ad25e6022740520705629a1bedcdd187a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 112681fc4aaba8d98c3b23d51675d4f8da22fb3765f4944ef5f2cb5bde544aa8 [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" "112681fc4aaba8d98c3b23d51675d4f8da22fb3765f4944ef5f2cb5bde544aa8", kill_on_drop: false }` [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking tracing v0.1.19 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Checking tokio v0.2.22 [INFO] [stderr] Checking pin-project v0.4.23 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking serde v1.0.115 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking h2 v0.2.6 [INFO] [stderr] Checking serde_json v1.0.57 [INFO] [stderr] Checking hyper v0.13.7 [INFO] [stderr] Checking sudokuthings v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `get_box_index` [INFO] [stdout] --> src/board.rs:108:4 [INFO] [stdout] | [INFO] [stdout] 108 | fn get_box_index(idx: usize) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pencil_out` [INFO] [stdout] --> src/board.rs:138:8 [INFO] [stdout] | [INFO] [stdout] 138 | fn pencil_out(&self, idx: usize, pencilmarks: &HashSet) -> Board { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `place` [INFO] [stdout] --> src/board.rs:155:8 [INFO] [stdout] | [INFO] [stdout] 155 | fn place(&self, idx: usize, digit: u8) -> Board { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `place_derived_pencilmarks` [INFO] [stdout] --> src/board.rs:427:4 [INFO] [stdout] | [INFO] [stdout] 427 | fn place_derived_pencilmarks(board: Board, current_box: &SudokuBox) -> Board { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `resolve_subset_pencilmarks` [INFO] [stdout] --> src/board.rs:507:4 [INFO] [stdout] | [INFO] [stdout] 507 | fn resolve_subset_pencilmarks(board: Board, current_box: &SudokuBox) -> Board { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `hello_world` [INFO] [stdout] --> src/server.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 7 | async fn hello_world(_req: Request) -> Result, Infallible> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_box_index` [INFO] [stdout] --> src/board.rs:108:4 [INFO] [stdout] | [INFO] [stdout] 108 | fn get_box_index(idx: usize) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pencil_out` [INFO] [stdout] --> src/board.rs:138:8 [INFO] [stdout] | [INFO] [stdout] 138 | fn pencil_out(&self, idx: usize, pencilmarks: &HashSet) -> Board { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `place` [INFO] [stdout] --> src/board.rs:155:8 [INFO] [stdout] | [INFO] [stdout] 155 | fn place(&self, idx: usize, digit: u8) -> Board { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `place_derived_pencilmarks` [INFO] [stdout] --> src/board.rs:427:4 [INFO] [stdout] | [INFO] [stdout] 427 | fn place_derived_pencilmarks(board: Board, current_box: &SudokuBox) -> Board { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `resolve_subset_pencilmarks` [INFO] [stdout] --> src/board.rs:507:4 [INFO] [stdout] | [INFO] [stdout] 507 | fn resolve_subset_pencilmarks(board: Board, current_box: &SudokuBox) -> Board { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `hello_world` [INFO] [stdout] --> src/server.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 7 | async fn hello_world(_req: Request) -> Result, Infallible> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 01s [INFO] running `Command { std: "docker" "inspect" "112681fc4aaba8d98c3b23d51675d4f8da22fb3765f4944ef5f2cb5bde544aa8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "112681fc4aaba8d98c3b23d51675d4f8da22fb3765f4944ef5f2cb5bde544aa8", kill_on_drop: false }` [INFO] [stdout] 112681fc4aaba8d98c3b23d51675d4f8da22fb3765f4944ef5f2cb5bde544aa8