[INFO] fetching crate slice_ring_buf 0.3.2...
[INFO] testing slice_ring_buf-0.3.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate slice_ring_buf 0.3.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate slice_ring_buf 0.3.2
[INFO] finished tweaking crates.io crate slice_ring_buf 0.3.2
[INFO] tweaked toml for crates.io crate slice_ring_buf 0.3.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slice_ring_buf 0.3.2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate slice_ring_buf 0.3.2 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94db906ab5a61b5af50cafc7149848a92d1816b1e24c71bf6c541b47dba18555
[INFO] running `Command { std: "docker" "start" "-a" "94db906ab5a61b5af50cafc7149848a92d1816b1e24c71bf6c541b47dba18555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94db906ab5a61b5af50cafc7149848a92d1816b1e24c71bf6c541b47dba18555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94db906ab5a61b5af50cafc7149848a92d1816b1e24c71bf6c541b47dba18555", kill_on_drop: false }`
[INFO] [stdout] 94db906ab5a61b5af50cafc7149848a92d1816b1e24c71bf6c541b47dba18555
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 985fe5545ca4ecb73d3ffae92d4396a887a9b082a8d0173c5a0a126a9b8afd0b
[INFO] running `Command { std: "docker" "start" "-a" "985fe5545ca4ecb73d3ffae92d4396a887a9b082a8d0173c5a0a126a9b8afd0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice_ring_buf v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "985fe5545ca4ecb73d3ffae92d4396a887a9b082a8d0173c5a0a126a9b8afd0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "985fe5545ca4ecb73d3ffae92d4396a887a9b082a8d0173c5a0a126a9b8afd0b", kill_on_drop: false }`
[INFO] [stdout] 985fe5545ca4ecb73d3ffae92d4396a887a9b082a8d0173c5a0a126a9b8afd0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1933da91dc052f17b706dc5803434c449f5a316d61766374434b3028b8d55eb
[INFO] running `Command { std: "docker" "start" "-a" "d1933da91dc052f17b706dc5803434c449f5a316d61766374434b3028b8d55eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice_ring_buf v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "d1933da91dc052f17b706dc5803434c449f5a316d61766374434b3028b8d55eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1933da91dc052f17b706dc5803434c449f5a316d61766374434b3028b8d55eb", kill_on_drop: false }`
[INFO] [stdout] d1933da91dc052f17b706dc5803434c449f5a316d61766374434b3028b8d55eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7128ea57986340535e81b5604721aab24c8539ae02ca7bed16e080fa88c5f72b
[INFO] running `Command { std: "docker" "start" "-a" "7128ea57986340535e81b5604721aab24c8539ae02ca7bed16e080fa88c5f72b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slice_ring_buf-f5a4f1f8caeeff3d)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test owned::tests::slice_ring_buf_as_mut_slices ... ok
[INFO] [stdout] test owned::tests::slice_ring_buf_as_mut_slices_latest ... ok
[INFO] [stdout] test owned::tests::slice_ring_buf_as_slices ... ok
[INFO] [stdout] test owned::tests::slice_ring_buf_as_mut_slices_len ... ok
[INFO] [stdout] test owned::tests::slice_ring_buf_as_slices_len ... ok
[INFO] [stdout] test owned::tests::slice_ring_buf_constrain ... ok
[INFO] [stdout] test owned::tests::slice_ring_buf_index ... ok
[INFO] [stdout] test owned::tests::slice_ring_buf_initialize ... ok
[INFO] [stdout] test owned::tests::slice_ring_buf_initialize_uninit ... ok
[INFO] [stdout] test owned::tests::slice_ring_buf_read_into ... ok
[INFO] [stdout] test owned::tests::slice_ring_buf_write_latest ... ok
[INFO] [stdout] test owned::tests::slice_ring_buf_set_len_uninit ... ok
[INFO] [stdout] test owned::tests::slice_ring_buf_clear_set_len ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_as_mut_slices ... ok
[INFO] [stdout] test owned::tests::slice_ring_buf_write_latest_2 ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_as_mut_slices_latest ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_as_mut_slices_len ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_as_slices_latest ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_as_slices ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_constrain ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_as_slices_len ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_index ... ok
[INFO] [stdout] test owned::tests::slice_ring_buf_set_len ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_index_mut ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_read_into ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_initialize ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_write_latest ... ok
[INFO] [stdout] test referenced::tests::slice_ring_buf_ref_write_latest_2 ... ok
[INFO] [stdout] test owned::tests::slice_ring_buf_as_slices_latest ... ok
[INFO] [stdout] test owned::tests::slice_ring_buf_index_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slice_ring_buf
[INFO] [stdout] 
[INFO] [stdout] running 65 tests
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::as_slices (line 408) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::as_slices_len (line 453) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::as_slices_latest (line 501) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB (line 20) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::as_mut_slices_len (line 587) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::capacity (line 220) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::as_mut_slices_latest (line 635) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::clear_set_len (line 939) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::from_vec (line 72) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::as_mut_slices (line 542) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::new (line 846) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::new_exact (line 877) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::constrain_and_get (line 781) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::constrain (line 251) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::constrain_and_get_mut (line 818) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::get (line 715) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::new_exact_uninit (line 133) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::len (line 199) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::raw_data (line 665) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::get_mut (line 748) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::new_uninit (line 98) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::raw_data_mut (line 686) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::reserve (line 322) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::read_into (line 1020) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::set_len_uninit (line 280) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::reserve_exact (line 352) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::with_capacity (line 912) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::with_capacity_uninit (line 171) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::set_len (line 977) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::shrink_to_fit (line 377) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::write_latest_2 (line 1106) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef<'a,T>::as_slices (line 165) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef<'a,T>::as_slices_len (line 204) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef<'a,T>::constrain_and_get (line 320) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef (line 23) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef<'a,T>::constrain (line 135) ... ok
[INFO] [stdout] test src/owned.rs - owned::SliceRB<T>::write_latest (line 1061) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef<'a,T>::get (line 293) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef<'a,T>::as_slices_latest (line 246) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRefMut (line 389) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef<'a,T>::new_unchecked (line 76) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef<'a,T>::read_into (line 352) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef<'a,T>::new (line 45) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef<'a,T>::raw_data (line 270) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRef<'a,T>::len (line 105) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRefMut<'a,T>::as_mut_slices (line 646) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRefMut<'a,T>::as_mut_slices_latest (line 727) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRefMut<'a,T>::as_slices (line 530) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRefMut<'a,T>::constrain_and_get (line 845) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRefMut<'a,T>::get (line 791) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRefMut<'a,T>::get_mut (line 816) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRefMut<'a,T>::as_mut_slices_len (line 685) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRefMut<'a,T>::constrain_and_get_mut (line 874) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRefMut<'a,T>::constrain (line 500) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRefMut<'a,T>::as_slices_latest (line 611) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRefMut<'a,T>::as_slices_len (line 569) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRefMut<'a,T>::read_into (line 908) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRefMut<'a,T>::len (line 472) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRefMut<'a,T>::raw_data (line 751) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRefMut<'a,T>::new (line 412) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRefMut<'a,T>::raw_data_mut (line 768) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRefMut<'a,T>::new_unchecked (line 443) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRefMut<'a,T>::write_latest_2 (line 986) ... ok
[INFO] [stdout] test src/referenced.rs - referenced::SliceRbRefMut<'a,T>::write_latest (line 943) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 65 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7128ea57986340535e81b5604721aab24c8539ae02ca7bed16e080fa88c5f72b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7128ea57986340535e81b5604721aab24c8539ae02ca7bed16e080fa88c5f72b", kill_on_drop: false }`
[INFO] [stdout] 7128ea57986340535e81b5604721aab24c8539ae02ca7bed16e080fa88c5f72b
