[INFO] updating cached repository k2bd/star_battle_mc_solver [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/k2bd/star_battle_mc_solver [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/k2bd/star_battle_mc_solver" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/k2bd/star_battle_mc_solver"` [INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/k2bd/star_battle_mc_solver'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/k2bd/star_battle_mc_solver" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/k2bd/star_battle_mc_solver"` [INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/k2bd/star_battle_mc_solver'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3c62c3ca2292e3646fcc9b021e097eb71be6a772 [INFO] sha for GitHub repo k2bd/star_battle_mc_solver: 3c62c3ca2292e3646fcc9b021e097eb71be6a772 [INFO] validating manifest of k2bd/star_battle_mc_solver on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of k2bd/star_battle_mc_solver on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing k2bd/star_battle_mc_solver [INFO] finished frobbing k2bd/star_battle_mc_solver [INFO] frobbed toml for k2bd/star_battle_mc_solver written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/k2bd/star_battle_mc_solver/Cargo.toml [INFO] started frobbing k2bd/star_battle_mc_solver [INFO] finished frobbing k2bd/star_battle_mc_solver [INFO] frobbed toml for k2bd/star_battle_mc_solver written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/k2bd/star_battle_mc_solver/Cargo.toml [INFO] crate k2bd/star_battle_mc_solver has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing k2bd/star_battle_mc_solver against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/k2bd/star_battle_mc_solver:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"` [INFO] [stdout] e1959d21d57951ff9eac91e9d22e9e7f2446f6e35ed1b5c39a4b4c27c382d8f8 [INFO] running `"docker" "start" "-a" "e1959d21d57951ff9eac91e9d22e9e7f2446f6e35ed1b5c39a4b4c27c382d8f8"` [INFO] [stderr] Compiling star_battle v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `rand::Rng` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use rand::Rng; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `regions` [INFO] [stderr] --> src/main.rs:92:39 [INFO] [stderr] | [INFO] [stderr] 92 | fn score(star_board: &Vec>, regions: &Vec>, n_stars: usize) -> usize { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_regions` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `row` [INFO] [stderr] --> src/main.rs:131:9 [INFO] [stderr] | [INFO] [stderr] 131 | for row in board { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_row` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let mut filename; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.51s [INFO] running `"docker" "inspect" "e1959d21d57951ff9eac91e9d22e9e7f2446f6e35ed1b5c39a4b4c27c382d8f8"` [INFO] running `"docker" "rm" "-f" "e1959d21d57951ff9eac91e9d22e9e7f2446f6e35ed1b5c39a4b4c27c382d8f8"` [INFO] [stdout] e1959d21d57951ff9eac91e9d22e9e7f2446f6e35ed1b5c39a4b4c27c382d8f8 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/k2bd/star_battle_mc_solver:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 8f8e2b4a503610fd3f3a52d79ea94008f76ae9036e1a1553955fdc095ee38761 [INFO] running `"docker" "start" "-a" "8f8e2b4a503610fd3f3a52d79ea94008f76ae9036e1a1553955fdc095ee38761"` [INFO] [stderr] Compiling star_battle v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `rand::Rng` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use rand::Rng; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `regions` [INFO] [stderr] --> src/main.rs:92:39 [INFO] [stderr] | [INFO] [stderr] 92 | fn score(star_board: &Vec>, regions: &Vec>, n_stars: usize) -> usize { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_regions` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `row` [INFO] [stderr] --> src/main.rs:131:9 [INFO] [stderr] | [INFO] [stderr] 131 | for row in board { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_row` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let mut filename; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `"docker" "inspect" "8f8e2b4a503610fd3f3a52d79ea94008f76ae9036e1a1553955fdc095ee38761"` [INFO] running `"docker" "rm" "-f" "8f8e2b4a503610fd3f3a52d79ea94008f76ae9036e1a1553955fdc095ee38761"` [INFO] [stdout] 8f8e2b4a503610fd3f3a52d79ea94008f76ae9036e1a1553955fdc095ee38761 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/k2bd/star_battle_mc_solver:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"` [INFO] [stdout] 5f565b9e1b20757a9b7ba858691b4f5a896aeb32cca9968a7f85480ece01cefa [INFO] running `"docker" "start" "-a" "5f565b9e1b20757a9b7ba858691b4f5a896aeb32cca9968a7f85480ece01cefa"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/crater/target/debug/deps/star_battle-b328f9ec449ad01b [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" "5f565b9e1b20757a9b7ba858691b4f5a896aeb32cca9968a7f85480ece01cefa"` [INFO] running `"docker" "rm" "-f" "5f565b9e1b20757a9b7ba858691b4f5a896aeb32cca9968a7f85480ece01cefa"` [INFO] [stdout] 5f565b9e1b20757a9b7ba858691b4f5a896aeb32cca9968a7f85480ece01cefa