[INFO] fetching crate pi_tree 0.1.0... [INFO] testing pi_tree-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2 [INFO] extracting crate pi_tree 0.1.0 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate pi_tree 0.1.0 [INFO] finished tweaking crates.io crate pi_tree 0.1.0 [INFO] tweaked toml for crates.io crate pi_tree 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate pi_tree 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 19 packages to latest compatible versions [INFO] [stderr] Adding pi_slotmap v0.1.17 (available: v0.2.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pi_share v0.4.16 [INFO] [stderr] Downloaded pi_key_alloter v0.5.2 [INFO] [stderr] Downloaded pi_slotmap v0.1.17 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bde2e3be57554e673f1cdbcbf2c6377d8b022d33f433336509145313ed00b774 [INFO] running `Command { std: "docker" "start" "-a" "bde2e3be57554e673f1cdbcbf2c6377d8b022d33f433336509145313ed00b774", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bde2e3be57554e673f1cdbcbf2c6377d8b022d33f433336509145313ed00b774", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bde2e3be57554e673f1cdbcbf2c6377d8b022d33f433336509145313ed00b774", kill_on_drop: false }` [INFO] [stdout] bde2e3be57554e673f1cdbcbf2c6377d8b022d33f433336509145313ed00b774 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 19720ff575c692357e6562249e48fbfa3c648b09dff1d1943c2d5a60a1f44b10 [INFO] running `Command { std: "docker" "start" "-a" "19720ff575c692357e6562249e48fbfa3c648b09dff1d1943c2d5a60a1f44b10", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.106 [INFO] [stderr] Compiling quote v1.0.45 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling crossbeam-queue v0.3.12 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling pi_share v0.4.16 [INFO] [stderr] Compiling pi_null v0.1.12 [INFO] [stderr] Compiling log v0.4.29 [INFO] [stderr] Compiling pi_slotmap v0.1.17 [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-0.4.16/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 2026-03-21; 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-0.4.16/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/562dee4820c458d823175268e41601d4c060588a/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" "19720ff575c692357e6562249e48fbfa3c648b09dff1d1943c2d5a60a1f44b10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19720ff575c692357e6562249e48fbfa3c648b09dff1d1943c2d5a60a1f44b10", kill_on_drop: false }` [INFO] [stdout] 19720ff575c692357e6562249e48fbfa3c648b09dff1d1943c2d5a60a1f44b10