[INFO] fetching crate errore 0.4.1...
[INFO] testing errore-0.4.1 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate errore 0.4.1 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate errore 0.4.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate errore 0.4.1
[INFO] tweaked toml for crates.io crate errore 0.4.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate errore 0.4.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 103 packages to highest compatible versions
[INFO] [stderr]       Adding ctor v0.2.9 (available: v1.0.13)
[INFO] [stderr]       Adding defmt v0.3.101 (available: v1.2.0)
[INFO] [stderr]       Adding hash32 v0.3.1 (available: v1.0.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (available: v0.17.1)
[INFO] [stderr]       Adding spin v0.9.9 (available: v0.12.3)
[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] 7a1d0c1ba740894799537491575c8443ee1d703cf4b7531bd0d17c155f3069ab
[INFO] running `Command { std: "docker" "start" "7a1d0c1ba740894799537491575c8443ee1d703cf4b7531bd0d17c155f3069ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a1d0c1ba740894799537491575c8443ee1d703cf4b7531bd0d17c155f3069ab", 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" "7a1d0c1ba740894799537491575c8443ee1d703cf4b7531bd0d17c155f3069ab" "/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" "7a1d0c1ba740894799537491575c8443ee1d703cf4b7531bd0d17c155f3069ab", 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" "7a1d0c1ba740894799537491575c8443ee1d703cf4b7531bd0d17c155f3069ab" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling icu_segmenter_data v2.3.0
[INFO] [stderr]    Compiling portable-atomic v1.15.0
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling smallvec v1.16.3
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling smawk v0.3.3
[INFO] [stderr]    Compiling conquer-util v0.3.0
[INFO] [stderr]    Compiling libc v0.2.191
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling inventory v0.3.25
[INFO] [stderr]    Compiling conquer-once v0.4.0
[INFO] [stderr]    Compiling spin v0.9.9
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling synstructure v0.14.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.6
[INFO] [stderr]    Compiling displaydoc v0.2.7
[INFO] [stderr]    Compiling zerofrom-derive v0.1.8
[INFO] [stderr]    Compiling yoke-derive v0.8.4
[INFO] [stderr]    Compiling zerotrie v0.2.5
[INFO] [stderr]    Compiling ctor v0.2.9
[INFO] [stderr]    Compiling errore-impl v0.2.0
[INFO] [stderr]    Compiling zerofrom v0.1.8
[INFO] [stderr]    Compiling yoke v0.8.3
[INFO] [stderr]    Compiling zerovec v0.11.8
[INFO] [stderr]    Compiling tinystr v0.8.4
[INFO] [stderr]    Compiling potential_utf v0.1.6
[INFO] [stderr]    Compiling icu_collections v2.3.0
[INFO] [stderr]    Compiling icu_locale_core v2.3.0
[INFO] [stderr]    Compiling icu_provider v2.3.1
[INFO] [stderr]    Compiling icu_locale_fallback v2.3.0
[INFO] [stderr]    Compiling icu_segmenter v2.3.0
[INFO] [stderr]    Compiling textwrap v0.16.4
[INFO] [stderr]    Compiling errore v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(const_mut_refs)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `const_mut_refs` has been stable since `1.83.0` and no longer requires an attribute to enable
[INFO] [stdout]   = help: the feature `never_type` has been stable since `1.100.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `errore` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused dependency `conquer-once`
[INFO] [stderr]  --> Cargo.toml:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | [dependencies.conquer-once]
[INFO] [stderr]   |               ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `conquer-once`
[INFO] [stderr] warning: unused dependency `hash32`
[INFO] [stderr]   --> Cargo.toml:16:15
[INFO] [stderr]    |
[INFO] [stderr] 16 | [dependencies.hash32]
[INFO] [stderr]    |               ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `hash32`
[INFO] [stderr] warning: unused dependency `spin`
[INFO] [stderr]   --> Cargo.toml:34:15
[INFO] [stderr]    |
[INFO] [stderr] 34 | [dependencies.spin]
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `spin`
[INFO] [stderr] warning: `errore` (manifest) generated 3 warnings
[INFO] running `Command { std: "docker" "inspect" "7a1d0c1ba740894799537491575c8443ee1d703cf4b7531bd0d17c155f3069ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a1d0c1ba740894799537491575c8443ee1d703cf4b7531bd0d17c155f3069ab", kill_on_drop: false }`
[INFO] [stdout] 7a1d0c1ba740894799537491575c8443ee1d703cf4b7531bd0d17c155f3069ab
