[INFO] cloning repository https://github.com/inda21plusplus/davidgd-chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/inda21plusplus/davidgd-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finda21plusplus%2Fdavidgd-chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finda21plusplus%2Fdavidgd-chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d8c4b24c01a70f4b1156709a9d799a89179a709
[INFO] checking inda21plusplus/davidgd-chess against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finda21plusplus%2Fdavidgd-chess" "/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/inda21plusplus/davidgd-chess
[INFO] finished tweaking git repo https://github.com/inda21plusplus/davidgd-chess
[INFO] tweaked toml for git repo https://github.com/inda21plusplus/davidgd-chess written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/inda21plusplus/davidgd-chess on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/inda21plusplus/davidgd-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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `gui_online` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../gui_online
[INFO] [stderr]    |                                                  ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `gui-online`, convert `package.name`
[INFO] [stderr]   --> gui_online/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "gui_online"
[INFO] [stderr]  2 + name = "gui-online"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `gui-online`, specify `bin.name`
[INFO] [stderr]   --> gui_online/Cargo.toml:28:16
[INFO] [stderr]    |
[INFO] [stderr] 28 ~ rand = "0.8.3"
[INFO] [stderr] 29 + [[bin]]
[INFO] [stderr] 30 + name = "gui-online"
[INFO] [stderr] 31 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `gui_online` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c7a561465ef14db75a9fb3d039a853b34b8bb4c75164b54c29407ad594491865
[INFO] running `Command { std: "docker" "start" "c7a561465ef14db75a9fb3d039a853b34b8bb4c75164b54c29407ad594491865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7a561465ef14db75a9fb3d039a853b34b8bb4c75164b54c29407ad594491865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c7a561465ef14db75a9fb3d039a853b34b8bb4c75164b54c29407ad594491865" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7a561465ef14db75a9fb3d039a853b34b8bb4c75164b54c29407ad594491865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid --cfg crater_hack --force-warn invalid-c-variadic-arguments" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c7a561465ef14db75a9fb3d039a853b34b8bb4c75164b54c29407ad594491865" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `gui_online` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../gui_online
[INFO] [stderr]    |                          ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `gui-online`, convert `package.name`
[INFO] [stderr]   --> gui_online/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "gui_online"
[INFO] [stderr]  2 + name = "gui-online"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `gui-online`, specify `bin.name`
[INFO] [stderr]   --> gui_online/Cargo.toml:28:16
[INFO] [stderr]    |
[INFO] [stderr] 28 ~ rand = "0.8.3"
[INFO] [stderr] 29 + [[bin]]
[INFO] [stderr] 30 + name = "gui-online"
[INFO] [stderr] 31 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `gui_online` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.78
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]     Checking xi-unicode v0.2.1
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking sid v0.5.2
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking glyph_brush_layout v0.1.9
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking ogg v0.7.1
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]     Checking twox-hash v1.6.1
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking mint v0.5.7
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking minimp3 v0.3.5
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking bzip2 v0.4.3
[INFO] [stderr]     Checking glyph_brush v0.6.3
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking glyph_brush v0.5.4
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking gfx v0.18.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking chess_logic v0.1.0 (/opt/rustwide/workdir/chess_logic)
[INFO] [stderr]     Checking glam v0.12.0
[INFO] [stdout] warning: variable `enemy_color` is assigned to, but never used
[INFO] [stdout]   --> chess_logic/src/movement.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let enemy_color: u8;
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_enemy_color` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `enemy_color` is never read
[INFO] [stdout]   --> chess_logic/src/movement.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         enemy_color = COLORS::WHITE;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `enemy_color` is never read
[INFO] [stdout]   --> chess_logic/src/movement.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         enemy_color = COLORS::BLACK;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stdout] warning: variable `halfmove` is assigned to, but never used
[INFO] [stdout]    --> chess_logic/src/lib.rs:468:9
[INFO] [stdout]     |
[INFO] [stdout] 468 |     let mut halfmove: &str = "";
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_halfmove` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fullmove` is assigned to, but never used
[INFO] [stdout]    --> chess_logic/src/lib.rs:469:9
[INFO] [stdout]     |
[INFO] [stdout] 469 |     let mut fullmove: &str = "";
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_fullmove` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `turn` is never read
[INFO] [stdout]    --> chess_logic/src/lib.rs:465:26
[INFO] [stdout]     |
[INFO] [stdout] 465 |     let mut turn: &str = "";
[INFO] [stdout]     |                          ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 479 |                 turn = part.unwrap();
[INFO] [stdout]     |                 -------------------- `turn` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `castling_ability` is never read
[INFO] [stdout]    --> chess_logic/src/lib.rs:466:38
[INFO] [stdout]     |
[INFO] [stdout] 466 |     let mut castling_ability: &str = "";
[INFO] [stdout]     |                                      ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 486 |                 castling_ability = part.unwrap();
[INFO] [stdout]     |                 -------------------------------- `castling_ability` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `moved_on_to_by_un_passant` is never read
[INFO] [stdout]    --> chess_logic/src/lib.rs:467:47
[INFO] [stdout]     |
[INFO] [stdout] 467 |     let mut moved_on_to_by_un_passant: &str = "";
[INFO] [stdout]     |                                               ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 499 |                 moved_on_to_by_un_passant = part.unwrap();
[INFO] [stdout]     |                 ----------------------------------------- `moved_on_to_by_un_passant` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `halfmove` is never read
[INFO] [stdout]    --> chess_logic/src/lib.rs:506:17
[INFO] [stdout]     |
[INFO] [stdout] 506 |                 halfmove = part.unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fullmove` is never read
[INFO] [stdout]    --> chess_logic/src/lib.rs:508:17
[INFO] [stdout]     |
[INFO] [stdout] 508 |                 fullmove = part.unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_movement_board` is never used
[INFO] [stdout]    --> chess_logic/src/movement.rs:498:4
[INFO] [stdout]     |
[INFO] [stdout] 498 | fn draw_movement_board(board: [bool; 64]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking sharded-slab v0.1.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stdout] warning: variable `enemy_color` is assigned to, but never used
[INFO] [stdout]   --> chess_logic/src/movement.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let enemy_color: u8;
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_enemy_color` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `enemy_color` is never read
[INFO] [stdout]   --> chess_logic/src/movement.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         enemy_color = COLORS::WHITE;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `enemy_color` is never read
[INFO] [stdout]   --> chess_logic/src/movement.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         enemy_color = COLORS::BLACK;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `halfmove` is assigned to, but never used
[INFO] [stdout]    --> chess_logic/src/lib.rs:468:9
[INFO] [stdout]     |
[INFO] [stdout] 468 |     let mut halfmove: &str = "";
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_halfmove` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fullmove` is assigned to, but never used
[INFO] [stdout]    --> chess_logic/src/lib.rs:469:9
[INFO] [stdout]     |
[INFO] [stdout] 469 |     let mut fullmove: &str = "";
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_fullmove` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `turn` is never read
[INFO] [stdout]    --> chess_logic/src/lib.rs:465:26
[INFO] [stdout]     |
[INFO] [stdout] 465 |     let mut turn: &str = "";
[INFO] [stdout]     |                          ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 479 |                 turn = part.unwrap();
[INFO] [stdout]     |                 -------------------- `turn` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `castling_ability` is never read
[INFO] [stdout]    --> chess_logic/src/lib.rs:466:38
[INFO] [stdout]     |
[INFO] [stdout] 466 |     let mut castling_ability: &str = "";
[INFO] [stdout]     |                                      ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 486 |                 castling_ability = part.unwrap();
[INFO] [stdout]     |                 -------------------------------- `castling_ability` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `moved_on_to_by_un_passant` is never read
[INFO] [stdout]    --> chess_logic/src/lib.rs:467:47
[INFO] [stdout]     |
[INFO] [stdout] 467 |     let mut moved_on_to_by_un_passant: &str = "";
[INFO] [stdout]     |                                               ^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 499 |                 moved_on_to_by_un_passant = part.unwrap();
[INFO] [stdout]     |                 ----------------------------------------- `moved_on_to_by_un_passant` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `halfmove` is never read
[INFO] [stdout]    --> chess_logic/src/lib.rs:506:17
[INFO] [stdout]     |
[INFO] [stdout] 506 |                 halfmove = part.unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fullmove` is never read
[INFO] [stdout]    --> chess_logic/src/lib.rs:508:17
[INFO] [stdout]     |
[INFO] [stdout] 508 |                 fullmove = part.unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_movement_board` is never used
[INFO] [stdout]    --> chess_logic/src/movement.rs:498:4
[INFO] [stdout]     |
[INFO] [stdout] 498 | fn draw_movement_board(board: [bool; 64]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.14.1/src/unistd.rs:800:56
[INFO] [stdout]     |
[INFO] [stdout] 800 |                       args_p.as_ptr(), env_p.as_ptr(), flags);
[INFO] [stdout]     |                                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `AtFlags` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.14.1/src/unistd.rs:800:56
[INFO] [stdout]     |
[INFO] [stdout] 800 |                       args_p.as_ptr(), env_p.as_ptr(), flags);
[INFO] [stdout]     |                                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]     = note: requested on the command line with `--force-warn invalid-c-variadic-arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling euclid_macros v0.1.0
[INFO] [stderr]    Compiling smart-default v0.5.2
[INFO] [stderr] error: could not compile `nix` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.15.0/src/unistd.rs:800:56
[INFO] [stdout]     |
[INFO] [stdout] 800 |                       args_p.as_ptr(), env_p.as_ptr(), flags);
[INFO] [stdout]     |                                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `AtFlags` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.15.0/src/unistd.rs:800:56
[INFO] [stdout]     |
[INFO] [stdout] 800 |                       args_p.as_ptr(), env_p.as_ptr(), flags);
[INFO] [stdout]     |                                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]     = note: requested on the command line with `--force-warn invalid-c-variadic-arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nix` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c7a561465ef14db75a9fb3d039a853b34b8bb4c75164b54c29407ad594491865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7a561465ef14db75a9fb3d039a853b34b8bb4c75164b54c29407ad594491865", kill_on_drop: false }`
[INFO] [stdout] c7a561465ef14db75a9fb3d039a853b34b8bb4c75164b54c29407ad594491865
