[INFO] fetching crate pio-uart 0.3.0...
[INFO] testing pio-uart-0.3.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate pio-uart 0.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pio-uart 0.3.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57480dae05575c4fcd7b8e1324709c79a4b3f559725de8e3ccff9d20f3672b19
[INFO] running `Command { std: "docker" "start" "-a" "57480dae05575c4fcd7b8e1324709c79a4b3f559725de8e3ccff9d20f3672b19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57480dae05575c4fcd7b8e1324709c79a4b3f559725de8e3ccff9d20f3672b19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57480dae05575c4fcd7b8e1324709c79a4b3f559725de8e3ccff9d20f3672b19", kill_on_drop: false }`
[INFO] [stdout] 57480dae05575c4fcd7b8e1324709c79a4b3f559725de8e3ccff9d20f3672b19
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d33acf09794961e65aac6fee5a4cb3906fa4b07925bcd9271eeda6a810b0ac88
[INFO] running `Command { std: "docker" "start" "-a" "d33acf09794961e65aac6fee5a4cb3906fa4b07925bcd9271eeda6a810b0ac88", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling unicode-xid v0.2.5
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling portable-atomic v1.7.0
[INFO] [stderr]    Compiling ena v0.14.3
[INFO] [stderr]    Compiling frunk_core v0.4.3
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling rp2040-pac v0.6.0
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling defmt-macros v0.3.9
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling gcd v2.3.0
[INFO] [stderr]    Compiling critical-section v1.1.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling defmt v0.3.8
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling usb-device v0.3.2
[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 bitfield v0.14.0
[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 regex-automata v0.4.7
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling lalrpop-util v0.19.12
[INFO] [stderr]    Compiling frunk_proc_macro_helpers v0.1.3
[INFO] [stderr]    Compiling lalrpop v0.19.12
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling frunk_derives v0.4.3
[INFO] [stderr]    Compiling num_enum v0.5.11
[INFO] [stderr]    Compiling frunk v0.4.3
[INFO] [stderr]    Compiling rp2040-hal-macros v0.1.0
[INFO] [stderr]    Compiling pio v0.2.1
[INFO] [stderr]    Compiling rp2040-hal v0.10.2
[INFO] [stderr]    Compiling defmt-parser v0.3.4
[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 40.30s
[INFO] running `Command { std: "docker" "inspect" "d33acf09794961e65aac6fee5a4cb3906fa4b07925bcd9271eeda6a810b0ac88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d33acf09794961e65aac6fee5a4cb3906fa4b07925bcd9271eeda6a810b0ac88", kill_on_drop: false }`
[INFO] [stdout] d33acf09794961e65aac6fee5a4cb3906fa4b07925bcd9271eeda6a810b0ac88
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3fe7245201f74868469354d4b376290520f635cb8ddd0b4aebc7c11526bcc82
[INFO] running `Command { std: "docker" "start" "-a" "b3fe7245201f74868469354d4b376290520f635cb8ddd0b4aebc7c11526bcc82", 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 "simple_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 "advanced_uart") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b3fe7245201f74868469354d4b376290520f635cb8ddd0b4aebc7c11526bcc82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3fe7245201f74868469354d4b376290520f635cb8ddd0b4aebc7c11526bcc82", kill_on_drop: false }`
[INFO] [stdout] b3fe7245201f74868469354d4b376290520f635cb8ddd0b4aebc7c11526bcc82
