[INFO] fetching crate r3_port_riscv 0.3.1...
[INFO] testing r3_port_riscv-0.3.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate r3_port_riscv 0.3.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate r3_port_riscv 0.3.1
[INFO] finished tweaking crates.io crate r3_port_riscv 0.3.1
[INFO] tweaked toml for crates.io crate r3_port_riscv 0.3.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate r3_port_riscv 0.3.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 108 packages to latest compatible versions
[INFO] [stderr]       Adding riscv v0.7.0 (available: v0.15.0)
[INFO] [stderr]       Adding riscv-rt v0.8.1 (available: v0.16.0)
[INFO] [stderr]       Adding svgbob v0.6.6 (available: v0.6.7)
[INFO] [stderr]       Adding tock-registers v0.7.0 (available: v0.10.1)
[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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c2ddc86791caa90cf9c77ebc54ed3b397b80a28bf473ac424ef05cbf4ab8905
[INFO] running `Command { std: "docker" "start" "-a" "1c2ddc86791caa90cf9c77ebc54ed3b397b80a28bf473ac424ef05cbf4ab8905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c2ddc86791caa90cf9c77ebc54ed3b397b80a28bf473ac424ef05cbf4ab8905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c2ddc86791caa90cf9c77ebc54ed3b397b80a28bf473ac424ef05cbf4ab8905", kill_on_drop: false }`
[INFO] [stdout] 1c2ddc86791caa90cf9c77ebc54ed3b397b80a28bf473ac424ef05cbf4ab8905
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42305a1c8bd0c4c3ee11146b9345e18cd5be31b763e217c896c50317a65c39ac
[INFO] running `Command { std: "docker" "start" "-a" "42305a1c8bd0c4c3ee11146b9345e18cd5be31b763e217c896c50317a65c39ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling base64 v0.13.1
[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/memoffset-0.6.5/src/lib.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     feature(const_ptr_offset_from, const_refs_to_cell)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `const_refs_to_cell` has been stable since `1.83.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memoffset` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "42305a1c8bd0c4c3ee11146b9345e18cd5be31b763e217c896c50317a65c39ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42305a1c8bd0c4c3ee11146b9345e18cd5be31b763e217c896c50317a65c39ac", kill_on_drop: false }`
[INFO] [stdout] 42305a1c8bd0c4c3ee11146b9345e18cd5be31b763e217c896c50317a65c39ac
