[INFO] fetching crate edlc_docs 0.1.1...
[INFO] checking edlc_docs-0.1.1 against 1.95.0 for pr-155915
[INFO] extracting crate edlc_docs 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate edlc_docs 0.1.1
[INFO] finished tweaking crates.io crate edlc_docs 0.1.1
[INFO] tweaked toml for crates.io crate edlc_docs 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate edlc_docs 0.1.1 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 edlc_docs 0.1.1 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 077862e5eed646432905cd73c3ef8290bcfa36a2811048fee5ef630f6c2b81f5
[INFO] running `Command { std: "docker" "start" "-a" "077862e5eed646432905cd73c3ef8290bcfa36a2811048fee5ef630f6c2b81f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "077862e5eed646432905cd73c3ef8290bcfa36a2811048fee5ef630f6c2b81f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "077862e5eed646432905cd73c3ef8290bcfa36a2811048fee5ef630f6c2b81f5", kill_on_drop: false }`
[INFO] [stdout] 077862e5eed646432905cd73c3ef8290bcfa36a2811048fee5ef630f6c2b81f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 970b9b1c4d2a53a2aed204ed0b2050ea080b14dc2f0e7410301c200cb074822c
[INFO] running `Command { std: "docker" "start" "-a" "970b9b1c4d2a53a2aed204ed0b2050ea080b14dc2f0e7410301c200cb074822c", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling cc v1.2.19
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]     Checking writeable v0.5.5
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.1
[INFO] [stderr]     Checking litemap v0.7.5
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling icu_properties_data v1.5.1
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking rustls-pki-types v1.11.0
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.1
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking tokio v1.44.2
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling rustls v0.23.26
[INFO] [stderr]     Checking utf16_iter v1.0.5
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking write16 v1.0.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]     Checking mac v0.1.1
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[INFO] [stderr]     Checking zeroize v1.8.1
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[INFO] [stderr]     Checking tracing v0.1.41
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[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking utf-8 v0.7.6
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[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling selectors v0.30.0
[INFO] [stderr]    Compiling clap_builder v4.5.44
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]    Compiling web_atoms v0.1.3
[INFO] [stderr]    Compiling synstructure v0.13.1
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[INFO] [stderr]     Checking hyper v1.6.0
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[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking rustls-webpki v0.103.1
[INFO] [stderr]     Checking hyper-util v0.1.11
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]     Checking yoke v0.7.5
[INFO] [stderr]     Checking zerovec v0.10.4
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]    Compiling clap_derive v4.5.41
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling match_token v0.35.0
[INFO] [stderr]     Checking phf v0.11.3
[INFO] [stderr]     Checking derive_more v2.0.1
[INFO] [stderr]     Checking cssparser v0.35.0
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking rustls-pemfile v2.2.0
[INFO] [stderr]     Checking servo_arc v0.4.1
[INFO] [stderr]     Checking tinystr v0.7.6
[INFO] [stderr]     Checking icu_collections v1.5.0
[INFO] [stderr]     Checking tokio-rustls v0.26.2
[INFO] [stderr]    Compiling edlc_analysis v0.1.1
[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/edlc_analysis-0.1.1/src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(exact_size_is_empty)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking icu_locid v1.5.0
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]     Checking hyper-rustls v0.27.5
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `edlc_analysis` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "970b9b1c4d2a53a2aed204ed0b2050ea080b14dc2f0e7410301c200cb074822c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "970b9b1c4d2a53a2aed204ed0b2050ea080b14dc2f0e7410301c200cb074822c", kill_on_drop: false }`
[INFO] [stdout] 970b9b1c4d2a53a2aed204ed0b2050ea080b14dc2f0e7410301c200cb074822c