[INFO] fetching crate nuit 0.2.0...
[INFO] testing nuit-0.2.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate nuit 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate nuit 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate nuit 0.2.0
[INFO] tweaked toml for crates.io crate nuit 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nuit 0.2.0 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 nuit 0.2.0 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
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nuit-derive v0.2.0
[INFO] [stderr]   Downloaded serde_derive v1.0.209
[INFO] [stderr]   Downloaded serde v1.0.209
[INFO] [stderr]   Downloaded nuit-core v0.2.0
[INFO] [stderr]   Downloaded nuit-bridge-swiftui v0.2.0
[INFO] [stderr]   Downloaded nuit-bridge-adwaita v0.2.0
[INFO] [stderr]   Downloaded gsk4-sys v0.9.0
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.20.1
[INFO] [stderr]   Downloaded cairo-sys-rs v0.20.0
[INFO] [stderr]   Downloaded graphene-sys v0.20.1
[INFO] [stderr]   Downloaded gdk-pixbuf v0.20.1
[INFO] [stderr]   Downloaded system-deps v7.0.2
[INFO] [stderr]   Downloaded gobject-sys v0.20.1
[INFO] [stderr]   Downloaded libadwaita-sys v0.7.0
[INFO] [stderr]   Downloaded gsk4 v0.9.0
[INFO] [stderr]   Downloaded gtk4-macros v0.9.1
[INFO] [stderr]   Downloaded pango-sys v0.20.1
[INFO] [stderr]   Downloaded graphene-rs v0.20.1
[INFO] [stderr]   Downloaded pango v0.20.1
[INFO] [stderr]   Downloaded cfg-expr v0.16.0
[INFO] [stderr]   Downloaded cairo-rs v0.20.1
[INFO] [stderr]   Downloaded gdk4-sys v0.9.0
[INFO] [stderr]   Downloaded glib-sys v0.20.2
[INFO] [stderr]   Downloaded glib-macros v0.20.2
[INFO] [stderr]   Downloaded gio-sys v0.20.1
[INFO] [stderr]   Downloaded gdk4 v0.9.0
[INFO] [stderr]   Downloaded toml_edit v0.22.20
[INFO] [stderr]   Downloaded gtk4-sys v0.9.0
[INFO] [stderr]   Downloaded libadwaita v0.7.0
[INFO] [stderr]   Downloaded gio v0.20.1
[INFO] [stderr]   Downloaded glib v0.20.2
[INFO] [stderr]   Downloaded gtk4 v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2dfc4d04570af16a896d73ef5fe90493bb2ccd324651b41732905aaf36e9ea33
[INFO] running `Command { std: "docker" "start" "2dfc4d04570af16a896d73ef5fe90493bb2ccd324651b41732905aaf36e9ea33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dfc4d04570af16a896d73ef5fe90493bb2ccd324651b41732905aaf36e9ea33", 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" "2dfc4d04570af16a896d73ef5fe90493bb2ccd324651b41732905aaf36e9ea33" "/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" "2dfc4d04570af16a896d73ef5fe90493bb2ccd324651b41732905aaf36e9ea33", 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" "2dfc4d04570af16a896d73ef5fe90493bb2ccd324651b41732905aaf36e9ea33" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling winnow v0.6.18
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling gio v0.20.1
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling ref-cast v1.0.23
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling field-offset v0.3.6
[INFO] [stderr]    Compiling cfg-expr v0.16.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling ref-cast-impl v1.0.23
[INFO] [stderr]    Compiling nuit-derive v0.2.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nuit-derive-0.2.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `let_chains` has been stable since `1.88.0` 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 `nuit-derive` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2dfc4d04570af16a896d73ef5fe90493bb2ccd324651b41732905aaf36e9ea33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dfc4d04570af16a896d73ef5fe90493bb2ccd324651b41732905aaf36e9ea33", kill_on_drop: false }`
[INFO] [stdout] 2dfc4d04570af16a896d73ef5fe90493bb2ccd324651b41732905aaf36e9ea33
