[INFO] fetching crate wamp-core 0.1.2... [INFO] testing wamp-core-0.1.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate wamp-core 0.1.2 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate wamp-core 0.1.2 [INFO] finished tweaking crates.io crate wamp-core 0.1.2 [INFO] tweaked toml for crates.io crate wamp-core 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate wamp-core 0.1.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 105 packages to latest compatible versions [INFO] [stderr] Adding http v0.2.12 (available: v1.3.1) [INFO] [stderr] Adding tungstenite v0.20.1 (available: v0.28.0) [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 281378c8974e457ed11c333ed5c834bce5bafa86b949045d6ccb7965c19c4356 [INFO] running `Command { std: "docker" "start" "-a" "281378c8974e457ed11c333ed5c834bce5bafa86b949045d6ccb7965c19c4356", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "281378c8974e457ed11c333ed5c834bce5bafa86b949045d6ccb7965c19c4356", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "281378c8974e457ed11c333ed5c834bce5bafa86b949045d6ccb7965c19c4356", kill_on_drop: false }` [INFO] [stdout] 281378c8974e457ed11c333ed5c834bce5bafa86b949045d6ccb7965c19c4356 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3d0120b124e36eb9dfdaed1069e44d193451e234790c580d9560653e63fc9d81 [INFO] running `Command { std: "docker" "start" "-a" "3d0120b124e36eb9dfdaed1069e44d193451e234790c580d9560653e63fc9d81", kill_on_drop: false }` [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stderr] Compiling find-msvc-tools v0.1.2 [INFO] [stderr] Compiling writeable v0.6.1 [INFO] [stderr] Compiling typenum v1.18.0 [INFO] [stderr] Compiling litemap v0.8.0 [INFO] [stderr] Compiling pkg-config v0.3.32 [INFO] [stderr] Compiling cfg-if v1.0.3 [INFO] [stderr] Compiling icu_properties_data v2.0.1 [INFO] [stderr] Compiling icu_normalizer_data v2.0.0 [INFO] [stderr] Compiling zerocopy v0.8.27 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling openssl v0.10.73 [INFO] [stderr] Compiling bitflags v2.9.4 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling httparse v1.10.1 [INFO] [stderr] Compiling percent-encoding v2.3.2 [INFO] [stderr] Compiling cc v1.2.39 [INFO] [stderr] Compiling native-tls v0.2.14 [INFO] [stderr] Compiling form_urlencoded v1.2.2 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling bytes v1.10.1 [INFO] [stderr] Compiling openssl-probe v0.1.6 [INFO] [stderr] Compiling cpufeatures v0.2.17 [INFO] [stderr] Compiling regex-syntax v0.8.6 [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling data-encoding v2.9.0 [INFO] [stderr] Compiling http v0.2.12 [INFO] [stderr] Compiling openssl-sys v0.9.109 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling block-buffer v0.10.4 [INFO] [stderr] Compiling crypto-common v0.1.6 [INFO] [stderr] Compiling digest v0.10.7 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling sha1 v0.10.6 [INFO] [stderr] Compiling regex-automata v0.4.11 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Compiling zerovec-derive v0.11.1 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling serde_repr v0.1.20 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.8.0 [INFO] [stderr] Compiling regex v1.11.3 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling zerofrom v0.1.6 [INFO] [stderr] Compiling yoke v0.8.0 [INFO] [stderr] Compiling zerotrie v0.2.2 [INFO] [stderr] Compiling zerovec v0.11.4 [INFO] [stderr] Compiling tinystr v0.8.1 [INFO] [stderr] Compiling potential_utf v0.1.3 [INFO] [stderr] Compiling icu_collections v2.0.0 [INFO] [stderr] Compiling icu_locale_core v2.0.0 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling icu_provider v2.0.0 [INFO] [stderr] Compiling icu_normalizer v2.0.0 [INFO] [stderr] Compiling icu_properties v2.0.1 [INFO] [stderr] Compiling idna_adapter v1.2.1 [INFO] [stderr] Compiling idna v1.1.0 [INFO] [stderr] Compiling url v2.5.7 [INFO] [stderr] Compiling tungstenite v0.20.1 [INFO] [stderr] Compiling wamp-core v0.1.2 (/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(associated_type_defaults)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(slice_pattern)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(lazy_cell)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `lazy_cell` has been stable since 1.80.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(lazy_cell)] [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 `wamp-core` (lib) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "3d0120b124e36eb9dfdaed1069e44d193451e234790c580d9560653e63fc9d81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d0120b124e36eb9dfdaed1069e44d193451e234790c580d9560653e63fc9d81", kill_on_drop: false }` [INFO] [stdout] 3d0120b124e36eb9dfdaed1069e44d193451e234790c580d9560653e63fc9d81