[INFO] fetching crate diol 0.13.1...
[INFO] testing diol-0.13.1 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate diol 0.13.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate diol 0.13.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate diol 0.13.1
[INFO] tweaked toml for crates.io crate diol 0.13.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate diol 0.13.1 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate diol 0.13.1 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-2026-03-05" "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-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f53d4b7db0d1cf02ea7804f4827c28926301bb01cf63b5b2e3bf5eff3ea269b
[INFO] running `Command { std: "docker" "start" "-a" "5f53d4b7db0d1cf02ea7804f4827c28926301bb01cf63b5b2e3bf5eff3ea269b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f53d4b7db0d1cf02ea7804f4827c28926301bb01cf63b5b2e3bf5eff3ea269b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f53d4b7db0d1cf02ea7804f4827c28926301bb01cf63b5b2e3bf5eff3ea269b", kill_on_drop: false }`
[INFO] [stdout] 5f53d4b7db0d1cf02ea7804f4827c28926301bb01cf63b5b2e3bf5eff3ea269b
[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-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ec807e5217d06a0840cb21fbcd3b4255f5a207d257cb362a2d3b8e76df5cdae
[INFO] running `Command { std: "docker" "start" "-a" "3ec807e5217d06a0840cb21fbcd3b4255f5a207d257cb362a2d3b8e76df5cdae", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libm v0.2.13
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling prettyplease v0.2.32
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling winnow v0.7.7
[INFO] [stderr]    Compiling toml_write v0.1.1
[INFO] [stderr]    Compiling clap_builder v4.5.37
[INFO] [stderr]    Compiling float-ord v0.3.2
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling dyn-clone v1.0.19
[INFO] [stderr]    Compiling easy-cast v0.5.3
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling average v0.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]    Compiling equator-macro v0.2.1
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling equator v0.2.2
[INFO] [stderr]    Compiling csscolorparser v0.6.2
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling colorgrad v0.6.2
[INFO] [stderr]    Compiling clap v4.5.37
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_datetime v0.6.9
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling toml_edit v0.22.26
[INFO] [stderr]    Compiling toml v0.8.22
[INFO] [stderr]    Compiling diol v0.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.89s
[INFO] running `Command { std: "docker" "inspect" "3ec807e5217d06a0840cb21fbcd3b4255f5a207d257cb362a2d3b8e76df5cdae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ec807e5217d06a0840cb21fbcd3b4255f5a207d257cb362a2d3b8e76df5cdae", kill_on_drop: false }`
[INFO] [stdout] 3ec807e5217d06a0840cb21fbcd3b4255f5a207d257cb362a2d3b8e76df5cdae
[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-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f87ba88f4615f81033b42a3105d4f56571ceaa82ba8404542326e714cc2eedd
[INFO] running `Command { std: "docker" "start" "-a" "8f87ba88f4615f81033b42a3105d4f56571ceaa82ba8404542326e714cc2eedd", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling bytemuck v1.23.0
[INFO] [stderr]    Compiling reborrow v0.5.5
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling average v0.16.0
[INFO] [stderr]    Compiling diol v0.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling pulp v0.18.22
[INFO] [stderr]    Compiling popcnt v0.1.0
[INFO] [stdout] warning: struct `BytesPerSecMetric` is never constructed
[INFO] [stdout]     --> src/lib.rs:2150:16
[INFO] [stdout]      |
[INFO] [stdout] 2150 |     pub struct BytesPerSecMetric;
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.64s
[INFO] running `Command { std: "docker" "inspect" "8f87ba88f4615f81033b42a3105d4f56571ceaa82ba8404542326e714cc2eedd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f87ba88f4615f81033b42a3105d4f56571ceaa82ba8404542326e714cc2eedd", kill_on_drop: false }`
[INFO] [stdout] 8f87ba88f4615f81033b42a3105d4f56571ceaa82ba8404542326e714cc2eedd
[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-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d154ecf8995ef3ce6640ec1ce14100018f27af431fe63c1a9e5f5ab73bb982d4
[INFO] running `Command { std: "docker" "start" "-a" "d154ecf8995ef3ce6640ec1ce14100018f27af431fe63c1a9e5f5ab73bb982d4", kill_on_drop: false }`
[INFO] [stderr] warning: struct `BytesPerSecMetric` is never constructed
[INFO] [stderr]     --> src/lib.rs:2150:16
[INFO] [stderr]      |
[INFO] [stderr] 2150 |     pub struct BytesPerSecMetric;
[INFO] [stderr]      |                ^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `diol` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/diol-bf5815c03c167655)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_list ... ok
[INFO] [stdout]                                                                            
[INFO] [stdout]                              bench count ones                              
[INFO] [stdout]                                                                            
[INFO] [stdout]   benchmark          args     fastest      median        mean      stddev  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop            1    25.66 ns    31.64 ns    75.70 ns   594.25 ns  
[INFO] [stdout]   popcnt                1   536.88 ns   626.88 ns     1.35 µs     8.91 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop           16   107.73 ns   139.22 ns   261.57 ns     1.53 µs  
[INFO] [stdout]   popcnt               16   755.00 ns   910.00 ns     1.44 µs     7.79 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop          128   705.00 ns   970.00 ns     1.70 µs    30.44 µs  
[INFO] [stdout]   popcnt              128     4.01 µs     4.89 µs     6.37 µs    43.50 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop          512     2.83 µs     3.63 µs     4.61 µs    17.43 µs  
[INFO] [stdout]   popcnt              512    18.87 µs    24.06 µs    38.23 µs   157.81 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop         1024     5.76 µs     7.36 µs    12.84 µs    74.07 µs  
[INFO] [stdout]   popcnt             1024    36.41 µs    44.12 µs    59.04 µs   128.28 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop         8192    46.49 µs    58.53 µs    81.01 µs   192.25 µs  
[INFO] [stdout]   popcnt             8192   318.98 µs   361.59 µs   511.14 µs   533.83 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop        16384   100.09 µs   123.01 µs   155.09 µs   213.88 µs  
[INFO] [stdout]   popcnt            16384   631.89 µs   779.75 µs   975.97 µs   609.68 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop       131072   825.64 µs     1.03 ms     1.20 ms   574.30 µs  
[INFO] [stdout]   popcnt           131072     5.96 ms     5.99 ms     6.21 ms   523.42 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop       262144     1.89 ms     2.06 ms     2.43 ms   924.66 µs  
[INFO] [stdout]   popcnt           262144    12.04 ms    12.36 ms    12.38 ms   197.33 µs  
[INFO] [stdout] test tests::test_bench ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_bench stdout ----
[INFO] [stdout] 
[INFO] [stdout] Error: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Location:
[INFO] [stdout]     src/lib.rs:2028:21
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_bench
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.35s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "d154ecf8995ef3ce6640ec1ce14100018f27af431fe63c1a9e5f5ab73bb982d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d154ecf8995ef3ce6640ec1ce14100018f27af431fe63c1a9e5f5ab73bb982d4", kill_on_drop: false }`
[INFO] [stdout] d154ecf8995ef3ce6640ec1ce14100018f27af431fe63c1a9e5f5ab73bb982d4
