[INFO] fetching crate smolscale2 0.5.8... [INFO] checking smolscale2-0.5.8 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate smolscale2 0.5.8 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate smolscale2 0.5.8 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate smolscale2 0.5.8 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate smolscale2 0.5.8 [INFO] tweaked toml for crates.io crate smolscale2 0.5.8 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate smolscale2 0.5.8 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--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] Downloading crates ... [INFO] [stderr] Downloaded tabwriter v1.4.0 [INFO] [stderr] Downloaded async-oneshot v0.4.2 [INFO] [stderr] Downloaded perfmon v0.2.2 [INFO] [stderr] Downloaded sdd v2.1.0 [INFO] [stderr] Downloaded async-compat v0.2.4 [INFO] [stderr] Downloaded st3 v0.4.1 [INFO] [stderr] Downloaded scc v2.1.6 [INFO] [stderr] Downloaded mach-sys v0.5.4 [INFO] [stderr] Downloaded async-event v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 53764c373ae2178f2f2416125211225ae4e0ce0ad14c8e8a2b4afdc6f891f1db [INFO] running `Command { std: "docker" "start" "-a" "53764c373ae2178f2f2416125211225ae4e0ce0ad14c8e8a2b4afdc6f891f1db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "53764c373ae2178f2f2416125211225ae4e0ce0ad14c8e8a2b4afdc6f891f1db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53764c373ae2178f2f2416125211225ae4e0ce0ad14c8e8a2b4afdc6f891f1db", kill_on_drop: false }` [INFO] [stdout] 53764c373ae2178f2f2416125211225ae4e0ce0ad14c8e8a2b4afdc6f891f1db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d38b009c36bbd748d7ccc55cbfc767d499eadcd1c12c57327e835c4ecfcc4464 [INFO] running `Command { std: "docker" "start" "-a" "d38b009c36bbd748d7ccc55cbfc767d499eadcd1c12c57327e835c4ecfcc4464", kill_on_drop: false }` [INFO] [stderr] Compiling portable-atomic v1.7.0 [INFO] [stderr] Compiling portable-atomic-util v0.2.2 [INFO] [stderr] Compiling serde v1.0.204 [INFO] [stderr] Compiling rustix v0.38.34 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking futures-lite v2.3.0 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling serde_json v1.0.122 [INFO] [stderr] Compiling cc v1.1.7 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking async-task v4.7.1 [INFO] [stderr] Checking lock_api v0.4.12 [INFO] [stderr] Checking plotters-backend v0.3.6 [INFO] [stderr] Checking piper v0.2.3 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking plotters-svg v0.3.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling syn v2.0.72 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking tokio v1.39.2 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking object v0.36.2 [INFO] [stderr] Checking sdd v2.1.0 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Checking futures-intrusive v0.5.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking st3 v0.4.1 [INFO] [stderr] Checking tabwriter v1.4.0 [INFO] [stderr] Checking async-event v0.2.1 [INFO] [stderr] Checking oorandom v11.1.4 [INFO] [stderr] Checking futures-micro v0.3.1 [INFO] [stderr] Checking async-oneshot v0.4.2 [INFO] [stderr] Compiling backtrace v0.3.73 [INFO] [stderr] Checking concurrent-queue v2.5.0 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking plotters v0.3.6 [INFO] [stderr] Checking async-executor v1.13.0 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking async-compat v0.2.4 [INFO] [stderr] Checking event-listener v5.3.1 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking event-listener-strategy v0.5.2 [INFO] [stderr] Checking async-lock v3.4.0 [INFO] [stderr] Checking async-channel v2.3.1 [INFO] [stderr] Checking blocking v1.6.1 [INFO] [stderr] Checking scc v2.1.6 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking regex v1.10.5 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling serde_derive v1.0.204 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking env_logger v0.9.3 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking polling v3.7.2 [INFO] [stderr] Checking async-io v2.3.3 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stderr] Checking async-global-executor v2.4.1 [INFO] [stderr] Checking smolscale2 v0.5.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `FutureExt` [INFO] [stdout] --> src/new_executor.rs:3:28 [INFO] [stdout] | [INFO] [stdout] 3 | use futures_lite::{Future, FutureExt}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `last_rec` [INFO] [stdout] --> src/queues.rs:401:17 [INFO] [stdout] | [INFO] [stdout] 401 | let mut last_rec = started; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_rec` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/queues.rs:401:13 [INFO] [stdout] | [INFO] [stdout] 401 | let mut last_rec = started; [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: unreachable expression [INFO] [stdout] --> src/new_executor.rs:99:13 [INFO] [stdout] | [INFO] [stdout] 97 | continue; [INFO] [stdout] | -------- any code following this expression is unreachable [INFO] [stdout] 98 | // normally useless [INFO] [stdout] 99 | / if (this.worker.is_empty() [INFO] [stdout] 100 | | && !selected.worker.is_empty()) [INFO] [stdout] 101 | | && this.worker.spare_capacity() [INFO] [stdout] 102 | | > selected.worker.spare_capacity() [INFO] [stdout] ... | [INFO] [stdout] 107 | | continue; [INFO] [stdout] 108 | | } [INFO] [stdout] | |_____________^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `rebalance` is never used [INFO] [stdout] --> src/queues.rs:93:12 [INFO] [stdout] | [INFO] [stdout] 47 | impl GlobalQueue { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 93 | pub fn rebalance(&self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FutureExt` [INFO] [stdout] --> src/new_executor.rs:3:28 [INFO] [stdout] | [INFO] [stdout] 3 | use futures_lite::{Future, FutureExt}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `slow_fibonacci` is never used [INFO] [stdout] --> benches/my_benchmark.rs:154:4 [INFO] [stdout] | [INFO] [stdout] 154 | fn slow_fibonacci(n: u64) -> u64 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `last_rec` [INFO] [stdout] --> src/queues.rs:401:17 [INFO] [stdout] | [INFO] [stdout] 401 | let mut last_rec = started; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_rec` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/queues.rs:401:13 [INFO] [stdout] | [INFO] [stdout] 401 | let mut last_rec = started; [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: unreachable expression [INFO] [stdout] --> src/new_executor.rs:99:13 [INFO] [stdout] | [INFO] [stdout] 97 | continue; [INFO] [stdout] | -------- any code following this expression is unreachable [INFO] [stdout] 98 | // normally useless [INFO] [stdout] 99 | / if (this.worker.is_empty() [INFO] [stdout] 100 | | && !selected.worker.is_empty()) [INFO] [stdout] 101 | | && this.worker.spare_capacity() [INFO] [stdout] 102 | | > selected.worker.spare_capacity() [INFO] [stdout] ... | [INFO] [stdout] 107 | | continue; [INFO] [stdout] 108 | | } [INFO] [stdout] | |_____________^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `rebalance` is never used [INFO] [stdout] --> src/queues.rs:93:12 [INFO] [stdout] | [INFO] [stdout] 47 | impl GlobalQueue { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 93 | pub fn rebalance(&self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.66s [INFO] running `Command { std: "docker" "inspect" "d38b009c36bbd748d7ccc55cbfc767d499eadcd1c12c57327e835c4ecfcc4464", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d38b009c36bbd748d7ccc55cbfc767d499eadcd1c12c57327e835c4ecfcc4464", kill_on_drop: false }` [INFO] [stdout] d38b009c36bbd748d7ccc55cbfc767d499eadcd1c12c57327e835c4ecfcc4464