[INFO] fetching crate sugars_llm 0.5.4...
[INFO] checking sugars_llm-0.5.4 against 1.95.0 for pr-155915
[INFO] extracting crate sugars_llm 0.5.4 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate sugars_llm 0.5.4
[INFO] finished tweaking crates.io crate sugars_llm 0.5.4
[INFO] tweaked toml for crates.io crate sugars_llm 0.5.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sugars_llm 0.5.4 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 sugars_llm 0.5.4 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 cyrup_sugars v0.5.4
[INFO] [stderr]   Downloaded sugars_async_stream v0.5.4
[INFO] [stderr]   Downloaded sugars_collections v0.5.5
[INFO] [stderr]   Downloaded sugars_async_task v0.5.4
[INFO] [stderr]   Downloaded sugars_macros v0.5.5
[INFO] [stderr]   Downloaded sugars_builders v0.5.4
[INFO] [stderr]   Downloaded openssl v0.10.74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5202e00a53199c8274efb17cac04dbc5ba49e21ac0667cbd6c61f8d3b4bc0f85
[INFO] running `Command { std: "docker" "start" "-a" "5202e00a53199c8274efb17cac04dbc5ba49e21ac0667cbd6c61f8d3b4bc0f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5202e00a53199c8274efb17cac04dbc5ba49e21ac0667cbd6c61f8d3b4bc0f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5202e00a53199c8274efb17cac04dbc5ba49e21ac0667cbd6c61f8d3b4bc0f85", kill_on_drop: false }`
[INFO] [stdout] 5202e00a53199c8274efb17cac04dbc5ba49e21ac0667cbd6c61f8d3b4bc0f85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8281bf5993ad76e943145f6957ef6c2747d77850e41c0c0531153518f382fab1
[INFO] running `Command { std: "docker" "start" "-a" "8281bf5993ad76e943145f6957ef6c2747d77850e41c0c0531153518f382fab1", kill_on_drop: false }`
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.110
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]    Compiling openssl v0.10.74
[INFO] [stderr]     Checking indexmap v2.12.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking rustls-pki-types v1.12.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling sugars_macros v0.5.5
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking thiserror v2.0.17
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking zerovec v0.11.4
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.3
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking uuid v1.18.1
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking sugars_collections v0.5.5
[INFO] [stderr]     Checking futures v0.3.31
[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/sugars_collections-0.5.5/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(auto_traits, negative_impls)]
[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 `sugars_collections` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8281bf5993ad76e943145f6957ef6c2747d77850e41c0c0531153518f382fab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8281bf5993ad76e943145f6957ef6c2747d77850e41c0c0531153518f382fab1", kill_on_drop: false }`
[INFO] [stdout] 8281bf5993ad76e943145f6957ef6c2747d77850e41c0c0531153518f382fab1