[INFO] cloning repository NougatRillettes/FourInARust
[INFO] running `"git" "clone" "--bare" "git://github.com/NougatRillettes/FourInARust.git" "work/cache/sources/gh/NougatRillettes/FourInARust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/NougatRillettes/FourInARust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/NougatRillettes/FourInARust" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/NougatRillettes/FourInARust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/NougatRillettes/FourInARust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/NougatRillettes/FourInARust" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/NougatRillettes/FourInARust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/NougatRillettes/FourInARust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 40a5032bf9fdcbf0488686c2cc49edd3dd9a472b
[INFO] sha for GitHub repo NougatRillettes/FourInARust: 40a5032bf9fdcbf0488686c2cc49edd3dd9a472b
[INFO] validating manifest of NougatRillettes/FourInARust on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of NougatRillettes/FourInARust on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing NougatRillettes/FourInARust
[INFO] finished frobbing NougatRillettes/FourInARust
[INFO] frobbed toml for NougatRillettes/FourInARust written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/NougatRillettes/FourInARust/Cargo.toml
[INFO] started frobbing NougatRillettes/FourInARust
[INFO] finished frobbing NougatRillettes/FourInARust
[INFO] frobbed toml for NougatRillettes/FourInARust written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/NougatRillettes/FourInARust/Cargo.toml
[INFO] crate NougatRillettes/FourInARust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking NougatRillettes/FourInARust against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-2/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/NougatRillettes/FourInARust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8ce6ed7509ddec791a876c172640fba2356220dd6ef5aef13e4c9f9873e9e7e4
[INFO] running `"docker" "start" "-a" "8ce6ed7509ddec791a876c172640fba2356220dd6ef5aef13e4c9f9873e9e7e4"`
[INFO] [stderr]    Compiling ncurses v5.87.0
[INFO] [stderr]     Checking four_in_a_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Index`
[INFO] [stderr]  --> src/board.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{Index};
[INFO] [stderr]   |                ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Index`
[INFO] [stderr]  --> src/board.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{Index};
[INFO] [stderr]   |                ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.42s
[INFO] running `"docker" "inspect" "8ce6ed7509ddec791a876c172640fba2356220dd6ef5aef13e4c9f9873e9e7e4"`
[INFO] running `"docker" "rm" "-f" "8ce6ed7509ddec791a876c172640fba2356220dd6ef5aef13e4c9f9873e9e7e4"`
[INFO] [stdout] 8ce6ed7509ddec791a876c172640fba2356220dd6ef5aef13e4c9f9873e9e7e4