[INFO] updating cached repository Kizby/rust-paper-scissors
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Kizby/rust-paper-scissors
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Kizby/rust-paper-scissors" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Kizby/rust-paper-scissors"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Kizby/rust-paper-scissors'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Kizby/rust-paper-scissors" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Kizby/rust-paper-scissors"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Kizby/rust-paper-scissors'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fea1c196f3364239237db00f17ac816e6adcb2c0
[INFO] sha for GitHub repo Kizby/rust-paper-scissors: fea1c196f3364239237db00f17ac816e6adcb2c0
[INFO] validating manifest of Kizby/rust-paper-scissors on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Kizby/rust-paper-scissors on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Kizby/rust-paper-scissors
[INFO] finished frobbing Kizby/rust-paper-scissors
[INFO] frobbed toml for Kizby/rust-paper-scissors written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Kizby/rust-paper-scissors/Cargo.toml
[INFO] started frobbing Kizby/rust-paper-scissors
[INFO] finished frobbing Kizby/rust-paper-scissors
[INFO] frobbed toml for Kizby/rust-paper-scissors written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Kizby/rust-paper-scissors/Cargo.toml
[INFO] crate Kizby/rust-paper-scissors already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Kizby/rust-paper-scissors/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Kizby/rust-paper-scissors against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-5/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Kizby/rust-paper-scissors:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f1a2ed2b302e1a69216844ca37011a48ce9a626f6814df9078d82eddfef3f988
[INFO] running `"docker" "start" "-a" "f1a2ed2b302e1a69216844ca37011a48ce9a626f6814df9078d82eddfef3f988"`
[INFO] [stderr]     Checking rust-paper-scissors v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `play`
[INFO] [stderr]   --> src/opponent.rs:30:20
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn play(&self, play: &game::Play) -> game::Play {
[INFO] [stderr]    |                    ^^^^ help: consider prefixing with an underscore: `_play`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `play`
[INFO] [stderr]   --> src/opponent.rs:30:20
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn play(&self, play: &game::Play) -> game::Play {
[INFO] [stderr]    |                    ^^^^ help: consider prefixing with an underscore: `_play`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "f1a2ed2b302e1a69216844ca37011a48ce9a626f6814df9078d82eddfef3f988"`
[INFO] running `"docker" "rm" "-f" "f1a2ed2b302e1a69216844ca37011a48ce9a626f6814df9078d82eddfef3f988"`
[INFO] [stdout] f1a2ed2b302e1a69216844ca37011a48ce9a626f6814df9078d82eddfef3f988