[INFO] cloning repository https://github.com/jonlamb-gh/rpi3-rust-workspace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonlamb-gh/rpi3-rust-workspace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonlamb-gh%2Frpi3-rust-workspace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonlamb-gh%2Frpi3-rust-workspace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83347d5a6635bbf8b26d726cda7b77b17647f337
[INFO] testing jonlamb-gh/rpi3-rust-workspace against beta-2025-09-21 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonlamb-gh%2Frpi3-rust-workspace" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/jonlamb-gh/rpi3-rust-workspace
[INFO] finished tweaking git repo https://github.com/jonlamb-gh/rpi3-rust-workspace
[INFO] tweaked toml for git repo https://github.com/jonlamb-gh/rpi3-rust-workspace written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jonlamb-gh/rpi3-rust-workspace 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 git repo https://github.com/jonlamb-gh/rpi3-rust-workspace 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18983a8d891150b8695838df903ff0f442997b8f6c5cff19b87cc7ce032f6da4
[INFO] running `Command { std: "docker" "start" "-a" "18983a8d891150b8695838df903ff0f442997b8f6c5cff19b87cc7ce032f6da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18983a8d891150b8695838df903ff0f442997b8f6c5cff19b87cc7ce032f6da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18983a8d891150b8695838df903ff0f442997b8f6c5cff19b87cc7ce032f6da4", kill_on_drop: false }`
[INFO] [stdout] 18983a8d891150b8695838df903ff0f442997b8f6c5cff19b87cc7ce032f6da4
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 462a85bfc7c2bd7e5d4dddcb34f354d9ab4c66b85cea3b264829a115e3fac398
[INFO] running `Command { std: "docker" "start" "-a" "462a85bfc7c2bd7e5d4dddcb34f354d9ab4c66b85cea3b264829a115e3fac398", kill_on_drop: false }`
[INFO] [stderr]    Compiling tock-registers v0.3.0
[INFO] [stderr]    Compiling nb v0.1.2
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling embedded-hal v0.2.3
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tock-registers-0.3.0/src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.54.0; see <https://github.com/rust-lang/rust/pull/85109> for more information
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tock-registers` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "462a85bfc7c2bd7e5d4dddcb34f354d9ab4c66b85cea3b264829a115e3fac398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "462a85bfc7c2bd7e5d4dddcb34f354d9ab4c66b85cea3b264829a115e3fac398", kill_on_drop: false }`
[INFO] [stdout] 462a85bfc7c2bd7e5d4dddcb34f354d9ab4c66b85cea3b264829a115e3fac398