[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] 8270d6238630034def472379a563af6c52efb0db
[INFO] testing titanclass/microrust-start against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftitanclass%2Fmicrorust-start" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/titanclass/microrust-start on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-18/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-18/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" "+beta-2021-08-01" "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 cast v0.2.6
[INFO] [stderr]   Downloaded nrf-hal-common v0.12.2
[INFO] [stderr]   Downloaded cortex-m v0.7.2
[INFO] [stderr]   Downloaded fixed v1.9.0
[INFO] [stderr]   Downloaded rtt-target v0.2.2
[INFO] [stderr]   Downloaded nrf52833-pac v0.9.0
[INFO] [stderr]   Downloaded nrf52833-hal v0.12.2
[INFO] [stderr]   Downloaded panic-probe v0.2.0
[INFO] [stderr]   Downloaded rtt-target v0.3.1
[INFO] [stderr]   Downloaded ufmt-write v0.1.0
[INFO] [stderr]   Downloaded panic-reset v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9551e7dd27a67ad468e7ae3789cf21ad6c5449c71c28a0f7f5e4dd34960d1286
[INFO] running `Command { std: "docker" "start" "-a" "9551e7dd27a67ad468e7ae3789cf21ad6c5449c71c28a0f7f5e4dd34960d1286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9551e7dd27a67ad468e7ae3789cf21ad6c5449c71c28a0f7f5e4dd34960d1286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9551e7dd27a67ad468e7ae3789cf21ad6c5449c71c28a0f7f5e4dd34960d1286", kill_on_drop: false }`
[INFO] [stdout] 9551e7dd27a67ad468e7ae3789cf21ad6c5449c71c28a0f7f5e4dd34960d1286
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37f1ce88ac02f80e81cd29c1734b44f34496d1e706ba507063750877fa472642
[INFO] running `Command { std: "docker" "start" "-a" "37f1ce88ac02f80e81cd29c1734b44f34496d1e706ba507063750877fa472642", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling cortex-m v0.7.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling bitfield v0.13.2
[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 nrf52833-pac v0.9.0
[INFO] [stderr]    Compiling fixed v1.9.0
[INFO] [stderr]    Compiling bytemuck v1.7.0
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling ufmt-write v0.1.0
[INFO] [stderr]    Compiling nrf-hal-common v0.12.2
[INFO] [stderr]    Compiling nrf52833-hal v0.12.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling panic-probe v0.2.0
[INFO] [stderr]    Compiling app v0.1.0 (/opt/rustwide/workdir/app)
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling embedded-dma v0.1.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling rtt-target v0.2.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.5
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling rtt-target v0.3.1
[INFO] [stderr]    Compiling cast v0.2.6
[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-e083e76d197a0bfb.microrust_start.322b20f0-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-e083e76d197a0bfb.microrust_start.322b20f0-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-e083e76d197a0bfb.microrust_start.322b20f0-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-e083e76d197a0bfb.microrust_start.322b20f0-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-e083e76d197a0bfb.microrust_start.322b20f0-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-e083e76d197a0bfb.microrust_start.322b20f0-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-e083e76d197a0bfb.microrust_start.322b20f0-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-e083e76d197a0bfb.microrust_start.322b20f0-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-e083e76d197a0bfb.microrust_start.322b20f0-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-e083e76d197a0bfb.microrust_start.322b20f0-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-e083e76d197a0bfb.microrust_start.322b20f0-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-e083e76d197a0bfb.microrust_start.322b20f0-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-e083e76d197a0bfb.microrust_start.322b20f0-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-e083e76d197a0bfb.microrust_start.322b20f0-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-e083e76d197a0bfb.microrust_start.322b20f0-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-e083e76d197a0bfb.microrust_start.322b20f0-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/microrust_start-e083e76d197a0bfb.3mbbcwctly4luw37.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/cortex-m-rt-aaae55ce75010548/out" "-L" "/opt/rustwide/target/debug/build/nrf52833-hal-156b95d723fa53c6/out" "-L" "/opt/rustwide/target/debug/build/nrf52833-pac-0f69c1571e86a98b/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libapp-3adf4eacae3bf1e8.rlib" "/opt/rustwide/target/debug/deps/librtt_target-291185153b611e8d.rlib" "/opt/rustwide/target/debug/deps/libufmt_write-e575ffad3b141211.rlib" "/opt/rustwide/target/debug/deps/libpanic_probe-4cd5fa75b695a5d3.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-46a006cddfd334f0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b9870310e470b38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-260022ba8f1ab4ee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-71377435a799394f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-658ee5924fde57cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-9e8627da6bd1b94a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-19fdaac49f59be84.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cb00e2691ea45905.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-50f6726defae5ae1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2afc16311deea26e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bb5cb0fe086ee8cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-896053247b5dfd0b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-735e1f2ac3cf23be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9dfb6622644c732c.rlib" "/opt/rustwide/target/debug/deps/libnrf52833_hal-0b17b1100aa43efe.rlib" "/opt/rustwide/target/debug/deps/libnrf_hal_common-38fea470ab173439.rlib" "/opt/rustwide/target/debug/deps/libfixed-1babf27530ee94d4.rlib" "/opt/rustwide/target/debug/deps/libbytemuck-0e6634c1f3bce329.rlib" "/opt/rustwide/target/debug/deps/libhalf-9020834cd2c22e45.rlib" "/opt/rustwide/target/debug/deps/libaz-9b129f3a82f41e17.rlib" "/opt/rustwide/target/debug/deps/librand_core-7f886c6c53bb2e90.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-0d27f345b2a6a3cd.rlib" "/opt/rustwide/target/debug/deps/libembedded_dma-accd01947ea38d74.rlib" "/opt/rustwide/target/debug/deps/libcast-2be0eb4c911a805e.rlib" "/opt/rustwide/target/debug/deps/libnrf52833_pac-0f9f87805497e709.rlib" "/opt/rustwide/target/debug/deps/libcortex_m_rt-f406395fe4f66be0.rlib" "/opt/rustwide/target/debug/deps/libr0-ba394936cc4e2a3b.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-638212438500fb97.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-d737340ec368c49c.rlib" "/opt/rustwide/target/debug/deps/libvolatile_register-32de51c06af19547.rlib" "/opt/rustwide/target/debug/deps/libvcell-5887eab011832827.rlib" "/opt/rustwide/target/debug/deps/libaligned-2f9565bbb1601cb4.rlib" "/opt/rustwide/target/debug/deps/libas_slice-5148d21d9befaef8.rlib" "/opt/rustwide/target/debug/deps/libstable_deref_trait-067c643b9101b1bb.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-75b07c5ebd86941b.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-557238cae3f0f081.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-a1b372ec4bd31e55.rlib" "/opt/rustwide/target/debug/deps/libtypenum-f4df5726651c8a1c.rlib" "/opt/rustwide/target/debug/deps/libbare_metal-4f516ef965f24d33.rlib" "/opt/rustwide/target/debug/deps/libembedded_hal-aefeda6255b3c979.rlib" "/opt/rustwide/target/debug/deps/libvoid-a8f0b9c91ed5e34c.rlib" "/opt/rustwide/target/debug/deps/libnb-cd6a747219277078.rlib" "/opt/rustwide/target/debug/deps/libnb-118f76f327f8f88a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a9a3b2ad67977f47.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/microrust_start-e083e76d197a0bfb" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/microrust_start-e083e76d197a0bfb.microrust_start.322b20f0-cgu.15.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-e083e76d197a0bfb.microrust_start.322b20f0-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/microrust_start-e083e76d197a0bfb.microrust_start.322b20f0-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-e083e76d197a0bfb.microrust_start.322b20f0-cgu.9.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/librtt_target-291185153b611e8d.rlib(rtt_target-291185153b611e8d.rtt_target.a2fe9696-cgu.13.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-291185153b611e8d.rlib(rtt_target-291185153b611e8d.rtt_target.a2fe9696-cgu.13.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-291185153b611e8d.rlib(rtt_target-291185153b611e8d.rtt_target.a2fe9696-cgu.15.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" "37f1ce88ac02f80e81cd29c1734b44f34496d1e706ba507063750877fa472642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37f1ce88ac02f80e81cd29c1734b44f34496d1e706ba507063750877fa472642", kill_on_drop: false }`
[INFO] [stdout] 37f1ce88ac02f80e81cd29c1734b44f34496d1e706ba507063750877fa472642
