[INFO] fetching crate microbit-bsp 0.4.0...
[INFO] testing microbit-bsp-0.4.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate microbit-bsp 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate microbit-bsp 0.4.0
[INFO] finished tweaking crates.io crate microbit-bsp 0.4.0
[INFO] tweaked toml for crates.io crate microbit-bsp 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate microbit-bsp 0.4.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate microbit-bsp 0.4.0 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nrf-sdc v0.1.1
[INFO] [stderr]   Downloaded phf_shared v0.11.3
[INFO] [stderr]   Downloaded doxygen-rs v0.4.2
[INFO] [stderr]   Downloaded static_cell v2.1.0
[INFO] [stderr]   Downloaded phf v0.11.3
[INFO] [stderr]   Downloaded futures-core v0.3.30
[INFO] [stderr]   Downloaded pin-project-lite v0.2.14
[INFO] [stderr]   Downloaded pulldown-cmark v0.11.3
[INFO] [stderr]   Downloaded winnow v0.6.26
[INFO] [stderr]   Downloaded embedded-hal v0.2.7
[INFO] [stderr]   Downloaded vcell v0.1.3
[INFO] [stderr]   Downloaded embassy-sync v0.7.0
[INFO] [stderr]   Downloaded futures v0.3.30
[INFO] [stderr]   Downloaded maybe-async-cfg v0.2.4
[INFO] [stderr]   Downloaded version_check v0.9.4
[INFO] [stderr]   Downloaded futures-io v0.3.30
[INFO] [stderr]   Downloaded embedded-storage-async v0.4.1
[INFO] [stderr]   Downloaded embassy-futures v0.1.1
[INFO] [stderr]   Downloaded futures-util v0.3.30
[INFO] [stderr]   Downloaded cortex-m v0.7.7
[INFO] [stderr]   Downloaded embassy-hal-internal v0.3.0
[INFO] [stderr]   Downloaded embassy-time-driver v0.2.0
[INFO] [stderr]   Downloaded embassy-time-queue-utils v0.1.0
[INFO] [stderr]   Downloaded itertools v0.13.0
[INFO] [stderr]   Downloaded embassy-executor v0.7.0
[INFO] [stderr]   Downloaded bindgen v0.70.1
[INFO] [stderr]   Downloaded embedded-storage v0.3.1
[INFO] [stderr]   Downloaded heapless v0.8.0
[INFO] [stderr]   Downloaded num-traits v0.2.18
[INFO] [stderr]   Downloaded embedded-hal v1.0.0
[INFO] [stderr]   Downloaded embedded-hal-async v1.0.0
[INFO] [stderr]   Downloaded libc v0.2.169
[INFO] [stderr]   Downloaded bytemuck v1.15.0
[INFO] [stderr]   Downloaded half v2.4.1
[INFO] [stderr]   Downloaded nrf-pac v0.1.0
[INFO] [stderr]   Downloaded embassy-nrf v0.4.1
[INFO] [stderr]   Downloaded nrf-mpsl v0.1.1
[INFO] [stderr]   Downloaded lsm303agr v1.1.0
[INFO] [stderr]   Downloaded document-features v0.2.8
[INFO] [stderr]   Downloaded embassy-hal-internal v0.2.0
[INFO] [stderr]   Downloaded nrf-sdc-sys v0.2.1
[INFO] [stderr]   Downloaded fixed v1.27.0
[INFO] [stderr]   Downloaded futures-intrusive v0.5.0
[INFO] [stderr]   Downloaded bt-hci v0.3.2
[INFO] [stderr]   Downloaded darling_macro v0.20.10
[INFO] [stderr]   Downloaded darling v0.20.10
[INFO] [stderr]   Downloaded embassy-executor-macros v0.6.2
[INFO] [stderr]   Downloaded embassy-usb-driver v0.1.0
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded prettyplease v0.2.20
[INFO] [stderr]   Downloaded unicase v2.7.0
[INFO] [stderr]   Downloaded embassy-sync v0.6.2
[INFO] [stderr]   Downloaded embassy-embedded-hal v0.3.0
[INFO] [stderr]   Downloaded autocfg v1.2.0
[INFO] [stderr]   Downloaded embassy-time v0.4.0
[INFO] [stderr]   Downloaded litrs v0.4.1
[INFO] [stderr]   Downloaded ident_case v1.0.1
[INFO] [stderr]   Downloaded darling_core v0.20.10
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded bitfield v0.13.2
[INFO] [stderr]   Downloaded nb v1.1.0
[INFO] [stderr]   Downloaded futures-sink v0.3.30
[INFO] [stderr]   Downloaded bitflags v2.5.0
[INFO] [stderr]   Downloaded libloading v0.8.6
[INFO] [stderr]   Downloaded unicode-ident v1.0.12
[INFO] [stderr]   Downloaded either v1.13.0
[INFO] [stderr]   Downloaded siphasher v1.0.1
[INFO] [stderr]   Downloaded volatile-register v0.2.2
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.4
[INFO] [stderr]   Downloaded critical-section v1.1.2
[INFO] [stderr]   Downloaded embedded-io-async v0.6.1
[INFO] [stderr]   Downloaded futures-task v0.3.30
[INFO] [stderr]   Downloaded defmt-parser v1.0.0
[INFO] [stderr]   Downloaded proc-macro-error-attr2 v2.0.0
[INFO] [stderr]   Downloaded defmt v1.0.1
[INFO] [stderr]   Downloaded defmt v0.3.100
[INFO] [stderr]   Downloaded clang-sys v1.8.1
[INFO] [stderr]   Downloaded log v0.4.25
[INFO] [stderr]   Downloaded rustc-hash v1.1.0
[INFO] [stderr]   Downloaded phf_generator v0.11.3
[INFO] [stderr]   Downloaded quote v1.0.36
[INFO] [stderr]   Downloaded phf_macros v0.11.3
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.7.0
[INFO] [stderr]   Downloaded hash32 v0.3.1
[INFO] [stderr]   Downloaded proc-macro-error2 v2.0.1
[INFO] [stderr]   Downloaded defmt-macros v1.0.1
[INFO] [stderr]   Downloaded cexpr v0.6.0
[INFO] [stderr]   Downloaded glob v0.3.2
[INFO] [stderr]   Downloaded portable-atomic v1.10.0
[INFO] [stderr]   Downloaded nrf-mpsl-sys v0.2.1
[INFO] [stderr]   Downloaded futures-channel v0.3.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20a5fe2d1b2da8ae9635ba97f495603f8f28c2e80290bca8a96479664ffee6b1
[INFO] running `Command { std: "docker" "start" "-a" "20a5fe2d1b2da8ae9635ba97f495603f8f28c2e80290bca8a96479664ffee6b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20a5fe2d1b2da8ae9635ba97f495603f8f28c2e80290bca8a96479664ffee6b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20a5fe2d1b2da8ae9635ba97f495603f8f28c2e80290bca8a96479664ffee6b1", kill_on_drop: false }`
[INFO] [stdout] 20a5fe2d1b2da8ae9635ba97f495603f8f28c2e80290bca8a96479664ffee6b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fdd7a02fdfa88b751d0079ddac96db115ba55226818a900a0e4dae819e55f3c
[INFO] running `Command { std: "docker" "start" "-a" "3fdd7a02fdfa88b751d0079ddac96db115ba55226818a900a0e4dae819e55f3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling defmt v1.0.1
[INFO] [stderr]    Compiling defmt-macros v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling critical-section v1.1.2
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling cortex-m-rt v0.7.4
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling embassy-time-driver v0.2.0
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling embedded-io v0.6.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]    Compiling embassy-executor v0.7.0
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling pulldown-cmark v0.11.3
[INFO] [stderr]    Compiling embassy-sync v0.6.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling document-features v0.2.8
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling embassy-time-queue-utils v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling embassy-sync v0.7.0
[INFO] [stderr]    Compiling fixed v1.27.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling embedded-storage v0.3.1
[INFO] [stderr]    Compiling embassy-hal-internal v0.3.0
[INFO] [stderr]    Compiling nrf-pac v0.1.0
[INFO] [stderr]    Compiling portable-atomic v1.10.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling embedded-storage-async v0.4.1
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling bytemuck v1.15.0
[INFO] [stderr]    Compiling embassy-futures v0.1.1
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling static_cell v2.1.0
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling maybe-async-cfg v0.2.4
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling defmt-parser v1.0.0
[INFO] [stderr]    Compiling lsm303agr v1.1.0
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling embassy-executor-macros v0.6.2
[INFO] [stderr]    Compiling defmt v0.3.100
[INFO] [stderr]    Compiling embassy-time v0.4.0
[INFO] [stderr]    Compiling embassy-usb-driver v0.1.0
[INFO] [stderr]    Compiling embassy-embedded-hal v0.3.0
[INFO] [stderr]    Compiling embassy-nrf v0.4.1
[INFO] [stderr]    Compiling microbit-bsp v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.15s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: document-features v0.2.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "3fdd7a02fdfa88b751d0079ddac96db115ba55226818a900a0e4dae819e55f3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fdd7a02fdfa88b751d0079ddac96db115ba55226818a900a0e4dae819e55f3c", kill_on_drop: false }`
[INFO] [stdout] 3fdd7a02fdfa88b751d0079ddac96db115ba55226818a900a0e4dae819e55f3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f01c571b24146b9f28e98685af0d75a77844d4a6794461066655703f5282d65a
[INFO] running `Command { std: "docker" "start" "-a" "f01c571b24146b9f28e98685af0d75a77844d4a6794461066655703f5282d65a", kill_on_drop: false }`
[INFO] [stderr]    Compiling microbit-bsp v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcgY3HBc/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,librustc_std_workspace_std-*,libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*}.rlib" "/opt/rustwide/target/debug/deps/{libstatic_cell-cc86a124e56bfaf2,libportable_atomic-93ac7c144e657781,liblsm303agr-5e1fc641f58db210,libembassy_nrf-e3c92e3a1df2d129,librand_core-f348699c55a9543c,librand_core-d1ca9b84209ff37d,libbitflags-db9e81b04f9a65ea,libnrf_pac-3b5f09ab651f24f3,libcortex_m_rt-1b615612f763f9a3,libembassy_usb_driver-18f0c79da31b47aa,libembassy_embedded_hal-3be7659fcff24ef7,libembassy_time-deff8447b8c172d5,libembedded_hal_async-ae37c7b34def4b5d,libembedded_hal-deca3bef86e97e4e,libembassy_sync-23deacf610cdc8a4,libembassy_futures-38d3879c47ae3111,libembedded_storage_async-667da462f05a2352,libfixed-4377539d34766a11,libtypenum-0463e5580ed3b454,libbytemuck-c2b63f8d48137194,libhalf-e68c0d0779e30379,libaz-ef13bdbb679a9df7,libembedded_storage-6253e52d6e5a8b37,libcfg_if-6a7eff3bb9b3cc11,libembassy_hal_internal-9b4db84f5e02ccdf,libcortex_m-93c3154033e5a432,libembedded_hal-607ac004cce39836,libvoid-e3268ce02ddb174f,libnb-262785a3b1f4b6f1,libnb-5d5d765a518b0c11,libvolatile_register-1938f5a4ab54263f,libvcell-2a842764f66aced2,libbare_metal-91b2d004e4a9e0cc,libnum_traits-24864ee9d075c608,libembassy_time_queue_utils-efbd27a2d3e1bb62,libembassy_executor-93cba0ebbe2ffb5d,libembassy_time_driver-dc5145d20b5bdaf3,libembassy_sync-d3933a7d7681fdba,libembedded_io_async-d733bb388b5793b2,libembedded_io-1ba6c3c111a31a8a,libfutures_util-ebac34e409aef1d1,libpin_project_lite-3439fd874bc54a98,libfutures_sink-f45cc1d2b9816066,libfutures_task-9674959c6eac6d67,libpin_utils-fbb4663921dd3b6f,libfutures_core-2b48cbab5d854aa2,libheapless-ee14eea3e58a8cb8,libdefmt-877cce95212e1981,libdefmt-23ab43fff056bf51,libbitflags-a56917bef97924b7,libhash32-2f153324e2ce128c,libbyteorder-02294bd26b1c25f7,libcritical_section-000be53e43905a5e}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcgY3HBc/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/target/debug/build/defmt-82367996f1c3e068/out" "-L" "/opt/rustwide/target/debug/build/cortex-m-rt-c61acc2d73ecefd5/out" "-L" "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nrf-pac-0.1.0/src/chips/nrf52833" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/microbit_bsp-60127fc283ee6c25" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: undefined symbol: main
[INFO] [stdout]           >>> referenced by /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/Scrt1.o:(_start)
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `microbit-bsp` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f01c571b24146b9f28e98685af0d75a77844d4a6794461066655703f5282d65a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f01c571b24146b9f28e98685af0d75a77844d4a6794461066655703f5282d65a", kill_on_drop: false }`
[INFO] [stdout] f01c571b24146b9f28e98685af0d75a77844d4a6794461066655703f5282d65a