[INFO] fetching crate diol 0.13.1...
[INFO] testing diol-0.13.1 against 1.97.0-beta.6 for beta-1.98-1
[INFO] extracting crate diol 0.13.1 into /workspace/builds/worker-7-tc1/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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate diol 0.13.1 on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "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" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1d32aa613ce434cde5d42175b67a819edbc7a0a77ffdf3ac9a73acb17e68d781
[INFO] running `Command { std: "docker" "start" "1d32aa613ce434cde5d42175b67a819edbc7a0a77ffdf3ac9a73acb17e68d781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d32aa613ce434cde5d42175b67a819edbc7a0a77ffdf3ac9a73acb17e68d781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1d32aa613ce434cde5d42175b67a819edbc7a0a77ffdf3ac9a73acb17e68d781" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d32aa613ce434cde5d42175b67a819edbc7a0a77ffdf3ac9a73acb17e68d781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1d32aa613ce434cde5d42175b67a819edbc7a0a77ffdf3ac9a73acb17e68d781" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.18
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[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 40.90s
[INFO] running `Command { std: "docker" "inspect" "1d32aa613ce434cde5d42175b67a819edbc7a0a77ffdf3ac9a73acb17e68d781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1d32aa613ce434cde5d42175b67a819edbc7a0a77ffdf3ac9a73acb17e68d781" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
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[INFO] [stderr]    Compiling diol v0.13.1 (/opt/rustwide/workdir)
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[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 8.92s
[INFO] running `Command { std: "docker" "inspect" "1d32aa613ce434cde5d42175b67a819edbc7a0a77ffdf3ac9a73acb17e68d781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1d32aa613ce434cde5d42175b67a819edbc7a0a77ffdf3ac9a73acb17e68d781" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen", 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 0.28s
[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    24.90 ns    33.07 ns    50.20 ns   361.42 ns  
[INFO] [stdout]   popcnt                1   540.00 ns   700.00 ns   756.99 ns     4.54 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop           16   116.79 ns   151.64 ns   155.46 ns    39.04 ns  
[INFO] [stdout]   popcnt               16   740.00 ns   955.56 ns   997.41 ns   439.18 ns  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop          128   634.38 ns   969.38 ns     1.04 µs     2.00 µs  
[INFO] [stdout]   popcnt              128     5.05 µs     8.10 µs    13.49 µs   125.67 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop          512     2.52 µs     3.91 µs     4.43 µs     6.03 µs  
[INFO] [stdout]   popcnt              512    20.57 µs    24.78 µs    27.43 µs    48.31 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop         1024     5.50 µs     7.62 µs     8.29 µs    22.04 µs  
[INFO] [stdout]   popcnt             1024    37.20 µs    44.45 µs    48.85 µs    77.76 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop         8192    45.48 µs    63.48 µs    63.61 µs     5.83 µs  
[INFO] [stdout]   popcnt             8192   355.99 µs   370.26 µs   374.83 µs    13.11 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop        16384   117.26 µs   129.32 µs   138.65 µs    38.86 µs  
[INFO] [stdout]   popcnt            16384   648.32 µs   777.35 µs   792.91 µs   101.36 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop       131072   662.12 µs     1.06 ms     1.03 ms   120.18 µs  
[INFO] [stdout]   popcnt           131072     4.90 ms     6.50 ms     6.64 ms   814.95 µs  
[INFO] [stdout]                                                                            
[INFO] [stdout]   naive loop       262144     1.31 ms     1.45 ms     1.62 ms   355.45 µs  
[INFO] [stdout]   popcnt           262144     7.70 ms     8.22 ms     8.51 ms     1.13 ms  
[INFO] [stdout] test tests::test_bench ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[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 2.71s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1d32aa613ce434cde5d42175b67a819edbc7a0a77ffdf3ac9a73acb17e68d781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d32aa613ce434cde5d42175b67a819edbc7a0a77ffdf3ac9a73acb17e68d781", kill_on_drop: false }`
[INFO] [stdout] 1d32aa613ce434cde5d42175b67a819edbc7a0a77ffdf3ac9a73acb17e68d781
