[INFO] fetching crate smolscale 0.4.16...
[INFO] testing smolscale-0.4.16 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate smolscale 0.4.16 into /workspace/builds/worker-3-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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate smolscale 0.4.16 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6005f3a42e4089739aa06c04851ee8089cc6030500c4f30ef6269db44c9130f1
[INFO] running `Command { std: "docker" "start" "-a" "6005f3a42e4089739aa06c04851ee8089cc6030500c4f30ef6269db44c9130f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6005f3a42e4089739aa06c04851ee8089cc6030500c4f30ef6269db44c9130f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6005f3a42e4089739aa06c04851ee8089cc6030500c4f30ef6269db44c9130f1", kill_on_drop: false }`
[INFO] [stdout] 6005f3a42e4089739aa06c04851ee8089cc6030500c4f30ef6269db44c9130f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c5ee3b04b9313f24c2233ae4b99cdbcf73804c32c5480938ca2e98ab435c8a2
[INFO] running `Command { std: "docker" "start" "-a" "6c5ee3b04b9313f24c2233ae4b99cdbcf73804c32c5480938ca2e98ab435c8a2", kill_on_drop: false }`
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[INFO] [stderr]    Compiling dashmap v5.5.3
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[INFO] [stderr]    Compiling async-global-executor v2.3.1
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[INFO] [stderr]    Compiling parking_lot v0.12.1
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[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling st3 v0.4.1
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[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling cache-padded v1.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling polling v3.7.4
[INFO] [stderr]    Compiling async-io v2.4.0
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 50.87s
[INFO] running `Command { std: "docker" "inspect" "6c5ee3b04b9313f24c2233ae4b99cdbcf73804c32c5480938ca2e98ab435c8a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c5ee3b04b9313f24c2233ae4b99cdbcf73804c32c5480938ca2e98ab435c8a2", kill_on_drop: false }`
[INFO] [stdout] 6c5ee3b04b9313f24c2233ae4b99cdbcf73804c32c5480938ca2e98ab435c8a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cef65c34c195fb6de296a2f2fb16bc5bd2bfc053210c6dd67ac3a087a10db2c
[INFO] running `Command { std: "docker" "start" "-a" "8cef65c34c195fb6de296a2f2fb16bc5bd2bfc053210c6dd67ac3a087a10db2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
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[INFO] [stderr]    Compiling rayon-core v1.12.0
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[INFO] [stderr]    Compiling regex-syntax v0.8.2
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[INFO] [stderr]    Compiling plotters-backend v0.3.5
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[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling half v1.8.2
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[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling regex-automata v0.4.2
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling async-global-executor v2.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling termcolor v1.3.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling futures-micro v0.3.1
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling async-oneshot v0.4.2
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.3.0
[INFO] [stderr]    Compiling regex v1.10.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 `test` profile [unoptimized + debuginfo] target(s) in 54.54s
[INFO] running `Command { std: "docker" "inspect" "8cef65c34c195fb6de296a2f2fb16bc5bd2bfc053210c6dd67ac3a087a10db2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cef65c34c195fb6de296a2f2fb16bc5bd2bfc053210c6dd67ac3a087a10db2c", kill_on_drop: false }`
[INFO] [stdout] 8cef65c34c195fb6de296a2f2fb16bc5bd2bfc053210c6dd67ac3a087a10db2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9488bbe0ca4e0e51d5f1ee66ef9a6a13bad68ad6df27c892c43f467c7f30a83e
[INFO] running `Command { std: "docker" "start" "-a" "9488bbe0ca4e0e51d5f1ee66ef9a6a13bad68ad6df27c892c43f467c7f30a83e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `backtrace::Backtrace`
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use backtrace::Backtrace;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `dashmap::DashMap`
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use dashmap::DashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fastcounter::FastCounter`
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use fastcounter::FastCounter;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]   --> src/lib.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use std::io::Write;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `AtomicU64`, `Context`, `Instant`, `Poll`, `io::stderr`, and `pin::Pin`
[INFO] [stderr]   --> src/lib.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     io::stderr,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 20 |     pin::Pin,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 23 |         atomic::{AtomicBool, AtomicU64, Ordering},
[INFO] [stderr]    |                              ^^^^^^^^^
[INFO] [stderr] 24 |         Arc,
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 25 |     },
[INFO] [stderr] 26 |     task::{Context, Poll},
[INFO] [stderr]    |            ^^^^^^^  ^^^^
[INFO] [stderr] 27 |     time::{Duration, Instant},
[INFO] [stderr]    |                      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tabwriter::TabWriter`
[INFO] [stderr]   --> src/lib.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | use tabwriter::TabWriter;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FastCounter` is never constructed
[INFO] [stderr]  --> src/fastcounter.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct FastCounter {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `incr`, `decr`, and `count` are never used
[INFO] [stderr]   --> src/fastcounter.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr]  9 | impl FastCounter {
[INFO] [stderr]    | ---------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 12 |     pub fn incr(&self) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 18 |     pub fn decr(&self) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 23 |     pub fn count(&self) -> usize {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `smolscale` (lib) generated 8 warnings (run `cargo fix --lib -p smolscale` to apply 6 suggestions)
[INFO] [stderr] warning: `smolscale` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/smolscale-3572d54c9ee499d9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::nested_block_on ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests smolscale
[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" "9488bbe0ca4e0e51d5f1ee66ef9a6a13bad68ad6df27c892c43f467c7f30a83e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9488bbe0ca4e0e51d5f1ee66ef9a6a13bad68ad6df27c892c43f467c7f30a83e", kill_on_drop: false }`
[INFO] [stdout] 9488bbe0ca4e0e51d5f1ee66ef9a6a13bad68ad6df27c892c43f467c7f30a83e
