[INFO] fetching crate teensy4-fcb 0.4.0...
[INFO] testing teensy4-fcb-0.4.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate teensy4-fcb 0.4.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate teensy4-fcb 0.4.0
[INFO] finished tweaking crates.io crate teensy4-fcb 0.4.0
[INFO] tweaked toml for crates.io crate teensy4-fcb 0.4.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate teensy4-fcb 0.4.0 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 1 package to latest compatible version
[INFO] [stderr]       Adding imxrt-boot-gen v0.3.4 (available: v0.4.0)
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ccfe5cc3e08e54d11bd4aca6bfc7477a7e2dc5f389884d711736ca231cb92948
[INFO] running `Command { std: "docker" "start" "-a" "ccfe5cc3e08e54d11bd4aca6bfc7477a7e2dc5f389884d711736ca231cb92948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccfe5cc3e08e54d11bd4aca6bfc7477a7e2dc5f389884d711736ca231cb92948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccfe5cc3e08e54d11bd4aca6bfc7477a7e2dc5f389884d711736ca231cb92948", kill_on_drop: false }`
[INFO] [stdout] ccfe5cc3e08e54d11bd4aca6bfc7477a7e2dc5f389884d711736ca231cb92948
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ba0a0ea99655c95ed6225a5ac14e1a076e1b567143ac12b0a478664c664858da
[INFO] running `Command { std: "docker" "start" "-a" "ba0a0ea99655c95ed6225a5ac14e1a076e1b567143ac12b0a478664c664858da", kill_on_drop: false }`
[INFO] [stderr]    Compiling imxrt-boot-gen v0.3.4
[INFO] [stderr]    Compiling teensy4-fcb v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "ba0a0ea99655c95ed6225a5ac14e1a076e1b567143ac12b0a478664c664858da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba0a0ea99655c95ed6225a5ac14e1a076e1b567143ac12b0a478664c664858da", kill_on_drop: false }`
[INFO] [stdout] ba0a0ea99655c95ed6225a5ac14e1a076e1b567143ac12b0a478664c664858da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f92095681b354c676d0a41df18e39c2458bfd1c11204b1bd969f73f5b571ce07
[INFO] running `Command { std: "docker" "start" "-a" "f92095681b354c676d0a41df18e39c2458bfd1c11204b1bd969f73f5b571ce07", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "f92095681b354c676d0a41df18e39c2458bfd1c11204b1bd969f73f5b571ce07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f92095681b354c676d0a41df18e39c2458bfd1c11204b1bd969f73f5b571ce07", kill_on_drop: false }`
[INFO] [stdout] f92095681b354c676d0a41df18e39c2458bfd1c11204b1bd969f73f5b571ce07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fd48eca70c6303fec1aa6f23b533544b57df675f9298d55937b4829332bcee41
[INFO] running `Command { std: "docker" "start" "-a" "fd48eca70c6303fec1aa6f23b533544b57df675f9298d55937b4829332bcee41", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "fd48eca70c6303fec1aa6f23b533544b57df675f9298d55937b4829332bcee41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd48eca70c6303fec1aa6f23b533544b57df675f9298d55937b4829332bcee41", kill_on_drop: false }`
[INFO] [stdout] fd48eca70c6303fec1aa6f23b533544b57df675f9298d55937b4829332bcee41