[INFO] fetching crate priority-queue-rs 0.1.26... [INFO] testing priority-queue-rs-0.1.26 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate priority-queue-rs 0.1.26 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate priority-queue-rs 0.1.26 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate priority-queue-rs 0.1.26 [INFO] finished tweaking crates.io crate priority-queue-rs 0.1.26 [INFO] tweaked toml for crates.io crate priority-queue-rs 0.1.26 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ca7daf1d0cd9fc9c38d6fcc0326c3b3558e7d55907d5936ed739f31f2ce101c9 [INFO] running `Command { std: "docker" "start" "-a" "ca7daf1d0cd9fc9c38d6fcc0326c3b3558e7d55907d5936ed739f31f2ce101c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca7daf1d0cd9fc9c38d6fcc0326c3b3558e7d55907d5936ed739f31f2ce101c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca7daf1d0cd9fc9c38d6fcc0326c3b3558e7d55907d5936ed739f31f2ce101c9", kill_on_drop: false }` [INFO] [stdout] ca7daf1d0cd9fc9c38d6fcc0326c3b3558e7d55907d5936ed739f31f2ce101c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 861a87667ae2f5c57a592d2be3ada3b6e88b410c81678de2702dcaec814e0bfb [INFO] running `Command { std: "docker" "start" "-a" "861a87667ae2f5c57a592d2be3ada3b6e88b410c81678de2702dcaec814e0bfb", kill_on_drop: false }` [INFO] [stderr] Compiling priority-queue-rs v0.1.26 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `priority` [INFO] [stdout] --> src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub priority: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub value: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lib.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn new(priority: u32, value: T) -> PriorityQueueNode { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `PriorityQueue` [INFO] [stdout] --> src/lib.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | struct PriorityQueue where T: Sized { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lib.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn new() -> PriorityQueue { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> src/lib.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/lib.rs:89:12 [INFO] [stdout] | [INFO] [stdout] 89 | pub fn peek(&mut self) -> Option<&mut T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push` [INFO] [stdout] --> src/lib.rs:96:12 [INFO] [stdout] | [INFO] [stdout] 96 | pub fn push(&mut self, priority: u32, value: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "861a87667ae2f5c57a592d2be3ada3b6e88b410c81678de2702dcaec814e0bfb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "861a87667ae2f5c57a592d2be3ada3b6e88b410c81678de2702dcaec814e0bfb", kill_on_drop: false }` [INFO] [stdout] 861a87667ae2f5c57a592d2be3ada3b6e88b410c81678de2702dcaec814e0bfb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 21544285e43b8d9472462ea82840ab02ab0d9491f50797de87529e4f2a63f799 [INFO] running `Command { std: "docker" "start" "-a" "21544285e43b8d9472462ea82840ab02ab0d9491f50797de87529e4f2a63f799", kill_on_drop: false }` [INFO] [stdout] warning: field is never read: `priority` [INFO] [stdout] --> src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub priority: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub value: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lib.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn new(priority: u32, value: T) -> PriorityQueueNode { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling priority-queue-rs v0.1.26 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `PriorityQueue` [INFO] [stdout] --> src/lib.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | struct PriorityQueue where T: Sized { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lib.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn new() -> PriorityQueue { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> src/lib.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/lib.rs:89:12 [INFO] [stdout] | [INFO] [stdout] 89 | pub fn peek(&mut self) -> Option<&mut T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push` [INFO] [stdout] --> src/lib.rs:96:12 [INFO] [stdout] | [INFO] [stdout] 96 | pub fn push(&mut self, priority: u32, value: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `priority` [INFO] [stdout] --> src/lib.rs:137:13 [INFO] [stdout] | [INFO] [stdout] 137 | for priority in 0..10 { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_priority` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.40s [INFO] running `Command { std: "docker" "inspect" "21544285e43b8d9472462ea82840ab02ab0d9491f50797de87529e4f2a63f799", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21544285e43b8d9472462ea82840ab02ab0d9491f50797de87529e4f2a63f799", kill_on_drop: false }` [INFO] [stdout] 21544285e43b8d9472462ea82840ab02ab0d9491f50797de87529e4f2a63f799 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4d0f3afd509973ec36cd0c5952b3b6583027ccff0a872074ab839b33df87592a [INFO] running `Command { std: "docker" "start" "-a" "4d0f3afd509973ec36cd0c5952b3b6583027ccff0a872074ab839b33df87592a", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `priority` [INFO] [stderr] --> src/lib.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | pub priority: u32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `value` [INFO] [stderr] --> src/lib.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | pub value: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/lib.rs:7:12 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn new(priority: u32, value: T) -> PriorityQueueNode { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `PriorityQueue` [INFO] [stderr] --> src/lib.rs:22:8 [INFO] [stderr] | [INFO] [stderr] 22 | struct PriorityQueue where T: Sized { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/lib.rs:27:12 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn new() -> PriorityQueue { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `pop` [INFO] [stderr] --> src/lib.rs:33:12 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn pop(&mut self) -> Option { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek` [INFO] [stderr] --> src/lib.rs:89:12 [INFO] [stderr] | [INFO] [stderr] 89 | pub fn peek(&mut self) -> Option<&mut T> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `push` [INFO] [stderr] --> src/lib.rs:96:12 [INFO] [stderr] | [INFO] [stderr] 96 | pub fn push(&mut self, priority: u32, value: T) { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: `priority-queue-rs` (lib) generated 8 warnings [INFO] [stderr] warning: unused variable: `priority` [INFO] [stderr] --> src/lib.rs:137:13 [INFO] [stderr] | [INFO] [stderr] 137 | for priority in 0..10 { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_priority` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `priority-queue-rs` (lib test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/priority_queue_rs-6b2037c99de30adc) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test::main ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stderr] Doc-tests priority-queue-rs [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4d0f3afd509973ec36cd0c5952b3b6583027ccff0a872074ab839b33df87592a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d0f3afd509973ec36cd0c5952b3b6583027ccff0a872074ab839b33df87592a", kill_on_drop: false }` [INFO] [stdout] 4d0f3afd509973ec36cd0c5952b3b6583027ccff0a872074ab839b33df87592a