[INFO] fetching crate pi_slotmap 0.2.1... [INFO] testing pi_slotmap-0.2.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1 [INFO] extracting crate pi_slotmap 0.2.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate pi_slotmap 0.2.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate pi_slotmap 0.2.1 [INFO] tweaked toml for crates.io crate pi_slotmap 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate pi_slotmap 0.2.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate pi_slotmap 0.2.1 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 17d75acc21071d465b080a76f24ec85174c34cf7afc5c7afdc6e3124588476a9 [INFO] running `Command { std: "docker" "start" "-a" "17d75acc21071d465b080a76f24ec85174c34cf7afc5c7afdc6e3124588476a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "17d75acc21071d465b080a76f24ec85174c34cf7afc5c7afdc6e3124588476a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17d75acc21071d465b080a76f24ec85174c34cf7afc5c7afdc6e3124588476a9", kill_on_drop: false }` [INFO] [stdout] 17d75acc21071d465b080a76f24ec85174c34cf7afc5c7afdc6e3124588476a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e79a09839139414d1831a6ca92462e1cf25f7857c52a9b50d91b6a957a3166bd [INFO] running `Command { std: "docker" "start" "-a" "e79a09839139414d1831a6ca92462e1cf25f7857c52a9b50d91b6a957a3166bd", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling pi_share v0.5.0 [INFO] [stderr] Compiling pi_null v0.1.11 [INFO] [stderr] Compiling pi_slotmap v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling crossbeam-channel v0.5.14 [INFO] [stderr] Compiling crossbeam-queue v0.3.12 [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-0.5.0/src/xrc.rs:3425:28 [INFO] [stdout] | [INFO] [stdout] 3425 | layout.size() + layout.padding_needed_for(align) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #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 2026-03-22; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling crossbeam-deque v0.8.6 [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pi_share-0.5.0/src/xrc.rs:3425:47 [INFO] [stdout] | [INFO] [stdout] 3425 | 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/dec9417b8611e34e787a3e4c37686b5131f9e5c5/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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "e79a09839139414d1831a6ca92462e1cf25f7857c52a9b50d91b6a957a3166bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e79a09839139414d1831a6ca92462e1cf25f7857c52a9b50d91b6a957a3166bd", kill_on_drop: false }` [INFO] [stdout] e79a09839139414d1831a6ca92462e1cf25f7857c52a9b50d91b6a957a3166bd