[INFO] fetching crate capability-skeleton-validation 0.1.0...
[INFO] checking capability-skeleton-validation-0.1.0 against 1.95.0 for pr-155915
[INFO] extracting crate capability-skeleton-validation 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate capability-skeleton-validation 0.1.0
[INFO] finished tweaking crates.io crate capability-skeleton-validation 0.1.0
[INFO] tweaked toml for crates.io crate capability-skeleton-validation 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate capability-skeleton-validation 0.1.0 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 capability-skeleton-validation 0.1.0 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 fuzzy-from-json-value v0.1.0
[INFO] [stderr]   Downloaded capability-skeleton-mock v0.1.0
[INFO] [stderr]   Downloaded capability-feature-measurement v0.1.0
[INFO] [stderr]   Downloaded capability-grower-configuration v0.1.0
[INFO] [stderr]   Downloaded capability-skeleton v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e9250d1c96331be15d0175924302e5d292c6dd59f7318e9d1a3479b7440956ca
[INFO] running `Command { std: "docker" "start" "-a" "e9250d1c96331be15d0175924302e5d292c6dd59f7318e9d1a3479b7440956ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9250d1c96331be15d0175924302e5d292c6dd59f7318e9d1a3479b7440956ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9250d1c96331be15d0175924302e5d292c6dd59f7318e9d1a3479b7440956ca", kill_on_drop: false }`
[INFO] [stdout] e9250d1c96331be15d0175924302e5d292c6dd59f7318e9d1a3479b7440956ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9eff1413e19b26bc97ffdad9fe547160a570bbb538dadfcb47e359d138912033
[INFO] running `Command { std: "docker" "start" "-a" "9eff1413e19b26bc97ffdad9fe547160a570bbb538dadfcb47e359d138912033", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking lock_api v0.4.13
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rustls v0.23.28
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking zerocopy v0.8.26
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]     Checking export-magic v0.3.6
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling unicase v2.8.1
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[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
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[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling serial_test v0.5.1
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[INFO] [stderr]    Compiling itertools v0.12.1
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[INFO] [stderr]     Checking zeroize v1.8.1
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[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking tokio v1.46.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]     Checking zerovec v0.11.2
[INFO] [stderr]    Compiling getset v0.1.6
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling pest v2.8.1
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling derive_builder_core v0.20.2
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]    Compiling tracing-appender v0.2.3
[INFO] [stderr]    Compiling pest_meta v2.8.1
[INFO] [stderr]    Compiling error-tree v0.6.0
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]    Compiling tracing-setup v1.0.4
[INFO] [stderr]     Checking potential_utf v0.1.2
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]    Compiling always-assert v0.2.0
[INFO] [stderr]    Compiling ra_ap_stdx v0.0.237
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]    Compiling pest_generator v2.8.1
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]    Compiling ra_ap_parser v0.0.237
[INFO] [stderr]    Compiling ra_ap_text_edit v0.0.237
[INFO] [stderr]    Compiling plural-derive v0.1.0
[INFO] [stderr]    Compiling delegate v0.10.0
[INFO] [stderr]    Compiling ai-descriptor-derive v0.5.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]    Compiling smol_str v0.3.2
[INFO] [stderr]    Compiling pest_derive v2.8.1
[INFO] [stderr]     Checking time-core v0.1.4
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]    Compiling ra_ap_syntax v0.0.237
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]     Checking rustls-pki-types v1.12.0
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]     Checking h2 v0.4.11
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling random-constructible-derive v0.10.0
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling language-enum v0.1.0
[INFO] [stderr]     Checking openssl-sys v0.9.109
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling named-item v0.6.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking rustls-webpki v0.103.3
[INFO] [stderr]     Checking idna_adapter v1.2.1
[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/named-item-0.6.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(associated_type_defaults)]
[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 `named-item` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9eff1413e19b26bc97ffdad9fe547160a570bbb538dadfcb47e359d138912033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eff1413e19b26bc97ffdad9fe547160a570bbb538dadfcb47e359d138912033", kill_on_drop: false }`
[INFO] [stdout] 9eff1413e19b26bc97ffdad9fe547160a570bbb538dadfcb47e359d138912033