[INFO] cloning repository https://github.com/inda20plusplus/gestsson-chess [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/inda20plusplus/gestsson-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finda20plusplus%2Fgestsson-chess", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finda20plusplus%2Fgestsson-chess'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 315e0260c05873cc1a55efb93930836700a13373 [INFO] testing inda20plusplus/gestsson-chess against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finda20plusplus%2Fgestsson-chess" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/inda20plusplus/gestsson-chess on toolchain b70888601af92f6cdc0364abab3446e418b91d36 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/inda20plusplus/gestsson-chess [INFO] finished tweaking git repo https://github.com/inda20plusplus/gestsson-chess [INFO] tweaked toml for git repo https://github.com/inda20plusplus/gestsson-chess written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/inda20plusplus/gestsson-chess already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 933f11e76e2623f8e6f3f2c04954429125d7e6492ac2022efa8f1c07051e7ca0 [INFO] running `Command { std: "docker" "start" "-a" "933f11e76e2623f8e6f3f2c04954429125d7e6492ac2022efa8f1c07051e7ca0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "933f11e76e2623f8e6f3f2c04954429125d7e6492ac2022efa8f1c07051e7ca0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "933f11e76e2623f8e6f3f2c04954429125d7e6492ac2022efa8f1c07051e7ca0", kill_on_drop: false }` [INFO] [stdout] 933f11e76e2623f8e6f3f2c04954429125d7e6492ac2022efa8f1c07051e7ca0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 674d9673fb287fe002ec01967ffe4a6ad1ed83be4c3744a34ab40349032d7dd8 [INFO] running `Command { std: "docker" "start" "-a" "674d9673fb287fe002ec01967ffe4a6ad1ed83be4c3744a34ab40349032d7dd8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Compiling khronos_api v3.1.0 [INFO] [stderr] Compiling cc v1.0.60 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling proc-macro2 v1.0.21 [INFO] [stderr] Compiling libloading v0.6.3 [INFO] [stderr] Compiling linked-hash-map v0.5.3 [INFO] [stderr] Compiling syn v1.0.41 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling gimli v0.22.0 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Compiling object v0.20.0 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling pulldown-cmark v0.2.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.9 [INFO] [stderr] Compiling nix v0.15.0 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Compiling xi-unicode v0.2.1 [INFO] [stderr] Compiling bytecount v0.4.0 [INFO] [stderr] Compiling uuid v0.8.1 [INFO] [stderr] Compiling claxon v0.4.3 [INFO] [stderr] Compiling chess_engine v0.1.0 (/opt/rustwide/workdir/chess_engine) [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stdout] warning: unused import: `std::mem::replace` [INFO] [stdout] --> chess_engine/src/lib.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::mem::replace; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling miniz_oxide v0.4.2 [INFO] [stdout] warning: unused variable: `pos` [INFO] [stdout] --> chess_engine/src/lib.rs:232:52 [INFO] [stdout] | [INFO] [stdout] 232 | let pieces = self.enumerate_pieces(|piece, pos| piece.team != team); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_pos` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `point` [INFO] [stdout] --> chess_engine/src/lib.rs:334:39 [INFO] [stdout] | [INFO] [stdout] 334 | self.enumerate_pieces(|piece, point| piece.team == self.current_player) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_point` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `point` [INFO] [stdout] --> chess_engine/src/lib.rs:338:39 [INFO] [stdout] | [INFO] [stdout] 338 | self.enumerate_pieces(|piece, point| piece.necessity) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_point` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> chess_engine/src/lib.rs:342:40 [INFO] [stdout] | [INFO] [stdout] 342 | self.enumerate_pieces(|piece, (x, y)| piece.team != self.current_player) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> chess_engine/src/lib.rs:342:43 [INFO] [stdout] | [INFO] [stdout] 342 | self.enumerate_pieces(|piece, (x, y)| piece.team != self.current_player) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `only_lethal` [INFO] [stdout] --> chess_engine/src/pieces/moves.rs:123:61 [INFO] [stdout] | [INFO] [stdout] 123 | pub fn pawn_moves(piece: &Piece, pos: Point, board: &Board, only_lethal: bool) -> MoveCollection { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_only_lethal` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `point` [INFO] [stdout] --> chess_engine/src/pieces/moves.rs:164:52 [INFO] [stdout] | [INFO] [stdout] 164 | for rook in board.enumerate_pieces(|piece, point| { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_point` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `only_lethal` [INFO] [stdout] --> chess_engine/src/pieces/moves.rs:196:61 [INFO] [stdout] | [INFO] [stdout] 196 | pub fn rook_moves(piece: &Piece, pos: Point, board: &Board, only_lethal: bool) -> MoveCollection { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_only_lethal` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `only_lethal` [INFO] [stdout] --> chess_engine/src/pieces/moves.rs:208:63 [INFO] [stdout] | [INFO] [stdout] 208 | pub fn bishop_moves(piece: &Piece, pos: Point, board: &Board, only_lethal: bool) -> MoveCollection { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_only_lethal` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `only_lethal` [INFO] [stdout] --> chess_engine/src/pieces/moves.rs:219:62 [INFO] [stdout] | [INFO] [stdout] 219 | pub fn queen_moves(piece: &Piece, pos: Point, board: &Board, only_lethal: bool) -> MoveCollection { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_only_lethal` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `only_lethal` [INFO] [stdout] --> chess_engine/src/pieces/moves.rs:234:63 [INFO] [stdout] | [INFO] [stdout] 234 | pub fn knight_moves(piece: &Piece, pos: Point, board: &Board, only_lethal: bool) -> MoveCollection { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_only_lethal` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> chess_engine/src/chess_move.rs:52:27 [INFO] [stdout] | [INFO] [stdout] 52 | fn perform(&mut self, mut tiles: &mut BoardCollection) { [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: variable does not need to be mutable [INFO] [stdout] --> chess_engine/src/chess_move.rs:68:27 [INFO] [stdout] | [INFO] [stdout] 68 | fn reverse(&mut self, mut tiles: &mut BoardCollection) { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> chess_engine/src/pieces/moves.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | mut x: i32, [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling inflate v0.4.5 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling draw_state v0.8.0 [INFO] [stderr] Compiling stb_truetype v0.3.1 [INFO] [stderr] Compiling ogg v0.7.0 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling jpeg-decoder v0.1.20 [INFO] [stderr] Compiling smallvec v0.6.13 [INFO] [stderr] Compiling wayland-scanner v0.21.13 [INFO] [stderr] Compiling dlib v0.4.2 [INFO] [stderr] Compiling gfx_core v0.9.2 [INFO] [stderr] Compiling addr2line v0.13.0 [INFO] [stderr] Compiling wayland-sys v0.21.13 [INFO] [stderr] Compiling gl_generator v0.14.0 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling png v0.15.3 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling alsa-sys v0.1.2 [INFO] [stderr] Compiling lewton v0.9.4 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling shared_library v0.1.9 [INFO] [stderr] Compiling raw-window-handle v0.3.3 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling dirs-sys v0.3.5 [INFO] [stderr] Compiling slice-deque v0.3.0 [INFO] [stderr] Compiling rpassword v2.1.0 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling minimp3-sys v0.3.2 [INFO] [stderr] Compiling bzip2-sys v0.1.9+1.0.8 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling ordered-float v1.1.0 [INFO] [stderr] Compiling line_drawing v0.7.0 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling osmesa-sys v0.1.2 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling directories v2.0.2 [INFO] [stderr] Compiling sid v0.5.2 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling dialog v0.3.0 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling rusttype v0.8.3 [INFO] [stderr] Compiling glutin_egl_sys v0.1.5 [INFO] [stderr] Compiling gfx_gl v0.6.1 [INFO] [stderr] Compiling glutin_glx_sys v0.1.7 [INFO] [stderr] Compiling cpal v0.8.2 [INFO] [stderr] Compiling wayland-client v0.21.13 [INFO] [stderr] Compiling wayland-protocols v0.21.13 [INFO] [stderr] Compiling minimp3 v0.3.5 [INFO] [stderr] Compiling alga v0.9.3 [INFO] [stderr] Compiling gfx v0.18.2 [INFO] [stderr] Compiling rusttype v0.7.9 [INFO] [stderr] Compiling glyph_brush_layout v0.1.9 [INFO] [stderr] Compiling andrew v0.2.1 [INFO] [stderr] error: could not compile `serde` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.116/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=ba16085358abda90 -C extra-filename=-ba16085358abda90 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_boxed_path --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg num_nonzero --cfg core_try_from --cfg num_nonzero_signed --cfg std_atomic64 --cfg std_atomic` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "674d9673fb287fe002ec01967ffe4a6ad1ed83be4c3744a34ab40349032d7dd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "674d9673fb287fe002ec01967ffe4a6ad1ed83be4c3744a34ab40349032d7dd8", kill_on_drop: false }` [INFO] [stdout] 674d9673fb287fe002ec01967ffe4a6ad1ed83be4c3744a34ab40349032d7dd8