[INFO] fetching crate pi_dns_resolver 0.3.0... [INFO] testing pi_dns_resolver-0.3.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate pi_dns_resolver 0.3.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate pi_dns_resolver 0.3.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate pi_dns_resolver 0.3.0 [INFO] tweaked toml for crates.io crate pi_dns_resolver 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate pi_dns_resolver 0.3.0 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate pi_dns_resolver 0.3.0 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5e2f69e44d3be4ec36a66e14c94ba63854ddf6ad5fecaf40f94f9ab020c1dfc6 [INFO] running `Command { std: "docker" "start" "-a" "5e2f69e44d3be4ec36a66e14c94ba63854ddf6ad5fecaf40f94f9ab020c1dfc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5e2f69e44d3be4ec36a66e14c94ba63854ddf6ad5fecaf40f94f9ab020c1dfc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e2f69e44d3be4ec36a66e14c94ba63854ddf6ad5fecaf40f94f9ab020c1dfc6", kill_on_drop: false }` [INFO] [stdout] 5e2f69e44d3be4ec36a66e14c94ba63854ddf6ad5fecaf40f94f9ab020c1dfc6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0d703d97cbe55a8a3d1e25a3fb007acccbd5956890fc2227a11c360d15096a4f [INFO] running `Command { std: "docker" "start" "-a" "0d703d97cbe55a8a3d1e25a3fb007acccbd5956890fc2227a11c360d15096a4f", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Compiling zerocopy v0.8.23 [INFO] [stderr] Compiling smallvec v1.14.0 [INFO] [stderr] Compiling litemap v0.7.5 [INFO] [stderr] Compiling writeable v0.5.5 [INFO] [stderr] Compiling icu_locid_transform_data v1.5.0 [INFO] [stderr] Compiling icu_properties_data v1.5.0 [INFO] [stderr] Compiling once_cell v1.21.0 [INFO] [stderr] Compiling slotmap v1.0.7 [INFO] [stderr] Compiling write16 v1.0.0 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling utf16_iter v1.0.5 [INFO] [stderr] Compiling icu_normalizer_data v1.5.0 [INFO] [stderr] Compiling getrandom v0.3.1 [INFO] [stderr] Compiling percent-encoding v2.3.1 [INFO] [stderr] Compiling object v0.36.7 [INFO] [stderr] Compiling socket2 v0.5.8 [INFO] [stderr] Compiling mio v1.0.3 [INFO] [stderr] Compiling gimli v0.31.1 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling form_urlencoded v1.2.1 [INFO] [stderr] Compiling match_cfg v0.1.0 [INFO] [stderr] Compiling pi_ext_heap v0.1.1 [INFO] [stderr] Compiling miniz_oxide v0.8.5 [INFO] [stderr] Compiling rand_core v0.6.4 [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/pi_ext_heap-0.1.1/src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(min_specialization)] [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/pi_ext_heap-0.1.1/src/lib.rs:145:1 [INFO] [stdout] | [INFO] [stdout] 145 | #![feature(inplace_iteration)] [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/pi_ext_heap-0.1.1/src/lib.rs:146:1 [INFO] [stdout] | [INFO] [stdout] 146 | #![feature(trusted_len)] [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/pi_ext_heap-0.1.1/src/lib.rs:147:1 [INFO] [stdout] | [INFO] [stdout] 147 | #![feature(exact_size_is_empty)] [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/pi_ext_heap-0.1.1/src/lib.rs:148:1 [INFO] [stdout] | [INFO] [stdout] 148 | #![feature(extend_one)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tracing-core v0.1.33 [INFO] [stderr] Compiling rand_core v0.9.3 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Compiling hostname v0.3.1 [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `pi_ext_heap` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "0d703d97cbe55a8a3d1e25a3fb007acccbd5956890fc2227a11c360d15096a4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d703d97cbe55a8a3d1e25a3fb007acccbd5956890fc2227a11c360d15096a4f", kill_on_drop: false }` [INFO] [stdout] 0d703d97cbe55a8a3d1e25a3fb007acccbd5956890fc2227a11c360d15096a4f