[INFO] fetching crate rumtk-v2-interface 0.2.2... [INFO] testing rumtk-v2-interface-0.2.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate rumtk-v2-interface 0.2.2 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate rumtk-v2-interface 0.2.2 [INFO] finished tweaking crates.io crate rumtk-v2-interface 0.2.2 [INFO] tweaked toml for crates.io crate rumtk-v2-interface 0.2.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rumtk-v2-interface 0.2.2 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] crate crates.io crate rumtk-v2-interface 0.2.2 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] 717871674f4b994b2f862d305358fa4d235ebf7cd21ff37260d29006c6ef0525 [INFO] running `Command { std: "docker" "start" "-a" "717871674f4b994b2f862d305358fa4d235ebf7cd21ff37260d29006c6ef0525", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "717871674f4b994b2f862d305358fa4d235ebf7cd21ff37260d29006c6ef0525", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "717871674f4b994b2f862d305358fa4d235ebf7cd21ff37260d29006c6ef0525", kill_on_drop: false }` [INFO] [stdout] 717871674f4b994b2f862d305358fa4d235ebf7cd21ff37260d29006c6ef0525 [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] ec3b7434ed2e1e44cabb39db7ff5e2ad0e8846f6c5499fd72058f7d70f74a302 [INFO] running `Command { std: "docker" "start" "-a" "ec3b7434ed2e1e44cabb39db7ff5e2ad0e8846f6c5499fd72058f7d70f74a302", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling siphasher v1.0.1 [INFO] [stderr] Compiling rustversion v1.0.19 [INFO] [stderr] Compiling zerocopy v0.8.25 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling ahash v0.8.12 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling itoa v1.0.14 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Compiling clap_lex v0.7.4 [INFO] [stderr] Compiling fastrand v2.3.0 [INFO] [stderr] Compiling bytes v1.9.0 [INFO] [stderr] Compiling clap_builder v4.5.38 [INFO] [stderr] Compiling phf_shared v0.12.1 [INFO] [stderr] Compiling once_cell v1.20.2 [INFO] [stderr] Compiling iana-time-zone v0.1.61 [INFO] [stderr] Compiling phf_generator v0.12.1 [INFO] [stderr] Compiling phf v0.12.1 [INFO] [stderr] Compiling castaway v0.2.3 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling chardetng v0.1.17 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling chrono v0.4.39 [INFO] [stderr] Compiling syn v2.0.96 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling mio v1.0.3 [INFO] [stderr] Compiling socket2 v0.5.8 [INFO] [stderr] Compiling signal-hook-registry v1.4.2 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling clap_derive v4.5.32 [INFO] [stderr] Compiling uuid-macro-internal v1.12.1 [INFO] [stderr] Compiling phf_macros v0.12.1 [INFO] [stderr] Compiling tokio v1.45.0 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling zerocopy v0.7.35 [INFO] [stderr] Compiling ppv-lite86 v0.2.20 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling clap v4.5.38 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling uuid v1.12.0 [INFO] [stderr] Compiling compact_str v0.9.0 [INFO] [stderr] Compiling rumtk-core v0.8.2 [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/rumtk-core-0.8.2/src/lib.rs:22:1 [INFO] [stdout] | [INFO] [stdout] 22 | #![feature(inherent_associated_types)] [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/rumtk-core-0.8.2/src/lib.rs:23:1 [INFO] [stdout] | [INFO] [stdout] 23 | #![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/rumtk-core-0.8.2/src/lib.rs:24:1 [INFO] [stdout] | [INFO] [stdout] 24 | #![feature(unboxed_closures)] [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/rumtk-core-0.8.2/src/lib.rs:25:1 [INFO] [stdout] | [INFO] [stdout] 25 | #![feature(buf_read_has_data_left)] [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 `rumtk-core` (lib) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "ec3b7434ed2e1e44cabb39db7ff5e2ad0e8846f6c5499fd72058f7d70f74a302", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec3b7434ed2e1e44cabb39db7ff5e2ad0e8846f6c5499fd72058f7d70f74a302", kill_on_drop: false }` [INFO] [stdout] ec3b7434ed2e1e44cabb39db7ff5e2ad0e8846f6c5499fd72058f7d70f74a302