[INFO] updating cached repository kaojo/sudojo [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/kaojo/sudojo [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/kaojo/sudojo" "work/ex/beta-1.37-6/sources/1.36.0/gh/kaojo/sudojo"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/kaojo/sudojo'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/kaojo/sudojo" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kaojo/sudojo"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kaojo/sudojo'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] adb8e9e8e6331231215574817f28e0db40b5b7a6 [INFO] sha for GitHub repo kaojo/sudojo: adb8e9e8e6331231215574817f28e0db40b5b7a6 [INFO] validating manifest of kaojo/sudojo on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of kaojo/sudojo on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing kaojo/sudojo [INFO] finished frobbing kaojo/sudojo [INFO] frobbed toml for kaojo/sudojo written to work/ex/beta-1.37-6/sources/1.36.0/gh/kaojo/sudojo/Cargo.toml [INFO] started frobbing kaojo/sudojo [INFO] finished frobbing kaojo/sudojo [INFO] frobbed toml for kaojo/sudojo written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kaojo/sudojo/Cargo.toml [INFO] crate kaojo/sudojo already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing kaojo/sudojo against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/kaojo/sudojo:/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 97c8f4038ba646081780802ed4fa4238cf582fa3a0a05150c14e793eaeaf40fe [INFO] running `"docker" "start" "-a" "97c8f4038ba646081780802ed4fa4238cf582fa3a0a05150c14e793eaeaf40fe"` [INFO] [stderr] Compiling sudojo v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/sudoku/game/board.rs:51:9 [INFO] [stderr] | [INFO] [stderr] 51 | writeln!(f, "Board"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/sudoku/game/board.rs:55:17 [INFO] [stderr] | [INFO] [stderr] 55 | writeln!(f, "-------------------------"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/sudoku/game/board.rs:59:21 [INFO] [stderr] | [INFO] [stderr] 59 | write!(f, "| "); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/sudoku/game/board.rs:61:17 [INFO] [stderr] | [INFO] [stderr] 61 | / write!( [INFO] [stderr] 62 | | f, [INFO] [stderr] 63 | | "{} ", [INFO] [stderr] 64 | | match self.get_square(&Coordinate::new(x, y)) [INFO] [stderr] ... | [INFO] [stderr] 70 | | } [INFO] [stderr] 71 | | ); [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/sudoku/game/board.rs:73:13 [INFO] [stderr] | [INFO] [stderr] 73 | writeln!(f, "|"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.40s [INFO] running `"docker" "inspect" "97c8f4038ba646081780802ed4fa4238cf582fa3a0a05150c14e793eaeaf40fe"` [INFO] running `"docker" "rm" "-f" "97c8f4038ba646081780802ed4fa4238cf582fa3a0a05150c14e793eaeaf40fe"` [INFO] [stdout] 97c8f4038ba646081780802ed4fa4238cf582fa3a0a05150c14e793eaeaf40fe [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/kaojo/sudojo:/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 1f14b98f44e8eb0636e2aff8798965ebb642e0eecfd31eaa4bcd6a2d4ca0a2eb [INFO] running `"docker" "start" "-a" "1f14b98f44e8eb0636e2aff8798965ebb642e0eecfd31eaa4bcd6a2d4ca0a2eb"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Compiling sudojo v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/sudoku/game/board.rs:51:9 [INFO] [stderr] | [INFO] [stderr] 51 | writeln!(f, "Board"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/sudoku/game/board.rs:55:17 [INFO] [stderr] | [INFO] [stderr] 55 | writeln!(f, "-------------------------"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/sudoku/game/board.rs:59:21 [INFO] [stderr] | [INFO] [stderr] 59 | write!(f, "| "); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/sudoku/game/board.rs:61:17 [INFO] [stderr] | [INFO] [stderr] 61 | / write!( [INFO] [stderr] 62 | | f, [INFO] [stderr] 63 | | "{} ", [INFO] [stderr] 64 | | match self.get_square(&Coordinate::new(x, y)) [INFO] [stderr] ... | [INFO] [stderr] 70 | | } [INFO] [stderr] 71 | | ); [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/sudoku/game/board.rs:73:13 [INFO] [stderr] | [INFO] [stderr] 73 | writeln!(f, "|"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.94s [INFO] running `"docker" "inspect" "1f14b98f44e8eb0636e2aff8798965ebb642e0eecfd31eaa4bcd6a2d4ca0a2eb"` [INFO] running `"docker" "rm" "-f" "1f14b98f44e8eb0636e2aff8798965ebb642e0eecfd31eaa4bcd6a2d4ca0a2eb"` [INFO] [stdout] 1f14b98f44e8eb0636e2aff8798965ebb642e0eecfd31eaa4bcd6a2d4ca0a2eb [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/kaojo/sudojo:/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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 377257b88ea3a4d38433d42adf0ec583a1ae51c6cf16b63eb843fc4d6a1f2da5 [INFO] running `"docker" "start" "-a" "377257b88ea3a4d38433d42adf0ec583a1ae51c6cf16b63eb843fc4d6a1f2da5"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/sudojo-533985c870fec075 [INFO] [stdout] running 1 test [INFO] [stderr] Running /opt/crater/target/debug/deps/sudojo-b8a9c5ee50e78e75 [INFO] [stdout] test tests::it_works ... ok [INFO] [stderr] Doc-tests sudojo [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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] [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" "377257b88ea3a4d38433d42adf0ec583a1ae51c6cf16b63eb843fc4d6a1f2da5"` [INFO] running `"docker" "rm" "-f" "377257b88ea3a4d38433d42adf0ec583a1ae51c6cf16b63eb843fc4d6a1f2da5"` [INFO] [stdout] 377257b88ea3a4d38433d42adf0ec583a1ae51c6cf16b63eb843fc4d6a1f2da5