[INFO] fetching crate wini-maud 0.26.8...
[INFO] testing wini-maud-0.26.8 against 1.91.0 for beta-1.92-2
[INFO] extracting crate wini-maud 0.26.8 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate wini-maud 0.26.8
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate wini-maud 0.26.8
[INFO] tweaked toml for crates.io crate wini-maud 0.26.8 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wini-maud 0.26.8 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 wini-maud 0.26.8 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 sval_json v2.16.0
[INFO] [stderr]   Downloaded sval_buffer v2.16.0
[INFO] [stderr]   Downloaded value-bag-sval2 v1.11.1
[INFO] [stderr]   Downloaded sval_nested v2.16.0
[INFO] [stderr]   Downloaded sval_ref v2.16.0
[INFO] [stderr]   Downloaded wini_maud_macros v0.26.4
[INFO] [stderr]   Downloaded sval_serde v2.16.0
[INFO] [stderr]   Downloaded pear_codegen v0.2.9
[INFO] [stderr]   Downloaded devise_codegen v0.4.2
[INFO] [stderr]   Downloaded lunatic-sys v0.13.0
[INFO] [stderr]   Downloaded better-bae-macros v0.1.9
[INFO] [stderr]   Downloaded lunatic-test v0.13.0
[INFO] [stderr]   Downloaded binascii v0.1.4
[INFO] [stderr]   Downloaded devise v0.4.2
[INFO] [stderr]   Downloaded better-bae v0.1.9
[INFO] [stderr]   Downloaded value-bag-serde1 v1.11.1
[INFO] [stderr]   Downloaded inlinable_string v0.1.15
[INFO] [stderr]   Downloaded pear v0.2.9
[INFO] [stderr]   Downloaded atomic v0.6.1
[INFO] [stderr]   Downloaded generator v0.7.5
[INFO] [stderr]   Downloaded atomic v0.5.3
[INFO] [stderr]   Downloaded loom v0.5.6
[INFO] [stderr]   Downloaded rocket_http v0.5.1
[INFO] [stderr]   Downloaded lunatic v0.13.1
[INFO] [stderr]   Downloaded rocket_codegen v0.5.1
[INFO] [stderr]   Downloaded cc v1.2.42
[INFO] [stderr]   Downloaded tide v0.16.0
[INFO] [stderr]   Downloaded trybuild v1.0.112
[INFO] [stderr]   Downloaded submillisecond v0.4.1
[INFO] [stderr]   Downloaded http-client v6.5.3
[INFO] [stderr]   Downloaded dissimilar v1.0.10
[INFO] [stderr]   Downloaded multer v2.1.0
[INFO] [stderr]   Downloaded tungstenite v0.21.0
[INFO] [stderr]   Downloaded sval v2.16.0
[INFO] [stderr]   Downloaded warp v0.3.7
[INFO] [stderr]   Downloaded rocket v0.5.1
[INFO] [stderr]   Downloaded state v0.6.0
[INFO] [stderr]   Downloaded async-process v2.5.0
[INFO] [stderr]   Downloaded tokio-tungstenite v0.21.0
[INFO] [stderr]   Downloaded devise_core v0.4.2
[INFO] [stderr]   Downloaded proc-macro2-diagnostics v0.10.1
[INFO] [stderr]   Downloaded ubyte v0.10.4
[INFO] [stderr]   Downloaded lunatic-log v0.4.0
[INFO] [stderr]   Downloaded rust-format v0.3.4
[INFO] [stderr]   Downloaded submillisecond_macros v0.3.0
[INFO] [stderr]   Downloaded sval_dynamic v2.16.0
[INFO] [stderr]   Downloaded stable-pattern v0.1.0
[INFO] [stderr]   Downloaded async-signal v0.2.13
[INFO] [stderr]   Downloaded route-recognizer v0.2.0
[INFO] [stderr]   Downloaded lunatic-macros v0.13.0
[INFO] [stderr]   Downloaded async-sse v4.1.0
[INFO] [stderr]   Downloaded target-triple v0.1.4
[INFO] [stderr]   Downloaded serde_fmt v1.0.3
[INFO] [stderr]   Downloaded sval_fmt v2.16.0
[INFO] [stderr]   Downloaded windows v0.48.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f8c543868e958f5e82f662b284c6cad1ace47f512c0666ac73ef0670b8e42c0b
[INFO] running `Command { std: "docker" "start" "-a" "f8c543868e958f5e82f662b284c6cad1ace47f512c0666ac73ef0670b8e42c0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8c543868e958f5e82f662b284c6cad1ace47f512c0666ac73ef0670b8e42c0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8c543868e958f5e82f662b284c6cad1ace47f512c0666ac73ef0670b8e42c0b", kill_on_drop: false }`
[INFO] [stdout] f8c543868e958f5e82f662b284c6cad1ace47f512c0666ac73ef0670b8e42c0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ea32c15ac380649aef61bea40b60d975559d8352b0b3a0d312f77dde8f9d4c01
[INFO] running `Command { std: "docker" "start" "-a" "ea32c15ac380649aef61bea40b60d975559d8352b0b3a0d312f77dde8f9d4c01", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling wini_maud_macros v0.26.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/wini_maud_macros-0.26.4/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(extend_one)]
[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 `wini_maud_macros` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ea32c15ac380649aef61bea40b60d975559d8352b0b3a0d312f77dde8f9d4c01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea32c15ac380649aef61bea40b60d975559d8352b0b3a0d312f77dde8f9d4c01", kill_on_drop: false }`
[INFO] [stdout] ea32c15ac380649aef61bea40b60d975559d8352b0b3a0d312f77dde8f9d4c01