[INFO] cloning repository https://github.com/sarah-ek/diol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sarah-ek/diol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarah-ek%2Fdiol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarah-ek%2Fdiol'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62d6b5cac18ccb7185f6fc4a24b307a849d089a0
[INFO] testing sarah-ek/diol against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarah-ek%2Fdiol" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sarah-ek/diol
[INFO] finished tweaking git repo https://github.com/sarah-ek/diol
[INFO] tweaked toml for git repo https://github.com/sarah-ek/diol written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sarah-ek/diol 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 git repo https://github.com/sarah-ek/diol 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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90c45f0ad70ec75bd71f5d225e077dc2530161f7fea07fb7b2ddbd882107e12a
[INFO] running `Command { std: "docker" "start" "-a" "90c45f0ad70ec75bd71f5d225e077dc2530161f7fea07fb7b2ddbd882107e12a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90c45f0ad70ec75bd71f5d225e077dc2530161f7fea07fb7b2ddbd882107e12a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90c45f0ad70ec75bd71f5d225e077dc2530161f7fea07fb7b2ddbd882107e12a", kill_on_drop: false }`
[INFO] [stdout] 90c45f0ad70ec75bd71f5d225e077dc2530161f7fea07fb7b2ddbd882107e12a
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb9872fe519973ccafb8f5706f9c59cfab889ef95c5426659ed3cf9c0c44ae0a
[INFO] running `Command { std: "docker" "start" "-a" "fb9872fe519973ccafb8f5706f9c59cfab889ef95c5426659ed3cf9c0c44ae0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[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 indexmap v2.9.0
[INFO] [stderr]    Compiling prettyplease v0.2.32
[INFO] [stderr]    Compiling winnow v0.7.7
[INFO] [stderr]    Compiling phf_generator v0.11.3
[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 eyre v0.6.12
[INFO] [stderr]    Compiling dyn-clone v1.0.19
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling easy-cast v0.5.3
[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 colorgrad v0.6.2
[INFO] [stderr]    Compiling clap v4.5.37
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling toml_datetime v0.6.9
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[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 42.39s
[INFO] running `Command { std: "docker" "inspect" "fb9872fe519973ccafb8f5706f9c59cfab889ef95c5426659ed3cf9c0c44ae0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb9872fe519973ccafb8f5706f9c59cfab889ef95c5426659ed3cf9c0c44ae0a", kill_on_drop: false }`
[INFO] [stdout] fb9872fe519973ccafb8f5706f9c59cfab889ef95c5426659ed3cf9c0c44ae0a
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6699d3c065090231ca3ee8fadd9303fc6d4a04e44f2c2e50cf5a1c017a86525
[INFO] running `Command { std: "docker" "start" "-a" "c6699d3c065090231ca3ee8fadd9303fc6d4a04e44f2c2e50cf5a1c017a86525", 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 9.27s
[INFO] running `Command { std: "docker" "inspect" "c6699d3c065090231ca3ee8fadd9303fc6d4a04e44f2c2e50cf5a1c017a86525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6699d3c065090231ca3ee8fadd9303fc6d4a04e44f2c2e50cf5a1c017a86525", kill_on_drop: false }`
[INFO] [stdout] c6699d3c065090231ca3ee8fadd9303fc6d4a04e44f2c2e50cf5a1c017a86525
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8b6ee884911ab652dd3d0cde68128526fff8b71cacdfe31daaafefb8673ab414
[INFO] running `Command { std: "docker" "start" "-a" "8b6ee884911ab652dd3d0cde68128526fff8b71cacdfe31daaafefb8673ab414", 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 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/diol-bf5815c03c167655)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout]                                                                            
[INFO] [stdout]                              bench count ones                              
[INFO] [stdout]                                                                            
[INFO] [stdout]   benchmark          args     fastest      median        mean      stddev  
[INFO] [stdout]                                                                            
[INFO] [stdout] test tests::test_list ... ok
[INFO] [stdout]   naive loop            1    24.86 ns    31.76 ns    35.42 ns   111.61 ns  
[INFO] [stdout]   popcnt                1   559.38 ns   691.25 ns   717.57 ns   356.13 ns  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop           16   108.91 ns   143.28 ns   185.97 ns     1.95 µs  
[INFO] [stdout]   popcnt               16   646.25 ns   836.88 ns   880.47 ns     2.13 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop          128   704.38 ns   887.50 ns   967.73 ns     2.25 µs  
[INFO] [stdout]   popcnt              128     3.95 µs     4.64 µs     4.93 µs     8.12 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop          512     2.71 µs     3.52 µs     3.71 µs     2.05 µs  
[INFO] [stdout]   popcnt              512    19.50 µs    23.23 µs    24.61 µs    32.48 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop         1024     5.42 µs     7.17 µs     7.46 µs     3.53 µs  
[INFO] [stdout]   popcnt             1024    38.29 µs    43.42 µs    55.10 µs   147.47 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop         8192    46.20 µs    62.18 µs    73.19 µs   141.71 µs  
[INFO] [stdout]   popcnt             8192   294.19 µs   355.12 µs   400.76 µs   290.09 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop        16384    96.86 µs   117.51 µs   151.33 µs   243.14 µs  
[INFO] [stdout]   popcnt            16384   657.04 µs   712.72 µs   894.90 µs   531.81 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop       131072   850.52 µs   971.79 µs     1.17 ms   584.21 µs  
[INFO] [stdout]   popcnt           131072     5.31 ms     7.77 ms     7.44 ms     1.41 ms  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop       262144     1.71 ms     1.91 ms     2.51 ms   922.08 µs  
[INFO] [stdout]   popcnt           262144    11.64 ms    14.08 ms    14.12 ms     1.29 ms  
[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 2.31s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "8b6ee884911ab652dd3d0cde68128526fff8b71cacdfe31daaafefb8673ab414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b6ee884911ab652dd3d0cde68128526fff8b71cacdfe31daaafefb8673ab414", kill_on_drop: false }`
[INFO] [stdout] 8b6ee884911ab652dd3d0cde68128526fff8b71cacdfe31daaafefb8673ab414
