[INFO] fetching crate wini_maud_macros 0.26.4...
[INFO] testing wini_maud_macros-0.26.4 against 1.91.0 for beta-1.92-2
[INFO] extracting crate wini_maud_macros 0.26.4 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate wini_maud_macros 0.26.4
[INFO] finished tweaking crates.io crate wini_maud_macros 0.26.4
[INFO] tweaked toml for crates.io crate wini_maud_macros 0.26.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wini_maud_macros 0.26.4 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_macros 0.26.4 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]  Downloading crates ...
[INFO] [stderr]   Downloaded foldhash v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a0246cc31203f55599a66b53454e010fdceb9a56865ce7c85c2f88d3c666d062
[INFO] running `Command { std: "docker" "start" "-a" "a0246cc31203f55599a66b53454e010fdceb9a56865ce7c85c2f88d3c666d062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0246cc31203f55599a66b53454e010fdceb9a56865ce7c85c2f88d3c666d062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0246cc31203f55599a66b53454e010fdceb9a56865ce7c85c2f88d3c666d062", kill_on_drop: false }`
[INFO] [stdout] a0246cc31203f55599a66b53454e010fdceb9a56865ce7c85c2f88d3c666d062
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a1a25899a972cb4de8b4b644b212d1692e0b212a5297ec0543892041be08b613
[INFO] running `Command { std: "docker" "start" "-a" "a1a25899a972cb4de8b4b644b212d1692e0b212a5297ec0543892041be08b613", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[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 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> 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" "a1a25899a972cb4de8b4b644b212d1692e0b212a5297ec0543892041be08b613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1a25899a972cb4de8b4b644b212d1692e0b212a5297ec0543892041be08b613", kill_on_drop: false }`
[INFO] [stdout] a1a25899a972cb4de8b4b644b212d1692e0b212a5297ec0543892041be08b613
