[INFO] fetching crate sweet_core 0.3.0-rc.1...
[INFO] testing sweet_core-0.3.0-rc.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate sweet_core 0.3.0-rc.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate sweet_core 0.3.0-rc.1
[INFO] finished tweaking crates.io crate sweet_core 0.3.0-rc.1
[INFO] tweaked toml for crates.io crate sweet_core 0.3.0-rc.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sweet_core 0.3.0-rc.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 sweet_core 0.3.0-rc.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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9218e052dafda8d8d9d5dce7e841d953d34c575f2d8b10b663b43c49b2871e46
[INFO] running `Command { std: "docker" "start" "-a" "9218e052dafda8d8d9d5dce7e841d953d34c575f2d8b10b663b43c49b2871e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9218e052dafda8d8d9d5dce7e841d953d34c575f2d8b10b663b43c49b2871e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9218e052dafda8d8d9d5dce7e841d953d34c575f2d8b10b663b43c49b2871e46", kill_on_drop: false }`
[INFO] [stdout] 9218e052dafda8d8d9d5dce7e841d953d34c575f2d8b10b663b43c49b2871e46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b0771a00338f19f2c0073d66132c4ad248521101f3bb85bf79b96a8174996781
[INFO] running `Command { std: "docker" "start" "-a" "b0771a00338f19f2c0073d66132c4ad248521101f3bb85bf79b96a8174996781", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling anstyle-parse v0.2.4
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling anstyle-query v1.1.0
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling anstyle v1.0.7
[INFO] [stderr]    Compiling colorchoice v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling inotify v0.10.2
[INFO] [stderr]    Compiling notify-types v1.0.1
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling filetime v0.2.23
[INFO] [stderr]    Compiling fastrand v2.1.0
[INFO] [stderr]    Compiling clap_lex v0.7.1
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling file-id v0.2.2
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling clap_builder v4.5.9
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling notify v7.0.0
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling notify-debouncer-full v0.4.0
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling crossterm v0.28.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling extend v1.2.0
[INFO] [stderr]    Compiling clap_derive v4.5.8
[INFO] [stderr]    Compiling forky_core v0.2.1-rc.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tokio v1.42.0
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling filedescriptor v0.8.2
[INFO] [stderr]    Compiling gag v1.0.0
[INFO] [stderr]    Compiling clap v4.5.9
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling forky_fs v0.2.1-rc.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/forky_fs-0.2.1-rc.1/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/forky_fs-0.2.1-rc.1/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(async_fn_traits)]
[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 `forky_fs` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b0771a00338f19f2c0073d66132c4ad248521101f3bb85bf79b96a8174996781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0771a00338f19f2c0073d66132c4ad248521101f3bb85bf79b96a8174996781", kill_on_drop: false }`
[INFO] [stdout] b0771a00338f19f2c0073d66132c4ad248521101f3bb85bf79b96a8174996781