[INFO] fetching crate xhash 0.1.32...
[INFO] testing xhash-0.1.32 against 1.91.0 for beta-1.92-2
[INFO] extracting crate xhash 0.1.32 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate xhash 0.1.32
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate xhash 0.1.32
[INFO] tweaked toml for crates.io crate xhash 0.1.32 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xhash 0.1.32 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 xhash 0.1.32 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 xerr v0.1.15
[INFO] [stderr]   Downloaded once_cell v1.21.1
[INFO] [stderr]   Downloaded miniz_oxide v0.8.5
[INFO] [stderr]   Downloaded intbin v0.2.3
[INFO] [stderr]   Downloaded aok v0.1.17
[INFO] [stderr]   Downloaded ifs v0.1.45
[INFO] [stderr]   Downloaded pipe v0.4.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.14
[INFO] [stderr]   Downloaded tokio v1.44.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3104004671a1b29a6b40f0b1f2abdee1d05c2517d0e28d0a3fe5a6aebfa64c9d
[INFO] running `Command { std: "docker" "start" "-a" "3104004671a1b29a6b40f0b1f2abdee1d05c2517d0e28d0a3fe5a6aebfa64c9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3104004671a1b29a6b40f0b1f2abdee1d05c2517d0e28d0a3fe5a6aebfa64c9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3104004671a1b29a6b40f0b1f2abdee1d05c2517d0e28d0a3fe5a6aebfa64c9d", kill_on_drop: false }`
[INFO] [stdout] 3104004671a1b29a6b40f0b1f2abdee1d05c2517d0e28d0a3fe5a6aebfa64c9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] eebf2b0e06fe05080f332b4eb5b922469dba44e74d0ddf105d8f52bfca4ca787
[INFO] running `Command { std: "docker" "start" "-a" "eebf2b0e06fe05080f332b4eb5b922469dba44e74d0ddf105d8f52bfca4ca787", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling xxhash-rust v0.8.15
[INFO] [stderr]    Compiling intbin v0.2.3
[INFO] [stderr]    Compiling xhash v0.1.32 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(doc_cfg)]
[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 `xhash` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "eebf2b0e06fe05080f332b4eb5b922469dba44e74d0ddf105d8f52bfca4ca787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eebf2b0e06fe05080f332b4eb5b922469dba44e74d0ddf105d8f52bfca4ca787", kill_on_drop: false }`
[INFO] [stdout] eebf2b0e06fe05080f332b4eb5b922469dba44e74d0ddf105d8f52bfca4ca787