[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] building inda20plusplus/gestsson-chess against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finda20plusplus%2Fgestsson-chess" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/inda20plusplus/gestsson-chess on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "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-12/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rpassword v2.1.0
[INFO] [stderr]   Downloaded dialog v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd029aa74ca89522aba9b7f4c5d33a1dcb3f9b1315407dc75169bc487661d072
[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" "bd029aa74ca89522aba9b7f4c5d33a1dcb3f9b1315407dc75169bc487661d072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd029aa74ca89522aba9b7f4c5d33a1dcb3f9b1315407dc75169bc487661d072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd029aa74ca89522aba9b7f4c5d33a1dcb3f9b1315407dc75169bc487661d072", kill_on_drop: false }`
[INFO] [stdout] bd029aa74ca89522aba9b7f4c5d33a1dcb3f9b1315407dc75169bc487661d072
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8128b82779c498cb4122a2f422a97843aab10e72c01c1643f76064d38627b7f
[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" "a8128b82779c498cb4122a2f422a97843aab10e72c01c1643f76064d38627b7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[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 semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libloading v0.6.3
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling xi-unicode v0.2.1
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling mint v0.5.5
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling color_quant v1.0.1
[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] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[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 num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[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 walkdir v2.3.1
[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 error-chain v0.12.4
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling ogg v0.7.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling wayland-sys v0.21.13
[INFO] [stderr]    Compiling gfx_core v0.9.2
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling lewton v0.9.4
[INFO] [stderr]    Compiling png v0.15.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[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 sid v0.5.2
[INFO] [stderr]    Compiling gfx v0.18.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling rpassword v2.1.0
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling directories v2.0.2
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr] error: could not compile `object`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name object --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/object-0.20.0/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="coff"' --cfg 'feature="elf"' --cfg 'feature="macho"' --cfg 'feature="pe"' --cfg 'feature="read_core"' --cfg 'feature="unaligned"' -C metadata=b96b2a4451fa7cc6 -C extra-filename=-b96b2a4451fa7cc6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (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" "a8128b82779c498cb4122a2f422a97843aab10e72c01c1643f76064d38627b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8128b82779c498cb4122a2f422a97843aab10e72c01c1643f76064d38627b7f", kill_on_drop: false }`
[INFO] [stdout] a8128b82779c498cb4122a2f422a97843aab10e72c01c1643f76064d38627b7f
