[INFO] fetching crate tomb 0.2.0...
[INFO] testing tomb-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tomb 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate tomb 0.2.0
[INFO] finished tweaking crates.io crate tomb 0.2.0
[INFO] tweaked toml for crates.io crate tomb 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tomb 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] [stderr]       Adding fastrand v1.9.0 (available: v2.4.1)
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ac5faa1b1d69b41ad42038381f819e0033a05d06714634a0bd0c867f75b46166
[INFO] running `Command { std: "docker" "start" "-a" "ac5faa1b1d69b41ad42038381f819e0033a05d06714634a0bd0c867f75b46166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac5faa1b1d69b41ad42038381f819e0033a05d06714634a0bd0c867f75b46166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac5faa1b1d69b41ad42038381f819e0033a05d06714634a0bd0c867f75b46166", kill_on_drop: false }`
[INFO] [stdout] ac5faa1b1d69b41ad42038381f819e0033a05d06714634a0bd0c867f75b46166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 654b82e1c17bbf72e8f8d70adbd7ee8ca01745be1528e1cc31f561c3e7b0acce
[INFO] running `Command { std: "docker" "start" "-a" "654b82e1c17bbf72e8f8d70adbd7ee8ca01745be1528e1cc31f561c3e7b0acce", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling tomb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/items/dice/numeric.rs:270:5
[INFO] [stdout]     |
[INFO] [stdout] 270 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "654b82e1c17bbf72e8f8d70adbd7ee8ca01745be1528e1cc31f561c3e7b0acce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "654b82e1c17bbf72e8f8d70adbd7ee8ca01745be1528e1cc31f561c3e7b0acce", kill_on_drop: false }`
[INFO] [stdout] 654b82e1c17bbf72e8f8d70adbd7ee8ca01745be1528e1cc31f561c3e7b0acce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9bae43643275b39786030dd598c8cd5fe2ecfa15f7ca529e8ab17e090787b90d
[INFO] running `Command { std: "docker" "start" "-a" "9bae43643275b39786030dd598c8cd5fe2ecfa15f7ca529e8ab17e090787b90d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tomb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/items/dice/numeric.rs:270:5
[INFO] [stdout]     |
[INFO] [stdout] 270 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/items/dice/numeric.rs:270:5
[INFO] [stdout]     |
[INFO] [stdout] 270 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "9bae43643275b39786030dd598c8cd5fe2ecfa15f7ca529e8ab17e090787b90d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bae43643275b39786030dd598c8cd5fe2ecfa15f7ca529e8ab17e090787b90d", kill_on_drop: false }`
[INFO] [stdout] 9bae43643275b39786030dd598c8cd5fe2ecfa15f7ca529e8ab17e090787b90d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0a4da8aa4a7bf401b3f4daf66f8ef12691308e97c44478a1a507d29514be5481
[INFO] running `Command { std: "docker" "start" "-a" "0a4da8aa4a7bf401b3f4daf66f8ef12691308e97c44478a1a507d29514be5481", kill_on_drop: false }`
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]    --> src/items/dice/numeric.rs:270:5
[INFO] [stderr]     |
[INFO] [stderr] 270 |     #[must_use]
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tomb` (lib) generated 1 warning (run `cargo fix --lib -p tomb` to apply 1 suggestion)
[INFO] [stderr] warning: `tomb` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tomb-467cd35c8d6aab5b)
[INFO] [stdout] 
[INFO] [stdout] running 61 tests
[INFO] [stdout] test items::dice::numeric::tests::numeric_die_is_debug ... ok
[INFO] [stdout] test items::dice::numeric::tests::numeric_die_is_default ... ok
[INFO] [stdout] test items::dice::numeric::tests::numeric_die_is_eq ... ok
[INFO] [stdout] test items::dice::numeric::tests::numeric_die_is_clone ... ok
[INFO] [stdout] test items::dice::numeric::tests::numeric_die_rotate_back_mut ... ok
[INFO] [stdout] test items::dice::numeric::tests::numeric_die_rotate_mut_none ... ok
[INFO] [stdout] test items::dice::numeric::tests::numeric_die_rotate_next ... ok
[INFO] [stdout] test items::dice::numeric::tests::numeric_die_rotate_next_mut ... ok
[INFO] [stdout] test items::dice::numeric::tests::numeric_die_rotate_next_mut_wrap ... ok
[INFO] [stdout] test items::dice::numeric::tests::numeric_die_rotate_back ... ok
[INFO] [stdout] test items::dice::numeric::tests::numeric_die_rotate_next_wrap ... ok
[INFO] [stdout] test items::dice::numeric::tests::numeric_die_rotate_none ... ok
[INFO] [stdout] test items::dice::numeric::tests::numeric_die_step_back_mut_wrap ... ok
[INFO] [stdout] test items::dice::numeric::tests::numeric_die_step_next_mut_wrap ... ok
[INFO] [stdout] test items::dice::slice::tests::numeric_die_rotate_back ... ok
[INFO] [stdout] test items::dice::numeric::tests::numeric_die_step_back ... ok
[INFO] [stdout] test items::dice::numeric::tests::numeric_die_step_next_wrap ... ok
[INFO] [stdout] test items::dice::numeric::tests::numeric_die_step_next_mut ... ok
[INFO] [stdout] test items::dice::numeric::tests::numeric_die_step_back_wrap ... ok
[INFO] [stdout] test items::dice::numeric::tests::numeric_die_step_next ... ok
[INFO] [stdout] test items::dice::numeric::tests::numeric_die_rotate_back_wrap ... ok
[INFO] [stdout] test items::dice::numeric::tests::numeric_die_step_back_mut ... ok
[INFO] [stdout] test items::dice::slice::tests::numeric_die_rotate_next_mut_wrap ... ok
[INFO] [stdout] test items::dice::slice::tests::numeric_die_rotate_next_wrap ... ok
[INFO] [stdout] test items::dice::slice::tests::numeric_die_rotate_back_mut ... ok
[INFO] [stdout] test items::dice::slice::tests::numeric_die_rotate_back_mut_wrap ... ok
[INFO] [stdout] test items::dice::slice::tests::slice_back_wrap ... ok
[INFO] [stdout] test items::dice::slice::tests::numeric_die_rotate_back_wrap ... ok
[INFO] [stdout] test items::dice::slice::tests::slice_back ... ok
[INFO] [stdout] test items::dice::slice::tests::numeric_die_rotate_next_mut ... ok
[INFO] [stdout] test items::dice::slice::tests::slice_back_mut_wrap ... ok
[INFO] [stdout] test items::dice::slice::tests::slice_back_mut ... ok
[INFO] [stdout] test items::dice::slice::tests::slice_next ... ok
[INFO] [stdout] test items::dice::slice::tests::slice_from ... ok
[INFO] [stdout] test items::dice::slice::tests::slice_new_ok ... ok
[INFO] [stdout] test items::dice::slice::tests::slice_next_mut ... ok
[INFO] [stdout] test items::dice::slice::tests::slice_next_mut_wrap ... ok
[INFO] [stdout] test items::dice::slice::tests::slice_next_wrap ... ok
[INFO] [stdout] test items::dice::slice::tests::slice_rotate_next ... ok
[INFO] [stdout] test items::dice::slice::tests::slice_rotate_mut_none ... ok
[INFO] [stdout] test items::roller::tests::nop_roller_mut_no_changes ... ok
[INFO] [stdout] test items::dice::slice::tests::slice_sides ... ok
[INFO] [stdout] test items::roller::tests::nop_roller_no_changes ... ok
[INFO] [stdout] test items::dice::slice::tests::slice_polyhedral_sides ... ok
[INFO] [stdout] test items::roller::tests::rng_roller_new_and_clone ... ok
[INFO] [stdout] test items::tests::roll ... ok
[INFO] [stdout] test items::tests::roll_mut ... ok
[INFO] [stdout] test items::dice::slice::tests::slice_rotate_none ... ok
[INFO] [stdout] test traits::rotate::tests::rotate_impl_backwards ... ok
[INFO] [stdout] test traits::rotate::tests::rotate_impl_none ... ok
[INFO] [stdout] test traits::rotate::tests::rotate_impl_forwards ... ok
[INFO] [stdout] test traits::rotate::tests::rotate_mut_impl_backwards ... ok
[INFO] [stdout] test traits::rotate::tests::rotate_mut_impl_forwards ... ok
[INFO] [stdout] test traits::rotate::tests::rotate_mut_impl_none ... ok
[INFO] [stdout] test items::roller::tests::nop_roller_default ... ok
[INFO] [stdout] test items::roller::tests::nop_roller_new_and_clone ... ok
[INFO] [stdout] test items::roller::tests::rng_roller_default ... ok
[INFO] [stdout] test items::dice::numeric::tests::numeric_die_from_out_of_bounds_maximum - should panic ... ok
[INFO] [stdout] test items::dice::numeric::tests::numeric_die_from_out_of_bounds_minimum - should panic ... ok
[INFO] [stdout] test items::dice::slice::tests::slice_new_empty - should panic ... ok
[INFO] [stdout] test items::dice::numeric::tests::numeric_die_rotate_back_mut_wrap ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 61 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tomb
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/items/dice/numeric.rs - items::dice::numeric::D6 (line 54) ... ok
[INFO] [stdout] test src/items/dice/numeric.rs - items::dice::numeric::NumericDie (line 21) ... ok
[INFO] [stdout] test src/items/dice/numeric.rs - items::dice::numeric::D4 (line 42) ... ok
[INFO] [stdout] test src/items/dice/slice.rs - items::dice::slice::SliceDie (line 12) ... ok
[INFO] [stdout] test src/items/dice/numeric.rs - items::dice::numeric::D12 (line 90) ... ok
[INFO] [stdout] test src/items/roller.rs - items::roller::RngRoller (line 55) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/items/roller.rs - items::roller::NopRoller (line 9) ... ok
[INFO] [stdout] test src/items/dice/numeric.rs - items::dice::numeric::D8 (line 66) ... ok
[INFO] [stdout] test src/items/dice/numeric.rs - items::dice::numeric::NumericDie (line 14) ... ok
[INFO] [stdout] test src/items/dice/numeric.rs - items::dice::numeric::D20 (line 102) ... ok
[INFO] [stdout] test src/items/dice/numeric.rs - items::dice::numeric::D10 (line 78) ... ok
[INFO] [stdout] test src/items.rs - items (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.67s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0a4da8aa4a7bf401b3f4daf66f8ef12691308e97c44478a1a507d29514be5481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a4da8aa4a7bf401b3f4daf66f8ef12691308e97c44478a1a507d29514be5481", kill_on_drop: false }`
[INFO] [stdout] 0a4da8aa4a7bf401b3f4daf66f8ef12691308e97c44478a1a507d29514be5481
