[INFO] cloning repository https://github.com/KermitPurple/chess [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KermitPurple/chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKermitPurple%2Fchess", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKermitPurple%2Fchess'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1e63079d5692672ab138d58c7b1dc25f2862480a [INFO] checking KermitPurple/chess against try#5d96fa0e954d77528204a1ba3b8847ec083c779b for pr-153457 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKermitPurple%2Fchess" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/KermitPurple/chess [INFO] finished tweaking git repo https://github.com/KermitPurple/chess [INFO] tweaked toml for git repo https://github.com/KermitPurple/chess written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/KermitPurple/chess on toolchain 5d96fa0e954d77528204a1ba3b8847ec083c779b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/KermitPurple/chess already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2b578810ffe2363726e7f807c6e56aadd53b9a9bca4f23c9a797a33ee500471c [INFO] running `Command { std: "docker" "start" "-a" "2b578810ffe2363726e7f807c6e56aadd53b9a9bca4f23c9a797a33ee500471c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b578810ffe2363726e7f807c6e56aadd53b9a9bca4f23c9a797a33ee500471c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b578810ffe2363726e7f807c6e56aadd53b9a9bca4f23c9a797a33ee500471c", kill_on_drop: false }` [INFO] [stdout] 2b578810ffe2363726e7f807c6e56aadd53b9a9bca4f23c9a797a33ee500471c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 344a7dcb74b335faf39671b320715fa3e51cd26784054bd16ef47ca7f2d7d7ae [INFO] running `Command { std: "docker" "start" "-a" "344a7dcb74b335faf39671b320715fa3e51cd26784054bd16ef47ca7f2d7d7ae", kill_on_drop: false }` [INFO] [stderr] Checking chess v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type alias `Position` is never used [INFO] [stdout] --> src/main.rs:4:6 [INFO] [stdout] | [INFO] [stdout] 4 | type Position = (usize, usize); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CastleRights` is never constructed [INFO] [stdout] --> src/main.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | struct CastleRights { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Board` is never constructed [INFO] [stdout] --> src/main.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 27 | struct Board { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `test_move`, `make_move`, `in_check`, `rel_posns`, and `valid_move` are never used [INFO] [stdout] --> src/main.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 33 | impl Board { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 34 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 68 | fn test_move(&self, a: Position, b: Position) -> Self { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 74 | fn make_move(&mut self, a: Position, b: Position) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 79 | fn in_check(&self, color: Color) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 109 | fn rel_posns(self, list: &[Position], a: Position, b: Position) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 114 | fn valid_move(&self, a: Position, b: Position) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `white_left`, `white_right`, `black_left`, and `black_right` are never read [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | struct CastleRights { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 9 | white_left: bool, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 10 | white_right: bool, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 11 | black_left: bool, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 12 | black_right: bool, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CastleRights` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `castle_rights` is never read [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 27 | struct Board { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 30 | castle_rights: CastleRights, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Board` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "344a7dcb74b335faf39671b320715fa3e51cd26784054bd16ef47ca7f2d7d7ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "344a7dcb74b335faf39671b320715fa3e51cd26784054bd16ef47ca7f2d7d7ae", kill_on_drop: false }` [INFO] [stdout] 344a7dcb74b335faf39671b320715fa3e51cd26784054bd16ef47ca7f2d7d7ae