[INFO] fetching crate portal-tunneler 0.1.0-beta.0...
[INFO] testing portal-tunneler-0.1.0-beta.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate portal-tunneler 0.1.0-beta.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate portal-tunneler 0.1.0-beta.0
[INFO] finished tweaking crates.io crate portal-tunneler 0.1.0-beta.0
[INFO] tweaked toml for crates.io crate portal-tunneler 0.1.0-beta.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate portal-tunneler 0.1.0-beta.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 portal-tunneler 0.1.0-beta.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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30b8f7707f898f3ddd35ddea647b036e81f2d0ca12a52734c29b2309d917eeff
[INFO] running `Command { std: "docker" "start" "-a" "30b8f7707f898f3ddd35ddea647b036e81f2d0ca12a52734c29b2309d917eeff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30b8f7707f898f3ddd35ddea647b036e81f2d0ca12a52734c29b2309d917eeff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30b8f7707f898f3ddd35ddea647b036e81f2d0ca12a52734c29b2309d917eeff", kill_on_drop: false }`
[INFO] [stdout] 30b8f7707f898f3ddd35ddea647b036e81f2d0ca12a52734c29b2309d917eeff
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cac70e3b94274e8a90ffb712d57ea0ccd74d147f3c9f7dacb2e11048f88316ea
[INFO] running `Command { std: "docker" "start" "-a" "cac70e3b94274e8a90ffb712d57ea0ccd74d147f3c9f7dacb2e11048f88316ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling getrandom v0.2.13
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling socket2 v0.5.6
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling pem v3.0.3
[INFO] [stderr]    Compiling portal-puncher-sm v0.1.0-beta.0
[INFO] [stderr]    Compiling inlined v0.1.1
[INFO] [stderr]    Compiling base64 v0.22.0
[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/inlined-0.1.1/src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | #![feature(round_char_boundary)] // TODO: Remove once API is stabilized
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `inlined` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cac70e3b94274e8a90ffb712d57ea0ccd74d147f3c9f7dacb2e11048f88316ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cac70e3b94274e8a90ffb712d57ea0ccd74d147f3c9f7dacb2e11048f88316ea", kill_on_drop: false }`
[INFO] [stdout] cac70e3b94274e8a90ffb712d57ea0ccd74d147f3c9f7dacb2e11048f88316ea
