[INFO] fetching crate gland 0.3.1...
[INFO] testing gland-0.3.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate gland 0.3.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate gland 0.3.1
[INFO] finished tweaking crates.io crate gland 0.3.1
[INFO] tweaked toml for crates.io crate gland 0.3.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gland 0.3.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gland 0.3.1 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb226b9b5fca37498bbfba4231f31a3242bce2475297c88e11df5facb343a0ec
[INFO] running `Command { std: "docker" "start" "-a" "fb226b9b5fca37498bbfba4231f31a3242bce2475297c88e11df5facb343a0ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb226b9b5fca37498bbfba4231f31a3242bce2475297c88e11df5facb343a0ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb226b9b5fca37498bbfba4231f31a3242bce2475297c88e11df5facb343a0ec", kill_on_drop: false }`
[INFO] [stdout] fb226b9b5fca37498bbfba4231f31a3242bce2475297c88e11df5facb343a0ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8314d557a21300e3cbf54da7e7b32a31dc8ac92639e682e26869c795b2b2cf5e
[INFO] running `Command { std: "docker" "start" "-a" "8314d557a21300e3cbf54da7e7b32a31dc8ac92639e682e26869c795b2b2cf5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling zerocopy v0.7.32
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling allocator-api2 v0.2.16
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]    Compiling lru v0.12.3
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling tokio-stream v0.1.15
[INFO] [stderr]    Compiling stability v0.1.1
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling strum v0.25.0
[INFO] [stderr]    Compiling ratatui v0.25.0
[INFO] [stderr]    Compiling gland v0.3.1 (/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(trait_upcasting)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `trait_upcasting` has been stable since `1.86.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(doc_cfg)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `trait_upcasting` has been stable since 1.86.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(trait_upcasting)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gland` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8314d557a21300e3cbf54da7e7b32a31dc8ac92639e682e26869c795b2b2cf5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8314d557a21300e3cbf54da7e7b32a31dc8ac92639e682e26869c795b2b2cf5e", kill_on_drop: false }`
[INFO] [stdout] 8314d557a21300e3cbf54da7e7b32a31dc8ac92639e682e26869c795b2b2cf5e