[INFO] fetching crate str0 0.1.8...
[INFO] testing str0-0.1.8 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate str0 0.1.8 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate str0 0.1.8
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate str0 0.1.8
[INFO] tweaked toml for crates.io crate str0 0.1.8 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate str0 0.1.8 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 74 packages to latest compatible versions
[INFO] [stderr]       Adding roaring v0.10.12 (available: v0.11.2)
[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] d682bf16484aa778fc0545972f1dcfd1eacf10da065013ac0a2c18d6baec150d
[INFO] running `Command { std: "docker" "start" "-a" "d682bf16484aa778fc0545972f1dcfd1eacf10da065013ac0a2c18d6baec150d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d682bf16484aa778fc0545972f1dcfd1eacf10da065013ac0a2c18d6baec150d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d682bf16484aa778fc0545972f1dcfd1eacf10da065013ac0a2c18d6baec150d", kill_on_drop: false }`
[INFO] [stdout] d682bf16484aa778fc0545972f1dcfd1eacf10da065013ac0a2c18d6baec150d
[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] a4885a36b291343516235d6238e23c46dab0635c39247a8ee0b806c554b2c413
[INFO] running `Command { std: "docker" "start" "-a" "a4885a36b291343516235d6238e23c46dab0635c39247a8ee0b806c554b2c413", kill_on_drop: false }`
[INFO] [stderr]    Compiling roaring v0.10.12
[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/roaring-0.10.12/src/lib.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![cfg_attr(feature = "simd", feature(portable_simd))]
[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 `roaring` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a4885a36b291343516235d6238e23c46dab0635c39247a8ee0b806c554b2c413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4885a36b291343516235d6238e23c46dab0635c39247a8ee0b806c554b2c413", kill_on_drop: false }`
[INFO] [stdout] a4885a36b291343516235d6238e23c46dab0635c39247a8ee0b806c554b2c413