[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-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarah-ek%2Fdiol" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sarah-ek/diol on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94111982c2e6c5e411c3b1c529c8a05eb732a4b9eabeecb619f6bf3a88477eb3
[INFO] running `Command { std: "docker" "start" "-a" "94111982c2e6c5e411c3b1c529c8a05eb732a4b9eabeecb619f6bf3a88477eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94111982c2e6c5e411c3b1c529c8a05eb732a4b9eabeecb619f6bf3a88477eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94111982c2e6c5e411c3b1c529c8a05eb732a4b9eabeecb619f6bf3a88477eb3", kill_on_drop: false }`
[INFO] [stdout] 94111982c2e6c5e411c3b1c529c8a05eb732a4b9eabeecb619f6bf3a88477eb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af65ff70ff97f803874121c4d2b76a010e9053e70dee733417e936b829bdc67c
[INFO] running `Command { std: "docker" "start" "-a" "af65ff70ff97f803874121c4d2b76a010e9053e70dee733417e936b829bdc67c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling libm v0.2.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling memchr v2.7.4
[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 anstyle v1.0.10
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling toml_write v0.1.1
[INFO] [stderr]    Compiling winnow v0.7.7
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling prettyplease v0.2.32
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling clap_builder v4.5.37
[INFO] [stderr]    Compiling easy-cast v0.5.3
[INFO] [stderr]    Compiling float-ord v0.3.2
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling average v0.16.0
[INFO] [stderr]    Compiling dyn-clone v1.0.19
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]    Compiling equator-macro v0.2.1
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]    Compiling equator v0.2.2
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling csscolorparser v0.6.2
[INFO] [stderr]    Compiling colorgrad v0.6.2
[INFO] [stderr]    Compiling regex v1.11.1
[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 45.28s
[INFO] running `Command { std: "docker" "inspect" "af65ff70ff97f803874121c4d2b76a010e9053e70dee733417e936b829bdc67c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af65ff70ff97f803874121c4d2b76a010e9053e70dee733417e936b829bdc67c", kill_on_drop: false }`
[INFO] [stdout] af65ff70ff97f803874121c4d2b76a010e9053e70dee733417e936b829bdc67c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7956c5b9fd3d9a4d63f2200d14fd8e0430bbacaed9b99206fd4b805551ad9250
[INFO] running `Command { std: "docker" "start" "-a" "7956c5b9fd3d9a4d63f2200d14fd8e0430bbacaed9b99206fd4b805551ad9250", 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 pulp v0.18.22
[INFO] [stderr]    Compiling diol v0.13.1 (/opt/rustwide/workdir)
[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 9.81s
[INFO] running `Command { std: "docker" "inspect" "7956c5b9fd3d9a4d63f2200d14fd8e0430bbacaed9b99206fd4b805551ad9250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7956c5b9fd3d9a4d63f2200d14fd8e0430bbacaed9b99206fd4b805551ad9250", kill_on_drop: false }`
[INFO] [stdout] 7956c5b9fd3d9a4d63f2200d14fd8e0430bbacaed9b99206fd4b805551ad9250
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ed354381a63dd26746d9bab307105d18919372b052c16a460ffe2dfd1c135d7e
[INFO] running `Command { std: "docker" "start" "-a" "ed354381a63dd26746d9bab307105d18919372b052c16a460ffe2dfd1c135d7e", 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 0.22s
[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    24.00 ns    31.27 ns    31.56 ns     5.55 ns  
[INFO] [stdout]   popcnt                1   616.88 ns   749.38 ns   763.78 ns   133.34 ns  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop           16   100.31 ns   127.42 ns   155.19 ns   650.93 ns  
[INFO] [stdout]   popcnt               16   730.00 ns   890.62 ns     1.36 µs     9.18 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop          128   699.38 ns   893.12 ns     1.16 µs     5.90 µs  
[INFO] [stdout]   popcnt              128     4.14 µs     5.10 µs     7.36 µs    76.13 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop          512     2.77 µs     3.25 µs     4.28 µs    24.78 µs  
[INFO] [stdout]   popcnt              512    19.49 µs    23.20 µs    28.11 µs    93.18 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop         1024     5.48 µs     6.67 µs     7.41 µs    21.25 µs  
[INFO] [stdout]   popcnt             1024    37.44 µs    43.44 µs    50.57 µs   122.11 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop         8192    44.26 µs    52.55 µs    60.30 µs   132.47 µs  
[INFO] [stdout]   popcnt             8192   321.36 µs   350.77 µs   353.21 µs    23.68 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop        16384    91.85 µs   107.13 µs   129.59 µs   183.40 µs  
[INFO] [stdout]   popcnt            16384   664.43 µs   714.42 µs   819.81 µs   448.28 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop       131072   786.76 µs   855.28 µs   969.15 µs   423.51 µs  
[INFO] [stdout]   popcnt           131072     5.59 ms     7.56 ms     7.40 ms     2.03 ms  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop       262144     1.64 ms     1.78 ms     2.16 ms   754.73 µs  
[INFO] [stdout]   popcnt           262144    12.39 ms    16.41 ms    16.05 ms     2.99 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 2.25s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "ed354381a63dd26746d9bab307105d18919372b052c16a460ffe2dfd1c135d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed354381a63dd26746d9bab307105d18919372b052c16a460ffe2dfd1c135d7e", kill_on_drop: false }`
[INFO] [stdout] ed354381a63dd26746d9bab307105d18919372b052c16a460ffe2dfd1c135d7e
