[INFO] fetching crate rust-diskann 0.3.5...
[INFO] checking rust-diskann-0.3.5 against 1.95.0 for pr-155915
[INFO] extracting crate rust-diskann 0.3.5 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate rust-diskann 0.3.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rust-diskann 0.3.5
[INFO] tweaked toml for crates.io crate rust-diskann 0.3.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-diskann 0.3.5 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust-diskann 0.3.5 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded doxygen-rs v0.4.2
[INFO] [stderr]   Downloaded heed-traits v0.20.0
[INFO] [stderr]   Downloaded heed-types v0.21.0
[INFO] [stderr]   Downloaded memmap2 v0.5.10
[INFO] [stderr]   Downloaded synchronoise v1.0.1
[INFO] [stderr]   Downloaded heed v0.22.0
[INFO] [stderr]   Downloaded hdf5-metno-derive v0.9.3
[INFO] [stderr]   Downloaded toml_datetime v1.0.1+spec-1.1.0
[INFO] [stderr]   Downloaded hdf5-metno-types v0.10.2
[INFO] [stderr]   Downloaded toml_parser v1.0.10+spec-1.1.0
[INFO] [stderr]   Downloaded hdf5-metno-sys v0.10.1
[INFO] [stderr]   Downloaded toml_edit v0.25.5+spec-1.1.0
[INFO] [stderr]   Downloaded hdf5-metno v0.10.1
[INFO] [stderr]   Downloaded lmdb-master-sys v0.2.5
[INFO] [stderr]   Downloaded libz-sys v1.1.25
[INFO] [stderr]   Downloaded hdf5-metno-src v0.9.5
[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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42a36244b264459930d60cccbc32698ce9d8b0b92494ab07525b75e171f470df
[INFO] running `Command { std: "docker" "start" "-a" "42a36244b264459930d60cccbc32698ce9d8b0b92494ab07525b75e171f470df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42a36244b264459930d60cccbc32698ce9d8b0b92494ab07525b75e171f470df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42a36244b264459930d60cccbc32698ce9d8b0b92494ab07525b75e171f470df", kill_on_drop: false }`
[INFO] [stdout] 42a36244b264459930d60cccbc32698ce9d8b0b92494ab07525b75e171f470df
[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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f34a239c7b65a96cbb2697c79460ba0249081df5ed8b044ca9b1de5b4e22f8bb
[INFO] running `Command { std: "docker" "start" "-a" "f34a239c7b65a96cbb2697c79460ba0249081df5ed8b044ca9b1de5b4e22f8bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling zerocopy v0.8.47
[INFO] [stderr]    Compiling siphasher v1.0.2
[INFO] [stderr]    Compiling cc v1.2.57
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]     Checking bitflags v2.11.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling winnow v1.0.0
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]     Checking jiff v0.2.23
[INFO] [stderr]    Compiling toml_datetime v1.0.1+spec-1.1.0
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling hdf5-metno-types v0.10.2
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]     Checking combine v4.6.7
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking heed-traits v0.20.0
[INFO] [stderr]     Checking ascii v1.1.0
[INFO] [stderr]    Compiling heed v0.22.0
[INFO] [stderr]    Compiling hdf5-metno v0.10.1
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking heed-types v0.21.0
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking synchronoise v1.0.1
[INFO] [stderr]     Checking bytemuck v1.25.0
[INFO] [stderr]    Compiling libz-sys v1.1.25
[INFO] [stderr]    Compiling hdf5-metno-src v0.9.5
[INFO] [stderr]    Compiling toml_parser v1.0.10+spec-1.1.0
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling toml_edit v0.25.5+spec-1.1.0
[INFO] [stderr]     Checking cpu-time v1.0.0
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking page_size v0.6.0
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking env_filter v1.0.0
[INFO] [stderr]    Compiling proc-macro-crate v3.5.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking env_logger v0.11.9
[INFO] [stderr]     Checking anndists v0.1.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anndists-0.1.4/src/lib.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "stdsimd", feature(portable_simd))]
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `anndists` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f34a239c7b65a96cbb2697c79460ba0249081df5ed8b044ca9b1de5b4e22f8bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f34a239c7b65a96cbb2697c79460ba0249081df5ed8b044ca9b1de5b4e22f8bb", kill_on_drop: false }`
[INFO] [stdout] f34a239c7b65a96cbb2697c79460ba0249081df5ed8b044ca9b1de5b4e22f8bb