[INFO] fetching crate rstest-bdd 0.1.0-alpha4...
[INFO] testing rstest-bdd-0.1.0-alpha4 against 1.91.0 for beta-1.92-2
[INFO] extracting crate rstest-bdd 0.1.0-alpha4 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate rstest-bdd 0.1.0-alpha4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rstest-bdd 0.1.0-alpha4
[INFO] tweaked toml for crates.io crate rstest-bdd 0.1.0-alpha4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rstest-bdd 0.1.0-alpha4 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rstest-bdd 0.1.0-alpha4 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml_writer v1.0.3
[INFO] [stderr]   Downloaded target-triple v0.1.4
[INFO] [stderr]   Downloaded toml_datetime v0.7.2
[INFO] [stderr]   Downloaded serde_spanned v1.0.2
[INFO] [stderr]   Downloaded serial_test_derive v2.0.0
[INFO] [stderr]   Downloaded trybuild v1.0.111
[INFO] [stderr]   Downloaded fs-set-times v0.20.3
[INFO] [stderr]   Downloaded rustix-linux-procfs v0.1.1
[INFO] [stderr]   Downloaded camino v1.1.12
[INFO] [stderr]   Downloaded io-extras v0.18.4
[INFO] [stderr]   Downloaded rstest-bdd-macros v0.1.0-alpha4
[INFO] [stderr]   Downloaded cap-primitives v3.4.4
[INFO] [stderr]   Downloaded peg-macros v0.6.3
[INFO] [stderr]   Downloaded rstest-bdd-patterns v0.1.0-alpha4
[INFO] [stderr]   Downloaded cap-std v3.4.4
[INFO] [stderr]   Downloaded typed-builder-macro v0.15.2
[INFO] [stderr]   Downloaded typed-builder v0.15.2
[INFO] [stderr]   Downloaded gherkin v0.14.0
[INFO] [stderr]   Downloaded peg v0.6.3
[INFO] [stderr]   Downloaded toml_parser v1.0.3
[INFO] [stderr]   Downloaded toml v0.9.7
[INFO] [stderr]   Downloaded peg-runtime v0.6.3
[INFO] [stderr]   Downloaded serial_test v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16d7250f3bee93cc0f1c0487f6abc778862a133338b66f8dd5c8f0bec60a56cd
[INFO] running `Command { std: "docker" "start" "-a" "16d7250f3bee93cc0f1c0487f6abc778862a133338b66f8dd5c8f0bec60a56cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16d7250f3bee93cc0f1c0487f6abc778862a133338b66f8dd5c8f0bec60a56cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16d7250f3bee93cc0f1c0487f6abc778862a133338b66f8dd5c8f0bec60a56cd", kill_on_drop: false }`
[INFO] [stdout] 16d7250f3bee93cc0f1c0487f6abc778862a133338b66f8dd5c8f0bec60a56cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f00315a0b052e8684feeff282c598ea9b16bcc94df0c2dd0436af16046f201d
[INFO] running `Command { std: "docker" "start" "-a" "2f00315a0b052e8684feeff282c598ea9b16bcc94df0c2dd0436af16046f201d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling serde_core v1.0.225
[INFO] [stderr]    Compiling serde v1.0.225
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling smawk v0.3.2
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling inventory v0.3.21
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling peg v0.6.3
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling serde_derive v1.0.225
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling typed-builder-macro v0.15.2
[INFO] [stderr]    Compiling ctor v0.2.9
[INFO] [stderr]    Compiling typed-builder v0.15.2
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling rstest-bdd-patterns v0.1.0-alpha4
[INFO] [stderr]    Compiling gherkin v0.14.0
[INFO] [stderr]    Compiling rstest-bdd v0.1.0-alpha4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(auto_traits, negative_impls)]
[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 `rstest-bdd` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "2f00315a0b052e8684feeff282c598ea9b16bcc94df0c2dd0436af16046f201d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f00315a0b052e8684feeff282c598ea9b16bcc94df0c2dd0436af16046f201d", kill_on_drop: false }`
[INFO] [stdout] 2f00315a0b052e8684feeff282c598ea9b16bcc94df0c2dd0436af16046f201d