[INFO] fetching crate osdk-heap-allocator 0.16.1...
[INFO] testing osdk-heap-allocator-0.16.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate osdk-heap-allocator 0.16.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate osdk-heap-allocator 0.16.1
[INFO] finished tweaking crates.io crate osdk-heap-allocator 0.16.1
[INFO] tweaked toml for crates.io crate osdk-heap-allocator 0.16.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate osdk-heap-allocator 0.16.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate osdk-heap-allocator 0.16.1 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4606eb595b871afd42381d40cb4de6688934096e8aa85ebf0c09b2f040aced5e
[INFO] running `Command { std: "docker" "start" "-a" "4606eb595b871afd42381d40cb4de6688934096e8aa85ebf0c09b2f040aced5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4606eb595b871afd42381d40cb4de6688934096e8aa85ebf0c09b2f040aced5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4606eb595b871afd42381d40cb4de6688934096e8aa85ebf0c09b2f040aced5e", kill_on_drop: false }`
[INFO] [stdout] 4606eb595b871afd42381d40cb4de6688934096e8aa85ebf0c09b2f040aced5e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 391dc6a3aeb03b0ac0f40532e55c16c6ffef79002540aba3810c7a64956242c9
[INFO] running `Command { std: "docker" "start" "-a" "391dc6a3aeb03b0ac0f40532e55c16c6ffef79002540aba3810c7a64956242c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling ostd-test v0.16.1
[INFO] [stderr]    Compiling volatile v0.6.1
[INFO] [stderr]    Compiling align_ext v0.1.0
[INFO] [stderr]    Compiling buddy_system_allocator v0.10.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling linux-boot-params v0.16.1
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling intrusive-collections v0.9.7
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/intrusive-collections-0.9.7/src/lib.rs:270:34
[INFO] [stdout]     |
[INFO] [stdout] 270 | #![cfg_attr(feature = "nightly", feature(const_fn_trait_bound))]
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]     |
[INFO] [stdout]     = help: the feature `const_fn_trait_bound` has been stable since `1.61.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `intrusive-collections` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "391dc6a3aeb03b0ac0f40532e55c16c6ffef79002540aba3810c7a64956242c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "391dc6a3aeb03b0ac0f40532e55c16c6ffef79002540aba3810c7a64956242c9", kill_on_drop: false }`
[INFO] [stdout] 391dc6a3aeb03b0ac0f40532e55c16c6ffef79002540aba3810c7a64956242c9