[INFO] fetching crate game-2048 0.5.1... [INFO] testing game-2048-0.5.1 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] extracting crate game-2048 0.5.1 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate game-2048 0.5.1 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate game-2048 0.5.1 [INFO] finished tweaking crates.io crate game-2048 0.5.1 [INFO] tweaked toml for crates.io crate game-2048 0.5.1 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6990435e4d876afe619458f94af3ba4f69216bc11ee01b259ca27c230db5d9fb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6990435e4d876afe619458f94af3ba4f69216bc11ee01b259ca27c230db5d9fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6990435e4d876afe619458f94af3ba4f69216bc11ee01b259ca27c230db5d9fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6990435e4d876afe619458f94af3ba4f69216bc11ee01b259ca27c230db5d9fb", kill_on_drop: false }` [INFO] [stdout] 6990435e4d876afe619458f94af3ba4f69216bc11ee01b259ca27c230db5d9fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e134d423a920c296edd24e93feffa47a633b96e3c17424d9d31df6b2a8ab9c47 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e134d423a920c296edd24e93feffa47a633b96e3c17424d9d31df6b2a8ab9c47", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling numtoa v0.1.0 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling ansi_term v0.9.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling matrix_display v0.3.0 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling termion v1.5.5 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling game-2048 v0.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter [INFO] [stdout] --> src/board.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | use rand::{thread_rng, sample}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter [INFO] [stdout] --> src/board.rs:57:22 [INFO] [stdout] | [INFO] [stdout] 57 | let mut fw = sample(&mut rng, 1..256, 17); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: floating-point types cannot be used in patterns [INFO] [stdout] --> src/board.rs:22:22 [INFO] [stdout] | [INFO] [stdout] 22 | 1_f64 => (".".to_string(), col), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(illegal_floating_point_literal_pattern)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #41620 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: floating-point types cannot be used in patterns [INFO] [stdout] --> src/board.rs:22:22 [INFO] [stdout] | [INFO] [stdout] 22 | 1_f64 => (".".to_string(), col), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #41620 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game.rs:70:19 [INFO] [stdout] | [INFO] [stdout] 70 | .map(|mut row| { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `collect` that must be used [INFO] [stdout] --> src/game.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | / self.data [INFO] [stdout] 69 | | .chunks_mut(4) [INFO] [stdout] 70 | | .map(|mut row| { [INFO] [stdout] 71 | | let (new_row, new_score) = match dir { [INFO] [stdout] ... | [INFO] [stdout] 86 | | }) [INFO] [stdout] 87 | | .collect::>(); [INFO] [stdout] | |_________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.06s [INFO] running `Command { std: "docker" "inspect" "e134d423a920c296edd24e93feffa47a633b96e3c17424d9d31df6b2a8ab9c47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e134d423a920c296edd24e93feffa47a633b96e3c17424d9d31df6b2a8ab9c47", kill_on_drop: false }` [INFO] [stdout] e134d423a920c296edd24e93feffa47a633b96e3c17424d9d31df6b2a8ab9c47 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 57d507fd53ae29e7b6e1cc551cb60a31b2156b193d38c9e5ac67bd402a925e01 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "57d507fd53ae29e7b6e1cc551cb60a31b2156b193d38c9e5ac67bd402a925e01", kill_on_drop: false }` [INFO] [stderr] Compiling game-2048 v0.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter [INFO] [stdout] --> src/board.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | use rand::{thread_rng, sample}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `rand::sample`: renamed to seq::sample_iter [INFO] [stdout] --> src/board.rs:57:22 [INFO] [stdout] | [INFO] [stdout] 57 | let mut fw = sample(&mut rng, 1..256, 17); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: floating-point types cannot be used in patterns [INFO] [stdout] --> src/board.rs:22:22 [INFO] [stdout] | [INFO] [stdout] 22 | 1_f64 => (".".to_string(), col), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(illegal_floating_point_literal_pattern)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #41620 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: floating-point types cannot be used in patterns [INFO] [stdout] --> src/board.rs:22:22 [INFO] [stdout] | [INFO] [stdout] 22 | 1_f64 => (".".to_string(), col), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #41620 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game.rs:70:19 [INFO] [stdout] | [INFO] [stdout] 70 | .map(|mut row| { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `collect` that must be used [INFO] [stdout] --> src/game.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | / self.data [INFO] [stdout] 69 | | .chunks_mut(4) [INFO] [stdout] 70 | | .map(|mut row| { [INFO] [stdout] 71 | | let (new_row, new_score) = match dir { [INFO] [stdout] ... | [INFO] [stdout] 86 | | }) [INFO] [stdout] 87 | | .collect::>(); [INFO] [stdout] | |_________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.30s [INFO] running `Command { std: "docker" "inspect" "57d507fd53ae29e7b6e1cc551cb60a31b2156b193d38c9e5ac67bd402a925e01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57d507fd53ae29e7b6e1cc551cb60a31b2156b193d38c9e5ac67bd402a925e01", kill_on_drop: false }` [INFO] [stdout] 57d507fd53ae29e7b6e1cc551cb60a31b2156b193d38c9e5ac67bd402a925e01 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] daf37165405e6dfe53930eb02cb02d4efe5692ce6c6cb72b49ff7ed1a61d5d5a [INFO] running `Command { std: "docker" "start" "-a" "daf37165405e6dfe53930eb02cb02d4efe5692ce6c6cb72b49ff7ed1a61d5d5a", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated function `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 function `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 `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] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/game_2048-c4e6399b45169ba3 [INFO] [stdout] [INFO] [stdout] running 14 tests [INFO] [stdout] test algorithm::slide_test::test_slide_left_with_four_same_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_left_with_three_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_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_four_different_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_three_same_elements ... 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_one_element ... 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_one_element ... 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_two_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 `Command { std: "docker" "inspect" "daf37165405e6dfe53930eb02cb02d4efe5692ce6c6cb72b49ff7ed1a61d5d5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "daf37165405e6dfe53930eb02cb02d4efe5692ce6c6cb72b49ff7ed1a61d5d5a", kill_on_drop: false }` [INFO] [stdout] daf37165405e6dfe53930eb02cb02d4efe5692ce6c6cb72b49ff7ed1a61d5d5a