[INFO] fetching crate pi_raw_slab 0.1.0...
[INFO] testing pi_raw_slab-0.1.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate pi_raw_slab 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate pi_raw_slab 0.1.0
[INFO] finished tweaking crates.io crate pi_raw_slab 0.1.0
[INFO] tweaked toml for crates.io crate pi_raw_slab 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pi_raw_slab 0.1.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pi_raw_slab 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pi_vec_remain v0.2.1
[INFO] [stderr]   Downloaded pi_buckets v0.1.0
[INFO] [stderr]   Downloaded syn v2.0.102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e6da0950f03a994c48eb3decf02e09e9eb1b575c392fd10f09a99766356611b
[INFO] running `Command { std: "docker" "start" "-a" "8e6da0950f03a994c48eb3decf02e09e9eb1b575c392fd10f09a99766356611b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e6da0950f03a994c48eb3decf02e09e9eb1b575c392fd10f09a99766356611b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e6da0950f03a994c48eb3decf02e09e9eb1b575c392fd10f09a99766356611b", kill_on_drop: false }`
[INFO] [stdout] 8e6da0950f03a994c48eb3decf02e09e9eb1b575c392fd10f09a99766356611b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7626fd2170b07fd4979057af01656496fa6140f28f7bc9084f6f5bf3bbddd353
[INFO] running `Command { std: "docker" "start" "-a" "7626fd2170b07fd4979057af01656496fa6140f28f7bc9084f6f5bf3bbddd353", kill_on_drop: false }`
[INFO] [stderr]    Compiling pi_share v0.5.2
[INFO] [stderr]    Compiling pi_vec_remain v0.2.1
[INFO] [stderr]    Compiling pi_buckets v0.1.0
[INFO] [stdout] error[E0658]: use of unstable library feature `ptr_alignment_type`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pi_share-0.5.2/src/xrc.rs:3432:28
[INFO] [stdout]      |
[INFO] [stdout] 3432 |     layout.size() + layout.padding_needed_for(align)
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #102070 <https://github.com/rust-lang/rust/issues/102070> for more information
[INFO] [stdout]      = help: add `#![feature(ptr_alignment_type)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2026-03-19; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pi_share-0.5.2/src/xrc.rs:3432:47
[INFO] [stdout]      |
[INFO] [stdout] 3432 |     layout.size() + layout.padding_needed_for(align)
[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/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/alloc/layout.rs:335:17
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pi_share` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7626fd2170b07fd4979057af01656496fa6140f28f7bc9084f6f5bf3bbddd353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7626fd2170b07fd4979057af01656496fa6140f28f7bc9084f6f5bf3bbddd353", kill_on_drop: false }`
[INFO] [stdout] 7626fd2170b07fd4979057af01656496fa6140f28f7bc9084f6f5bf3bbddd353
