[INFO] fetching crate techkit 0.0.1...
[INFO] testing techkit-0.0.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate techkit 0.0.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate techkit 0.0.1
[INFO] finished tweaking crates.io crate techkit 0.0.1
[INFO] tweaked toml for crates.io crate techkit 0.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate techkit 0.0.1 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 techkit 0.0.1 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 706f7d61ea9804339e4ba4c7e08e72c23f40d089075c192c4a396bcff76da085
[INFO] running `Command { std: "docker" "start" "-a" "706f7d61ea9804339e4ba4c7e08e72c23f40d089075c192c4a396bcff76da085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "706f7d61ea9804339e4ba4c7e08e72c23f40d089075c192c4a396bcff76da085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "706f7d61ea9804339e4ba4c7e08e72c23f40d089075c192c4a396bcff76da085", kill_on_drop: false }`
[INFO] [stdout] 706f7d61ea9804339e4ba4c7e08e72c23f40d089075c192c4a396bcff76da085
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f903a3fee81cb0ab40fb95b38c3f86f36c587951db6f437503d34afb0108663e
[INFO] running `Command { std: "docker" "start" "-a" "f903a3fee81cb0ab40fb95b38c3f86f36c587951db6f437503d34afb0108663e", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling fast-macro v0.0.0
[INFO] [stderr]    Compiling derive_more v1.0.0
[INFO] [stderr]    Compiling fast v0.1.0
[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/fast-0.1.0/src/lib.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout]  2 | / #![feature(
[INFO] [stdout]  3 | |     repr_simd,
[INFO] [stdout]  4 | |     try_blocks,
[INFO] [stdout]  5 | |     core_intrinsics,
[INFO] [stdout] ...  |
[INFO] [stdout]  9 | |     const_type_id
[INFO] [stdout] 10 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fast-0.1.0/src/rng/mod.rs:121:21
[INFO] [stdout]     |
[INFO] [stdout] 121 |         Id(unsafe { type_id::<T>() })
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^ expected `u128`, found `TypeId`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fast` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f903a3fee81cb0ab40fb95b38c3f86f36c587951db6f437503d34afb0108663e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f903a3fee81cb0ab40fb95b38c3f86f36c587951db6f437503d34afb0108663e", kill_on_drop: false }`
[INFO] [stdout] f903a3fee81cb0ab40fb95b38c3f86f36c587951db6f437503d34afb0108663e