[INFO] updating cached repository felixmc/rusty-sudoku [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/felixmc/rusty-sudoku [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/felixmc/rusty-sudoku" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/felixmc/rusty-sudoku"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/felixmc/rusty-sudoku'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/felixmc/rusty-sudoku" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/felixmc/rusty-sudoku"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/felixmc/rusty-sudoku'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b2e0c001ae2ced7304cb87769d1c42b034a01c8f [INFO] sha for GitHub repo felixmc/rusty-sudoku: b2e0c001ae2ced7304cb87769d1c42b034a01c8f [INFO] validating manifest of felixmc/rusty-sudoku on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of felixmc/rusty-sudoku on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing felixmc/rusty-sudoku [INFO] finished frobbing felixmc/rusty-sudoku [INFO] frobbed toml for felixmc/rusty-sudoku written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/felixmc/rusty-sudoku/Cargo.toml [INFO] started frobbing felixmc/rusty-sudoku [INFO] finished frobbing felixmc/rusty-sudoku [INFO] frobbed toml for felixmc/rusty-sudoku written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/felixmc/rusty-sudoku/Cargo.toml [INFO] crate felixmc/rusty-sudoku already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking felixmc/rusty-sudoku against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/felixmc/rusty-sudoku:/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 1b6273a69f97cdee01695ff6419b1843d7c6622b9f0f269ec049f63f69b84dbc [INFO] running `"docker" "start" "-a" "1b6273a69f97cdee01695ff6419b1843d7c6622b9f0f269ec049f63f69b84dbc"` [INFO] [stderr] Checking sudoku v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.05s [INFO] running `"docker" "inspect" "1b6273a69f97cdee01695ff6419b1843d7c6622b9f0f269ec049f63f69b84dbc"` [INFO] running `"docker" "rm" "-f" "1b6273a69f97cdee01695ff6419b1843d7c6622b9f0f269ec049f63f69b84dbc"` [INFO] [stdout] 1b6273a69f97cdee01695ff6419b1843d7c6622b9f0f269ec049f63f69b84dbc