[INFO] fetching crate llm_utils 0.0.11...
[INFO] checking llm_utils-0.0.11 against 1.95.0 for pr-155915
[INFO] extracting crate llm_utils 0.0.11 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate llm_utils 0.0.11
[INFO] finished tweaking crates.io crate llm_utils 0.0.11
[INFO] tweaked toml for crates.io crate llm_utils 0.0.11 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate llm_utils 0.0.11 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 301 packages to latest compatible versions
[INFO] [stderr]       Adding html2text v0.12.6 (available: v0.17.1)
[INFO] [stderr]       Adding linkify v0.10.0 (available: v0.11.0)
[INFO] [stderr]       Adding llm_models v0.0.1 (available: v0.0.3)
[INFO] [stderr]       Adding text-splitter v0.14.1 (available: v0.30.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] [stderr]       Adding tiktoken-rs v0.5.9 (available: v0.11.0)
[INFO] [stderr]       Adding unicode-width v0.1.13 (available: v0.1.14)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded onig v6.5.3
[INFO] [stderr]   Downloaded derive_utils v0.15.1
[INFO] [stderr]   Downloaded auto_enums v0.8.8
[INFO] [stderr]   Downloaded rayon-cond v0.3.0
[INFO] [stderr]   Downloaded linkify v0.10.0
[INFO] [stderr]   Downloaded text-splitter v0.14.1
[INFO] [stderr]   Downloaded hf-hub v0.3.2
[INFO] [stderr]   Downloaded colorful v0.3.2
[INFO] [stderr]   Downloaded llm_prompt v0.0.1
[INFO] [stderr]   Downloaded minijinja v2.19.0
[INFO] [stderr]   Downloaded tokenizers v0.20.4
[INFO] [stderr]   Downloaded html2text v0.12.6
[INFO] [stderr]   Downloaded onig_sys v69.9.3
[INFO] [stderr]   Downloaded llm_models v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8ccd8cd920fef90b11786e02ee43314f998a59f7778d708fa3b5bb9e0e0608c4
[INFO] running `Command { std: "docker" "start" "-a" "8ccd8cd920fef90b11786e02ee43314f998a59f7778d708fa3b5bb9e0e0608c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ccd8cd920fef90b11786e02ee43314f998a59f7778d708fa3b5bb9e0e0608c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ccd8cd920fef90b11786e02ee43314f998a59f7778d708fa3b5bb9e0e0608c4", kill_on_drop: false }`
[INFO] [stdout] 8ccd8cd920fef90b11786e02ee43314f998a59f7778d708fa3b5bb9e0e0608c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 87519e1b3601261f6120108567badb991f792007d76c5befff59c64f43db93d6
[INFO] running `Command { std: "docker" "start" "-a" "87519e1b3601261f6120108567badb991f792007d76c5befff59c64f43db93d6", kill_on_drop: false }`
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[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
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[INFO] [stderr]     Checking idna_adapter v1.2.2
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking markup5ever_rcdom v0.2.0
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[INFO] [stderr]     Checking ureq v2.12.1
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking hf-hub v0.3.2
[INFO] [stderr]     Checking llm_prompt v0.0.1
[INFO] [stderr]     Checking readability v0.3.0
[INFO] [stderr]     Checking llm_models v0.0.1
[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/llm_models-0.0.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(f16)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `llm_models` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "87519e1b3601261f6120108567badb991f792007d76c5befff59c64f43db93d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87519e1b3601261f6120108567badb991f792007d76c5befff59c64f43db93d6", kill_on_drop: false }`
[INFO] [stdout] 87519e1b3601261f6120108567badb991f792007d76c5befff59c64f43db93d6