[INFO] cloning repository https://github.com/AirCfr/rchess [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AirCfr/rchess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAirCfr%2Frchess", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAirCfr%2Frchess'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8c09007fccd743e5c11c64fefc01ec6e642bc0f0 [INFO] checking AirCfr/rchess against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAirCfr%2Frchess" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AirCfr/rchess on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AirCfr/rchess [INFO] finished tweaking git repo https://github.com/AirCfr/rchess [INFO] tweaked toml for git repo https://github.com/AirCfr/rchess written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/AirCfr/rchess 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded termion v2.0.1 [INFO] [stderr] Downloaded libc v0.2.137 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a5b9e64b49fce14620c9c3236a5f4b88d2de38eeace914b3202f3747b9b3d6ec [INFO] running `Command { std: "docker" "start" "-a" "a5b9e64b49fce14620c9c3236a5f4b88d2de38eeace914b3202f3747b9b3d6ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a5b9e64b49fce14620c9c3236a5f4b88d2de38eeace914b3202f3747b9b3d6ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5b9e64b49fce14620c9c3236a5f4b88d2de38eeace914b3202f3747b9b3d6ec", kill_on_drop: false }` [INFO] [stdout] a5b9e64b49fce14620c9c3236a5f4b88d2de38eeace914b3202f3747b9b3d6ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 789bc7167bc9db3247cfb0477a4dd59040a853005a959f27fcb3caa84900a23d [INFO] running `Command { std: "docker" "start" "-a" "789bc7167bc9db3247cfb0477a4dd59040a853005a959f27fcb3caa84900a23d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking termion v2.0.1 [INFO] [stderr] Checking rches v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `BufWriter`, `any::Any`, `empty`, `fmt::format`, `stdin` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | fmt::format, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 3 | io::{empty, stdin, stdout, BufRead, BufReader, BufWriter, Write}, [INFO] [stdout] | ^^^^^ ^^^^^ ^^^^^^^^^ [INFO] [stdout] 4 | net::{SocketAddr, TcpListener, TcpStream}, any::Any, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufWriter`, `any::Any`, `empty`, `fmt::format`, `stdin` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | fmt::format, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 3 | io::{empty, stdin, stdout, BufRead, BufReader, BufWriter, Write}, [INFO] [stdout] | ^^^^^ ^^^^^ ^^^^^^^^^ [INFO] [stdout] 4 | net::{SocketAddr, TcpListener, TcpStream}, any::Any, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `while` condition [INFO] [stdout] --> src/main.rs:343:19 [INFO] [stdout] | [INFO] [stdout] 343 | while (s.len() > 2) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 343 - while (s.len() > 2) { [INFO] [stdout] 343 + while s.len() > 2 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:386:12 [INFO] [stdout] | [INFO] [stdout] 386 | if (p.ptype == PieceType::Empty) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 386 - if (p.ptype == PieceType::Empty) { [INFO] [stdout] 386 + if p.ptype == PieceType::Empty { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `while` condition [INFO] [stdout] --> src/main.rs:343:19 [INFO] [stdout] | [INFO] [stdout] 343 | while (s.len() > 2) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 343 - while (s.len() > 2) { [INFO] [stdout] 343 + while s.len() > 2 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:386:12 [INFO] [stdout] | [INFO] [stdout] 386 | if (p.ptype == PieceType::Empty) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 386 - if (p.ptype == PieceType::Empty) { [INFO] [stdout] 386 + if p.ptype == PieceType::Empty { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:393:28 [INFO] [stdout] | [INFO] [stdout] 393 | if (result.unwrap().can_move_to(self.size, &pos)) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 393 - if (result.unwrap().can_move_to(self.size, &pos)) { [INFO] [stdout] 393 + if result.unwrap().can_move_to(self.size, &pos) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:404:28 [INFO] [stdout] | [INFO] [stdout] 404 | if (result.unwrap().can_move_to(self.size, &pos)) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 404 - if (result.unwrap().can_move_to(self.size, &pos)) { [INFO] [stdout] 404 + if result.unwrap().can_move_to(self.size, &pos) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:393:28 [INFO] [stdout] | [INFO] [stdout] 393 | if (result.unwrap().can_move_to(self.size, &pos)) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 393 - if (result.unwrap().can_move_to(self.size, &pos)) { [INFO] [stdout] 393 + if result.unwrap().can_move_to(self.size, &pos) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:404:28 [INFO] [stdout] | [INFO] [stdout] 404 | if (result.unwrap().can_move_to(self.size, &pos)) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 404 - if (result.unwrap().can_move_to(self.size, &pos)) { [INFO] [stdout] 404 + if result.unwrap().can_move_to(self.size, &pos) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `user_input2` is never read [INFO] [stdout] --> src/main.rs:424:13 [INFO] [stdout] | [INFO] [stdout] 424 | let mut user_input2 = "".to_string(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `piece` is never read [INFO] [stdout] --> src/main.rs:425:13 [INFO] [stdout] | [INFO] [stdout] 425 | let mut piece = PieceType::Empty.to_piece(PieceColor::Empty, (9, 9)); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `is_mat`, `is_pat`, and `mat_color` are never read [INFO] [stdout] --> src/main.rs:136:5 [INFO] [stdout] | [INFO] [stdout] 133 | struct Grid { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 136 | is_mat: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 137 | is_pat: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 138 | mat_color: PieceColor, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `user_input2` is never read [INFO] [stdout] --> src/main.rs:424:13 [INFO] [stdout] | [INFO] [stdout] 424 | let mut user_input2 = "".to_string(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `piece` is never read [INFO] [stdout] --> src/main.rs:425:13 [INFO] [stdout] | [INFO] [stdout] 425 | let mut piece = PieceType::Empty.to_piece(PieceColor::Empty, (9, 9)); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `is_mat`, `is_pat`, and `mat_color` are never read [INFO] [stdout] --> src/main.rs:136:5 [INFO] [stdout] | [INFO] [stdout] 133 | struct Grid { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 136 | is_mat: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 137 | is_pat: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 138 | mat_color: PieceColor, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.64s [INFO] running `Command { std: "docker" "inspect" "789bc7167bc9db3247cfb0477a4dd59040a853005a959f27fcb3caa84900a23d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "789bc7167bc9db3247cfb0477a4dd59040a853005a959f27fcb3caa84900a23d", kill_on_drop: false }` [INFO] [stdout] 789bc7167bc9db3247cfb0477a4dd59040a853005a959f27fcb3caa84900a23d