[INFO] fetching crate diol 0.13.1...
[INFO] testing diol-0.13.1 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate diol 0.13.1 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate diol 0.13.1 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 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7190e5efffff33d77a47a54667e789c19c6f5ff76b23c66567958dc9cafb5dd5
[INFO] running `Command { std: "docker" "start" "-a" "7190e5efffff33d77a47a54667e789c19c6f5ff76b23c66567958dc9cafb5dd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7190e5efffff33d77a47a54667e789c19c6f5ff76b23c66567958dc9cafb5dd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7190e5efffff33d77a47a54667e789c19c6f5ff76b23c66567958dc9cafb5dd5", kill_on_drop: false }`
[INFO] [stdout] 7190e5efffff33d77a47a54667e789c19c6f5ff76b23c66567958dc9cafb5dd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9fdf2bd29dedb14c62d0f98736cd66c2ea6c1c30dc31097bbfbbd213b311b259
[INFO] running `Command { std: "docker" "start" "-a" "9fdf2bd29dedb14c62d0f98736cd66c2ea6c1c30dc31097bbfbbd213b311b259", 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 proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libm v0.2.13
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling toml_write v0.1.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling winnow v0.7.7
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling prettyplease v0.2.32
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling float-ord v0.3.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling dyn-clone v1.0.19
[INFO] [stderr]    Compiling clap_builder v4.5.37
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling syn v2.0.101
[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 equator-macro v0.2.1
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling csscolorparser v0.6.2
[INFO] [stderr]    Compiling equator v0.2.2
[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 v1.0.219
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_datetime v0.6.9
[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 32.89s
[INFO] running `Command { std: "docker" "inspect" "9fdf2bd29dedb14c62d0f98736cd66c2ea6c1c30dc31097bbfbbd213b311b259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fdf2bd29dedb14c62d0f98736cd66c2ea6c1c30dc31097bbfbbd213b311b259", kill_on_drop: false }`
[INFO] [stdout] 9fdf2bd29dedb14c62d0f98736cd66c2ea6c1c30dc31097bbfbbd213b311b259
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a590dc915846738318d04cc973ff433285894ed438db0342990204bebcfa193e
[INFO] running `Command { std: "docker" "start" "-a" "a590dc915846738318d04cc973ff433285894ed438db0342990204bebcfa193e", 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 7.57s
[INFO] running `Command { std: "docker" "inspect" "a590dc915846738318d04cc973ff433285894ed438db0342990204bebcfa193e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a590dc915846738318d04cc973ff433285894ed438db0342990204bebcfa193e", kill_on_drop: false }`
[INFO] [stdout] a590dc915846738318d04cc973ff433285894ed438db0342990204bebcfa193e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6a063fc7fd6f300bc2a2c9a9f01c25caa920c3d3880c4709b932fd4f6b644d51
[INFO] running `Command { std: "docker" "start" "-a" "6a063fc7fd6f300bc2a2c9a9f01c25caa920c3d3880c4709b932fd4f6b644d51", 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] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/diol-bf5815c03c167655)
[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    27.70 ns    33.28 ns    56.66 ns   406.32 ns  
[INFO] [stdout]   popcnt                1   613.12 ns   745.69 ns   896.40 ns     3.54 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop           16   111.33 ns   133.51 ns   147.81 ns    91.00 ns  
[INFO] [stdout]   popcnt               16   872.50 ns     1.03 µs     1.15 µs     1.49 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop          128   739.31 ns   907.50 ns     1.01 µs   704.43 ns  
[INFO] [stdout]   popcnt              128     4.44 µs     5.29 µs     5.85 µs     6.53 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop          512     2.99 µs     3.73 µs     4.07 µs     2.63 µs  
[INFO] [stdout]   popcnt              512    21.80 µs    25.93 µs    28.47 µs    14.26 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop         1024     5.87 µs     7.22 µs     7.84 µs     4.99 µs  
[INFO] [stdout]   popcnt             1024    41.37 µs    48.32 µs    53.51 µs    43.10 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop         8192    51.03 µs    59.66 µs    95.45 µs   321.44 µs  
[INFO] [stdout]   popcnt             8192   359.80 µs   403.26 µs   677.81 µs   871.50 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop        16384   105.52 µs   123.94 µs   208.41 µs   464.47 µs  
[INFO] [stdout]   popcnt            16384   594.57 µs   793.10 µs   825.00 µs   278.97 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop       131072   890.15 µs   985.78 µs     1.01 ms   204.87 µs  
[INFO] [stdout]   popcnt           131072     5.71 ms     6.25 ms     6.20 ms   172.79 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop       262144     1.85 ms     1.91 ms     1.95 ms   277.66 µs  
[INFO] [stdout]   popcnt           262144    13.30 ms    13.74 ms    14.26 ms   993.42 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 2.40s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "6a063fc7fd6f300bc2a2c9a9f01c25caa920c3d3880c4709b932fd4f6b644d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a063fc7fd6f300bc2a2c9a9f01c25caa920c3d3880c4709b932fd4f6b644d51", kill_on_drop: false }`
[INFO] [stdout] 6a063fc7fd6f300bc2a2c9a9f01c25caa920c3d3880c4709b932fd4f6b644d51
