[INFO] fetching crate readable-readability 0.4.0...
[INFO] checking readable-readability-0.4.0 against 1.95.0 for pr-155915
[INFO] extracting crate readable-readability 0.4.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate readable-readability 0.4.0
[INFO] finished tweaking crates.io crate readable-readability 0.4.0
[INFO] tweaked toml for crates.io crate readable-readability 0.4.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate readable-readability 0.4.0 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] 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 115 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.9.3 (available: v0.11.10)
[INFO] [stderr]       Adding html5ever v0.25.2 (available: v0.39.0)
[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 phf_macros v0.8.0
[INFO] [stderr]   Downloaded kuchiki v0.8.1
[INFO] [stderr]   Downloaded selectors v0.22.0
[INFO] [stderr]   Downloaded thin-slice v0.1.1
[INFO] [stderr]   Downloaded cssparser v0.27.2
[INFO] [stderr]   Downloaded servo_arc v0.1.1
[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] 5e5ddff75f2be8b64081f2e89ed3c54d2813001e8132a4fa2139982214730f79
[INFO] running `Command { std: "docker" "start" "-a" "5e5ddff75f2be8b64081f2e89ed3c54d2813001e8132a4fa2139982214730f79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e5ddff75f2be8b64081f2e89ed3c54d2813001e8132a4fa2139982214730f79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e5ddff75f2be8b64081f2e89ed3c54d2813001e8132a4fa2139982214730f79", kill_on_drop: false }`
[INFO] [stdout] 5e5ddff75f2be8b64081f2e89ed3c54d2813001e8132a4fa2139982214730f79
[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] efa9c29431ca2cd126d3da298d5cb4b2070a83d98f3455d129fa057439c458bb
[INFO] running `Command { std: "docker" "start" "-a" "efa9c29431ca2cd126d3da298d5cb4b2070a83d98f3455d129fa057439c458bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking yoke v0.8.2
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]     Checking string_cache v0.8.9
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking zerovec v0.11.6
[INFO] [stderr]     Checking zerotrie v0.2.4
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling html5ever v0.25.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking tinystr v0.8.3
[INFO] [stderr]     Checking potential_utf v0.1.5
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking icu_collections v2.2.0
[INFO] [stderr]     Checking icu_locale_core v2.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]     Checking icu_provider v2.2.0
[INFO] [stderr]     Checking icu_properties v2.2.0
[INFO] [stderr]     Checking icu_normalizer v2.2.0
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking idna_adapter v1.2.2
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking kuchiki v0.8.1
[INFO] [stderr]     Checking readable-readability v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `parse_html`
[INFO] [stdout]    --> src/metadata.rs:117:19
[INFO] [stdout]     |
[INFO] [stdout] 117 |     use kuchiki::{parse_html, traits::TendrilSink};
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[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 `readable-readability` (bench "lib") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "efa9c29431ca2cd126d3da298d5cb4b2070a83d98f3455d129fa057439c458bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efa9c29431ca2cd126d3da298d5cb4b2070a83d98f3455d129fa057439c458bb", kill_on_drop: false }`
[INFO] [stdout] efa9c29431ca2cd126d3da298d5cb4b2070a83d98f3455d129fa057439c458bb
