[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/beta-1.38-1/sources/1.37.0/gh/Kizby/rust-paper-scissors"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Kizby/rust-paper-scissors'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Kizby/rust-paper-scissors" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Kizby/rust-paper-scissors"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Kizby/rust-paper-scissors on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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[INFO] the lockfile is outdated, regenerating it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" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Kizby/rust-paper-scissors against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 8f5f57e14b85e7d4b401256fe0865ffe2bf22244845d6b85a5d16f8375e894c4
[INFO] running `"docker" "start" "-a" "8f5f57e14b85e7d4b401256fe0865ffe2bf22244845d6b85a5d16f8375e894c4"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "8f5f57e14b85e7d4b401256fe0865ffe2bf22244845d6b85a5d16f8375e894c4"`
[INFO] running `"docker" "rm" "-f" "8f5f57e14b85e7d4b401256fe0865ffe2bf22244845d6b85a5d16f8375e894c4"`
[INFO] [stdout] 8f5f57e14b85e7d4b401256fe0865ffe2bf22244845d6b85a5d16f8375e894c4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 17667688d0f9c07fdc88dce47f85fb397a81b6a5b22d8416ca48bf88a7a410e7
[INFO] running `"docker" "start" "-a" "17667688d0f9c07fdc88dce47f85fb397a81b6a5b22d8416ca48bf88a7a410e7"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "17667688d0f9c07fdc88dce47f85fb397a81b6a5b22d8416ca48bf88a7a410e7"`
[INFO] running `"docker" "rm" "-f" "17667688d0f9c07fdc88dce47f85fb397a81b6a5b22d8416ca48bf88a7a410e7"`
[INFO] [stdout] 17667688d0f9c07fdc88dce47f85fb397a81b6a5b22d8416ca48bf88a7a410e7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] ba7c013ebded06e230ae0e2f612a984577fd4d967a48f94e7a1e09df2b74db99
[INFO] running `"docker" "start" "-a" "ba7c013ebded06e230ae0e2f612a984577fd4d967a48f94e7a1e09df2b74db99"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_paper_scissors-d897769f562f4fba
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ba7c013ebded06e230ae0e2f612a984577fd4d967a48f94e7a1e09df2b74db99"`
[INFO] running `"docker" "rm" "-f" "ba7c013ebded06e230ae0e2f612a984577fd4d967a48f94e7a1e09df2b74db99"`
[INFO] [stdout] ba7c013ebded06e230ae0e2f612a984577fd4d967a48f94e7a1e09df2b74db99