[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] building EthanJamesLew/pwm-ctrl-stm32 against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthanJamesLew%2Fpwm-ctrl-stm32" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EthanJamesLew/pwm-ctrl-stm32 on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-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-0-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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fugit-timer v0.1.3
[INFO] [stderr]   Downloaded embedded-storage v0.2.0
[INFO] [stderr]   Downloaded rtic-monotonic v1.0.0
[INFO] [stderr]   Downloaded gcd v2.1.0
[INFO] [stderr]   Downloaded panic-rtt-target v0.1.2
[INFO] [stderr]   Downloaded stm32f4xx-hal v0.13.2
[INFO] [stderr]   Downloaded rtic-syntax v1.0.2
[INFO] [stderr]   Downloaded cortex-m-rtic-macros v1.1.4
[INFO] [stderr]   Downloaded heapless v0.7.14
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.3.7
[INFO] [stderr]   Downloaded fugit v0.3.5
[INFO] [stderr]   Downloaded micromath v2.0.0
[INFO] [stderr]   Downloaded rtic-core v1.0.0
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.5.0
[INFO] [stderr]   Downloaded panic-semihosting v0.5.6
[INFO] [stderr]   Downloaded rtt-target v0.3.1
[INFO] [stderr]   Downloaded stm32f4 v0.14.0
[INFO] [stderr]   Downloaded cortex-m-rtic v1.1.2
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-alpha.7
[INFO] [stderr]   Downloaded systick-monotonic v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9167c1b0f4139a4d526d599423589d3ac7cbb669c1b7ddf5d617d7f37c060a5f
[INFO] running `Command { std: "docker" "start" "-a" "9167c1b0f4139a4d526d599423589d3ac7cbb669c1b7ddf5d617d7f37c060a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9167c1b0f4139a4d526d599423589d3ac7cbb669c1b7ddf5d617d7f37c060a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9167c1b0f4139a4d526d599423589d3ac7cbb669c1b7ddf5d617d7f37c060a5f", kill_on_drop: false }`
[INFO] [stdout] 9167c1b0f4139a4d526d599423589d3ac7cbb669c1b7ddf5d617d7f37c060a5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d369d928aa1e844c44cc09152c7680384e8ab0803f683c497c75dda3ba484443
[INFO] running `Command { std: "docker" "start" "-a" "d369d928aa1e844c44cc09152c7680384e8ab0803f683c497c75dda3ba484443", 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 proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling semver v1.0.10
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling cortex-m-rt v0.7.1
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling volatile-register v0.2.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling hashbrown v0.12.1
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[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 cortex-m-semihosting v0.3.7
[INFO] [stderr]    Compiling cortex-m-rtic v1.1.2
[INFO] [stderr]    Compiling cortex-m-semihosting v0.5.0
[INFO] [stderr]    Compiling rtic-monotonic v1.0.0
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling ufmt-write v0.1.0
[INFO] [stderr]    Compiling embedded-hal v1.0.0-alpha.7
[INFO] [stderr]    Compiling embedded-dma v0.2.0
[INFO] [stderr]    Compiling rtic-core v1.0.0
[INFO] [stderr]    Compiling micromath v2.0.0
[INFO] [stderr]    Compiling embedded-storage v0.2.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling gcd v2.1.0
[INFO] [stderr]    Compiling fugit v0.3.5
[INFO] [stderr]    Compiling heapless v0.7.14
[INFO] [stderr]    Compiling rtt-target v0.3.1
[INFO] [stderr]    Compiling fugit-timer v0.1.3
[INFO] [stderr]    Compiling systick-monotonic v1.0.0
[INFO] [stderr]    Compiling panic-rtt-target v0.1.2
[INFO] [stderr]    Compiling panic-semihosting v0.5.6
[INFO] [stderr]    Compiling time v0.3.10
[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]     |                     ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> pwm-protocol/src/lib.rs:109:21
[INFO] [stdout]     |
[INFO] [stdout] 72  |                 SignalType::SINUSOID => {
[INFO] [stdout]     |                 -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 82  |                     SignalType::SQUARE => {
[INFO] [stdout]     |                     ------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 91  |                     SignalType::SPIKE => {
[INFO] [stdout]     |                     ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 100 |                     SignalType::SAW => {
[INFO] [stdout]     |                     --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 109 |                     _ => {
[INFO] [stdout]     |                     ^ collectively making this unreachable
[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] [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]     |                         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:437:25
[INFO] [stdout]     |
[INFO] [stdout] 390 |                         PwmOpCode::Frequency => {
[INFO] [stdout]     |                         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 395 |                         PwmOpCode::Phase => {
[INFO] [stdout]     |                         ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 405 |                         PwmOpCode::Wavetype => {
[INFO] [stdout]     |                         ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 419 |                         PwmOpCode::TableSize => {
[INFO] [stdout]     |                         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 437 |                         _ => (), 
[INFO] [stdout]     |                         ^ collectively making this unreachable
[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/ad211ced81509462cdfe4c29ed10f97279a0acae/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/ad211ced81509462cdfe4c29ed10f97279a0acae/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustc88SKaq/symbols.o" "<7 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libsystick_monotonic-dc8e86a27b53fc5b.rlib,libpwm_protocol-1468011e913ba22c.rlib,libmicromath-3488fb9c5451ac06.rlib,libpanic_semihosting-b8d3d6907839e48e.rlib}" "/opt/rustwide/rustup-home/toolchains/ad211ced81509462cdfe4c29ed10f97279a0acae/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-d6f1d924b2f4233e.rlib,libpanic_unwind-00eb06e39850f679.rlib,libobject-d0382f11baa011b6.rlib,libmemchr-b7e2e2c1a7e4643d.rlib,libaddr2line-30ced7f1999cfa29.rlib,libgimli-3ee7e14c58e31ebd.rlib,librustc_demangle-a4f649bba77ffcc5.rlib,libstd_detect-c89a3ce7ad7c3dbd.rlib,libhashbrown-e1ce1d3d110c6707.rlib,librustc_std_workspace_alloc-e0604fecbf0f39dc.rlib,libminiz_oxide-0a9c6172f04822cc.rlib,libadler2-14a33f7117abcee7.rlib,libunwind-24c16adbe5e57356.rlib,libcfg_if-d2688d4a5c8e415b.rlib,liblibc-8ff7ba6d97853f27.rlib,liballoc-5c001d095eb077ec.rlib}" "/opt/rustwide/target/debug/deps/{libcortex_m_semihosting-4312c44d725ac26f.rlib,libstm32f4xx_hal-c105631410f27b8f.rlib,libfugit_timer-d94a832d276f294a.rlib,libbitflags-e2b4db6c651223da.rlib,libtime-0c82a3cf6c0088fb.rlib,libembedded_storage-1c3bba2b5aefe0f3.rlib,libembedded_dma-c096b0f5afd7cc19.rlib,librand_core-6b5941f4d3af6944.rlib,libfugit-a15bef064e449963.rlib,libgcd-b8d935486609f61f.rlib,libembedded_hal-274c7fda36d73d78.rlib,libstm32f4-9cb372bd77cb8718.rlib,libcortex_m_rt-2752d8947059715a.rlib,librtic-401af27aaaaa58e6.rlib,libheapless-417acb1702c4a1de.rlib,libstable_deref_trait-5f51a5ca749ede17.rlib,libspin-d7890f9a6f52fefb.rlib,liblock_api-dccc8bceca04d50a.rlib,libscopeguard-43643e546252cd47.rlib,libhash32-ddd00e8b7882e84a.rlib,libbyteorder-995f0d8369b89739.rlib,libbare_metal-2c948f1ec29c8ab8.rlib,librtic_monotonic-3cd750296f463765.rlib,librtic_core-f7b3a49cf535a5fb.rlib,libcortex_m-4fe57c0d6a46ca4a.rlib,libembedded_hal-df05de77a4214ef7.rlib,libvoid-9163cd71c286a90e.rlib,libnb-84c23787cc8af287.rlib,libnb-50c6ba2667b3d02b.rlib,libvolatile_register-4c1e65ca58a23d3b.rlib,libvcell-d64dabacbc42077e.rlib,libbare_metal-c377580e2f65d702.rlib}" "/opt/rustwide/rustup-home/toolchains/ad211ced81509462cdfe4c29ed10f97279a0acae/lib/rustlib/x86_64-unknown-linux-gnu/lib/{librustc_std_workspace_core-395a38b8e0851c9b.rlib,libcore-d453bab70303062c.rlib,libcompiler_builtins-dd545221bb4f4734.rlib}" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-B/opt/rustwide/rustup-home/toolchains/ad211ced81509462cdfe4c29ed10f97279a0acae/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/cortex-m-rt-94cba84788cab8dc/out" "-L" "/opt/rustwide/target/debug/build/stm32f4-2750949feaae90fd/out" "-L" "/opt/rustwide/rustup-home/toolchains/ad211ced81509462cdfe4c29ed10f97279a0acae/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/stm32f4_hello-8942c1af9a84a061" "-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: __dsb
[INFO] [stdout]           >>> referenced by call_asm.rs:19 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.5/src/call_asm.rs:19)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/stm32f4_hello-8942c1af9a84a061.stm32f4_hello.31e749f6c1b5a80e-cgu.3.rcgu.o:(cortex_m::asm::dsb::ha60e92ab1b2429b0)
[INFO] [stdout]           >>> referenced by call_asm.rs:19 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.5/src/call_asm.rs:19)
[INFO] [stdout]           >>>               stm32f4xx_hal-c105631410f27b8f.stm32f4xx_hal.a3acc648f6f76dd-cgu.3.rcgu.o:(cortex_m::asm::dsb::h44b18c0f036ed237) in archive /opt/rustwide/target/debug/deps/libstm32f4xx_hal-c105631410f27b8f.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: __nop
[INFO] [stdout]           >>> referenced by call_asm.rs:19 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.5/src/call_asm.rs:19)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/stm32f4_hello-8942c1af9a84a061.stm32f4_hello.31e749f6c1b5a80e-cgu.3.rcgu.o:(cortex_m::asm::nop::h5804629162e7fe6e)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: __primask_r
[INFO] [stdout]           >>> referenced by call_asm.rs:19 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.5/src/call_asm.rs:19)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/stm32f4_hello-8942c1af9a84a061.stm32f4_hello.31e749f6c1b5a80e-cgu.3.rcgu.o:(cortex_m::register::primask::read::hde7a2e6ea4268c37)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: __cpsie
[INFO] [stdout]           >>> referenced by call_asm.rs:19 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.5/src/call_asm.rs:19)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/stm32f4_hello-8942c1af9a84a061.stm32f4_hello.31e749f6c1b5a80e-cgu.2.rcgu.o:(cortex_m::interrupt::enable::hd3c512dedaa9c320)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: __cpsid
[INFO] [stdout]           >>> referenced by call_asm.rs:19 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.5/src/call_asm.rs:19)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/stm32f4_hello-8942c1af9a84a061.stm32f4_hello.31e749f6c1b5a80e-cgu.2.rcgu.o:(cortex_m::interrupt::disable::h6b24122339ecc628)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: __delay
[INFO] [stdout]           >>> referenced by call_asm.rs:19 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.5/src/call_asm.rs:19)
[INFO] [stdout]           >>>               stm32f4xx_hal-c105631410f27b8f.stm32f4xx_hal.a3acc648f6f76dd-cgu.3.rcgu.o:(cortex_m::asm::delay::hc026c90db7a870c9) in archive /opt/rustwide/target/debug/deps/libstm32f4xx_hal-c105631410f27b8f.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stm32f4-hello` (bin "stm32f4-hello") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "d369d928aa1e844c44cc09152c7680384e8ab0803f683c497c75dda3ba484443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d369d928aa1e844c44cc09152c7680384e8ab0803f683c497c75dda3ba484443", kill_on_drop: false }`
[INFO] [stdout] d369d928aa1e844c44cc09152c7680384e8ab0803f683c497c75dda3ba484443
