[INFO] cloning repository https://github.com/ghostdsb/sokka
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ghostdsb/sokka" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghostdsb%2Fsokka", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghostdsb%2Fsokka'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e71d4cccaa46a3f0864b693d0ec083cc5b6b10ef
[INFO] checking ghostdsb/sokka against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghostdsb%2Fsokka" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ghostdsb/sokka 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/ghostdsb/sokka
[INFO] finished tweaking git repo https://github.com/ghostdsb/sokka
[INFO] tweaked toml for git repo https://github.com/ghostdsb/sokka written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ghostdsb/sokka 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 sapp-android v0.1.14
[INFO] [stderr]   Downloaded sapp-windows v0.2.19
[INFO] [stderr]   Downloaded miniquad v0.3.0-alpha.42
[INFO] [stderr]   Downloaded macroquad v0.3.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bdf37126be71a4375d3e2a99ca047f5b2fa21e5e3aaed40e9dd9301e52bc46ad
[INFO] running `Command { std: "docker" "start" "-a" "bdf37126be71a4375d3e2a99ca047f5b2fa21e5e3aaed40e9dd9301e52bc46ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdf37126be71a4375d3e2a99ca047f5b2fa21e5e3aaed40e9dd9301e52bc46ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdf37126be71a4375d3e2a99ca047f5b2fa21e5e3aaed40e9dd9301e52bc46ad", kill_on_drop: false }`
[INFO] [stdout] bdf37126be71a4375d3e2a99ca047f5b2fa21e5e3aaed40e9dd9301e52bc46ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3a2e63425e3ee675e29da12a818df90f6fe0c2202e4045ed862482a1078d0775
[INFO] running `Command { std: "docker" "start" "-a" "3a2e63425e3ee675e29da12a818df90f6fe0c2202e4045ed862482a1078d0775", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling quad-alsa-sys v0.3.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking ogg v0.7.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling sapp-linux v0.1.13
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking dasp_frame v0.11.0
[INFO] [stderr]    Compiling quad-snd v0.2.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking ttf-parser v0.12.3
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking bytemuck v1.7.3
[INFO] [stderr]     Checking quad-rand v0.2.1
[INFO] [stderr]    Compiling macroquad_macro v0.1.7
[INFO] [stderr]     Checking bumpalo v3.8.0
[INFO] [stderr]     Checking glam v0.14.0
[INFO] [stderr]     Checking audrey v0.3.0
[INFO] [stderr]     Checking fontdue v0.5.2
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking miniquad v0.3.0-alpha.42
[INFO] [stderr]     Checking macroquad v0.3.13
[INFO] [stderr]     Checking sokka v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `initial_state`
[INFO] [stdout]   --> src/main.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let initial_state = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq";
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_initial_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `initial_state`
[INFO] [stdout]   --> src/main.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let initial_state = "rnbqkbnr/pp1ppppp/8/2p5/4P3/5N2/PPPP1PPP/RNBQKB1R b KQkq - 1 2";
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_initial_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `initial_state`
[INFO] [stdout]   --> src/main.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let initial_state = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq";
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_initial_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `initial_state`
[INFO] [stdout]   --> src/main.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let initial_state = "rnbqkbnr/pp1ppppp/8/2p5/4P3/5N2/PPPP1PPP/RNBQKB1R b KQkq - 1 2";
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_initial_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/piece.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             _ => unreachable!()
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `place` is never used
[INFO] [stdout]   --> src/square.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Square{
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn place(&mut self, piece: Piece) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_rank` is never used
[INFO] [stdout]   --> src/piece.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Piece{
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn get_rank(self) -> PieceType{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/piece.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             _ => unreachable!()
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `place` is never used
[INFO] [stdout]   --> src/square.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Square{
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn place(&mut self, piece: Piece) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_rank` is never used
[INFO] [stdout]   --> src/piece.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Piece{
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn get_rank(self) -> PieceType{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.36s
[INFO] running `Command { std: "docker" "inspect" "3a2e63425e3ee675e29da12a818df90f6fe0c2202e4045ed862482a1078d0775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a2e63425e3ee675e29da12a818df90f6fe0c2202e4045ed862482a1078d0775", kill_on_drop: false }`
[INFO] [stdout] 3a2e63425e3ee675e29da12a818df90f6fe0c2202e4045ed862482a1078d0775