[INFO] fetching crate flexi_logger 0.31.8...
[INFO] checking flexi_logger-0.31.8 against 1.95.0 for pr-155915
[INFO] extracting crate flexi_logger 0.31.8 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate flexi_logger 0.31.8
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate flexi_logger 0.31.8
[INFO] tweaked toml for crates.io crate flexi_logger 0.31.8 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flexi_logger 0.31.8 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 flexi_logger 0.31.8 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sval_fmt v2.16.0
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[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] 82f5a9cc347836d5163260e7edde07aac5abda20857133224bcffec242c43936
[INFO] running `Command { std: "docker" "start" "-a" "82f5a9cc347836d5163260e7edde07aac5abda20857133224bcffec242c43936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82f5a9cc347836d5163260e7edde07aac5abda20857133224bcffec242c43936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82f5a9cc347836d5163260e7edde07aac5abda20857133224bcffec242c43936", kill_on_drop: false }`
[INFO] [stdout] 82f5a9cc347836d5163260e7edde07aac5abda20857133224bcffec242c43936
[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] 0f920f2a6abb33ad8c6c483e3635b55bb45bc078580a5fb59399f4d843265c1d
[INFO] running `Command { std: "docker" "start" "-a" "0f920f2a6abb33ad8c6c483e3635b55bb45bc078580a5fb59399f4d843265c1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking unicode-ident v1.0.22
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking hashbrown v0.16.1
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[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]     Checking form_urlencoded v1.2.2
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[INFO] [stderr]     Checking simd-adler32 v0.3.8
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[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]     Checking semver v1.0.27
[INFO] [stderr]     Checking temp-dir v0.1.16
[INFO] [stderr]     Checking cond_sync v0.2.1
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking flate2 v1.1.8
[INFO] [stderr]     Checking indexmap v2.13.0
[INFO] [stderr]     Checking syn v2.0.114
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking serde_spanned v0.6.9
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[INFO] [stderr]     Checking filetime v0.2.26
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking yoke v0.8.1
[INFO] [stderr]     Checking thiserror v2.0.17
[INFO] [stderr]     Checking flexi_logger v0.31.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking zerovec v0.11.5
[INFO] [stderr]     Checking zerotrie v0.2.3
[INFO] [stderr]     Checking tinystr v0.8.2
[INFO] [stderr]     Checking potential_utf v0.1.4
[INFO] [stderr]     Checking icu_collections v2.1.1
[INFO] [stderr]     Checking icu_locale_core v2.1.1
[INFO] [stderr]     Checking icu_provider v2.1.1
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]     Checking icu_properties v2.1.2
[INFO] [stderr]     Checking idna_adapter v1.2.1
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[INFO] [stdout] warning: function `write_logs` is never used
[INFO] [stdout]    --> tests/test_trc.rs:129:19
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub(crate) fn write_logs(idx: u8) {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (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/bench_reconfigurable.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 `flexi_logger` (bench "bench_reconfigurable") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0f920f2a6abb33ad8c6c483e3635b55bb45bc078580a5fb59399f4d843265c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f920f2a6abb33ad8c6c483e3635b55bb45bc078580a5fb59399f4d843265c1d", kill_on_drop: false }`
[INFO] [stdout] 0f920f2a6abb33ad8c6c483e3635b55bb45bc078580a5fb59399f4d843265c1d
