[INFO] cloning repository https://github.com/djmcgill/Rubble [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/djmcgill/Rubble" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjmcgill%2FRubble", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjmcgill%2FRubble'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b8c402cc473c9773d9ec832bb31f4b5d00509c31 [INFO] checking djmcgill/Rubble against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjmcgill%2FRubble" "/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/djmcgill/Rubble on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/djmcgill/Rubble [INFO] finished tweaking git repo https://github.com/djmcgill/Rubble [INFO] tweaked toml for git repo https://github.com/djmcgill/Rubble written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/djmcgill/Rubble already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cf90c32cfe554a2f18cf8d09bf3c12ccb0a11bffa797bb6f08ddb09eaeabab6f [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" "cf90c32cfe554a2f18cf8d09bf3c12ccb0a11bffa797bb6f08ddb09eaeabab6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cf90c32cfe554a2f18cf8d09bf3c12ccb0a11bffa797bb6f08ddb09eaeabab6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf90c32cfe554a2f18cf8d09bf3c12ccb0a11bffa797bb6f08ddb09eaeabab6f", kill_on_drop: false }` [INFO] [stdout] cf90c32cfe554a2f18cf8d09bf3c12ccb0a11bffa797bb6f08ddb09eaeabab6f [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=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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c9dcdf75b398b553620f6de30624e37bc3c0c939a99b42ab66837f65181eb18d [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" "c9dcdf75b398b553620f6de30624e37bc3c0c939a99b42ab66837f65181eb18d", kill_on_drop: false }` [INFO] [stderr] Checking rubble v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: constant is never used: `HAND_LIMIT` [INFO] [stdout] --> src/main.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | const HAND_LIMIT: usize = 7; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Placed` [INFO] [stdout] --> src/main.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | Placed(char), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Bonus` [INFO] [stdout] --> src/main.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | Bonus(Bonus), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `DoubleLetter` [INFO] [stdout] --> src/main.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | DoubleLetter, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `TripleLetter` [INFO] [stdout] --> src/main.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | TripleLetter, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `DoubleWord` [INFO] [stdout] --> src/main.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | DoubleWord, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `TripleWord` [INFO] [stdout] --> src/main.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | TripleWord, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `all_tiles_connected` [INFO] [stdout] --> src/main.rs:75:12 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn all_tiles_connected(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Game` [INFO] [stdout] --> src/main.rs:128:8 [INFO] [stdout] | [INFO] [stdout] 128 | struct Game { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> src/main.rs:58:27 [INFO] [stdout] | [INFO] [stdout] 58 | for row in self.0.into_iter() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 58 | for row in self.0.iter() { [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 58 - for row in self.0.into_iter() { [INFO] [stdout] 58 + for row in self.0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:162:13 [INFO] [stdout] | [INFO] [stdout] 162 | let mut board = Board([[Cell::Placed('c'); BOARD_WIDTH]; BOARD_HEIGHT]); [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: constant is never used: `HAND_LIMIT` [INFO] [stdout] --> src/main.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | const HAND_LIMIT: usize = 7; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Bonus` [INFO] [stdout] --> src/main.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | Bonus(Bonus), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `DoubleLetter` [INFO] [stdout] --> src/main.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | DoubleLetter, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `TripleLetter` [INFO] [stdout] --> src/main.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | TripleLetter, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `DoubleWord` [INFO] [stdout] --> src/main.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | DoubleWord, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `TripleWord` [INFO] [stdout] --> src/main.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | TripleWord, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Game` [INFO] [stdout] --> src/main.rs:128:8 [INFO] [stdout] | [INFO] [stdout] 128 | struct Game { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> src/main.rs:58:27 [INFO] [stdout] | [INFO] [stdout] 58 | for row in self.0.into_iter() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 58 | for row in self.0.iter() { [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 58 - for row in self.0.into_iter() { [INFO] [stdout] 58 + for row in self.0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "c9dcdf75b398b553620f6de30624e37bc3c0c939a99b42ab66837f65181eb18d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9dcdf75b398b553620f6de30624e37bc3c0c939a99b42ab66837f65181eb18d", kill_on_drop: false }` [INFO] [stdout] c9dcdf75b398b553620f6de30624e37bc3c0c939a99b42ab66837f65181eb18d