[INFO] fetching crate picoboot-rs 0.3.1...
[INFO] testing picoboot-rs-0.3.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate picoboot-rs 0.3.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate picoboot-rs 0.3.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate picoboot-rs 0.3.1
[INFO] tweaked toml for crates.io crate picoboot-rs 0.3.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate picoboot-rs 0.3.1 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] crate crates.io crate picoboot-rs 0.3.1 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-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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e37c15612336bcc80b2bc776168f70ba55fdae679885fccc54175e1b594ca6eb
[INFO] running `Command { std: "docker" "start" "-a" "e37c15612336bcc80b2bc776168f70ba55fdae679885fccc54175e1b594ca6eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e37c15612336bcc80b2bc776168f70ba55fdae679885fccc54175e1b594ca6eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e37c15612336bcc80b2bc776168f70ba55fdae679885fccc54175e1b594ca6eb", kill_on_drop: false }`
[INFO] [stdout] e37c15612336bcc80b2bc776168f70ba55fdae679885fccc54175e1b594ca6eb
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3eebf5022b9fd633440e326a060908a4b33a4e8b4e15cf20de2646de5823bb59
[INFO] running `Command { std: "docker" "start" "-a" "3eebf5022b9fd633440e326a060908a4b33a4e8b4e15cf20de2646de5823bb59", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling rusb v0.9.4
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]    Compiling libusb1-sys v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling picoboot-rs v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.52s
[INFO] running `Command { std: "docker" "inspect" "3eebf5022b9fd633440e326a060908a4b33a4e8b4e15cf20de2646de5823bb59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eebf5022b9fd633440e326a060908a4b33a4e8b4e15cf20de2646de5823bb59", kill_on_drop: false }`
[INFO] [stdout] 3eebf5022b9fd633440e326a060908a4b33a4e8b4e15cf20de2646de5823bb59
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2398d4af56ca7941473de1eac6d5829792faf8d29f62b2a4b7b15a45b05a2fd
[INFO] running `Command { std: "docker" "start" "-a" "d2398d4af56ca7941473de1eac6d5829792faf8d29f62b2a4b7b15a45b05a2fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling picoboot-rs v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `uf2_decode`
[INFO] [stdout]  --> examples/flash_device.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use uf2_decode::convert_from_uf2;
[INFO] [stdout]   |     ^^^^^^^^^^ use of unresolved module or unlinked crate `uf2_decode`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `uf2_decode`, use `cargo add uf2_decode` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `picoboot-rs` (example "flash_device") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d2398d4af56ca7941473de1eac6d5829792faf8d29f62b2a4b7b15a45b05a2fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2398d4af56ca7941473de1eac6d5829792faf8d29f62b2a4b7b15a45b05a2fd", kill_on_drop: false }`
[INFO] [stdout] d2398d4af56ca7941473de1eac6d5829792faf8d29f62b2a4b7b15a45b05a2fd
