[INFO] fetching crate t-web 0.0.1...
[INFO] testing t-web-0.0.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate t-web 0.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate t-web 0.0.1
[INFO] finished tweaking crates.io crate t-web 0.0.1
[INFO] tweaked toml for crates.io crate t-web 0.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate t-web 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 t-web 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 65f414592f7e2aaeaca0dd28bfe447f7a0769cd90463992e7f1dab13ade760b6
[INFO] running `Command { std: "docker" "start" "-a" "65f414592f7e2aaeaca0dd28bfe447f7a0769cd90463992e7f1dab13ade760b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65f414592f7e2aaeaca0dd28bfe447f7a0769cd90463992e7f1dab13ade760b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65f414592f7e2aaeaca0dd28bfe447f7a0769cd90463992e7f1dab13ade760b6", kill_on_drop: false }`
[INFO] [stdout] 65f414592f7e2aaeaca0dd28bfe447f7a0769cd90463992e7f1dab13ade760b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7b14a2fe2b9295045a49a23e9506c208674a7f5b8e7d114bf22c1d4c9a295d67
[INFO] running `Command { std: "docker" "start" "-a" "7b14a2fe2b9295045a49a23e9506c208674a7f5b8e7d114bf22c1d4c9a295d67", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.100
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling wasm-bindgen v0.2.100
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling prettyplease v0.2.35
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling throw_error v0.3.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling send_wrapper v0.6.0
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling or_poisoned v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling utf8-width v0.1.7
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling xxhash-rust v0.8.15
[INFO] [stderr]    Compiling convert_case v0.8.0
[INFO] [stderr]    Compiling guardian v1.3.0
[INFO] [stderr]    Compiling camino v1.1.10
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling html-escape v0.2.13
[INFO] [stderr]    Compiling multimap v0.10.1
[INFO] [stderr]    Compiling winnow v0.7.11
[INFO] [stderr]    Compiling either_of v0.1.6
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling tokio v1.46.1
[INFO] [stderr]    Compiling reactive_graph v0.2.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling server_fn_macro v0.8.2
[INFO] [stderr]    Compiling tachys v0.2.3
[INFO] [stderr]    Compiling server_fn v0.8.2
[INFO] [stderr]    Compiling interpolator v0.5.0
[INFO] [stderr]    Compiling drain_filter_polyfill v0.1.3
[INFO] [stderr]    Compiling linear-map v1.2.0
[INFO] [stderr]    Compiling erased v0.1.2
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling next_tuple v0.1.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling proc-macro-utils v0.10.0
[INFO] [stderr]    Compiling collection_literals v1.0.2
[INFO] [stderr]    Compiling const_str_slice_concat v0.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling leptos_macro v0.8.2
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling manyhow-macros v0.11.4
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling const-str v0.6.2
[INFO] [stderr]    Compiling pathdiff v0.2.3
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling uuid v1.17.0
[INFO] [stderr]    Compiling leptos v0.8.2
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling const_format v0.2.34
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling nill v1.1.0
[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/nill-1.1.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_trait_impl)]
[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 `nill` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7b14a2fe2b9295045a49a23e9506c208674a7f5b8e7d114bf22c1d4c9a295d67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b14a2fe2b9295045a49a23e9506c208674a7f5b8e7d114bf22c1d4c9a295d67", kill_on_drop: false }`
[INFO] [stdout] 7b14a2fe2b9295045a49a23e9506c208674a7f5b8e7d114bf22c1d4c9a295d67