[INFO] updating cached repository Mortal/blokus
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Mortal/blokus
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Mortal/blokus" "work/ex/beta-1.38-1/sources/1.37.0/gh/Mortal/blokus"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Mortal/blokus'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Mortal/blokus" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Mortal/blokus"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Mortal/blokus'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e93dca7e806c4c308ac1a0f927646b1cf59eb234
[INFO] sha for GitHub repo Mortal/blokus: e93dca7e806c4c308ac1a0f927646b1cf59eb234
[INFO] validating manifest of Mortal/blokus 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 Mortal/blokus 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 Mortal/blokus
[INFO] finished frobbing Mortal/blokus
[INFO] frobbed toml for Mortal/blokus written to work/ex/beta-1.38-1/sources/1.37.0/gh/Mortal/blokus/Cargo.toml
[INFO] started frobbing Mortal/blokus
[INFO] finished frobbing Mortal/blokus
[INFO] frobbed toml for Mortal/blokus written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Mortal/blokus/Cargo.toml
[INFO] crate Mortal/blokus 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Mortal/blokus 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-0/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/Mortal/blokus:/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] c6501c986d8f80f401315530d183f8de430b1fa0263c41ffd480c99bb2a6bdf3
[INFO] running `"docker" "start" "-a" "c6501c986d8f80f401315530d183f8de430b1fa0263c41ffd480c99bb2a6bdf3"`
[INFO] [stderr]    Compiling blokus v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/board.rs:249:13
[INFO] [stderr]     |
[INFO] [stderr] 249 |         let a = if first < margin { 0 } else { first - margin };
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/board.rs:250:13
[INFO] [stderr]     |
[INFO] [stderr] 250 |         let b = (last + margin + 1).min(self.flags.len());
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `"docker" "inspect" "c6501c986d8f80f401315530d183f8de430b1fa0263c41ffd480c99bb2a6bdf3"`
[INFO] running `"docker" "rm" "-f" "c6501c986d8f80f401315530d183f8de430b1fa0263c41ffd480c99bb2a6bdf3"`
[INFO] [stdout] c6501c986d8f80f401315530d183f8de430b1fa0263c41ffd480c99bb2a6bdf3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/Mortal/blokus:/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] 090fe86d15cedf4131f8af818750842ff67e19d099460c12df139eade28dbfc3
[INFO] running `"docker" "start" "-a" "090fe86d15cedf4131f8af818750842ff67e19d099460c12df139eade28dbfc3"`
[INFO] [stderr]    Compiling blokus v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]    --> src/board.rs:105:75
[INFO] [stderr]     |
[INFO] [stderr] 105 |     let translations = v.translations(board_width, board_height).map(|(o, p)| o).collect::<Vec<_>>();
[INFO] [stderr]     |                                                                           ^ help: consider prefixing with an underscore: `_p`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/board.rs:249:13
[INFO] [stderr]     |
[INFO] [stderr] 249 |         let a = if first < margin { 0 } else { first - margin };
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/board.rs:250:13
[INFO] [stderr]     |
[INFO] [stderr] 250 |         let b = (last + margin + 1).min(self.flags.len());
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `"docker" "inspect" "090fe86d15cedf4131f8af818750842ff67e19d099460c12df139eade28dbfc3"`
[INFO] running `"docker" "rm" "-f" "090fe86d15cedf4131f8af818750842ff67e19d099460c12df139eade28dbfc3"`
[INFO] [stdout] 090fe86d15cedf4131f8af818750842ff67e19d099460c12df139eade28dbfc3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/Mortal/blokus:/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] 3531b089b1245bd2536c16fdad20db33425d9e5a05048d04da5cc82fac050527
[INFO] running `"docker" "start" "-a" "3531b089b1245bd2536c16fdad20db33425d9e5a05048d04da5cc82fac050527"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/blokus-5148a2343926fab8
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test pieces::test_translate ... ok
[INFO] [stdout] test pieces::test_mirror_x ... ok
[INFO] [stdout] test pieces::test_min_corner ... ok
[INFO] [stdout] test pieces::test_variations_i ... ok
[INFO] [stdout] test board::test_translations ... ok
[INFO] [stdout] test pieces::test_pieces ... ok
[INFO] [stdout] test pieces::test_variations_o ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3531b089b1245bd2536c16fdad20db33425d9e5a05048d04da5cc82fac050527"`
[INFO] running `"docker" "rm" "-f" "3531b089b1245bd2536c16fdad20db33425d9e5a05048d04da5cc82fac050527"`
[INFO] [stdout] 3531b089b1245bd2536c16fdad20db33425d9e5a05048d04da5cc82fac050527