[INFO] fetching crate wcvp 0.5.0...
[INFO] testing wcvp-0.5.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate wcvp 0.5.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate wcvp 0.5.0
[INFO] finished tweaking crates.io crate wcvp 0.5.0
[INFO] tweaked toml for crates.io crate wcvp 0.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wcvp 0.5.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wcvp 0.5.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1993697b7a9017dd61c9c27fc4c278af5b7fa2f4ddb471b905c8d1ebf8f9df2b
[INFO] running `Command { std: "docker" "start" "1993697b7a9017dd61c9c27fc4c278af5b7fa2f4ddb471b905c8d1ebf8f9df2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1993697b7a9017dd61c9c27fc4c278af5b7fa2f4ddb471b905c8d1ebf8f9df2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1993697b7a9017dd61c9c27fc4c278af5b7fa2f4ddb471b905c8d1ebf8f9df2b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1993697b7a9017dd61c9c27fc4c278af5b7fa2f4ddb471b905c8d1ebf8f9df2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1993697b7a9017dd61c9c27fc4c278af5b7fa2f4ddb471b905c8d1ebf8f9df2b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.8
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling aws-lc-rs v1.15.4
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling rustls-pki-types v1.14.0
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling rustls v0.23.36
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling socket2 v0.6.2
[INFO] [stderr]    Compiling simd-adler32 v0.3.8
[INFO] [stderr]    Compiling bumpalo v3.19.1
[INFO] [stderr]    Compiling zlib-rs v0.5.5
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling iri-string v0.7.10
[INFO] [stderr]    Compiling num-conv v0.2.0
[INFO] [stderr]    Compiling debug_unsafe v0.1.3
[INFO] [stderr]    Compiling deranged v0.5.5
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling time-macros v0.2.26
[INFO] [stderr]    Compiling atoi_simd v0.16.1
[INFO] [stderr]    Compiling codepage v0.1.2
[INFO] [stderr]    Compiling quick-xml v0.38.4
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling zopfli v0.8.3
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling rustls-native-certs v0.8.3
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling ryu v1.0.22
[INFO] [stderr]    Compiling typed-path v0.12.2
[INFO] [stderr]    Compiling cc v1.2.54
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling fast-float2 v0.2.3
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling time v0.3.46
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]    Compiling aws-lc-sys v0.37.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling flate2 v1.1.8
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zip v4.6.1
[INFO] [stderr]    Compiling zip v7.2.0
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling icu_properties v2.1.2
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling tower v0.5.3
[INFO] [stderr]    Compiling calamine v0.32.0
[INFO] [stderr]    Compiling h2 v0.4.13
[INFO] [stderr]    Compiling tower-http v0.6.8
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling hyper v1.8.1
[INFO] [stderr]    Compiling hyper-util v0.1.19
[INFO] [stderr]    Compiling rustls-webpki v0.103.9
[INFO] [stderr]    Compiling tokio-rustls v0.26.4
[INFO] [stderr]    Compiling rustls-platform-verifier v0.6.2
[INFO] [stderr]    Compiling hyper-rustls v0.27.7
[INFO] [stderr]    Compiling reqwest v0.13.1
[INFO] [stderr]    Compiling wcvp v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(string_remove_matches, nonpoison_rwlock, sync_nonpoison)]
[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 `wcvp` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1993697b7a9017dd61c9c27fc4c278af5b7fa2f4ddb471b905c8d1ebf8f9df2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1993697b7a9017dd61c9c27fc4c278af5b7fa2f4ddb471b905c8d1ebf8f9df2b", kill_on_drop: false }`
[INFO] [stdout] 1993697b7a9017dd61c9c27fc4c278af5b7fa2f4ddb471b905c8d1ebf8f9df2b
