[INFO] fetching crate priority-queue-rs 0.1.26... [INFO] testing priority-queue-rs-0.1.26 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate priority-queue-rs 0.1.26 into /workspace/builds/worker-4-tc2/source [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-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate priority-queue-rs 0.1.26 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b9a0e1f9382d6f378d4dc21820c7ef70811fc3a02202e6a4d0a03e69434071a0 [INFO] running `Command { std: "docker" "start" "-a" "b9a0e1f9382d6f378d4dc21820c7ef70811fc3a02202e6a4d0a03e69434071a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b9a0e1f9382d6f378d4dc21820c7ef70811fc3a02202e6a4d0a03e69434071a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9a0e1f9382d6f378d4dc21820c7ef70811fc3a02202e6a4d0a03e69434071a0", kill_on_drop: false }` [INFO] [stdout] b9a0e1f9382d6f378d4dc21820c7ef70811fc3a02202e6a4d0a03e69434071a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d75417ba6ab4c9cfcb191a58e06596d7150719c5bd7d7f6c1ca5e23cf2212d6 [INFO] running `Command { std: "docker" "start" "-a" "4d75417ba6ab4c9cfcb191a58e06596d7150719c5bd7d7f6c1ca5e23cf2212d6", kill_on_drop: false }` [INFO] [stderr] Compiling priority-queue-rs v0.1.26 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `PriorityQueueNode` is never constructed [INFO] [stdout] --> src/lib.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct PriorityQueueNode where T: Sized { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lib.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 6 | impl PriorityQueueNode { [INFO] [stdout] | ---------------------------- associated function in this implementation [INFO] [stdout] 7 | pub fn new(priority: u32, value: T) -> PriorityQueueNode { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PriorityQueue` is never constructed [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 items `new`, `pop`, `peek`, and `push` are never used [INFO] [stdout] --> src/lib.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 26 | impl PriorityQueue { [INFO] [stdout] | ------------------------ associated items in this implementation [INFO] [stdout] 27 | pub fn new() -> PriorityQueue { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 89 | pub fn peek(&mut self) -> Option<&mut T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 96 | pub fn push(&mut self, priority: u32, value: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "4d75417ba6ab4c9cfcb191a58e06596d7150719c5bd7d7f6c1ca5e23cf2212d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d75417ba6ab4c9cfcb191a58e06596d7150719c5bd7d7f6c1ca5e23cf2212d6", kill_on_drop: false }` [INFO] [stdout] 4d75417ba6ab4c9cfcb191a58e06596d7150719c5bd7d7f6c1ca5e23cf2212d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c9c07d4f1ba4a22315f09987e3c08ea557e6f4ddd468ad7a8758eca42a8e109d [INFO] running `Command { std: "docker" "start" "-a" "c9c07d4f1ba4a22315f09987e3c08ea557e6f4ddd468ad7a8758eca42a8e109d", kill_on_drop: false }` [INFO] [stderr] Compiling priority-queue-rs v0.1.26 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `PriorityQueueNode` is never constructed [INFO] [stdout] --> src/lib.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct PriorityQueueNode where T: Sized { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lib.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 6 | impl PriorityQueueNode { [INFO] [stdout] | ---------------------------- associated function in this implementation [INFO] [stdout] 7 | pub fn new(priority: u32, value: T) -> PriorityQueueNode { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PriorityQueue` is never constructed [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 items `new`, `pop`, `peek`, and `push` are never used [INFO] [stdout] --> src/lib.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 26 | impl PriorityQueue { [INFO] [stdout] | ------------------------ associated items in this implementation [INFO] [stdout] 27 | pub fn new() -> PriorityQueue { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 89 | pub fn peek(&mut self) -> Option<&mut T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 96 | pub fn push(&mut self, priority: u32, value: T) { [INFO] [stdout] | ^^^^ [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "c9c07d4f1ba4a22315f09987e3c08ea557e6f4ddd468ad7a8758eca42a8e109d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9c07d4f1ba4a22315f09987e3c08ea557e6f4ddd468ad7a8758eca42a8e109d", kill_on_drop: false }` [INFO] [stdout] c9c07d4f1ba4a22315f09987e3c08ea557e6f4ddd468ad7a8758eca42a8e109d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b6b588b7b599a465b945737774a4d2fec11bf32c6e989b81bd53e72b3f52cb2d [INFO] running `Command { std: "docker" "start" "-a" "b6b588b7b599a465b945737774a4d2fec11bf32c6e989b81bd53e72b3f52cb2d", kill_on_drop: false }` [INFO] [stderr] warning: struct `PriorityQueueNode` is never constructed [INFO] [stderr] --> src/lib.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | struct PriorityQueueNode where T: Sized { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> src/lib.rs:7:12 [INFO] [stderr] | [INFO] [stderr] 6 | impl PriorityQueueNode { [INFO] [stderr] | ---------------------------- associated function in this implementation [INFO] [stderr] 7 | pub fn new(priority: u32, value: T) -> PriorityQueueNode { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `PriorityQueue` is never constructed [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 items `new`, `pop`, `peek`, and `push` are never used [INFO] [stderr] --> src/lib.rs:27:12 [INFO] [stderr] | [INFO] [stderr] 26 | impl PriorityQueue { [INFO] [stderr] | ------------------------ associated items in this implementation [INFO] [stderr] 27 | pub fn new() -> PriorityQueue { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 33 | pub fn pop(&mut self) -> Option { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 89 | pub fn peek(&mut self) -> Option<&mut T> { [INFO] [stderr] | ^^^^ [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 4 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)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `priority-queue-rs` (lib test) generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/priority_queue_rs-11ae6058587bbddf) [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" "b6b588b7b599a465b945737774a4d2fec11bf32c6e989b81bd53e72b3f52cb2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6b588b7b599a465b945737774a4d2fec11bf32c6e989b81bd53e72b3f52cb2d", kill_on_drop: false }` [INFO] [stdout] b6b588b7b599a465b945737774a4d2fec11bf32c6e989b81bd53e72b3f52cb2d