[INFO] fetching crate teensy4-fcb 0.4.0...
[INFO] testing teensy4-fcb-0.4.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate teensy4-fcb 0.4.0 into /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate teensy4-fcb 0.4.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6b1ecfaf664faed469461b8e277dc1c5332b1148306a8d1571bd8ac595505a8
[INFO] running `Command { std: "docker" "start" "-a" "e6b1ecfaf664faed469461b8e277dc1c5332b1148306a8d1571bd8ac595505a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6b1ecfaf664faed469461b8e277dc1c5332b1148306a8d1571bd8ac595505a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6b1ecfaf664faed469461b8e277dc1c5332b1148306a8d1571bd8ac595505a8", kill_on_drop: false }`
[INFO] [stdout] e6b1ecfaf664faed469461b8e277dc1c5332b1148306a8d1571bd8ac595505a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e057c5056dccc4cbe7320e921fd36de47cf6b2078b36a85779c02263782b5846
[INFO] running `Command { std: "docker" "start" "-a" "e057c5056dccc4cbe7320e921fd36de47cf6b2078b36a85779c02263782b5846", 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 0.86s
[INFO] running `Command { std: "docker" "inspect" "e057c5056dccc4cbe7320e921fd36de47cf6b2078b36a85779c02263782b5846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e057c5056dccc4cbe7320e921fd36de47cf6b2078b36a85779c02263782b5846", kill_on_drop: false }`
[INFO] [stdout] e057c5056dccc4cbe7320e921fd36de47cf6b2078b36a85779c02263782b5846
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48d933863a8d157365db26d0211b4477ea3224db723f9e5d32bdf5f9b0012b98
[INFO] running `Command { std: "docker" "start" "-a" "48d933863a8d157365db26d0211b4477ea3224db723f9e5d32bdf5f9b0012b98", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] running `Command { std: "docker" "inspect" "48d933863a8d157365db26d0211b4477ea3224db723f9e5d32bdf5f9b0012b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48d933863a8d157365db26d0211b4477ea3224db723f9e5d32bdf5f9b0012b98", kill_on_drop: false }`
[INFO] [stdout] 48d933863a8d157365db26d0211b4477ea3224db723f9e5d32bdf5f9b0012b98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7a8445a4c87e882fbd583750698ad70ad2124c86e410168f3a7833449db5e58b
[INFO] running `Command { std: "docker" "start" "-a" "7a8445a4c87e882fbd583750698ad70ad2124c86e410168f3a7833449db5e58b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] running `Command { std: "docker" "inspect" "7a8445a4c87e882fbd583750698ad70ad2124c86e410168f3a7833449db5e58b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a8445a4c87e882fbd583750698ad70ad2124c86e410168f3a7833449db5e58b", kill_on_drop: false }`
[INFO] [stdout] 7a8445a4c87e882fbd583750698ad70ad2124c86e410168f3a7833449db5e58b
