[INFO] fetching crate diol 0.8.3...
[INFO] testing diol-0.8.3 against 1.80.0 for beta-1.81-2
[INFO] extracting crate diol 0.8.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate diol 0.8.3 on toolchain 1.80.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.80.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate diol 0.8.3
[INFO] finished tweaking crates.io crate diol 0.8.3
[INFO] tweaked toml for crates.io crate diol 0.8.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate diol 0.8.3 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" "+1.80.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.80
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+1.80.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "c02e43a1a4be9e0ca058018726d782add798baeef33c629b64f23538cc049705", kill_on_drop: false }`
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[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.56s
[INFO] running `Command { std: "docker" "inspect" "875b54539ed9e1d5cdf3af0bc0ac0b0cb2dbabb4bfd321525d0abf251511541c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "875b54539ed9e1d5cdf3af0bc0ac0b0cb2dbabb4bfd321525d0abf251511541c", kill_on_drop: false }`
[INFO] [stdout] 875b54539ed9e1d5cdf3af0bc0ac0b0cb2dbabb4bfd321525d0abf251511541c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+1.80.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09f61209d0e0b0c45f44345db65860312b1a3cc2f20a9cedd59a10073f3c96f1
[INFO] running `Command { std: "docker" "start" "-a" "09f61209d0e0b0c45f44345db65860312b1a3cc2f20a9cedd59a10073f3c96f1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling diol v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.51s
[INFO] running `Command { std: "docker" "inspect" "09f61209d0e0b0c45f44345db65860312b1a3cc2f20a9cedd59a10073f3c96f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f61209d0e0b0c45f44345db65860312b1a3cc2f20a9cedd59a10073f3c96f1", kill_on_drop: false }`
[INFO] [stdout] 09f61209d0e0b0c45f44345db65860312b1a3cc2f20a9cedd59a10073f3c96f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+1.80.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ebec27e9391fa83946af16efe42f792270786b8b6041c70fe4f95ac2b6f2a474
[INFO] running `Command { std: "docker" "start" "-a" "ebec27e9391fa83946af16efe42f792270786b8b6041c70fe4f95ac2b6f2a474", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/diol-4f9cc5b2c24ae7c4)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_list ... ok
[INFO] [stdout] ╭────────────────┬────────┬───────────┬───────────┬───────────┬───────────╮
[INFO] [stdout] │ benchmark      │   args │   fastest │    median │      mean │    stddev │
[INFO] [stdout] ├────────────────┼────────┼───────────┼───────────┼───────────┼───────────┤
[INFO] [stdout] │ naive loop     │      1 │  25.43 ns │  31.02 ns │  30.97 ns │   3.06 ns │
[INFO] [stdout] │ popcnt         │      1 │ 440.00 ns │ 460.00 ns │ 462.86 ns │ 228.81 ns │
[INFO] [stdout] ├────────────────┼────────┼───────────┼───────────┼───────────┼───────────┤
[INFO] [stdout] │ naive loop     │     16 │ 123.12 ns │ 126.02 ns │ 128.14 ns │  10.53 ns │
[INFO] [stdout] │ popcnt         │     16 │ 513.12 ns │ 550.62 ns │ 554.55 ns │  54.40 ns │
[INFO] [stdout] ├────────────────┼────────┼───────────┼───────────┼───────────┼───────────┤
[INFO] [stdout] │ naive loop     │    128 │ 868.75 ns │ 871.88 ns │ 880.85 ns │  64.27 ns │
[INFO] [stdout] │ popcnt         │    128 │   3.04 µs │   3.10 µs │   3.13 µs │ 439.89 ns │
[INFO] [stdout] ├────────────────┼────────┼───────────┼───────────┼───────────┼───────────┤
[INFO] [stdout] │ naive loop     │    512 │   3.38 µs │   3.39 µs │   3.42 µs │ 238.61 ns │
[INFO] [stdout] │ popcnt         │    512 │  13.64 µs │  13.90 µs │  14.02 µs │ 912.62 ns │
[INFO] [stdout] ├────────────────┼────────┼───────────┼───────────┼───────────┼───────────┤
[INFO] [stdout] │ naive loop     │   1024 │   6.77 µs │   6.84 µs │   6.90 µs │ 434.73 ns │
[INFO] [stdout] │ popcnt         │   1024 │  26.07 µs │  26.47 µs │  26.73 µs │   1.43 µs │
[INFO] [stdout] ├────────────────┼────────┼───────────┼───────────┼───────────┼───────────┤
[INFO] [stdout] │ naive loop     │   8192 │  53.55 µs │  53.69 µs │  54.18 µs │   2.25 µs │
[INFO] [stdout] │ popcnt         │   8192 │ 208.87 µs │ 211.18 µs │ 212.55 µs │   4.51 µs │
[INFO] [stdout] ├────────────────┼────────┼───────────┼───────────┼───────────┼───────────┤
[INFO] [stdout] │ naive loop     │  16384 │ 107.29 µs │ 107.57 µs │ 108.46 µs │   3.67 µs │
[INFO] [stdout] │ popcnt         │  16384 │ 419.30 µs │ 424.93 µs │ 430.63 µs │  35.78 µs │
[INFO] [stdout] ├────────────────┼────────┼───────────┼───────────┼───────────┼───────────┤
[INFO] [stdout] │ naive loop     │ 131072 │ 858.58 µs │ 863.10 µs │ 866.44 µs │   7.86 µs │
[INFO] [stdout] │ popcnt         │ 131072 │   3.37 ms │   3.40 ms │   3.41 ms │  46.54 µs │
[INFO] [stdout] ├────────────────┼────────┼───────────┼───────────┼───────────┼───────────┤
[INFO] [stdout] │ naive loop     │ 262144 │   1.72 ms │   1.73 ms │   1.73 ms │  12.24 µs │
[INFO] [stdout] │ popcnt         │ 262144 │   6.78 ms │   6.80 ms │   6.80 ms │  10.69 µs │
[INFO] [stdout] ╰────────────────┴────────┴───────────┴───────────┴───────────┴───────────╯
[INFO] [stdout] test tests::test_bench ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.16s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests diol
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 15) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 15) stdout ----
[INFO] [stdout] error[E0277]: the trait bound `Result<diol::prelude::BenchConfig, std::io::Error>: AsRef<diol::prelude::BenchConfig>` is not satisfied
[INFO] [stdout]    --> src/lib.rs:20:32
[INFO] [stdout]     |
[INFO] [stdout] 7   |     let mut bench = Bench::new(BenchConfig::from_args());
[INFO] [stdout]     |                     ---------- ^^^^^^^^^^^^^^^^^^^^^^^^ the trait `AsRef<diol::prelude::BenchConfig>` is not implemented for `Result<diol::prelude::BenchConfig, std::io::Error>`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `diol::Bench::new`
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:659:29
[INFO] [stdout]     |
[INFO] [stdout] 659 |     pub fn new(config: impl AsRef<BenchConfig>) -> Self {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^ required by this bound in `Bench::new`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 15)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "ebec27e9391fa83946af16efe42f792270786b8b6041c70fe4f95ac2b6f2a474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebec27e9391fa83946af16efe42f792270786b8b6041c70fe4f95ac2b6f2a474", kill_on_drop: false }`
[INFO] [stdout] ebec27e9391fa83946af16efe42f792270786b8b6041c70fe4f95ac2b6f2a474