[INFO] fetching crate game-2048 0.5.1... [INFO] testing game-2048-0.5.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate game-2048 0.5.1 into /workspace/builds/worker-2-tc2/source [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-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate game-2048 0.5.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 27 packages to latest compatible versions [INFO] [stderr] Adding matrix_display v0.3.0 (available: v1.0.0) [INFO] [stderr] Adding num v0.1.43 (available: v0.4.3) [INFO] [stderr] Adding rand v0.3.23 (available: v0.9.2) [INFO] [stderr] Adding termion v1.5.6 (available: v4.0.5) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9ebb354fb4ab1d00462cfc412d00751cc5c023bc5d5685e590be26a388e87c35 [INFO] running `Command { std: "docker" "start" "-a" "9ebb354fb4ab1d00462cfc412d00751cc5c023bc5d5685e590be26a388e87c35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9ebb354fb4ab1d00462cfc412d00751cc5c023bc5d5685e590be26a388e87c35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ebb354fb4ab1d00462cfc412d00751cc5c023bc5d5685e590be26a388e87c35", kill_on_drop: false }` [INFO] [stdout] 9ebb354fb4ab1d00462cfc412d00751cc5c023bc5d5685e590be26a388e87c35 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2823a774bf56e3413a11bbe30d42aa3b4908de599239922d34566aaf859114f6 [INFO] running `Command { std: "docker" "start" "-a" "2823a774bf56e3413a11bbe30d42aa3b4908de599239922d34566aaf859114f6", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling num-bigint v0.1.45 [INFO] [stderr] Compiling rustc-serialize v0.3.25 [INFO] [stderr] Compiling num-rational v0.1.43 [INFO] [stderr] Compiling num-complex v0.1.44 [INFO] [stderr] Compiling numtoa v0.1.0 [INFO] [stderr] Compiling unicode-segmentation v1.12.0 [INFO] [stderr] Compiling ansi_term v0.9.0 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling termion v1.5.6 [INFO] [stderr] Compiling matrix_display v0.3.0 [INFO] [stderr] Compiling num-iter v0.1.45 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling num v0.1.43 [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: 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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/algorithm.rs:101:19 [INFO] [stdout] | [INFO] [stdout] 101 | let ret = data.clone() [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[i32]` does not implement `Clone`, so calling `clone` on `&[i32]` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` 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: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 68 | let _ = self.data [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.34s [INFO] running `Command { std: "docker" "inspect" "2823a774bf56e3413a11bbe30d42aa3b4908de599239922d34566aaf859114f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2823a774bf56e3413a11bbe30d42aa3b4908de599239922d34566aaf859114f6", kill_on_drop: false }` [INFO] [stdout] 2823a774bf56e3413a11bbe30d42aa3b4908de599239922d34566aaf859114f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d2ba64feb3456a0d275b0c987d0de26893c0b841178116974b6c5adb829e6dd [INFO] running `Command { std: "docker" "start" "-a" "5d2ba64feb3456a0d275b0c987d0de26893c0b841178116974b6c5adb829e6dd", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [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: 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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/algorithm.rs:101:19 [INFO] [stdout] | [INFO] [stdout] 101 | let ret = data.clone() [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[i32]` does not implement `Clone`, so calling `clone` on `&[i32]` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` 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: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 68 | let _ = self.data [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `Command { std: "docker" "inspect" "5d2ba64feb3456a0d275b0c987d0de26893c0b841178116974b6c5adb829e6dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d2ba64feb3456a0d275b0c987d0de26893c0b841178116974b6c5adb829e6dd", kill_on_drop: false }` [INFO] [stdout] 5d2ba64feb3456a0d275b0c987d0de26893c0b841178116974b6c5adb829e6dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 93a792e1c442b08435bedeefb5a52beb6ea6a323b9a669273b883711a62ada0b [INFO] running `Command { std: "docker" "start" "-a" "93a792e1c442b08435bedeefb5a52beb6ea6a323b9a669273b883711a62ada0b", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [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: 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)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stderr] --> src/algorithm.rs:101:19 [INFO] [stderr] | [INFO] [stderr] 101 | let ret = data.clone() [INFO] [stderr] | ^^^^^^^^ help: remove this redundant call [INFO] [stderr] | [INFO] [stderr] = note: the type `[i32]` does not implement `Clone`, so calling `clone` on `&[i32]` copies the reference, which does not do anything and can be removed [INFO] [stderr] = note: `#[warn(noop_method_call)]` 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: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 68 | let _ = self.data [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `game-2048` (bin "game-2048" test) generated 5 warnings (run `cargo fix --bin "game-2048" -p game-2048 --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/game_2048-bd2c5f2b3676d2ed) [INFO] [stdout] [INFO] [stdout] running 14 tests [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_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_two_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_right_with_four_different_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_three_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_two_same_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_same_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_right_with_three_same_elements ... ok [INFO] [stdout] test algorithm::slide_test::test_slide_left_with_one_element ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "93a792e1c442b08435bedeefb5a52beb6ea6a323b9a669273b883711a62ada0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93a792e1c442b08435bedeefb5a52beb6ea6a323b9a669273b883711a62ada0b", kill_on_drop: false }` [INFO] [stdout] 93a792e1c442b08435bedeefb5a52beb6ea6a323b9a669273b883711a62ada0b