[INFO] fetching crate v_utils 2.20.0...
[INFO] testing v_utils-2.20.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate v_utils 2.20.0 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate v_utils 2.20.0
[INFO] finished tweaking crates.io crate v_utils 2.20.0
[INFO] tweaked toml for crates.io crate v_utils 2.20.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate v_utils 2.20.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate v_utils 2.20.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] aeb68a08c655efd0b9cadf5a7416e8d3bb416ab3863ea1ff20b5c1ebc206a320
[INFO] running `Command { std: "docker" "start" "aeb68a08c655efd0b9cadf5a7416e8d3bb416ab3863ea1ff20b5c1ebc206a320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeb68a08c655efd0b9cadf5a7416e8d3bb416ab3863ea1ff20b5c1ebc206a320", 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" "aeb68a08c655efd0b9cadf5a7416e8d3bb416ab3863ea1ff20b5c1ebc206a320" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeb68a08c655efd0b9cadf5a7416e8d3bb416ab3863ea1ff20b5c1ebc206a320", 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" "aeb68a08c655efd0b9cadf5a7416e8d3bb416ab3863ea1ff20b5c1ebc206a320" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling zerocopy v0.8.55
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling log v0.4.33
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling owo-colors v4.3.0
[INFO] [stderr]    Compiling unicode-segmentation v1.13.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.28
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling convert_case v0.10.0
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling syn v3.0.3
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling regex-automata v0.4.16
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling vte v0.14.1
[INFO] [stderr]    Compiling thread_local v1.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling thiserror v2.0.19
[INFO] [stderr]    Compiling v_utils_macros v2.14.0
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling fastrand v2.5.0
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[INFO] [stderr]    Compiling supports-color v3.0.2
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling strip-ansi-escapes v0.2.1
[INFO] [stderr]    Compiling backtrace-ext v0.2.1
[INFO] [stderr]    Compiling terminal_size v0.4.4
[INFO] [stderr]    Compiling sha1 v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling console v0.16.4
[INFO] [stderr]    Compiling function_name-proc-macro v0.3.0
[INFO] [stderr]    Compiling v_utils v2.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.19
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling regex v1.13.1
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling supports-unicode v3.0.0
[INFO] [stderr]    Compiling supports-hyperlinks v3.2.0
[INFO] [stderr]    Compiling indenter v0.3.4
[INFO] [stderr]    Compiling ustr v1.1.0
[INFO] [stderr]    Compiling tokio v1.53.1
[INFO] [stderr]    Compiling insta v1.48.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling miette-derive v7.6.0
[INFO] [stderr]    Compiling strum_macros v0.28.0
[INFO] [stderr]    Compiling darling_macro v0.23.0
[INFO] [stderr]    Compiling darling v0.23.0
[INFO] [stderr]    Compiling bon-macros v3.9.3
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling miette v7.6.0
[INFO] [stderr]    Compiling derive-new v0.7.0
[INFO] [stderr]    Compiling function_name v0.3.0
[INFO] [stderr]    Compiling totp-lite v2.0.1
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling data-encoding v2.11.1
[INFO] [stderr]    Compiling tracing-serde v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling strum v0.28.0
[INFO] [stderr]    Compiling xdg v3.0.0
[INFO] [stderr]    Compiling derive_more v2.1.1
[INFO] [stderr]    Compiling tracing-error v0.2.1
[INFO] [stderr]    Compiling bon v3.9.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(adt_const_params)]
[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 `v_utils` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "aeb68a08c655efd0b9cadf5a7416e8d3bb416ab3863ea1ff20b5c1ebc206a320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeb68a08c655efd0b9cadf5a7416e8d3bb416ab3863ea1ff20b5c1ebc206a320", kill_on_drop: false }`
[INFO] [stdout] aeb68a08c655efd0b9cadf5a7416e8d3bb416ab3863ea1ff20b5c1ebc206a320
