[INFO] fetching crate supercilex-tests 0.4.22...
[INFO] testing supercilex-tests-0.4.22 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate supercilex-tests 0.4.22 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate supercilex-tests 0.4.22
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate supercilex-tests 0.4.22
[INFO] tweaked toml for crates.io crate supercilex-tests 0.4.22 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate supercilex-tests 0.4.22 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 supercilex-tests 0.4.22 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 rustdoc-json v0.9.9
[INFO] [stderr]   Downloaded snapshot-testing v0.1.8
[INFO] [stderr]   Downloaded public-api v0.51.0
[INFO] [stderr]   Downloaded similar-asserts v1.7.0
[INFO] [stderr]   Downloaded cargo-manifest v0.20.0
[INFO] [stderr]   Downloaded expect-test v1.5.1
[INFO] [stderr]   Downloaded rustdoc-types v0.56.0
[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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 35d0b0b905f4af0b03980ef8d8ce0b0a772c6370519016af7057d78cc0438f8f
[INFO] running `Command { std: "docker" "start" "35d0b0b905f4af0b03980ef8d8ce0b0a772c6370519016af7057d78cc0438f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35d0b0b905f4af0b03980ef8d8ce0b0a772c6370519016af7057d78cc0438f8f", 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" "35d0b0b905f4af0b03980ef8d8ce0b0a772c6370519016af7057d78cc0438f8f" "/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" "35d0b0b905f4af0b03980ef8d8ce0b0a772c6370519016af7057d78cc0438f8f", 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" "35d0b0b905f4af0b03980ef8d8ce0b0a772c6370519016af7057d78cc0438f8f" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling winnow v0.7.15
[INFO] [stderr]    Compiling camino v1.2.2
[INFO] [stderr]    Compiling winnow v1.0.2
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling toml_writer v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling hashbag v0.1.13
[INFO] [stderr]    Compiling dissimilar v1.0.11
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling expect-test v1.5.1
[INFO] [stderr]    Compiling toml_parser v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling similar-asserts v1.7.0
[INFO] [stderr]    Compiling snapshot-testing v0.1.8
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling cargo-platform v0.3.3
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling serde_spanned v1.1.1
[INFO] [stderr]    Compiling toml v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling cargo_metadata v0.23.1
[INFO] [stderr]    Compiling rustdoc-types v0.56.0
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling public-api v0.51.0
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling cargo-manifest v0.20.0
[INFO] [stderr]    Compiling rustdoc-json v0.9.9
[INFO] [stderr]    Compiling supercilex-tests v0.4.22 (/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(exit_status_error)]
[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 `supercilex-tests` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "35d0b0b905f4af0b03980ef8d8ce0b0a772c6370519016af7057d78cc0438f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35d0b0b905f4af0b03980ef8d8ce0b0a772c6370519016af7057d78cc0438f8f", kill_on_drop: false }`
[INFO] [stdout] 35d0b0b905f4af0b03980ef8d8ce0b0a772c6370519016af7057d78cc0438f8f
