[INFO] cloning repository https://github.com/onContentStop/chess-variants-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/onContentStop/chess-variants-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FonContentStop%2Fchess-variants-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FonContentStop%2Fchess-variants-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f768d8b1b4b43f84b9ffad77aa61fde4f766555e
[INFO] checking onContentStop/chess-variants-rust against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FonContentStop%2Fchess-variants-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/onContentStop/chess-variants-rust on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/onContentStop/chess-variants-rust
[INFO] finished tweaking git repo https://github.com/onContentStop/chess-variants-rust
[INFO] tweaked toml for git repo https://github.com/onContentStop/chess-variants-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/onContentStop/chess-variants-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 87fe7ab0a0a08d6e293e2289a0fcc27e56061214b574caa524b6c35bcab17597
[INFO] running `Command { std: "docker" "start" "-a" "87fe7ab0a0a08d6e293e2289a0fcc27e56061214b574caa524b6c35bcab17597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87fe7ab0a0a08d6e293e2289a0fcc27e56061214b574caa524b6c35bcab17597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87fe7ab0a0a08d6e293e2289a0fcc27e56061214b574caa524b6c35bcab17597", kill_on_drop: false }`
[INFO] [stdout] 87fe7ab0a0a08d6e293e2289a0fcc27e56061214b574caa524b6c35bcab17597
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 240b92400d55eaff4e87524a0b6d449779b1ad20d7a5992b83349b430b827e91
[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" "240b92400d55eaff4e87524a0b6d449779b1ad20d7a5992b83349b430b827e91", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling sdl2 v0.34.2
[INFO] [stderr]    Compiling chess-variants-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking smawk v0.3.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking enum_derive v0.1.7
[INFO] [stderr]     Checking macro-attr v0.2.0
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.13.1
[INFO] [stderr]     Checking expect-test v1.0.2
[INFO] [stderr]    Compiling sdl2-sys v0.34.2
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stdout] warning: unused import: `game_piece`
[INFO] [stdout]  --> src/chess_game/board.rs:7:38
[INFO] [stdout]   |
[INFO] [stdout] 7 | use super::{board_space::BoardSpace, game_piece};
[INFO] [stdout]   |                                      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `game_piece`
[INFO] [stdout]  --> src/chess_game/board.rs:7:38
[INFO] [stdout]   |
[INFO] [stdout] 7 | use super::{board_space::BoardSpace, game_piece};
[INFO] [stdout]   |                                      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.84s
[INFO] running `Command { std: "docker" "inspect" "240b92400d55eaff4e87524a0b6d449779b1ad20d7a5992b83349b430b827e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "240b92400d55eaff4e87524a0b6d449779b1ad20d7a5992b83349b430b827e91", kill_on_drop: false }`
[INFO] [stdout] 240b92400d55eaff4e87524a0b6d449779b1ad20d7a5992b83349b430b827e91