[INFO] fetching crate pio-uart 0.3.0...
[INFO] testing pio-uart-0.3.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate pio-uart 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate pio-uart 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pio-uart 0.3.0
[INFO] tweaked toml for crates.io crate pio-uart 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pio-uart 0.3.0 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] crate crates.io crate pio-uart 0.3.0 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2d2fe52960129a1f37db7a610e1bdef7e7729983cdede0a7f859013175f5f02e
[INFO] running `Command { std: "docker" "start" "-a" "2d2fe52960129a1f37db7a610e1bdef7e7729983cdede0a7f859013175f5f02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d2fe52960129a1f37db7a610e1bdef7e7729983cdede0a7f859013175f5f02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d2fe52960129a1f37db7a610e1bdef7e7729983cdede0a7f859013175f5f02e", kill_on_drop: false }`
[INFO] [stdout] 2d2fe52960129a1f37db7a610e1bdef7e7729983cdede0a7f859013175f5f02e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 243e0fd30b1b67117765ec8e29610afac1e3be5b339d2d3642d1167c69e64ea1
[INFO] running `Command { std: "docker" "start" "-a" "243e0fd30b1b67117765ec8e29610afac1e3be5b339d2d3642d1167c69e64ea1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling unicode-xid v0.2.5
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]    Compiling frunk_core v0.4.3
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling portable-atomic v1.7.0
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling defmt-macros v0.3.9
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling rp2040-pac v0.6.0
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling gcd v2.3.0
[INFO] [stderr]    Compiling critical-section v1.1.3
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling defmt v0.3.8
[INFO] [stderr]    Compiling fugit v0.3.7
[INFO] [stderr]    Compiling embedded-hal-nb v1.0.0
[INFO] [stderr]    Compiling embedded-dma v0.2.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling embedded-io v0.6.1
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling usb-device v0.3.2
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling frunk_proc_macro_helpers v0.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling lalrpop-util v0.19.12
[INFO] [stderr]    Compiling lalrpop v0.19.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling frunk_derives v0.4.3
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling frunk v0.4.3
[INFO] [stderr]    Compiling num_enum v0.5.11
[INFO] [stderr]    Compiling defmt-parser v0.3.4
[INFO] [stderr]    Compiling pio v0.2.1
[INFO] [stderr]    Compiling rp2040-hal-macros v0.1.0
[INFO] [stderr]    Compiling rp2040-hal v0.10.2
[INFO] [stderr]    Compiling pio-parser v0.2.2
[INFO] [stderr]    Compiling pio-proc v0.2.2
[INFO] [stderr]    Compiling pio-uart v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.92s
[INFO] running `Command { std: "docker" "inspect" "243e0fd30b1b67117765ec8e29610afac1e3be5b339d2d3642d1167c69e64ea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "243e0fd30b1b67117765ec8e29610afac1e3be5b339d2d3642d1167c69e64ea1", kill_on_drop: false }`
[INFO] [stdout] 243e0fd30b1b67117765ec8e29610afac1e3be5b339d2d3642d1167c69e64ea1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3e60df16608affa704d0bcceba725605687e0791f36ae59543613d8f728852fa
[INFO] running `Command { std: "docker" "start" "-a" "3e60df16608affa704d0bcceba725605687e0791f36ae59543613d8f728852fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]    Compiling rp2040-pac v0.6.0
[INFO] [stderr]    Compiling debug-helper v0.3.13
[INFO] [stderr]    Compiling critical-section v1.1.3
[INFO] [stderr]    Compiling rp-pico v0.9.0
[INFO] [stderr]    Compiling panic-halt v0.2.0
[INFO] [stderr]    Compiling crc-any v2.5.0
[INFO] [stderr]    Compiling rp2040-boot2 v0.3.0
[INFO] [stderr]    Compiling rp2040-hal v0.10.2
[INFO] [stderr]    Compiling pio-uart v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pio-uart` (example "advanced_uart") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `pio-uart` (example "simple_uart") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "3e60df16608affa704d0bcceba725605687e0791f36ae59543613d8f728852fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e60df16608affa704d0bcceba725605687e0791f36ae59543613d8f728852fa", kill_on_drop: false }`
[INFO] [stdout] 3e60df16608affa704d0bcceba725605687e0791f36ae59543613d8f728852fa
