[INFO] crate game-2048 0.5.1 is already in cache [INFO] extracting crate game-2048 0.5.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/game-2048/0.5.1 [INFO] extracting crate game-2048 0.5.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/game-2048/0.5.1 [INFO] validating manifest of game-2048-0.5.1 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 game-2048-0.5.1 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 game-2048-0.5.1 [INFO] finished frobbing game-2048-0.5.1 [INFO] frobbed toml for game-2048-0.5.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/game-2048/0.5.1/Cargo.toml [INFO] started frobbing game-2048-0.5.1 [INFO] finished frobbing game-2048-0.5.1 [INFO] frobbed toml for game-2048-0.5.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/game-2048/0.5.1/Cargo.toml [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 game-2048-0.5.1 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-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/game-2048/0.5.1:/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] 51596b400a9ebd785202cdb90044ac41f1c18381fed22d00c009bf69475c1a5d [INFO] running `"docker" "start" "-a" "51596b400a9ebd785202cdb90044ac41f1c18381fed22d00c009bf69475c1a5d"` [INFO] [stderr] Compiling matrix_display v0.3.0 [INFO] [stderr] Compiling game-2048 v0.5.1 (/opt/crater/workdir) [INFO] [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter [INFO] [stderr] --> src/board.rs:3:24 [INFO] [stderr] | [INFO] [stderr] 3 | use rand::{thread_rng, sample}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter [INFO] [stderr] --> src/board.rs:57:22 [INFO] [stderr] | [INFO] [stderr] 57 | let mut fw = sample(&mut rng, 1..256, 17); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: floating-point types cannot be used in patterns [INFO] [stderr] --> src/board.rs:22:22 [INFO] [stderr] | [INFO] [stderr] 22 | 1_f64 => (".".to_string(), col), [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(illegal_floating_point_literal_pattern)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #41620 [INFO] [stderr] [INFO] [stderr] warning: floating-point types cannot be used in patterns [INFO] [stderr] --> src/board.rs:22:22 [INFO] [stderr] | [INFO] [stderr] 22 | 1_f64 => (".".to_string(), col), [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #41620 [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/game.rs:70:19 [INFO] [stderr] | [INFO] [stderr] 70 | .map(|mut row| { [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] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/game.rs:68:9 [INFO] [stderr] | [INFO] [stderr] 68 | / self.data [INFO] [stderr] 69 | | .chunks_mut(4) [INFO] [stderr] 70 | | .map(|mut row| { [INFO] [stderr] 71 | | let (new_row, new_score) = match dir { [INFO] [stderr] ... | [INFO] [stderr] 86 | | }) [INFO] [stderr] 87 | | .collect::>(); [INFO] [stderr] | |_________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.23s [INFO] running `"docker" "inspect" "51596b400a9ebd785202cdb90044ac41f1c18381fed22d00c009bf69475c1a5d"` [INFO] running `"docker" "rm" "-f" "51596b400a9ebd785202cdb90044ac41f1c18381fed22d00c009bf69475c1a5d"` [INFO] [stdout] 51596b400a9ebd785202cdb90044ac41f1c18381fed22d00c009bf69475c1a5d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/game-2048/0.5.1:/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] 5b8e63114e9e7f44ec88e268b2da17134d7450d2fd48d25838559758db1712db [INFO] running `"docker" "start" "-a" "5b8e63114e9e7f44ec88e268b2da17134d7450d2fd48d25838559758db1712db"` [INFO] [stderr] Compiling game-2048 v0.5.1 (/opt/crater/workdir) [INFO] [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter [INFO] [stderr] --> src/board.rs:3:24 [INFO] [stderr] | [INFO] [stderr] 3 | use rand::{thread_rng, sample}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter [INFO] [stderr] --> src/board.rs:57:22 [INFO] [stderr] | [INFO] [stderr] 57 | let mut fw = sample(&mut rng, 1..256, 17); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: floating-point types cannot be used in patterns [INFO] [stderr] --> src/board.rs:22:22 [INFO] [stderr] | [INFO] [stderr] 22 | 1_f64 => (".".to_string(), col), [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(illegal_floating_point_literal_pattern)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #41620 [INFO] [stderr] [INFO] [stderr] warning: floating-point types cannot be used in patterns [INFO] [stderr] --> src/board.rs:22:22 [INFO] [stderr] | [INFO] [stderr] 22 | 1_f64 => (".".to_string(), col), [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #41620 [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/game.rs:70:19 [INFO] [stderr] | [INFO] [stderr] 70 | .map(|mut row| { [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] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/game.rs:68:9 [INFO] [stderr] | [INFO] [stderr] 68 | / self.data [INFO] [stderr] 69 | | .chunks_mut(4) [INFO] [stderr] 70 | | .map(|mut row| { [INFO] [stderr] 71 | | let (new_row, new_score) = match dir { [INFO] [stderr] ... | [INFO] [stderr] 86 | | }) [INFO] [stderr] 87 | | .collect::>(); [INFO] [stderr] | |_________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.00s [INFO] running `"docker" "inspect" "5b8e63114e9e7f44ec88e268b2da17134d7450d2fd48d25838559758db1712db"` [INFO] running `"docker" "rm" "-f" "5b8e63114e9e7f44ec88e268b2da17134d7450d2fd48d25838559758db1712db"` [INFO] [stdout] 5b8e63114e9e7f44ec88e268b2da17134d7450d2fd48d25838559758db1712db [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/game-2048/0.5.1:/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] 195715f3a931985645dc2c758c037f567b82f459f658fc8e27f7ddf02783278d [INFO] running `"docker" "start" "-a" "195715f3a931985645dc2c758c037f567b82f459f658fc8e27f7ddf02783278d"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running /opt/crater/target/debug/deps/game_2048-1bc9bc8e89c9b744 [INFO] [stdout] [INFO] [stdout] running 14 tests [INFO] [stdout] test algorithm::slide_test::test_slide_right_with_four_different_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_left_with_two_same_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_left_with_one_element ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_left_with_four_same_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_right_with_four_same_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_right_with_one_element ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_right_with_three_different_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_right_with_three_same_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_right_with_two_different_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_right_with_two_same_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_left_with_two_different_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_left_with_four_different_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_left_with_three_same_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_left_with_three_different_elements ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "195715f3a931985645dc2c758c037f567b82f459f658fc8e27f7ddf02783278d"` [INFO] running `"docker" "rm" "-f" "195715f3a931985645dc2c758c037f567b82f459f658fc8e27f7ddf02783278d"` [INFO] [stdout] 195715f3a931985645dc2c758c037f567b82f459f658fc8e27f7ddf02783278d