[INFO] fetching crate smolscale 0.4.16... [INFO] checking smolscale-0.4.16 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate smolscale 0.4.16 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate smolscale 0.4.16 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate smolscale 0.4.16 [INFO] tweaked toml for crates.io crate smolscale 0.4.16 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate smolscale 0.4.16 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate smolscale 0.4.16 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b85ed1b9c9b0807ac49d64ee49a6d797790bd0a7c43dc387fe38e75203bfe429 [INFO] running `Command { std: "docker" "start" "-a" "b85ed1b9c9b0807ac49d64ee49a6d797790bd0a7c43dc387fe38e75203bfe429", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b85ed1b9c9b0807ac49d64ee49a6d797790bd0a7c43dc387fe38e75203bfe429", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b85ed1b9c9b0807ac49d64ee49a6d797790bd0a7c43dc387fe38e75203bfe429", kill_on_drop: false }` [INFO] [stdout] b85ed1b9c9b0807ac49d64ee49a6d797790bd0a7c43dc387fe38e75203bfe429 [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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 981cf3c8238f14d56034ce23dd707c70cf9f4296f3346e250ee8d8fcd3f2e9ef [INFO] running `Command { std: "docker" "start" "-a" "981cf3c8238f14d56034ce23dd707c70cf9f4296f3346e250ee8d8fcd3f2e9ef", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Checking parking v2.1.1 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling serde v1.0.189 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking waker-fn v1.1.1 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Checking async-lock v2.8.0 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Compiling rustix v0.37.25 [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Checking smallvec v1.11.1 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Compiling serde_json v1.0.107 [INFO] [stderr] Checking linux-raw-sys v0.4.15 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Checking bitflags v2.8.0 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Compiling rayon-core v1.12.0 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking async-task v4.4.1 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking tracing v0.1.39 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Checking concurrent-queue v2.3.0 [INFO] [stderr] Checking piper v0.2.1 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking event-listener v5.2.0 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Compiling crossbeam-queue v0.3.8 [INFO] [stderr] Checking gimli v0.28.0 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking event-listener-strategy v0.5.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking async-lock v3.4.0 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking object v0.32.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking futures-lite v2.6.0 [INFO] [stderr] Checking tokio v1.33.0 [INFO] [stderr] Checking hashbrown v0.14.1 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking blocking v1.4.1 [INFO] [stderr] Checking async-executor v1.5.4 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking regex-automata v0.4.2 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking rayon v1.8.0 [INFO] [stderr] Checking walkdir v2.4.0 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking dashmap v5.5.3 [INFO] [stderr] Checking async-compat v0.2.3 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking st3 v0.4.1 [INFO] [stderr] Checking tabwriter v1.3.0 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Compiling backtrace v0.3.69 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking async-event v0.2.1 [INFO] [stderr] Checking futures-micro v0.3.1 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking cache-padded v1.3.0 [INFO] [stderr] Checking termcolor v1.3.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking async-oneshot v0.4.2 [INFO] [stderr] Checking async-global-executor v2.3.1 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling serde_derive v1.0.189 [INFO] [stderr] Checking regex v1.10.1 [INFO] [stderr] Checking env_logger v0.9.3 [INFO] [stderr] Checking polling v3.7.4 [INFO] [stderr] Checking async-io v2.4.0 [INFO] [stderr] Checking smolscale v0.4.16 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `backtrace::Backtrace` [INFO] [stdout] --> src/lib.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use backtrace::Backtrace; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `dashmap::DashMap` [INFO] [stdout] --> src/lib.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use dashmap::DashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fastcounter::FastCounter` [INFO] [stdout] --> src/lib.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use fastcounter::FastCounter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/lib.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `AtomicU64`, `Context`, `Instant`, `Poll`, `io::stderr`, and `pin::Pin` [INFO] [stdout] --> src/lib.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | io::stderr, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 20 | pin::Pin, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | atomic::{AtomicBool, AtomicU64, Ordering}, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 24 | Arc, [INFO] [stdout] | ^^^ [INFO] [stdout] 25 | }, [INFO] [stdout] 26 | task::{Context, Poll}, [INFO] [stdout] | ^^^^^^^ ^^^^ [INFO] [stdout] 27 | time::{Duration, Instant}, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tabwriter::TabWriter` [INFO] [stdout] --> src/lib.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | use tabwriter::TabWriter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FastCounter` is never constructed [INFO] [stdout] --> src/fastcounter.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct FastCounter { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `incr`, `decr`, and `count` are never used [INFO] [stdout] --> src/fastcounter.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl FastCounter { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 12 | pub fn incr(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn decr(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn count(&self) -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: unused import: `backtrace::Backtrace` [INFO] [stdout] --> src/lib.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use backtrace::Backtrace; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `dashmap::DashMap` [INFO] [stdout] --> src/lib.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use dashmap::DashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fastcounter::FastCounter` [INFO] [stdout] --> src/lib.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use fastcounter::FastCounter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/lib.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `AtomicU64`, `Context`, `Instant`, `Poll`, `io::stderr`, and `pin::Pin` [INFO] [stdout] --> src/lib.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | io::stderr, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 20 | pin::Pin, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | atomic::{AtomicBool, AtomicU64, Ordering}, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 24 | Arc, [INFO] [stdout] | ^^^ [INFO] [stdout] 25 | }, [INFO] [stdout] 26 | task::{Context, Poll}, [INFO] [stdout] | ^^^^^^^ ^^^^ [INFO] [stdout] 27 | time::{Duration, Instant}, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tabwriter::TabWriter` [INFO] [stdout] --> src/lib.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | use tabwriter::TabWriter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `slow_fibonacci` is never used [INFO] [stdout] --> benches/my_benchmark.rs:144:4 [INFO] [stdout] | [INFO] [stdout] 144 | 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: struct `FastCounter` is never constructed [INFO] [stdout] --> src/fastcounter.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct FastCounter { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `incr`, `decr`, and `count` are never used [INFO] [stdout] --> src/fastcounter.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl FastCounter { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 12 | pub fn incr(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn decr(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn count(&self) -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.45s [INFO] running `Command { std: "docker" "inspect" "981cf3c8238f14d56034ce23dd707c70cf9f4296f3346e250ee8d8fcd3f2e9ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "981cf3c8238f14d56034ce23dd707c70cf9f4296f3346e250ee8d8fcd3f2e9ef", kill_on_drop: false }` [INFO] [stdout] 981cf3c8238f14d56034ce23dd707c70cf9f4296f3346e250ee8d8fcd3f2e9ef