[INFO] fetching crate unthbuf 1.0.0...
[INFO] testing unthbuf-1.0.0 against beta-2025-09-21 for beta-1.91-2
[INFO] extracting crate unthbuf 1.0.0 into /workspace/builds/worker-0-tc2/source
[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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unthbuf 1.0.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8aaf205c7cb955d367e9570072eb17460a01297065204b3c185dfd788d93889d
[INFO] running `Command { std: "docker" "start" "-a" "8aaf205c7cb955d367e9570072eb17460a01297065204b3c185dfd788d93889d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8aaf205c7cb955d367e9570072eb17460a01297065204b3c185dfd788d93889d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aaf205c7cb955d367e9570072eb17460a01297065204b3c185dfd788d93889d", kill_on_drop: false }`
[INFO] [stdout] 8aaf205c7cb955d367e9570072eb17460a01297065204b3c185dfd788d93889d
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50013f68db0770dd280c74904a54f629d05d8bbd28a7e0af253d995096e4bdb9
[INFO] running `Command { std: "docker" "start" "-a" "50013f68db0770dd280c74904a54f629d05d8bbd28a7e0af253d995096e4bdb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling unthbuf v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/iter.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn iter(&self) -> UnthBufIter<CL> {
[INFO] [stdout]   |                 ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 the lifetime is elided here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn iter(&self) -> UnthBufIter<'_, CL> {
[INFO] [stdout]   |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "50013f68db0770dd280c74904a54f629d05d8bbd28a7e0af253d995096e4bdb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50013f68db0770dd280c74904a54f629d05d8bbd28a7e0af253d995096e4bdb9", kill_on_drop: false }`
[INFO] [stdout] 50013f68db0770dd280c74904a54f629d05d8bbd28a7e0af253d995096e4bdb9
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 840290b1c04d4c3c6d0014d55c064432568cd67ee339862f097a18dd91dcfd9f
[INFO] running `Command { std: "docker" "start" "-a" "840290b1c04d4c3c6d0014d55c064432568cd67ee339862f097a18dd91dcfd9f", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/iter.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn iter(&self) -> UnthBufIter<CL> {
[INFO] [stdout]   |                 ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 the lifetime is elided here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn iter(&self) -> UnthBufIter<'_, CL> {
[INFO] [stdout]   |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.2.16
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/iter.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn iter(&self) -> UnthBufIter<CL> {
[INFO] [stdout]   |                 ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 the lifetime is elided here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn iter(&self) -> UnthBufIter<'_, CL> {
[INFO] [stdout]   |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "840290b1c04d4c3c6d0014d55c064432568cd67ee339862f097a18dd91dcfd9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "840290b1c04d4c3c6d0014d55c064432568cd67ee339862f097a18dd91dcfd9f", kill_on_drop: false }`
[INFO] [stdout] 840290b1c04d4c3c6d0014d55c064432568cd67ee339862f097a18dd91dcfd9f
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c57ce4c6f5e8b3d42fcf45d7a201a9a20d8a8d622f39c9cde28c6e23ba9deca6
[INFO] running `Command { std: "docker" "start" "-a" "c57ce4c6f5e8b3d42fcf45d7a201a9a20d8a8d622f39c9cde28c6e23ba9deca6", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]  --> src/iter.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn iter(&self) -> UnthBufIter<CL> {
[INFO] [stderr]   |                 ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 the lifetime is elided here
[INFO] [stderr]   |
[INFO] [stderr]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn iter(&self) -> UnthBufIter<'_, CL> {
[INFO] [stderr]   |                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: `unthbuf` (lib) generated 1 warning (run `cargo fix --lib -p unthbuf` to apply 1 suggestion)
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `unthbuf` (lib test) generated 4 warnings (1 duplicate) (run `cargo fix --lib -p unthbuf --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unthbuf-ba9995c59499bb35)
[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] [stderr]    Doc-tests unthbuf
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 5 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[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 `NonZero<u8>`
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             expected `NonZero<u8>`, 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(4096, Bits::new(5).unwrap());
[INFO] [stdout]   6 + let mut buf = UnthBuf::<AlignedLayout>::new(Bits::new(5).unwrap(), 4096);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c57ce4c6f5e8b3d42fcf45d7a201a9a20d8a8d622f39c9cde28c6e23ba9deca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57ce4c6f5e8b3d42fcf45d7a201a9a20d8a8d622f39c9cde28c6e23ba9deca6", kill_on_drop: false }`
[INFO] [stdout] c57ce4c6f5e8b3d42fcf45d7a201a9a20d8a8d622f39c9cde28c6e23ba9deca6
