[INFO] fetching crate rulloc 0.1.0...
[INFO] testing rulloc-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rulloc 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rulloc 0.1.0
[INFO] finished tweaking crates.io crate rulloc 0.1.0
[INFO] tweaked toml for crates.io crate rulloc 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rulloc 0.1.0 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] crate crates.io crate rulloc 0.1.0 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 45895403648ec6945f21ed3a27552a313bcf1d0114f366c0f3094bbce8410f1c
[INFO] running `Command { std: "docker" "start" "-a" "45895403648ec6945f21ed3a27552a313bcf1d0114f366c0f3094bbce8410f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45895403648ec6945f21ed3a27552a313bcf1d0114f366c0f3094bbce8410f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45895403648ec6945f21ed3a27552a313bcf1d0114f366c0f3094bbce8410f1c", kill_on_drop: false }`
[INFO] [stdout] 45895403648ec6945f21ed3a27552a313bcf1d0114f366c0f3094bbce8410f1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d1731b7a83c67e809c11814c2f2f40b818f010ac0bc25279a948dc8ab522e3a6
[INFO] running `Command { std: "docker" "start" "-a" "d1731b7a83c67e809c11814c2f2f40b818f010ac0bc25279a948dc8ab522e3a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling rulloc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | #![feature(allocator_api)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc_layout_extra` has been stable since 1.95.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | #![feature(alloc_layout_extra)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `is_some_and` has been stable since 1.70.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | #![feature(is_some_and)]
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `nonnull_slice_from_raw_parts` has been stable since 1.70.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | #![feature(nonnull_slice_from_raw_parts)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `strict_provenance` has been stable since 1.84.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | #![feature(strict_provenance)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `ptr_alignment_type`
[INFO] [stdout]    --> src/alignment.rs:251:43
[INFO] [stdout]     |
[INFO] [stdout] 251 |     let mut size = layout.size() + layout.padding_needed_for(POINTER_SIZE);
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #102070 <https://github.com/rust-lang/rust/issues/102070> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/alignment.rs:251:62
[INFO] [stdout]     |
[INFO] [stdout] 251 |     let mut size = layout.size() + layout.padding_needed_for(POINTER_SIZE);
[INFO] [stdout]     |                                           ------------------ ^^^^^^^^^^^^ expected `Alignment`, found `usize`
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/alloc/layout.rs:335:17
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `ptr_alignment_type`
[INFO] [stdout]    --> src/alignment.rs:282:32
[INFO] [stdout]     |
[INFO] [stdout] 282 |         layout.size() + layout.padding_needed_for(POINTER_SIZE)
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #102070 <https://github.com/rust-lang/rust/issues/102070> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/alignment.rs:282:51
[INFO] [stdout]     |
[INFO] [stdout] 282 |         layout.size() + layout.padding_needed_for(POINTER_SIZE)
[INFO] [stdout]     |                                ------------------ ^^^^^^^^^^^^ expected `Alignment`, found `usize`
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/alloc/layout.rs:335:17
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rulloc` (lib) due to 5 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d1731b7a83c67e809c11814c2f2f40b818f010ac0bc25279a948dc8ab522e3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1731b7a83c67e809c11814c2f2f40b818f010ac0bc25279a948dc8ab522e3a6", kill_on_drop: false }`
[INFO] [stdout] d1731b7a83c67e809c11814c2f2f40b818f010ac0bc25279a948dc8ab522e3a6
