[INFO] fetching crate unthbuf 1.0.0...
[INFO] testing unthbuf-1.0.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate unthbuf 1.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate unthbuf 1.0.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unthbuf 1.0.0
[INFO] finished tweaking crates.io crate unthbuf 1.0.0
[INFO] tweaked toml for crates.io crate unthbuf 1.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee5a17bf97a1015ec41ae3e9be4ca057ae62679111830c693e313d435ae8f205
[INFO] running `Command { std: "docker" "start" "-a" "ee5a17bf97a1015ec41ae3e9be4ca057ae62679111830c693e313d435ae8f205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee5a17bf97a1015ec41ae3e9be4ca057ae62679111830c693e313d435ae8f205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee5a17bf97a1015ec41ae3e9be4ca057ae62679111830c693e313d435ae8f205", kill_on_drop: false }`
[INFO] [stdout] ee5a17bf97a1015ec41ae3e9be4ca057ae62679111830c693e313d435ae8f205
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08eb0876ac9e8cb0e6ac8be5c0642787fb328a1262db8997c577b3d8cc7bf65c
[INFO] running `Command { std: "docker" "start" "-a" "08eb0876ac9e8cb0e6ac8be5c0642787fb328a1262db8997c577b3d8cc7bf65c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unthbuf v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "08eb0876ac9e8cb0e6ac8be5c0642787fb328a1262db8997c577b3d8cc7bf65c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08eb0876ac9e8cb0e6ac8be5c0642787fb328a1262db8997c577b3d8cc7bf65c", kill_on_drop: false }`
[INFO] [stdout] 08eb0876ac9e8cb0e6ac8be5c0642787fb328a1262db8997c577b3d8cc7bf65c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5d56d777ef2ffcbe7bd4a027a9033599c8339bb6ca105374b0e50ab51e46e3f
[INFO] running `Command { std: "docker" "start" "-a" "f5d56d777ef2ffcbe7bd4a027a9033599c8339bb6ca105374b0e50ab51e46e3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling unthbuf v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]    --> src/tests.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |     use rand::prelude::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/tests.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn test_indices(rng: &mut rand::prelude::StdRng) -> Vec<usize> {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tests.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let mut indices: Vec<usize> = (0..ITERATIONS).collect();
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "f5d56d777ef2ffcbe7bd4a027a9033599c8339bb6ca105374b0e50ab51e46e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5d56d777ef2ffcbe7bd4a027a9033599c8339bb6ca105374b0e50ab51e46e3f", kill_on_drop: false }`
[INFO] [stdout] f5d56d777ef2ffcbe7bd4a027a9033599c8339bb6ca105374b0e50ab51e46e3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7821cce2842eaf562114641d71285e52756a1032e36f927beb02fcde3fc2fe3b
[INFO] running `Command { std: "docker" "start" "-a" "7821cce2842eaf562114641d71285e52756a1032e36f927beb02fcde3fc2fe3b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `rand::prelude::*`
[INFO] [stderr]    --> src/tests.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |     use rand::prelude::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]    --> src/tests.rs:125:17
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn test_indices(rng: &mut rand::prelude::StdRng) -> Vec<usize> {
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tests.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |     let mut indices: Vec<usize> = (0..ITERATIONS).collect();
[INFO] [stderr]     |         ----^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `unthbuf` (lib test) generated 3 warnings (run `cargo fix --lib -p unthbuf --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unthbuf-83f3961e87006166)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::aligned_location_of ... ignored, simply prints all valid indices
[INFO] [stdout] test tests::bench_io_aligned ... ignored, benchmark
[INFO] [stdout] test tests::bench_io_baseline ... ignored, benchmark
[INFO] [stdout] test tests::bench_io_unaligned ... ignored, benchmark
[INFO] [stdout] test tests::packed_location_of ... ignored, simply prints all valid indices
[INFO] [stdout] test tests::aligned_setget ... ok
[INFO] [stdout] test tests::unaligned_setget ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 5 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unthbuf
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 8) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 8) stdout ----
[INFO] [stdout] error[E0308]: arguments to this function are incorrect
[INFO] [stdout]    --> src/lib.rs:11:15
[INFO] [stdout]     |
[INFO] [stdout] 6   | let mut buf = UnthBuf::<AlignedLayout>::new(4096, Bits::new(5).unwrap());
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ----  --------------------- expected `usize`, found `NonZeroU8`
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             expected `NonZeroU8`, found `{integer}`
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:140:12
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn new(bits: Bits, capacity: usize) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] help: swap these arguments
[INFO] [stdout]     |
[INFO] [stdout] 6   | let mut buf = UnthBuf::<AlignedLayout>::new(Bits::new(5).unwrap(), 4096);
[INFO] [stdout]     |                                            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "7821cce2842eaf562114641d71285e52756a1032e36f927beb02fcde3fc2fe3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7821cce2842eaf562114641d71285e52756a1032e36f927beb02fcde3fc2fe3b", kill_on_drop: false }`
[INFO] [stdout] 7821cce2842eaf562114641d71285e52756a1032e36f927beb02fcde3fc2fe3b
