[INFO] cloning repository https://github.com/blueluna/nrf52840-dongle-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blueluna/nrf52840-dongle-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblueluna%2Fnrf52840-dongle-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblueluna%2Fnrf52840-dongle-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7cc81c6b52095edd3b84be793ae7817fd09551f5
[INFO] testing blueluna/nrf52840-dongle-experiments against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblueluna%2Fnrf52840-dongle-experiments" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/blueluna/nrf52840-dongle-experiments
[INFO] finished tweaking git repo https://github.com/blueluna/nrf52840-dongle-experiments
[INFO] tweaked toml for git repo https://github.com/blueluna/nrf52840-dongle-experiments written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/blueluna/nrf52840-dongle-experiments 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 git repo https://github.com/blueluna/nrf52840-dongle-experiments 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding nrf52-hal-common v0.7.0 (https://github.com/nrf-rs/nrf52-hal?branch=master#fccc7831)
[INFO] [stderr]       Adding nrf52840-hal v0.7.0 (https://github.com/nrf-rs/nrf52-hal?branch=master#fccc7831)
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded panic-semihosting v0.5.1
[INFO] [stderr]   Downloaded typenum v1.10.0
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.3.2
[INFO] [stderr]   Downloaded owned-singleton-macros v0.1.0
[INFO] [stderr]   Downloaded owned-singleton v0.1.0
[INFO] [stderr]   Downloaded embedded-hal v0.2.2
[INFO] [stderr]   Downloaded generic-array v0.11.1
[INFO] [stderr]   Downloaded hash32 v0.1.0
[INFO] [stderr]   Downloaded syn v0.15.29
[INFO] [stderr]   Downloaded fpa v0.1.0
[INFO] [stderr]   Downloaded cortex-m-rtfm-macros v0.4.2
[INFO] [stderr]   Downloaded heapless v0.4.2
[INFO] [stderr]   Downloaded cortex-m-rtfm v0.4.2
[INFO] [stderr]   Downloaded nb v0.1.1
[INFO] [stderr]   Downloaded nrf52840-pac v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d2f6ddcde781b34c41e154fda1212741493a815cdcffd86a91eb428a52cc39a1
[INFO] running `Command { std: "docker" "start" "-a" "d2f6ddcde781b34c41e154fda1212741493a815cdcffd86a91eb428a52cc39a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2f6ddcde781b34c41e154fda1212741493a815cdcffd86a91eb428a52cc39a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2f6ddcde781b34c41e154fda1212741493a815cdcffd86a91eb428a52cc39a1", kill_on_drop: false }`
[INFO] [stdout] d2f6ddcde781b34c41e154fda1212741493a815cdcffd86a91eb428a52cc39a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a3a6c0deff85edf82a39a14f1c885d516db48632a6eccc6f83d5d2511fa4fed8
[INFO] running `Command { std: "docker" "start" "-a" "a3a6c0deff85edf82a39a14f1c885d516db48632a6eccc6f83d5d2511fa4fed8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling cortex-m v0.5.8
[INFO] [stderr]    Compiling vcell v0.1.0
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling aligned v0.2.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.7
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling nrf52840-pac v0.6.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling fpa v0.1.0
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling nb v0.1.1
[INFO] [stderr]    Compiling nrf52840-hal v0.7.0 (https://github.com/nrf-rs/nrf52-hal?branch=master#fccc7831)
[INFO] [stderr]    Compiling embedded-hal v0.2.2
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]    Compiling cortex-m-rtfm v0.4.2
[INFO] [stderr]    Compiling hash32 v0.1.0
[INFO] [stderr]    Compiling generic-array v0.11.1
[INFO] [stderr]    Compiling panic-semihosting v0.5.1
[INFO] [stderr]    Compiling heapless v0.4.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.5
[INFO] [stderr]    Compiling owned-singleton-macros v0.1.0
[INFO] [stderr]    Compiling cortex-m-rtfm-macros v0.4.2
[INFO] [stderr]    Compiling owned-singleton v0.1.0
[INFO] [stderr]    Compiling nrf52-hal-common v0.7.0 (https://github.com/nrf-rs/nrf52-hal?branch=master#fccc7831)
[INFO] [stderr]    Compiling nrf52840-dongle v0.1.0 (/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] [stderr] error: could not compile `nrf52840-dongle` (bin "nrf52840-dongle") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a3a6c0deff85edf82a39a14f1c885d516db48632a6eccc6f83d5d2511fa4fed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3a6c0deff85edf82a39a14f1c885d516db48632a6eccc6f83d5d2511fa4fed8", kill_on_drop: false }`
[INFO] [stdout] a3a6c0deff85edf82a39a14f1c885d516db48632a6eccc6f83d5d2511fa4fed8
