[INFO] cloning repository https://github.com/EthanJamesLew/pwm-ctrl-stm32
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EthanJamesLew/pwm-ctrl-stm32" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthanJamesLew%2Fpwm-ctrl-stm32", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthanJamesLew%2Fpwm-ctrl-stm32'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dad95d087c7f52d5a5031bb6f67323bc50ee88bd
[INFO] testing EthanJamesLew/pwm-ctrl-stm32 against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthanJamesLew%2Fpwm-ctrl-stm32" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EthanJamesLew/pwm-ctrl-stm32 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/EthanJamesLew/pwm-ctrl-stm32
[INFO] finished tweaking git repo https://github.com/EthanJamesLew/pwm-ctrl-stm32
[INFO] tweaked toml for git repo https://github.com/EthanJamesLew/pwm-ctrl-stm32 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/EthanJamesLew/pwm-ctrl-stm32 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded systick-monotonic v1.0.0
[INFO] [stderr]   Downloaded rtic-monotonic v1.0.0
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-alpha.7
[INFO] [stderr]   Downloaded rtt-target v0.3.1
[INFO] [stderr]   Downloaded fugit v0.3.5
[INFO] [stderr]   Downloaded rtic-core v1.0.0
[INFO] [stderr]   Downloaded panic-rtt-target v0.1.2
[INFO] [stderr]   Downloaded rtic-syntax v1.0.2
[INFO] [stderr]   Downloaded cortex-m-rtic-macros v1.1.4
[INFO] [stderr]   Downloaded time v0.3.10
[INFO] [stderr]   Downloaded micromath v2.0.0
[INFO] [stderr]   Downloaded stm32f4xx-hal v0.13.2
[INFO] [stderr]   Downloaded cortex-m-rtic v1.1.2
[INFO] [stderr]   Downloaded stm32f4 v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85765bac65fa2d1cbb5146a28fe9f6cfd73983f74f704f9300e70a82c0ed78ce
[INFO] running `Command { std: "docker" "start" "-a" "85765bac65fa2d1cbb5146a28fe9f6cfd73983f74f704f9300e70a82c0ed78ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85765bac65fa2d1cbb5146a28fe9f6cfd73983f74f704f9300e70a82c0ed78ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85765bac65fa2d1cbb5146a28fe9f6cfd73983f74f704f9300e70a82c0ed78ce", kill_on_drop: false }`
[INFO] [stdout] 85765bac65fa2d1cbb5146a28fe9f6cfd73983f74f704f9300e70a82c0ed78ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9f37f785ae5d07bdc5f9b8167facb0ea11c5a85a5d8392d705d1dbfb54caae7
[INFO] running `Command { std: "docker" "start" "-a" "c9f37f785ae5d07bdc5f9b8167facb0ea11c5a85a5d8392d705d1dbfb54caae7", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.7.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling semver v1.0.10
[INFO] [stderr]    Compiling volatile-register v0.2.1
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cortex-m-rt v0.7.1
[INFO] [stderr]    Compiling gcd v2.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling hashbrown v0.12.1
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling fugit v0.3.5
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling spin v0.9.3
[INFO] [stderr]    Compiling stm32f4 v0.14.0
[INFO] [stderr]    Compiling bare-metal v1.0.0
[INFO] [stderr]    Compiling heapless v0.7.14
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]    Compiling cortex-m-rtic v1.1.2
[INFO] [stderr]    Compiling ufmt-write v0.1.0
[INFO] [stderr]    Compiling cortex-m-semihosting v0.5.0
[INFO] [stderr]    Compiling rtic-monotonic v1.0.0
[INFO] [stderr]    Compiling time v0.3.10
[INFO] [stderr]    Compiling fugit-timer v0.1.3
[INFO] [stderr]    Compiling embedded-dma v0.2.0
[INFO] [stderr]    Compiling embedded-hal v1.0.0-alpha.7
[INFO] [stderr]    Compiling embedded-storage v0.2.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rtt-target v0.3.1
[INFO] [stderr]    Compiling rtic-core v1.0.0
[INFO] [stderr]    Compiling micromath v2.0.0
[INFO] [stderr]    Compiling panic-rtt-target v0.1.2
[INFO] [stderr]    Compiling panic-semihosting v0.5.6
[INFO] [stderr]    Compiling systick-monotonic v1.0.0
[INFO] [stderr]    Compiling pwm_protocol v0.1.0 (/opt/rustwide/workdir/pwm-protocol)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> pwm-protocol/src/lib.rs:109:21
[INFO] [stdout]     |
[INFO] [stdout] 109 |                     _ => {
[INFO] [stdout]     |                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> pwm-protocol/src/lib.rs:110:29
[INFO] [stdout]     |
[INFO] [stdout] 110 |                         for i in 0..self.table_size {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_str` is never used
[INFO] [stdout]   --> pwm-protocol/src/lib.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     impl SignalType {
[INFO] [stdout]    |     --------------- associated function in this implementation
[INFO] [stdout] 37 |         fn from_str(orig: &str) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rtic-syntax v1.0.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling cortex-m-rtic-macros v1.1.4
[INFO] [stderr]    Compiling stm32f4xx-hal v0.13.2
[INFO] [stderr]    Compiling stm32f4-hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:437:25
[INFO] [stdout]     |
[INFO] [stdout] 437 |                         _ => (), 
[INFO] [stdout]     |                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcs36HZi/symbols.o" "/opt/rustwide/target/debug/deps/stm32f4_hello-7d856bc4f8e999b8.stm32f4_hello.ddc7ac19599bdd46-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/stm32f4_hello-7d856bc4f8e999b8.stm32f4_hello.ddc7ac19599bdd46-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/stm32f4_hello-7d856bc4f8e999b8.stm32f4_hello.ddc7ac19599bdd46-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/stm32f4_hello-7d856bc4f8e999b8.stm32f4_hello.ddc7ac19599bdd46-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/stm32f4_hello-7d856bc4f8e999b8.stm32f4_hello.ddc7ac19599bdd46-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/stm32f4_hello-7d856bc4f8e999b8.stm32f4_hello.ddc7ac19599bdd46-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/stm32f4_hello-7d856bc4f8e999b8.485oobola65jn2z3.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/cortex-m-rt-45a1a30c444f8c1a/out" "-L" "/opt/rustwide/target/debug/build/stm32f4-44aaf8855c8af4fd/out" "-L" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsystick_monotonic-d23b0fbed185604a.rlib" "/opt/rustwide/target/debug/deps/libpwm_protocol-ed80b10a1b17cdc7.rlib" "/opt/rustwide/target/debug/deps/libmicromath-6261fd9424ba87bc.rlib" "/opt/rustwide/target/debug/deps/libpanic_semihosting-c701a9181944af25.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-90f6ddbf82de36ec.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-480c41e9d4e1f677.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-db744c0ca03eed1d.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-8ba652dc7d4b285a.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d5f4520a9ebc0d58.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-4ad84de58f0cb463.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0d10aae2e0f38735.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-0c17cff739e6745b.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-b29e17139dde1aa8.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-1f975299829cc7bd.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-86bae3bc3079f89b.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-321b82c30dffdf5f.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3dd8a6810a0bdfef.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-eb39a61c0c879984.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-aa769569f91c3548.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-510a192a50a983ed.rlib" "/opt/rustwide/target/debug/deps/libcortex_m_semihosting-2238c6b522c479c8.rlib" "/opt/rustwide/target/debug/deps/libstm32f4xx_hal-abc902ba072afa48.rlib" "/opt/rustwide/target/debug/deps/libfugit_timer-beb82c2490bf6a0b.rlib" "/opt/rustwide/target/debug/deps/libbitflags-b7cee2ca4fb438d0.rlib" "/opt/rustwide/target/debug/deps/libtime-019ddffd44ceaa97.rlib" "/opt/rustwide/target/debug/deps/libembedded_storage-6118e4c2f82180cb.rlib" "/opt/rustwide/target/debug/deps/libembedded_dma-c4851cac402f3c87.rlib" "/opt/rustwide/target/debug/deps/librand_core-2c712cb3125d97b2.rlib" "/opt/rustwide/target/debug/deps/libfugit-dc0446bf87190e75.rlib" "/opt/rustwide/target/debug/deps/libgcd-fc6bb69dc59c2f13.rlib" "/opt/rustwide/target/debug/deps/libembedded_hal-a6971cf197a82afb.rlib" "/opt/rustwide/target/debug/deps/libstm32f4-c6efdb212020d35c.rlib" "/opt/rustwide/target/debug/deps/libcortex_m_rt-a8a47a9cc718608e.rlib" "/opt/rustwide/target/debug/deps/librtic-50fb068a0138f407.rlib" "/opt/rustwide/target/debug/deps/libheapless-0f99c6e1a0b3e439.rlib" "/opt/rustwide/target/debug/deps/libstable_deref_trait-f3a48c9d790733a6.rlib" "/opt/rustwide/target/debug/deps/libspin-2caef8641b8f0e8f.rlib" "/opt/rustwide/target/debug/deps/liblock_api-f79b9b5978180fd7.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-b35f5c652940acc2.rlib" "/opt/rustwide/target/debug/deps/libhash32-cc9057895b8ac5a4.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-6e85941598f342d7.rlib" "/opt/rustwide/target/debug/deps/libbare_metal-2eb22eaa10dc6288.rlib" "/opt/rustwide/target/debug/deps/librtic_monotonic-f42b4afb6bc9eca1.rlib" "/opt/rustwide/target/debug/deps/librtic_core-22f95c85b8ee3c2d.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-1a432be0a1a7aeaf.rlib" "/opt/rustwide/target/debug/deps/libembedded_hal-ab7e8f47c0533e0b.rlib" "/opt/rustwide/target/debug/deps/libvoid-b9e961a2e1cd8fb3.rlib" "/opt/rustwide/target/debug/deps/libnb-576ef4c6ac3f4dd8.rlib" "/opt/rustwide/target/debug/deps/libnb-2b0afb272169fd3c.rlib" "/opt/rustwide/target/debug/deps/libvolatile_register-d5983fd1c59a2dfe.rlib" "/opt/rustwide/target/debug/deps/libvcell-221320b7da29b4bb.rlib" "/opt/rustwide/target/debug/deps/libbare_metal-8289c7f9c3433e36.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-0577018320f99037.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-193cf992125ccd4c.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-8e138eaf26ebb4a8.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/stm32f4_hello-7d856bc4f8e999b8" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/stm32f4_hello-7d856bc4f8e999b8.stm32f4_hello.ddc7ac19599bdd46-cgu.3.rcgu.o: in function `cortex_m::asm::dsb':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cortex-m-0.7.5/src/asm.rs:82: undefined reference to `__dsb'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/stm32f4_hello-7d856bc4f8e999b8.stm32f4_hello.ddc7ac19599bdd46-cgu.3.rcgu.o: in function `cortex_m::asm::nop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cortex-m-0.7.5/src/asm.rs:35: undefined reference to `__nop'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/stm32f4_hello-7d856bc4f8e999b8.stm32f4_hello.ddc7ac19599bdd46-cgu.3.rcgu.o: in function `cortex_m::register::primask::read':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cortex-m-0.7.5/src/register/primask.rs:29: undefined reference to `__primask_r'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/stm32f4_hello-7d856bc4f8e999b8.stm32f4_hello.ddc7ac19599bdd46-cgu.3.rcgu.o: in function `cortex_m::interrupt::enable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cortex-m-0.7.5/src/interrupt.rs:48: undefined reference to `__cpsie'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/stm32f4_hello-7d856bc4f8e999b8.stm32f4_hello.ddc7ac19599bdd46-cgu.3.rcgu.o: in function `cortex_m::interrupt::disable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cortex-m-0.7.5/src/interrupt.rs:38: undefined reference to `__cpsid'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstm32f4xx_hal-abc902ba072afa48.rlib(stm32f4xx_hal-abc902ba072afa48.stm32f4xx_hal.4ff9a15016091e91-cgu.2.rcgu.o): in function `cortex_m::asm::dsb':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cortex-m-0.7.5/src/asm.rs:82: undefined reference to `__dsb'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstm32f4xx_hal-abc902ba072afa48.rlib(stm32f4xx_hal-abc902ba072afa48.stm32f4xx_hal.4ff9a15016091e91-cgu.2.rcgu.o): in function `cortex_m::asm::delay':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cortex-m-0.7.5/src/asm.rs:29: undefined reference to `__delay'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = note: 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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stm32f4-hello` (bin "stm32f4-hello") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c9f37f785ae5d07bdc5f9b8167facb0ea11c5a85a5d8392d705d1dbfb54caae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9f37f785ae5d07bdc5f9b8167facb0ea11c5a85a5d8392d705d1dbfb54caae7", kill_on_drop: false }`
[INFO] [stdout] c9f37f785ae5d07bdc5f9b8167facb0ea11c5a85a5d8392d705d1dbfb54caae7
