[INFO] fetching crate microbit-bsp 0.4.0...
[INFO] testing microbit-bsp-0.4.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate microbit-bsp 0.4.0 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate microbit-bsp 0.4.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded static_cell v2.1.0
[INFO] [stderr]   Downloaded nrf-sdc v0.1.1
[INFO] [stderr]   Downloaded embassy-time-driver v0.2.0
[INFO] [stderr]   Downloaded embassy-embedded-hal v0.3.0
[INFO] [stderr]   Downloaded embassy-futures v0.1.1
[INFO] [stderr]   Downloaded embassy-usb-driver v0.1.0
[INFO] [stderr]   Downloaded siphasher v1.0.1
[INFO] [stderr]   Downloaded defmt v0.3.100
[INFO] [stderr]   Downloaded vcell v0.1.3
[INFO] [stderr]   Downloaded semver-parser v0.7.0
[INFO] [stderr]   Downloaded embassy-executor v0.7.0
[INFO] [stderr]   Downloaded darling_macro v0.20.10
[INFO] [stderr]   Downloaded nb v1.1.0
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded autocfg v1.2.0
[INFO] [stderr]   Downloaded embedded-storage-async v0.4.1
[INFO] [stderr]   Downloaded volatile-register v0.2.2
[INFO] [stderr]   Downloaded rustc_version v0.2.3
[INFO] [stderr]   Downloaded document-features v0.2.8
[INFO] [stderr]   Downloaded doxygen-rs v0.4.2
[INFO] [stderr]   Downloaded embedded-io-async v0.6.1
[INFO] [stderr]   Downloaded nrf-mpsl v0.1.1
[INFO] [stderr]   Downloaded embedded-storage v0.3.1
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.7.0
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded bytemuck v1.15.0
[INFO] [stderr]   Downloaded embedded-hal-async v1.0.0
[INFO] [stderr]   Downloaded embassy-time-queue-utils v0.1.0
[INFO] [stderr]   Downloaded embassy-executor-macros v0.6.2
[INFO] [stderr]   Downloaded darling v0.20.10
[INFO] [stderr]   Downloaded embassy-time v0.4.0
[INFO] [stderr]   Downloaded portable-atomic v1.10.0
[INFO] [stderr]   Downloaded defmt v1.0.1
[INFO] [stderr]   Downloaded defmt-macros v1.0.1
[INFO] [stderr]   Downloaded critical-section v1.1.2
[INFO] [stderr]   Downloaded bitfield v0.13.2
[INFO] [stderr]   Downloaded semver v0.9.0
[INFO] [stderr]   Downloaded embassy-hal-internal v0.3.0
[INFO] [stderr]   Downloaded libloading v0.8.6
[INFO] [stderr]   Downloaded embassy-hal-internal v0.2.0
[INFO] [stderr]   Downloaded embedded-hal v1.0.0
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.4
[INFO] [stderr]   Downloaded embedded-hal v0.2.7
[INFO] [stderr]   Downloaded lsm303agr v1.1.0
[INFO] [stderr]   Downloaded maybe-async-cfg v0.2.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.95
[INFO] [stderr]   Downloaded log v0.4.25
[INFO] [stderr]   Downloaded embassy-sync v0.7.0
[INFO] [stderr]   Downloaded darling_core v0.20.10
[INFO] [stderr]   Downloaded embassy-sync v0.6.2
[INFO] [stderr]   Downloaded prettyplease v0.2.20
[INFO] [stderr]   Downloaded embassy-nrf v0.4.1
[INFO] [stderr]   Downloaded bt-hci v0.3.2
[INFO] [stderr]   Downloaded winnow v0.6.26
[INFO] [stderr]   Downloaded pulldown-cmark v0.11.3
[INFO] [stderr]   Downloaded cortex-m v0.7.7
[INFO] [stderr]   Downloaded bindgen v0.70.1
[INFO] [stderr]   Downloaded fixed v1.27.0
[INFO] [stderr]   Downloaded syn v2.0.104
[INFO] [stderr]   Downloaded nrf-pac v0.1.0
[INFO] [stderr]   Downloaded nrf-sdc-sys v0.2.1
[INFO] [stderr]   Downloaded nrf-mpsl-sys v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c6fdea9e7aa75b8b83545aef31c4488aec44baf0383beb4f3242ca6de1496048
[INFO] running `Command { std: "docker" "start" "c6fdea9e7aa75b8b83545aef31c4488aec44baf0383beb4f3242ca6de1496048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6fdea9e7aa75b8b83545aef31c4488aec44baf0383beb4f3242ca6de1496048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c6fdea9e7aa75b8b83545aef31c4488aec44baf0383beb4f3242ca6de1496048" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6fdea9e7aa75b8b83545aef31c4488aec44baf0383beb4f3242ca6de1496048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c6fdea9e7aa75b8b83545aef31c4488aec44baf0383beb4f3242ca6de1496048" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", 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 semver-parser v0.7.0
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling critical-section v1.1.2
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling embassy-time-driver v0.2.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling cortex-m-rt v0.7.4
[INFO] [stderr]    Compiling embedded-io v0.6.1
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling document-features v0.2.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling embassy-sync v0.6.2
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling embassy-executor v0.7.0
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling pulldown-cmark v0.11.3
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling embassy-sync v0.7.0
[INFO] [stderr]    Compiling fixed v1.27.0
[INFO] [stderr]    Compiling embedded-storage v0.3.1
[INFO] [stderr]    Compiling nrf-pac v0.1.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling embassy-time-queue-utils v0.1.0
[INFO] [stderr]    Compiling portable-atomic v1.10.0
[INFO] [stderr]    Compiling embassy-hal-internal v0.3.0
[INFO] [stderr]    Compiling embedded-storage-async v0.4.1
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling embassy-futures v0.1.1
[INFO] [stderr]    Compiling bytemuck v1.15.0
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling static_cell v2.1.0
[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 `release` profile [optimized] target(s) in 1m 01s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: document-features v0.2.8, proc-macro-error2 v2.0.1
[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" "c6fdea9e7aa75b8b83545aef31c4488aec44baf0383beb4f3242ca6de1496048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c6fdea9e7aa75b8b83545aef31c4488aec44baf0383beb4f3242ca6de1496048" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", 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" "/opt/rustwide/target/release/deps/rustcm8glm9/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/release/deps/{libstatic_cell-c569078328bc5e48,libportable_atomic-a4b4d7e1a33ef037,liblsm303agr-d40d449742a3fb73,libembassy_nrf-56f67edcd8597c55,librand_core-1585fdacf6f9b59d,librand_core-eca2545841f9a904,libbitflags-5f3a4a6540cab21c,libnrf_pac-b065d15793338de0,libcortex_m_rt-c33ed14f7dc7ddf4,libembassy_usb_driver-7621d1aaf66ce52b,libembassy_embedded_hal-6e376bb7d1dbded9,libembassy_time-1d8278f65e7693c3,libembedded_hal_async-2cc5579bf46c67ae,libembedded_hal-daa72772ba7638a3,libembassy_sync-0154c3fae406ad10,libembassy_futures-0318c3dae5c8a13a,libembedded_storage_async-64ef41a6dcc81855,libfixed-cd50dd633b30b0e3,libtypenum-d3a9ef6dd6c4e3db,libbytemuck-540d5d89751cc41f,libhalf-0d6b44a9010572f3,libaz-1c870d72c88e2c22,libembedded_storage-c714c0d097433881,libcfg_if-193575a6b29a3ab9,libembassy_hal_internal-1342b83a52c98278,libcortex_m-a6938f6817b66165,libembedded_hal-4d0778c6acbddd05,libvoid-58d61b18b44b0b6c,libnb-2a2ed0a02b643d7e,libnb-226f7ba4cc4c327f,libvolatile_register-f95cb350a1fe0fb0,libvcell-08d90b29746419e9,libbare_metal-803bef466edead4e,libnum_traits-1c84cd41d59ec03d,libembassy_time_queue_utils-6958b3fc910d89a1,libembassy_executor-0103fdfe54fdfe15,libembassy_time_driver-63d195be225b8fe9,libembassy_sync-4318a5314032571c,libembedded_io_async-10730e0914be65d7,libembedded_io-07cd5e48563d0b27,libfutures_util-996d828a1ebb6841,libpin_project_lite-e58cf1bfdbc0be0b,libfutures_sink-10d4bca9590c0aff,libfutures_task-d4e2c168f4a7fe5c,libpin_utils-bd5b26767cd4a338,libfutures_core-147e565e96bfa1db,libheapless-bfde3e0c79cce4ae,libdefmt-d770169138ce50ae,libdefmt-c9d2b7e3e0eae9b6,libbitflags-68973b8086863992,libhash32-15ff014dd320e13a,libbyteorder-d0fb3ad4741450f8,libcritical_section-c30aeed793fb294f}.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" "/opt/rustwide/target/release/deps/rustcm8glm9/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/release/build/defmt-fa8ce51ee4b5dd74/out" "-L" "/opt/rustwide/target/release/build/cortex-m-rt-b3546b447f468d83/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/release/deps/microbit_bsp-3e3747ff22574d8c" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-Wl,--strip-debug" "-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/15/../../../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" "c6fdea9e7aa75b8b83545aef31c4488aec44baf0383beb4f3242ca6de1496048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6fdea9e7aa75b8b83545aef31c4488aec44baf0383beb4f3242ca6de1496048", kill_on_drop: false }`
[INFO] [stdout] c6fdea9e7aa75b8b83545aef31c4488aec44baf0383beb4f3242ca6de1496048
