[INFO] updating cached repository https://github.com/NougatRillettes/FourInARust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40a5032bf9fdcbf0488686c2cc49edd3dd9a472b
[INFO] checking NougatRillettes/FourInARust against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNougatRillettes%2FFourInARust" "/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/NougatRillettes/FourInARust on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NougatRillettes/FourInARust
[INFO] finished tweaking git repo https://github.com/NougatRillettes/FourInARust
[INFO] tweaked toml for git repo https://github.com/NougatRillettes/FourInARust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/NougatRillettes/FourInARust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c668399ff438d261f7283ea5a3635f5c35c20dbe1ede1a81b0ca61333ee3519d
[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" "c668399ff438d261f7283ea5a3635f5c35c20dbe1ede1a81b0ca61333ee3519d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c668399ff438d261f7283ea5a3635f5c35c20dbe1ede1a81b0ca61333ee3519d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c668399ff438d261f7283ea5a3635f5c35c20dbe1ede1a81b0ca61333ee3519d", kill_on_drop: false }`
[INFO] [stdout] c668399ff438d261f7283ea5a3635f5c35c20dbe1ede1a81b0ca61333ee3519d
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ee22be8e79602adc87f5db40f7e20d174919698097120fa9a096b56458443b5
[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" "5ee22be8e79602adc87f5db40f7e20d174919698097120fa9a096b56458443b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]    Compiling ncurses v5.87.0
[INFO] [stderr]     Checking four_in_a_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Index`
[INFO] [stdout]  --> src/board.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{Index};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/board.rs:136:80
[INFO] [stdout]     |
[INFO] [stdout] 136 |                         1 + self.countyellow[coli][li].fromoffset(-cdir,-ldir);;
[INFO] [stdout]     |                                                                                ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Index`
[INFO] [stdout]  --> src/board.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{Index};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/board.rs:136:80
[INFO] [stdout]     |
[INFO] [stdout] 136 |                         1 + self.countyellow[coli][li].fromoffset(-cdir,-ldir);;
[INFO] [stdout]     |                                                                                ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.97s
[INFO] running `Command { std: "docker" "inspect" "5ee22be8e79602adc87f5db40f7e20d174919698097120fa9a096b56458443b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ee22be8e79602adc87f5db40f7e20d174919698097120fa9a096b56458443b5", kill_on_drop: false }`
[INFO] [stdout] 5ee22be8e79602adc87f5db40f7e20d174919698097120fa9a096b56458443b5