[INFO] fetching crate game-2048 0.5.1... [INFO] checking game-2048-0.5.1 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073 [INFO] extracting crate game-2048 0.5.1 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate game-2048 0.5.1 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", 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] 312eb1e01a4c29190ce0ef8eb873b8db9c1518834adc435b60a196236d3247b8 [INFO] running `Command { std: "docker" "start" "-a" "312eb1e01a4c29190ce0ef8eb873b8db9c1518834adc435b60a196236d3247b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "312eb1e01a4c29190ce0ef8eb873b8db9c1518834adc435b60a196236d3247b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "312eb1e01a4c29190ce0ef8eb873b8db9c1518834adc435b60a196236d3247b8", kill_on_drop: false }` [INFO] [stdout] 312eb1e01a4c29190ce0ef8eb873b8db9c1518834adc435b60a196236d3247b8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 71503c3a39ffa8174a15e8ec9122b6e2fcf9f5fca14ce07ecf25fea28b3839a8 [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" "71503c3a39ffa8174a15e8ec9122b6e2fcf9f5fca14ce07ecf25fea28b3839a8", kill_on_drop: false }` [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking unicode-segmentation v1.7.1 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking termion v1.5.6 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking matrix_display v0.3.0 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking 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: 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] [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 8.52s [INFO] running `Command { std: "docker" "inspect" "71503c3a39ffa8174a15e8ec9122b6e2fcf9f5fca14ce07ecf25fea28b3839a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71503c3a39ffa8174a15e8ec9122b6e2fcf9f5fca14ce07ecf25fea28b3839a8", kill_on_drop: false }` [INFO] [stdout] 71503c3a39ffa8174a15e8ec9122b6e2fcf9f5fca14ce07ecf25fea28b3839a8