[INFO] cloning repository https://github.com/gdamjan/rust-embedded-intro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gdamjan/rust-embedded-intro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgdamjan%2Frust-embedded-intro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgdamjan%2Frust-embedded-intro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fdb982a62fdf07a15c4872ee30388092b8539175
[INFO] checking gdamjan/rust-embedded-intro against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgdamjan%2Frust-embedded-intro" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/gdamjan/rust-embedded-intro
[INFO] finished tweaking git repo https://github.com/gdamjan/rust-embedded-intro
[INFO] tweaked toml for git repo https://github.com/gdamjan/rust-embedded-intro written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gdamjan/rust-embedded-intro on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gdamjan/rust-embedded-intro 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.7.5
[INFO] [stderr]   Downloaded panic-halt v1.0.0
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.5
[INFO] [stderr]   Downloaded rtt-target v0.6.0
[INFO] [stderr]   Downloaded volatile-register v0.2.2
[INFO] [stderr]   Downloaded ufmt-write v0.1.0
[INFO] [stderr]   Downloaded panic-probe v0.3.2
[INFO] [stderr]   Downloaded embassy-executor-macros v0.6.2
[INFO] [stderr]   Downloaded embassy-usb-driver v0.1.0
[INFO] [stderr]   Downloaded embedded-hal-async v1.0.0
[INFO] [stderr]   Downloaded embedded-storage v0.3.1
[INFO] [stderr]   Downloaded embassy-hal-internal v0.2.0
[INFO] [stderr]   Downloaded embassy-futures v0.1.1
[INFO] [stderr]   Downloaded defmt-rtt v0.4.1
[INFO] [stderr]   Downloaded embassy-executor v0.6.3
[INFO] [stderr]   Downloaded embedded-storage-async v0.4.1
[INFO] [stderr]   Downloaded embedded-hal v1.0.0
[INFO] [stderr]   Downloaded embassy-sync v0.6.1
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded embassy-time v0.3.2
[INFO] [stderr]   Downloaded embassy-embedded-hal v0.2.0
[INFO] [stderr]   Downloaded embassy-time-driver v0.1.0
[INFO] [stderr]   Downloaded embassy-time-queue-driver v0.1.0
[INFO] [stderr]   Downloaded embassy-nrf v0.2.0
[INFO] [stderr]   Downloaded syn v2.0.89
[INFO] [stderr]   Downloaded nrf51-pac v0.12.2
[INFO] [stderr]   Downloaded fixed v1.28.0
[INFO] [stderr]   Downloaded nrf52805-pac v0.12.2
[INFO] [stderr]   Downloaded nrf52811-pac v0.12.2
[INFO] [stderr]   Downloaded nrf52820-pac v0.12.2
[INFO] [stderr]   Downloaded nrf5340-net-pac v0.12.2
[INFO] [stderr]   Downloaded nrf9120-pac v0.12.2
[INFO] [stderr]   Downloaded nrf52832-pac v0.12.2
[INFO] [stderr]   Downloaded nrf9160-pac v0.12.2
[INFO] [stderr]   Downloaded nrf52810-pac v0.12.2
[INFO] [stderr]   Downloaded nrf52840-pac v0.12.2
[INFO] [stderr]   Downloaded nrf5340-app-pac v0.12.2
[INFO] [stderr]   Downloaded nrf52833-pac v0.12.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69900420960ba97ad007e1da1e5dd791dbb7e6223859df864df23f8808581298
[INFO] running `Command { std: "docker" "start" "-a" "69900420960ba97ad007e1da1e5dd791dbb7e6223859df864df23f8808581298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69900420960ba97ad007e1da1e5dd791dbb7e6223859df864df23f8808581298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69900420960ba97ad007e1da1e5dd791dbb7e6223859df864df23f8808581298", kill_on_drop: false }`
[INFO] [stdout] 69900420960ba97ad007e1da1e5dd791dbb7e6223859df864df23f8808581298
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a72ceedede3548855756d53b19e509cf5ac8898f378544fc7aae4173e4502982
[INFO] running `Command { std: "docker" "start" "-a" "a72ceedede3548855756d53b19e509cf5ac8898f378544fc7aae4173e4502982", kill_on_drop: false }`
[INFO] [stderr]    Compiling defmt v0.3.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling defmt-macros v0.3.9
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling cortex-m-rt v0.7.5
[INFO] [stderr]    Compiling embassy-time-queue-driver v0.1.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling embassy-time-driver v0.1.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling document-features v0.2.10
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]    Compiling embassy-sync v0.6.1
[INFO] [stderr]    Compiling nrf5340-app-pac v0.12.2
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling fixed v1.28.0
[INFO] [stderr]     Checking embedded-storage v0.3.1
[INFO] [stderr]    Compiling portable-atomic v1.10.0
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling embassy-hal-internal v0.2.0
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]    Compiling panic-probe v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking bytemuck v1.20.0
[INFO] [stderr]     Checking embassy-futures v0.1.1
[INFO] [stderr]     Checking embedded-storage-async v0.4.1
[INFO] [stderr]    Compiling defmt-rtt v0.4.1
[INFO] [stderr]    Compiling rust-embedded-intro v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling embassy-executor v0.6.3
[INFO] [stderr]     Checking panic-halt v1.0.0
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking rtt-target v0.6.0
[INFO] [stderr]     Checking embassy-time v0.3.2
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.5
[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 `rust-embedded-intro` (bin "rust-embedded-intro") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a72ceedede3548855756d53b19e509cf5ac8898f378544fc7aae4173e4502982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a72ceedede3548855756d53b19e509cf5ac8898f378544fc7aae4173e4502982", kill_on_drop: false }`
[INFO] [stdout] a72ceedede3548855756d53b19e509cf5ac8898f378544fc7aae4173e4502982