[INFO] fetching crate microbit-bsp 0.4.0...
[INFO] testing microbit-bsp-0.4.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[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 cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nrf-sdc v0.1.1
[INFO] [stderr]   Downloaded embassy-sync v0.7.0
[INFO] [stderr]   Downloaded embassy-usb-driver v0.1.0
[INFO] [stderr]   Downloaded embassy-executor-macros v0.6.2
[INFO] [stderr]   Downloaded embassy-time-queue-utils v0.1.0
[INFO] [stderr]   Downloaded nrf-mpsl v0.1.1
[INFO] [stderr]   Downloaded embassy-hal-internal v0.2.0
[INFO] [stderr]   Downloaded embassy-embedded-hal v0.3.0
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.4
[INFO] [stderr]   Downloaded lsm303agr v1.1.0
[INFO] [stderr]   Downloaded embassy-hal-internal v0.3.0
[INFO] [stderr]   Downloaded bt-hci v0.3.2
[INFO] [stderr]   Downloaded embassy-nrf v0.4.1
[INFO] [stderr]   Downloaded pulldown-cmark v0.11.3
[INFO] [stderr]   Downloaded embassy-executor v0.7.0
[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-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d7ecafdc02270161af466b4aa5ff8fc92af7b30e1c497bb2195b2c5315d1bd6
[INFO] running `Command { std: "docker" "start" "-a" "1d7ecafdc02270161af466b4aa5ff8fc92af7b30e1c497bb2195b2c5315d1bd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d7ecafdc02270161af466b4aa5ff8fc92af7b30e1c497bb2195b2c5315d1bd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d7ecafdc02270161af466b4aa5ff8fc92af7b30e1c497bb2195b2c5315d1bd6", kill_on_drop: false }`
[INFO] [stdout] 1d7ecafdc02270161af466b4aa5ff8fc92af7b30e1c497bb2195b2c5315d1bd6
[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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96e7486f38779cea552f9773bb22c08c28587572355e59bde4df6accaf5fa151
[INFO] running `Command { std: "docker" "start" "-a" "96e7486f38779cea552f9773bb22c08c28587572355e59bde4df6accaf5fa151", kill_on_drop: false }`
[INFO] [stderr]    Compiling defmt v1.0.1
[INFO] [stderr]    Compiling defmt-macros v1.0.1
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling semver-parser v0.7.0
[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 futures-task v0.3.30
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling document-features v0.2.8
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling embedded-io v0.6.1
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[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 volatile-register v0.2.2
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling embassy-sync v0.6.2
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling embassy-executor v0.7.0
[INFO] [stderr]    Compiling pulldown-cmark v0.11.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling embedded-storage v0.3.1
[INFO] [stderr]    Compiling embassy-sync v0.7.0
[INFO] [stderr]    Compiling nrf-pac v0.1.0
[INFO] [stderr]    Compiling fixed v1.27.0
[INFO] [stderr]    Compiling portable-atomic v1.10.0
[INFO] [stderr]    Compiling embassy-time-queue-utils v0.1.0
[INFO] [stderr]    Compiling embassy-hal-internal v0.3.0
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling embedded-storage-async v0.4.1
[INFO] [stderr]    Compiling embassy-futures v0.1.1
[INFO] [stderr]    Compiling quote v1.0.36
[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 futures-io v0.3.30
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[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 darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling embassy-executor-macros v0.6.2
[INFO] [stderr]    Compiling lsm303agr v1.1.0
[INFO] [stderr]    Compiling defmt-parser v1.0.0
[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 26.49s
[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 2`
[INFO] running `Command { std: "docker" "inspect" "96e7486f38779cea552f9773bb22c08c28587572355e59bde4df6accaf5fa151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96e7486f38779cea552f9773bb22c08c28587572355e59bde4df6accaf5fa151", kill_on_drop: false }`
[INFO] [stdout] 96e7486f38779cea552f9773bb22c08c28587572355e59bde4df6accaf5fa151
[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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98ca7db88f3e71ae49c4d97cb0603c7ea6d51fd54122d2d50f694f7c89a5d756
[INFO] running `Command { std: "docker" "start" "-a" "98ca7db88f3e71ae49c4d97cb0603c7ea6d51fd54122d2d50f694f7c89a5d756", 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/rustco7qPlg/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,libunicode_width-*,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-c1e308101b2d7962,libportable_atomic-f040daee74e25c92,liblsm303agr-50de89061938895e,libembassy_nrf-1ada4b88a0b6767b,librand_core-9fd8b7f47bb6b75c,librand_core-3c8eee2b567cdf8f,libbitflags-f87f62472e1f73dd,libnrf_pac-fdcfa53211ef7343,libcortex_m_rt-01d5579d7251277e,libembassy_usb_driver-ed820d5082368a23,libembassy_embedded_hal-4ff6f276a4407aa1,libembassy_time-0ab1792832b8ea57,libembedded_hal_async-23f059ce649311a3,libembedded_hal-c742198270301beb,libembassy_sync-4c095c7a1fbfa8de,libembassy_futures-2b5b84beac60a1df,libembedded_storage_async-94181548f7a0220a,libfixed-9363a03432e2c08f,libtypenum-66c155be53855aa0,libbytemuck-03b975556bb5c7f6,libhalf-9a3e73d254ff7f77,libaz-fbf8829fc7ff3962,libembedded_storage-b929871147660e05,libcfg_if-33ef6c02a07f9fec,libembassy_hal_internal-811ed06e608571fd,libcortex_m-b9c70adb62f07f4d,libembedded_hal-3298c875f81ec945,libvoid-9163cd71c286a90e,libnb-09b9e2afdb2ba10b,libnb-86f78d16dd59c3ce,libvolatile_register-ec50e058c7292123,libvcell-d64dabacbc42077e,libbare_metal-f581e6a1989c1687,libnum_traits-f4a272bcdb4402d9,libembassy_time_queue_utils-382102833d505750,libembassy_executor-35766ba86898c86b,libembassy_time_driver-6123af6694dbd1d2,libembassy_sync-cd55164cb7735902,libembedded_io_async-93e3e9b4c157ebd7,libembedded_io-efd0eb4086cc8250,libfutures_util-24412531f636e0e4,libpin_project_lite-e0c50e8704e39276,libfutures_sink-6b57e84ec4e2a998,libfutures_task-f8f2106158e37d4f,libpin_utils-9a5791cba021167a,libfutures_core-9ce32543b852e4b6,libheapless-cf161451c85904c5,libdefmt-20cb09b1719fb423,libdefmt-f7b4e30f9a418ebd,libbitflags-e2b4db6c651223da,libhash32-deabc1ee08c68959,libbyteorder-7df9ab1ae37e1368,libcritical_section-c3d28f52b15a50a3}.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/rustco7qPlg/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-157f970da26e19de/out" "-L" "/opt/rustwide/target/debug/build/cortex-m-rt-f1dae701e907bd15/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-e59013009f202272" "-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" "98ca7db88f3e71ae49c4d97cb0603c7ea6d51fd54122d2d50f694f7c89a5d756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98ca7db88f3e71ae49c4d97cb0603c7ea6d51fd54122d2d50f694f7c89a5d756", kill_on_drop: false }`
[INFO] [stdout] 98ca7db88f3e71ae49c4d97cb0603c7ea6d51fd54122d2d50f694f7c89a5d756