[INFO] cloning repository https://github.com/titanclass/microrust-start
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/titanclass/microrust-start" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftitanclass%2Fmicrorust-start", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftitanclass%2Fmicrorust-start'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5b6ec47f869d4535d37a089edc5b7db0a69ff7d
[INFO] testing titanclass/microrust-start against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftitanclass%2Fmicrorust-start" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/titanclass/microrust-start on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/titanclass/microrust-start
[INFO] finished tweaking git repo https://github.com/titanclass/microrust-start
[INFO] tweaked toml for git repo https://github.com/titanclass/microrust-start written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/titanclass/microrust-start already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.14
[INFO] [stderr]   Downloaded cast v0.2.6
[INFO] [stderr]   Downloaded az v1.1.1
[INFO] [stderr]   Downloaded fixed v1.9.0
[INFO] [stderr]   Downloaded nrf-hal-common v0.12.2
[INFO] [stderr]   Downloaded embedded-dma v0.1.2
[INFO] [stderr]   Downloaded generic-array v0.13.3
[INFO] [stderr]   Downloaded rtt-target v0.3.1
[INFO] [stderr]   Downloaded cortex-m v0.7.2
[INFO] [stderr]   Downloaded nrf52833-pac v0.9.0
[INFO] [stderr]   Downloaded panic-probe v0.2.0
[INFO] [stderr]   Downloaded nrf52833-hal v0.12.2
[INFO] [stderr]   Downloaded panic-reset v0.1.0
[INFO] [stderr]   Downloaded rtt-target v0.2.2
[INFO] [stderr]   Downloaded as-slice v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fc6f4171bba233c8951cc5ae4bd88696c9ed26b0734bc07fd77b68039d009f38
[INFO] running `Command { std: "docker" "start" "-a" "fc6f4171bba233c8951cc5ae4bd88696c9ed26b0734bc07fd77b68039d009f38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc6f4171bba233c8951cc5ae4bd88696c9ed26b0734bc07fd77b68039d009f38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc6f4171bba233c8951cc5ae4bd88696c9ed26b0734bc07fd77b68039d009f38", kill_on_drop: false }`
[INFO] [stdout] fc6f4171bba233c8951cc5ae4bd88696c9ed26b0734bc07fd77b68039d009f38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1d55ebcadad08d772b082283f832aea81733582a9012a37abec9e2ebb748d0fa
[INFO] running `Command { std: "docker" "start" "-a" "1d55ebcadad08d772b082283f832aea81733582a9012a37abec9e2ebb748d0fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling cortex-m v0.7.2
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling cortex-m-rt v0.6.14
[INFO] [stderr]    Compiling az v1.1.1
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling fixed v1.9.0
[INFO] [stderr]    Compiling nrf52833-pac v0.9.0
[INFO] [stderr]    Compiling bytemuck v1.7.0
[INFO] [stderr]    Compiling nrf-hal-common v0.12.2
[INFO] [stderr]    Compiling ufmt-write v0.1.0
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling nrf52833-hal v0.12.2
[INFO] [stderr]    Compiling panic-probe v0.2.0
[INFO] [stderr]    Compiling app v0.1.0 (/opt/rustwide/workdir/app)
[INFO] [stderr]    Compiling embedded-dma v0.1.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling rtt-target v0.2.2
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling embedded-hal v0.2.5
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling rtt-target v0.3.1
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling aligned v0.3.4
[INFO] [stderr]    Compiling panic-reset v0.1.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling microrust-start v0.1.0 (/opt/rustwide/workdir/nrf-app)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/microrust_start-6838e8d1cbe4692f.microrust_start.e858e53e-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-6838e8d1cbe4692f.microrust_start.e858e53e-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-6838e8d1cbe4692f.microrust_start.e858e53e-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-6838e8d1cbe4692f.microrust_start.e858e53e-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-6838e8d1cbe4692f.microrust_start.e858e53e-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-6838e8d1cbe4692f.microrust_start.e858e53e-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-6838e8d1cbe4692f.microrust_start.e858e53e-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-6838e8d1cbe4692f.microrust_start.e858e53e-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-6838e8d1cbe4692f.microrust_start.e858e53e-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-6838e8d1cbe4692f.microrust_start.e858e53e-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-6838e8d1cbe4692f.microrust_start.e858e53e-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-6838e8d1cbe4692f.microrust_start.e858e53e-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-6838e8d1cbe4692f.microrust_start.e858e53e-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-6838e8d1cbe4692f.microrust_start.e858e53e-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-6838e8d1cbe4692f.microrust_start.e858e53e-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-6838e8d1cbe4692f.microrust_start.e858e53e-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-6838e8d1cbe4692f.2lpuhbo5f1pmu5rb.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/cortex-m-rt-0a23a86513cf42ed/out" "-L" "/opt/rustwide/target/debug/build/nrf52833-hal-0d3bdf99b90c217d/out" "-L" "/opt/rustwide/target/debug/build/nrf52833-pac-a3f4d79d0ce5d799/out" "-L" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libapp-8404b13a49edbf5b.rlib" "/opt/rustwide/target/debug/deps/librtt_target-e75999263e6760c4.rlib" "/opt/rustwide/target/debug/deps/libufmt_write-cb638f72caa5768a.rlib" "/opt/rustwide/target/debug/deps/libpanic_probe-c88f867903022b34.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8d61b92a0a02f53a.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-fc45202bb435016b.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-f2400674c7513725.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-605c3a7d1a5d300d.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-3d4fb4efa907e4e8.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-65207f030ab23308.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-76ca199cb0186109.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-1e3e01ed4f561dc1.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-dd8dddcba7c13fee.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-00b13d31c3420656.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-e4c8460b81557bd5.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-600d46e5f0005455.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e4a08a2585b62d37.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-fbc21ec567cb9dc7.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-10b3fa8e49bd978f.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-64625b73694ffce7.rlib" "/opt/rustwide/target/debug/deps/libnrf52833_hal-b3003c23825e84c5.rlib" "/opt/rustwide/target/debug/deps/libnrf_hal_common-6218cd054ba3130c.rlib" "/opt/rustwide/target/debug/deps/libfixed-7c201aec5c1342c7.rlib" "/opt/rustwide/target/debug/deps/libbytemuck-4a748d77c592b1be.rlib" "/opt/rustwide/target/debug/deps/libhalf-b8db064c27ca45f4.rlib" "/opt/rustwide/target/debug/deps/libaz-cd8dcfbd75625b52.rlib" "/opt/rustwide/target/debug/deps/librand_core-0b5d909b3b7ff20e.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-56df745b5175507b.rlib" "/opt/rustwide/target/debug/deps/libembedded_dma-e7637cdf605b6fcc.rlib" "/opt/rustwide/target/debug/deps/libcast-cef50c114dd7a302.rlib" "/opt/rustwide/target/debug/deps/libnrf52833_pac-8787e4dead20ca80.rlib" "/opt/rustwide/target/debug/deps/libcortex_m_rt-d1517fb1dcf80a5d.rlib" "/opt/rustwide/target/debug/deps/libr0-443f4716b1b26d2c.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-92f22b1d07f6ec7e.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-1456ed28550401bc.rlib" "/opt/rustwide/target/debug/deps/libvolatile_register-61ca45c24e4c2452.rlib" "/opt/rustwide/target/debug/deps/libvcell-8fc5181b5e3b5e72.rlib" "/opt/rustwide/target/debug/deps/libaligned-7f78ab83d8da83ff.rlib" "/opt/rustwide/target/debug/deps/libas_slice-f1d8dad30252652d.rlib" "/opt/rustwide/target/debug/deps/libstable_deref_trait-f1fb413d22b0d41c.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-f5ba41faa0becb0c.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-b8b13bc0d0fd61fc.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-dd9ba31129aec3e9.rlib" "/opt/rustwide/target/debug/deps/libtypenum-bbc8b6d814331ada.rlib" "/opt/rustwide/target/debug/deps/libbare_metal-11ef9756f98ef864.rlib" "/opt/rustwide/target/debug/deps/libembedded_hal-e09409d5c558e127.rlib" "/opt/rustwide/target/debug/deps/libvoid-933ae127f8f6cffe.rlib" "/opt/rustwide/target/debug/deps/libnb-f203755b7d3f4e85.rlib" "/opt/rustwide/target/debug/deps/libnb-ddc9b40058f0b667.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-fb6b78ac543a58ee.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1d1f2d1bec6f51b8.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-acf5ff6e9595d982.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/microrust_start-6838e8d1cbe4692f" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/microrust_start-6838e8d1cbe4692f.microrust_start.e858e53e-cgu.10.rcgu.o: in function `cortex_m::asm::wfe':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.2/src/asm.rs:49: undefined reference to `__wfe'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/microrust_start-6838e8d1cbe4692f.microrust_start.e858e53e-cgu.7.rcgu.o: in function `cortex_m::register::primask::read':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.2/src/register/primask.rs:29: undefined reference to `__primask_r'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/microrust_start-6838e8d1cbe4692f.microrust_start.e858e53e-cgu.8.rcgu.o: in function `cortex_m::interrupt::disable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.2/src/interrupt.rs:38: undefined reference to `__cpsid'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/microrust_start-6838e8d1cbe4692f.microrust_start.e858e53e-cgu.8.rcgu.o: in function `cortex_m::interrupt::enable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.2/src/interrupt.rs:48: undefined reference to `__cpsie'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librtt_target-e75999263e6760c4.rlib(rtt_target-e75999263e6760c4.rtt_target.a072d2f6-cgu.15.rcgu.o): in function `cortex_m::interrupt::disable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.2/src/interrupt.rs:38: undefined reference to `__cpsid'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librtt_target-e75999263e6760c4.rlib(rtt_target-e75999263e6760c4.rtt_target.a072d2f6-cgu.15.rcgu.o): in function `cortex_m::interrupt::enable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.2/src/interrupt.rs:48: undefined reference to `__cpsie'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librtt_target-e75999263e6760c4.rlib(rtt_target-e75999263e6760c4.rtt_target.a072d2f6-cgu.14.rcgu.o): in function `cortex_m::register::primask::read':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.2/src/register/primask.rs:29: undefined reference to `__primask_r'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `microrust-start` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "1d55ebcadad08d772b082283f832aea81733582a9012a37abec9e2ebb748d0fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d55ebcadad08d772b082283f832aea81733582a9012a37abec9e2ebb748d0fa", kill_on_drop: false }`
[INFO] [stdout] 1d55ebcadad08d772b082283f832aea81733582a9012a37abec9e2ebb748d0fa