[INFO] fetching crate bluepill-usbcdc 0.1.0...
[INFO] testing bluepill-usbcdc-0.1.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate bluepill-usbcdc 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate bluepill-usbcdc 0.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bluepill-usbcdc 0.1.0
[INFO] finished tweaking crates.io crate bluepill-usbcdc 0.1.0
[INFO] tweaked toml for crates.io crate bluepill-usbcdc 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 767e1a925e32f380577b37d08ef12676a3886bb01b6e0dfd295844ad816589d4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "767e1a925e32f380577b37d08ef12676a3886bb01b6e0dfd295844ad816589d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "767e1a925e32f380577b37d08ef12676a3886bb01b6e0dfd295844ad816589d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "767e1a925e32f380577b37d08ef12676a3886bb01b6e0dfd295844ad816589d4", kill_on_drop: false }`
[INFO] [stdout] 767e1a925e32f380577b37d08ef12676a3886bb01b6e0dfd295844ad816589d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] 1b3b3e571b4e6c11a6ff21b1d0089dc6c35ac22052c2086093b34569d2bd8b0c
[INFO] running `Command { std: "docker" "start" "-a" "1b3b3e571b4e6c11a6ff21b1d0089dc6c35ac22052c2086093b34569d2bd8b0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling bluepill-usbcdc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `gcc::Config`: gcc::Config has been renamed to gcc::Build
[INFO] [stdout]  --> build.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     gcc::Config::new()
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `gcc::Build::new`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]  --> build.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     gcc::Config::new()
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: c/main.c: In function '_Error_Handler':
[INFO] [stderr] warning: c/main.c:9:28: warning: unused parameter 'file' [-Wunused-parameter]
[INFO] [stderr] warning:     9 | void _Error_Handler(char * file, int line)
[INFO] [stderr] warning:       |                     ~~~~~~~^~~~
[INFO] [stderr] warning: c/main.c:9:38: warning: unused parameter 'line' [-Wunused-parameter]
[INFO] [stderr] warning:     9 | void _Error_Handler(char * file, int line)
[INFO] [stderr] warning:       |                                  ~~~~^~~~
[INFO] [stderr] warning: c/main.c: In function '_Error_Handler':
[INFO] [stderr] warning: c/main.c:9:28: warning: unused parameter 'file' [-Wunused-parameter]
[INFO] [stderr] warning:     9 | void _Error_Handler(char * file, int line)
[INFO] [stderr] warning:       |                     ~~~~~~~^~~~
[INFO] [stderr] warning: c/main.c:9:38: warning: unused parameter 'line' [-Wunused-parameter]
[INFO] [stderr] warning:     9 | void _Error_Handler(char * file, int line)
[INFO] [stderr] warning:       |                                  ~~~~^~~~
[INFO] [stderr] warning: c/usbd_cdc.c: In function 'USBD_CDC_Init':
[INFO] [stderr] warning: c/usbd_cdc.c:476:40: warning: unused parameter 'cfgidx' [-Wunused-parameter]
[INFO] [stderr] warning:   476 |                                uint8_t cfgidx)
[INFO] [stderr] warning:       |                                ~~~~~~~~^~~~~~
[INFO] [stderr] warning: c/usbd_cdc.c: In function 'USBD_CDC_DeInit':
[INFO] [stderr] warning: c/usbd_cdc.c:564:42: warning: unused parameter 'cfgidx' [-Wunused-parameter]
[INFO] [stderr] warning:   564 |                                  uint8_t cfgidx)
[INFO] [stderr] warning:       |                                  ~~~~~~~~^~~~~~
[INFO] [stderr] warning: c/usbd_cdc.c: In function 'USBD_CDC_DataIn':
[INFO] [stderr] warning: c/usbd_cdc.c:664:68: warning: unused parameter 'epnum' [-Wunused-parameter]
[INFO] [stderr] warning:   664 | static uint8_t  USBD_CDC_DataIn (USBD_HandleTypeDef *pdev, uint8_t epnum)
[INFO] [stderr] warning:       |                                                            ~~~~~~~~^~~~~
[INFO] [stderr] warning: c/usbd_cdc_if.c: In function 'CDC_Control_FS':
[INFO] [stderr] warning: c/usbd_cdc_if.c:185:54: warning: unused parameter 'pbuf' [-Wunused-parameter]
[INFO] [stderr] warning:   185 | static int8_t CDC_Control_FS  (uint8_t cmd, uint8_t* pbuf, uint16_t length)
[INFO] [stderr] warning:       |                                             ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_cdc_if.c:185:69: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning:   185 | static int8_t CDC_Control_FS  (uint8_t cmd, uint8_t* pbuf, uint16_t length)
[INFO] [stderr] warning:       |                                                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: c/usbd_conf.c: In function 'USBD_static_malloc':
[INFO] [stderr] warning: c/usbd_conf.c:717:35: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning:   717 | void *USBD_static_malloc(uint32_t size)
[INFO] [stderr] warning:       |                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_conf.c: In function 'USBD_static_free':
[INFO] [stderr] warning: c/usbd_conf.c:728:29: warning: unused parameter 'p' [-Wunused-parameter]
[INFO] [stderr] warning:   728 | void USBD_static_free(void *p)
[INFO] [stderr] warning:       |                       ~~~~~~^
[INFO] [stderr] warning: c/usbd_conf.c: In function 'HAL_PCDEx_SetConnectionState':
[INFO] [stderr] warning: c/usbd_conf.c:739:54: warning: unused parameter 'hpcd' [-Wunused-parameter]
[INFO] [stderr] warning:   739 | void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state)
[INFO] [stderr] warning:       |                                   ~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_core.c: In function 'USBD_RunTestMode':
[INFO] [stderr] warning: c/usbd_core.c:213:60: warning: unused parameter 'pdev' [-Wunused-parameter]
[INFO] [stderr] warning:   213 | USBD_StatusTypeDef  USBD_RunTestMode (USBD_HandleTypeDef  *pdev)
[INFO] [stderr] warning:       |                                       ~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_core.c: In function 'USBD_LL_IsoINIncomplete':
[INFO] [stderr] warning: c/usbd_core.c:509:65: warning: unused parameter 'pdev' [-Wunused-parameter]
[INFO] [stderr] warning:   509 | USBD_StatusTypeDef USBD_LL_IsoINIncomplete(USBD_HandleTypeDef  *pdev, uint8_t epnum)
[INFO] [stderr] warning:       |                                            ~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_core.c:509:79: warning: unused parameter 'epnum' [-Wunused-parameter]
[INFO] [stderr] warning:   509 | USBD_StatusTypeDef USBD_LL_IsoINIncomplete(USBD_HandleTypeDef  *pdev, uint8_t epnum)
[INFO] [stderr] warning:       |                                                                       ~~~~~~~~^~~~~
[INFO] [stderr] warning: c/usbd_core.c: In function 'USBD_LL_IsoOUTIncomplete':
[INFO] [stderr] warning: c/usbd_core.c:520:66: warning: unused parameter 'pdev' [-Wunused-parameter]
[INFO] [stderr] warning:   520 | USBD_StatusTypeDef USBD_LL_IsoOUTIncomplete(USBD_HandleTypeDef  *pdev, uint8_t epnum)
[INFO] [stderr] warning:       |                                             ~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_core.c:520:80: warning: unused parameter 'epnum' [-Wunused-parameter]
[INFO] [stderr] warning:   520 | USBD_StatusTypeDef USBD_LL_IsoOUTIncomplete(USBD_HandleTypeDef  *pdev, uint8_t epnum)
[INFO] [stderr] warning:       |                                                                        ~~~~~~~~^~~~~
[INFO] [stderr] warning: c/usbd_core.c: In function 'USBD_LL_DevConnected':
[INFO] [stderr] warning: c/usbd_core.c:531:62: warning: unused parameter 'pdev' [-Wunused-parameter]
[INFO] [stderr] warning:   531 | USBD_StatusTypeDef USBD_LL_DevConnected(USBD_HandleTypeDef  *pdev)
[INFO] [stderr] warning:       |                                         ~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_ctlreq.c: In function 'USBD_CtlError':
[INFO] [stderr] warning: c/usbd_ctlreq.c:717:51: warning: unused parameter 'req' [-Wunused-parameter]
[INFO] [stderr] warning:   717 |                             USBD_SetupReqTypedef *req)
[INFO] [stderr] warning:       |                             ~~~~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: c/usbd_desc.c: In function 'USBD_FS_DeviceDescriptor':
[INFO] [stderr] warning: c/usbd_desc.c:189:56: warning: unused parameter 'speed' [-Wunused-parameter]
[INFO] [stderr] warning:   189 | uint8_t *  USBD_FS_DeviceDescriptor( USBD_SpeedTypeDef speed , uint16_t *length)
[INFO] [stderr] warning:       |                                      ~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: c/usbd_desc.c: In function 'USBD_FS_LangIDStrDescriptor':
[INFO] [stderr] warning: c/usbd_desc.c:202:59: warning: unused parameter 'speed' [-Wunused-parameter]
[INFO] [stderr] warning:   202 | uint8_t *  USBD_FS_LangIDStrDescriptor( USBD_SpeedTypeDef speed , uint16_t *length)
[INFO] [stderr] warning:       |                                         ~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: c/usbd_desc.c: In function 'USBD_FS_ProductStrDescriptor':
[INFO] [stderr] warning: c/usbd_desc.c:78:36: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    78 | #define USBD_PRODUCT_STRING_FS     "STM32 Virtual ComPort"
[INFO] [stderr] warning:       |                                    ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning:       |                                    |
[INFO] [stderr] warning:       |                                    char *
[INFO] [stderr] warning: c/usbd_desc.c:219:21: note: in expansion of macro 'USBD_PRODUCT_STRING_FS'
[INFO] [stderr] warning:   219 |     USBD_GetString (USBD_PRODUCT_STRING_FS, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                     ^~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_desc.c:78:36: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    78 | #define USBD_PRODUCT_STRING_FS     "STM32 Virtual ComPort"
[INFO] [stderr] warning:       |                                    ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning:       |                                    |
[INFO] [stderr] warning:       |                                    char *
[INFO] [stderr] warning: c/usbd_desc.c:223:21: note: in expansion of macro 'USBD_PRODUCT_STRING_FS'
[INFO] [stderr] warning:   223 |     USBD_GetString (USBD_PRODUCT_STRING_FS, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                     ^~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_desc.c: In function 'USBD_FS_ManufacturerStrDescriptor':
[INFO] [stderr] warning: c/usbd_desc.c:76:38: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    76 | #define USBD_MANUFACTURER_STRING     "STMicroelectronics"
[INFO] [stderr] warning:       |                                      ^~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning:       |                                      |
[INFO] [stderr] warning:       |                                      char *
[INFO] [stderr] warning: c/usbd_desc.c:237:19: note: in expansion of macro 'USBD_MANUFACTURER_STRING'
[INFO] [stderr] warning:   237 |   USBD_GetString (USBD_MANUFACTURER_STRING, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                   ^~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_desc.c:235:65: warning: unused parameter 'speed' [-Wunused-parameter]
[INFO] [stderr] warning:   235 | uint8_t *  USBD_FS_ManufacturerStrDescriptor( USBD_SpeedTypeDef speed , uint16_t *length)
[INFO] [stderr] warning:       |                                               ~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: c/usbd_desc.c: In function 'USBD_FS_SerialStrDescriptor':
[INFO] [stderr] warning: c/usbd_desc.c:79:41: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    79 | #define USBD_SERIALNUMBER_STRING_FS     "00000000001A"
[INFO] [stderr] warning:       |                                         ^~~~~~~~~~~~~~
[INFO] [stderr] warning:       |                                         |
[INFO] [stderr] warning:       |                                         char *
[INFO] [stderr] warning: c/usbd_desc.c:252:21: note: in expansion of macro 'USBD_SERIALNUMBER_STRING_FS'
[INFO] [stderr] warning:   252 |     USBD_GetString (USBD_SERIALNUMBER_STRING_FS, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_desc.c:79:41: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    79 | #define USBD_SERIALNUMBER_STRING_FS     "00000000001A"
[INFO] [stderr] warning:       |                                         ^~~~~~~~~~~~~~
[INFO] [stderr] warning:       |                                         |
[INFO] [stderr] warning:       |                                         char *
[INFO] [stderr] warning: c/usbd_desc.c:256:21: note: in expansion of macro 'USBD_SERIALNUMBER_STRING_FS'
[INFO] [stderr] warning:   256 |     USBD_GetString (USBD_SERIALNUMBER_STRING_FS, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_desc.c: In function 'USBD_FS_ConfigStrDescriptor':
[INFO] [stderr] warning: c/usbd_desc.c:80:42: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    80 | #define USBD_CONFIGURATION_STRING_FS     "CDC Config"
[INFO] [stderr] warning:       |                                          ^~~~~~~~~~~~
[INFO] [stderr] warning:       |                                          |
[INFO] [stderr] warning:       |                                          char *
[INFO] [stderr] warning: c/usbd_desc.c:272:21: note: in expansion of macro 'USBD_CONFIGURATION_STRING_FS'
[INFO] [stderr] warning:   272 |     USBD_GetString (USBD_CONFIGURATION_STRING_FS, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_desc.c:80:42: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    80 | #define USBD_CONFIGURATION_STRING_FS     "CDC Config"
[INFO] [stderr] warning:       |                                          ^~~~~~~~~~~~
[INFO] [stderr] warning:       |                                          |
[INFO] [stderr] warning:       |                                          char *
[INFO] [stderr] warning: c/usbd_desc.c:276:21: note: in expansion of macro 'USBD_CONFIGURATION_STRING_FS'
[INFO] [stderr] warning:   276 |     USBD_GetString (USBD_CONFIGURATION_STRING_FS, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_desc.c: In function 'USBD_FS_InterfaceStrDescriptor':
[INFO] [stderr] warning: c/usbd_desc.c:81:38: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    81 | #define USBD_INTERFACE_STRING_FS     "CDC Interface"
[INFO] [stderr] warning:       |                                      ^~~~~~~~~~~~~~~
[INFO] [stderr] warning:       |                                      |
[INFO] [stderr] warning:       |                                      char *
[INFO] [stderr] warning: c/usbd_desc.c:292:21: note: in expansion of macro 'USBD_INTERFACE_STRING_FS'
[INFO] [stderr] warning:   292 |     USBD_GetString (USBD_INTERFACE_STRING_FS, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                     ^~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_desc.c:81:38: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    81 | #define USBD_INTERFACE_STRING_FS     "CDC Interface"
[INFO] [stderr] warning:       |                                      ^~~~~~~~~~~~~~~
[INFO] [stderr] warning:       |                                      |
[INFO] [stderr] warning:       |                                      char *
[INFO] [stderr] warning: c/usbd_desc.c:296:21: note: in expansion of macro 'USBD_INTERFACE_STRING_FS'
[INFO] [stderr] warning:   296 |     USBD_GetString (USBD_INTERFACE_STRING_FS, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                     ^~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usb_device.c: In function 'MX_USB_DEVICE_Init':
[INFO] [stderr] warning: c/usb_device.c:64:16: warning: initialization of 'uint8_t *' {aka 'unsigned char *'} from incompatible pointer type 'USBD_HandleTypeDef *' {aka 'struct _USBD_HandleTypeDef *'} [-Wincompatible-pointer-types]
[INFO] [stderr] warning:    64 |   uint8_t *p = &hUsbDeviceFS;
[INFO] [stderr] warning:       |                ^
[INFO] [stderr] warning: c/usb_device.c:64:12: warning: unused variable 'p' [-Wunused-variable]
[INFO] [stderr] warning:    64 |   uint8_t *p = &hUsbDeviceFS;
[INFO] [stderr] warning:       |            ^
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.21s
[INFO] running `Command { std: "docker" "inspect" "1b3b3e571b4e6c11a6ff21b1d0089dc6c35ac22052c2086093b34569d2bd8b0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b3b3e571b4e6c11a6ff21b1d0089dc6c35ac22052c2086093b34569d2bd8b0c", kill_on_drop: false }`
[INFO] [stdout] 1b3b3e571b4e6c11a6ff21b1d0089dc6c35ac22052c2086093b34569d2bd8b0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a73e69a6106036acdd6929749365cca13feff0be8d38bb4c9c969d59176199f4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a73e69a6106036acdd6929749365cca13feff0be8d38bb4c9c969d59176199f4", kill_on_drop: false }`
[INFO] [stderr] warning: c/main.c: In function '_Error_Handler':
[INFO] [stdout] warning: use of deprecated type alias `gcc::Config`: gcc::Config has been renamed to gcc::Build
[INFO] [stdout]  --> build.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     gcc::Config::new()
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: c/main.c:9:28: warning: unused parameter 'file' [-Wunused-parameter]
[INFO] [stdout] warning: use of deprecated associated function `gcc::Build::new`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]  --> build.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     gcc::Config::new()
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning:     9 | void _Error_Handler(char * file, int line)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning:       |                     ~~~~~~~^~~~
[INFO] [stderr] warning: c/main.c:9:38: warning: unused parameter 'line' [-Wunused-parameter]
[INFO] [stderr] warning:     9 | void _Error_Handler(char * file, int line)
[INFO] [stderr] warning:       |                                  ~~~~^~~~
[INFO] [stderr] warning: c/main.c: In function '_Error_Handler':
[INFO] [stderr] warning: c/main.c:9:28: warning: unused parameter 'file' [-Wunused-parameter]
[INFO] [stderr] warning:     9 | void _Error_Handler(char * file, int line)
[INFO] [stderr] warning:       |                     ~~~~~~~^~~~
[INFO] [stderr] warning: c/main.c:9:38: warning: unused parameter 'line' [-Wunused-parameter]
[INFO] [stderr] warning:     9 | void _Error_Handler(char * file, int line)
[INFO] [stderr] warning:       |                                  ~~~~^~~~
[INFO] [stderr] warning: c/usbd_cdc.c: In function 'USBD_CDC_Init':
[INFO] [stderr] warning: c/usbd_cdc.c:476:40: warning: unused parameter 'cfgidx' [-Wunused-parameter]
[INFO] [stderr] warning:   476 |                                uint8_t cfgidx)
[INFO] [stderr] warning:       |                                ~~~~~~~~^~~~~~
[INFO] [stderr] warning: c/usbd_cdc.c: In function 'USBD_CDC_DeInit':
[INFO] [stderr] warning: c/usbd_cdc.c:564:42: warning: unused parameter 'cfgidx' [-Wunused-parameter]
[INFO] [stderr] warning:   564 |                                  uint8_t cfgidx)
[INFO] [stderr] warning:       |                                  ~~~~~~~~^~~~~~
[INFO] [stderr] warning: c/usbd_cdc.c: In function 'USBD_CDC_DataIn':
[INFO] [stderr] warning: c/usbd_cdc.c:664:68: warning: unused parameter 'epnum' [-Wunused-parameter]
[INFO] [stderr] warning:   664 | static uint8_t  USBD_CDC_DataIn (USBD_HandleTypeDef *pdev, uint8_t epnum)
[INFO] [stderr] warning:       |                                                            ~~~~~~~~^~~~~
[INFO] [stderr] warning: c/usbd_cdc_if.c: In function 'CDC_Control_FS':
[INFO] [stderr] warning: c/usbd_cdc_if.c:185:54: warning: unused parameter 'pbuf' [-Wunused-parameter]
[INFO] [stderr] warning:   185 | static int8_t CDC_Control_FS  (uint8_t cmd, uint8_t* pbuf, uint16_t length)
[INFO] [stderr] warning:       |                                             ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_cdc_if.c:185:69: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning:   185 | static int8_t CDC_Control_FS  (uint8_t cmd, uint8_t* pbuf, uint16_t length)
[INFO] [stderr] warning:       |                                                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: c/usbd_conf.c: In function 'USBD_static_malloc':
[INFO] [stderr] warning: c/usbd_conf.c:717:35: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning:   717 | void *USBD_static_malloc(uint32_t size)
[INFO] [stderr] warning:       |                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_conf.c: In function 'USBD_static_free':
[INFO] [stderr] warning: c/usbd_conf.c:728:29: warning: unused parameter 'p' [-Wunused-parameter]
[INFO] [stderr] warning:   728 | void USBD_static_free(void *p)
[INFO] [stderr] warning:       |                       ~~~~~~^
[INFO] [stderr] warning: c/usbd_conf.c: In function 'HAL_PCDEx_SetConnectionState':
[INFO] [stderr] warning: c/usbd_conf.c:739:54: warning: unused parameter 'hpcd' [-Wunused-parameter]
[INFO] [stderr] warning:   739 | void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state)
[INFO] [stderr] warning:       |                                   ~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_core.c: In function 'USBD_RunTestMode':
[INFO] [stderr] warning: c/usbd_core.c:213:60: warning: unused parameter 'pdev' [-Wunused-parameter]
[INFO] [stderr] warning:   213 | USBD_StatusTypeDef  USBD_RunTestMode (USBD_HandleTypeDef  *pdev)
[INFO] [stderr] warning:       |                                       ~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_core.c: In function 'USBD_LL_IsoINIncomplete':
[INFO] [stderr] warning: c/usbd_core.c:509:65: warning: unused parameter 'pdev' [-Wunused-parameter]
[INFO] [stderr] warning:   509 | USBD_StatusTypeDef USBD_LL_IsoINIncomplete(USBD_HandleTypeDef  *pdev, uint8_t epnum)
[INFO] [stderr] warning:       |                                            ~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_core.c:509:79: warning: unused parameter 'epnum' [-Wunused-parameter]
[INFO] [stderr] warning:   509 | USBD_StatusTypeDef USBD_LL_IsoINIncomplete(USBD_HandleTypeDef  *pdev, uint8_t epnum)
[INFO] [stderr] warning:       |                                                                       ~~~~~~~~^~~~~
[INFO] [stderr] warning: c/usbd_core.c: In function 'USBD_LL_IsoOUTIncomplete':
[INFO] [stderr] warning: c/usbd_core.c:520:66: warning: unused parameter 'pdev' [-Wunused-parameter]
[INFO] [stderr] warning:   520 | USBD_StatusTypeDef USBD_LL_IsoOUTIncomplete(USBD_HandleTypeDef  *pdev, uint8_t epnum)
[INFO] [stderr] warning:       |                                             ~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_core.c:520:80: warning: unused parameter 'epnum' [-Wunused-parameter]
[INFO] [stderr] warning:   520 | USBD_StatusTypeDef USBD_LL_IsoOUTIncomplete(USBD_HandleTypeDef  *pdev, uint8_t epnum)
[INFO] [stderr] warning:       |                                                                        ~~~~~~~~^~~~~
[INFO] [stderr] warning: c/usbd_core.c: In function 'USBD_LL_DevConnected':
[INFO] [stderr] warning: c/usbd_core.c:531:62: warning: unused parameter 'pdev' [-Wunused-parameter]
[INFO] [stderr] warning:   531 | USBD_StatusTypeDef USBD_LL_DevConnected(USBD_HandleTypeDef  *pdev)
[INFO] [stderr] warning:       |                                         ~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_ctlreq.c: In function 'USBD_CtlError':
[INFO] [stderr] warning: c/usbd_ctlreq.c:717:51: warning: unused parameter 'req' [-Wunused-parameter]
[INFO] [stderr] warning:   717 |                             USBD_SetupReqTypedef *req)
[INFO] [stderr] warning:       |                             ~~~~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: c/usbd_desc.c: In function 'USBD_FS_DeviceDescriptor':
[INFO] [stderr] warning: c/usbd_desc.c:189:56: warning: unused parameter 'speed' [-Wunused-parameter]
[INFO] [stderr] warning:   189 | uint8_t *  USBD_FS_DeviceDescriptor( USBD_SpeedTypeDef speed , uint16_t *length)
[INFO] [stderr] warning:       |                                      ~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: c/usbd_desc.c: In function 'USBD_FS_LangIDStrDescriptor':
[INFO] [stderr] warning: c/usbd_desc.c:202:59: warning: unused parameter 'speed' [-Wunused-parameter]
[INFO] [stderr] warning:   202 | uint8_t *  USBD_FS_LangIDStrDescriptor( USBD_SpeedTypeDef speed , uint16_t *length)
[INFO] [stderr] warning:       |                                         ~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: c/usbd_desc.c: In function 'USBD_FS_ProductStrDescriptor':
[INFO] [stderr] warning: c/usbd_desc.c:78:36: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    78 | #define USBD_PRODUCT_STRING_FS     "STM32 Virtual ComPort"
[INFO] [stderr] warning:       |                                    ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning:       |                                    |
[INFO] [stderr] warning:       |                                    char *
[INFO] [stderr] warning: c/usbd_desc.c:219:21: note: in expansion of macro 'USBD_PRODUCT_STRING_FS'
[INFO] [stderr] warning:   219 |     USBD_GetString (USBD_PRODUCT_STRING_FS, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                     ^~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_desc.c:78:36: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    78 | #define USBD_PRODUCT_STRING_FS     "STM32 Virtual ComPort"
[INFO] [stderr] warning:       |                                    ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning:       |                                    |
[INFO] [stderr] warning:       |                                    char *
[INFO] [stderr] warning: c/usbd_desc.c:223:21: note: in expansion of macro 'USBD_PRODUCT_STRING_FS'
[INFO] [stderr] warning:   223 |     USBD_GetString (USBD_PRODUCT_STRING_FS, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                     ^~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_desc.c: In function 'USBD_FS_ManufacturerStrDescriptor':
[INFO] [stderr] warning: c/usbd_desc.c:76:38: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    76 | #define USBD_MANUFACTURER_STRING     "STMicroelectronics"
[INFO] [stderr] warning:       |                                      ^~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning:       |                                      |
[INFO] [stderr] warning:       |                                      char *
[INFO] [stderr] warning: c/usbd_desc.c:237:19: note: in expansion of macro 'USBD_MANUFACTURER_STRING'
[INFO] [stderr] warning:   237 |   USBD_GetString (USBD_MANUFACTURER_STRING, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                   ^~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_desc.c:235:65: warning: unused parameter 'speed' [-Wunused-parameter]
[INFO] [stderr] warning:   235 | uint8_t *  USBD_FS_ManufacturerStrDescriptor( USBD_SpeedTypeDef speed , uint16_t *length)
[INFO] [stderr] warning:       |                                               ~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: c/usbd_desc.c: In function 'USBD_FS_SerialStrDescriptor':
[INFO] [stderr] warning: c/usbd_desc.c:79:41: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    79 | #define USBD_SERIALNUMBER_STRING_FS     "00000000001A"
[INFO] [stderr] warning:       |                                         ^~~~~~~~~~~~~~
[INFO] [stderr] warning:       |                                         |
[INFO] [stderr] warning:       |                                         char *
[INFO] [stderr] warning: c/usbd_desc.c:252:21: note: in expansion of macro 'USBD_SERIALNUMBER_STRING_FS'
[INFO] [stderr] warning:   252 |     USBD_GetString (USBD_SERIALNUMBER_STRING_FS, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_desc.c:79:41: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    79 | #define USBD_SERIALNUMBER_STRING_FS     "00000000001A"
[INFO] [stderr] warning:       |                                         ^~~~~~~~~~~~~~
[INFO] [stderr] warning:       |                                         |
[INFO] [stderr] warning:       |                                         char *
[INFO] [stderr] warning: c/usbd_desc.c:256:21: note: in expansion of macro 'USBD_SERIALNUMBER_STRING_FS'
[INFO] [stderr] warning:   256 |     USBD_GetString (USBD_SERIALNUMBER_STRING_FS, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_desc.c: In function 'USBD_FS_ConfigStrDescriptor':
[INFO] [stderr] warning: c/usbd_desc.c:80:42: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    80 | #define USBD_CONFIGURATION_STRING_FS     "CDC Config"
[INFO] [stderr] warning:       |                                          ^~~~~~~~~~~~
[INFO] [stderr] warning:       |                                          |
[INFO] [stderr] warning:       |                                          char *
[INFO] [stderr] warning: c/usbd_desc.c:272:21: note: in expansion of macro 'USBD_CONFIGURATION_STRING_FS'
[INFO] [stderr] warning:   272 |     USBD_GetString (USBD_CONFIGURATION_STRING_FS, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_desc.c:80:42: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    80 | #define USBD_CONFIGURATION_STRING_FS     "CDC Config"
[INFO] [stderr] warning:       |                                          ^~~~~~~~~~~~
[INFO] [stderr] warning:       |                                          |
[INFO] [stderr] warning:       |                                          char *
[INFO] [stderr] warning: c/usbd_desc.c:276:21: note: in expansion of macro 'USBD_CONFIGURATION_STRING_FS'
[INFO] [stderr] warning:   276 |     USBD_GetString (USBD_CONFIGURATION_STRING_FS, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_desc.c: In function 'USBD_FS_InterfaceStrDescriptor':
[INFO] [stderr] warning: c/usbd_desc.c:81:38: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    81 | #define USBD_INTERFACE_STRING_FS     "CDC Interface"
[INFO] [stderr] warning:       |                                      ^~~~~~~~~~~~~~~
[INFO] [stderr] warning:       |                                      |
[INFO] [stderr] warning:       |                                      char *
[INFO] [stderr] warning: c/usbd_desc.c:292:21: note: in expansion of macro 'USBD_INTERFACE_STRING_FS'
[INFO] [stderr] warning:   292 |     USBD_GetString (USBD_INTERFACE_STRING_FS, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                     ^~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_desc.c:81:38: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    81 | #define USBD_INTERFACE_STRING_FS     "CDC Interface"
[INFO] [stderr] warning:       |                                      ^~~~~~~~~~~~~~~
[INFO] [stderr] warning:       |                                      |
[INFO] [stderr] warning:       |                                      char *
[INFO] [stderr] warning: c/usbd_desc.c:296:21: note: in expansion of macro 'USBD_INTERFACE_STRING_FS'
[INFO] [stderr] warning:   296 |     USBD_GetString (USBD_INTERFACE_STRING_FS, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                     ^~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usb_device.c: In function 'MX_USB_DEVICE_Init':
[INFO] [stderr] warning: c/usb_device.c:64:16: warning: initialization of 'uint8_t *' {aka 'unsigned char *'} from incompatible pointer type 'USBD_HandleTypeDef *' {aka 'struct _USBD_HandleTypeDef *'} [-Wincompatible-pointer-types]
[INFO] [stderr] warning:    64 |   uint8_t *p = &hUsbDeviceFS;
[INFO] [stderr] warning:       |                ^
[INFO] [stderr] warning: c/usb_device.c:64:12: warning: unused variable 'p' [-Wunused-variable]
[INFO] [stderr] warning:    64 |   uint8_t *p = &hUsbDeviceFS;
[INFO] [stderr] warning:       |            ^
[INFO] [stderr]    Compiling bluepill-usbcdc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/bluepill_usbcdc-3500667858bf1ed5.bluepill_usbcdc.97xwvof5-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/bluepill_usbcdc-3500667858bf1ed5.bluepill_usbcdc.97xwvof5-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/bluepill_usbcdc-3500667858bf1ed5.bluepill_usbcdc.97xwvof5-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/bluepill_usbcdc-3500667858bf1ed5.bluepill_usbcdc.97xwvof5-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/bluepill_usbcdc-3500667858bf1ed5.bluepill_usbcdc.97xwvof5-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/bluepill_usbcdc-3500667858bf1ed5.bluepill_usbcdc.97xwvof5-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/bluepill_usbcdc-3500667858bf1ed5.bluepill_usbcdc.97xwvof5-cgu.6.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/bluepill_usbcdc-3500667858bf1ed5" "/opt/rustwide/target/debug/deps/bluepill_usbcdc-3500667858bf1ed5.oxsqkt3kwgrldwx.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/bluepill-usbcdc-74b3e675b321233e/out" "-L" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "-Wl,--whole-archive" "-lusbcdc.a" "-Wl,--no-whole-archive" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-1a99bd050f5bcac9.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-c3c443d72de8b429.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-8b34c4c4a224fb59.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-b247e4f3706e4767.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-45a697d9a5a880a0.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-f14aca24435a5414.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-48d342a8b48d1d01.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-14bc0820888c8eb3.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9cbd9e217bff06bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-31826136df98934e.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-075976a117c8fd5d.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2d5cbedfbf17a011.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0474372ff08c5319.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d437c34460d2315a.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-fb61ed1b8cc4de79.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bf76d1b643bfc9f0.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a1b53aa7fddcf418.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-28585e57fac45c73.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-64801769bc15ab28.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-541997b56bb98660.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cdea3c81adab3d12.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-cd9f15a39fb65cbc.rlib" "-Wl,-Bdynamic" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: skipping incompatible /opt/rustwide/target/debug/build/bluepill-usbcdc-74b3e675b321233e/out/libusbcdc.a.a when searching for -lusbcdc.a
[INFO] [stdout]           /usr/bin/ld: cannot find -lusbcdc.a
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: c/main.c: In function '_Error_Handler':
[INFO] [stderr] warning: c/main.c:9:28: warning: unused parameter 'file' [-Wunused-parameter]
[INFO] [stderr] warning:     9 | void _Error_Handler(char * file, int line)
[INFO] [stderr] warning:       |                     ~~~~~~~^~~~
[INFO] [stderr] warning: c/main.c:9:38: warning: unused parameter 'line' [-Wunused-parameter]
[INFO] [stderr] warning:     9 | void _Error_Handler(char * file, int line)
[INFO] [stderr] warning:       |                                  ~~~~^~~~
[INFO] [stderr] warning: c/main.c: In function '_Error_Handler':
[INFO] [stderr] warning: c/main.c:9:28: warning: unused parameter 'file' [-Wunused-parameter]
[INFO] [stderr] warning:     9 | void _Error_Handler(char * file, int line)
[INFO] [stderr] warning:       |                     ~~~~~~~^~~~
[INFO] [stderr] warning: c/main.c:9:38: warning: unused parameter 'line' [-Wunused-parameter]
[INFO] [stderr] warning:     9 | void _Error_Handler(char * file, int line)
[INFO] [stderr] warning:       |                                  ~~~~^~~~
[INFO] [stderr] warning: c/usbd_cdc.c: In function 'USBD_CDC_Init':
[INFO] [stderr] warning: c/usbd_cdc.c:476:40: warning: unused parameter 'cfgidx' [-Wunused-parameter]
[INFO] [stderr] warning:   476 |                                uint8_t cfgidx)
[INFO] [stderr] warning:       |                                ~~~~~~~~^~~~~~
[INFO] [stderr] warning: c/usbd_cdc.c: In function 'USBD_CDC_DeInit':
[INFO] [stderr] warning: c/usbd_cdc.c:564:42: warning: unused parameter 'cfgidx' [-Wunused-parameter]
[INFO] [stderr] warning:   564 |                                  uint8_t cfgidx)
[INFO] [stderr] warning:       |                                  ~~~~~~~~^~~~~~
[INFO] [stderr] warning: c/usbd_cdc.c: In function 'USBD_CDC_DataIn':
[INFO] [stderr] warning: c/usbd_cdc.c:664:68: warning: unused parameter 'epnum' [-Wunused-parameter]
[INFO] [stderr] warning:   664 | static uint8_t  USBD_CDC_DataIn (USBD_HandleTypeDef *pdev, uint8_t epnum)
[INFO] [stderr] warning:       |                                                            ~~~~~~~~^~~~~
[INFO] [stderr] warning: c/usbd_cdc_if.c: In function 'CDC_Control_FS':
[INFO] [stderr] warning: c/usbd_cdc_if.c:185:54: warning: unused parameter 'pbuf' [-Wunused-parameter]
[INFO] [stderr] warning:   185 | static int8_t CDC_Control_FS  (uint8_t cmd, uint8_t* pbuf, uint16_t length)
[INFO] [stderr] warning:       |                                             ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_cdc_if.c:185:69: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning:   185 | static int8_t CDC_Control_FS  (uint8_t cmd, uint8_t* pbuf, uint16_t length)
[INFO] [stderr] warning:       |                                                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: c/usbd_conf.c: In function 'USBD_static_malloc':
[INFO] [stderr] warning: c/usbd_conf.c:717:35: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning:   717 | void *USBD_static_malloc(uint32_t size)
[INFO] [stderr] warning:       |                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_conf.c: In function 'USBD_static_free':
[INFO] [stderr] warning: c/usbd_conf.c:728:29: warning: unused parameter 'p' [-Wunused-parameter]
[INFO] [stderr] warning:   728 | void USBD_static_free(void *p)
[INFO] [stderr] warning:       |                       ~~~~~~^
[INFO] [stderr] warning: c/usbd_conf.c: In function 'HAL_PCDEx_SetConnectionState':
[INFO] [stderr] warning: c/usbd_conf.c:739:54: warning: unused parameter 'hpcd' [-Wunused-parameter]
[INFO] [stderr] warning:   739 | void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state)
[INFO] [stderr] warning:       |                                   ~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_core.c: In function 'USBD_RunTestMode':
[INFO] [stderr] warning: c/usbd_core.c:213:60: warning: unused parameter 'pdev' [-Wunused-parameter]
[INFO] [stderr] warning:   213 | USBD_StatusTypeDef  USBD_RunTestMode (USBD_HandleTypeDef  *pdev)
[INFO] [stderr] warning:       |                                       ~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_core.c: In function 'USBD_LL_IsoINIncomplete':
[INFO] [stderr] warning: c/usbd_core.c:509:65: warning: unused parameter 'pdev' [-Wunused-parameter]
[INFO] [stderr] warning:   509 | USBD_StatusTypeDef USBD_LL_IsoINIncomplete(USBD_HandleTypeDef  *pdev, uint8_t epnum)
[INFO] [stderr] warning:       |                                            ~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_core.c:509:79: warning: unused parameter 'epnum' [-Wunused-parameter]
[INFO] [stderr] warning:   509 | USBD_StatusTypeDef USBD_LL_IsoINIncomplete(USBD_HandleTypeDef  *pdev, uint8_t epnum)
[INFO] [stderr] warning:       |                                                                       ~~~~~~~~^~~~~
[INFO] [stderr] warning: c/usbd_core.c: In function 'USBD_LL_IsoOUTIncomplete':
[INFO] [stderr] warning: c/usbd_core.c:520:66: warning: unused parameter 'pdev' [-Wunused-parameter]
[INFO] [stderr] warning:   520 | USBD_StatusTypeDef USBD_LL_IsoOUTIncomplete(USBD_HandleTypeDef  *pdev, uint8_t epnum)
[INFO] [stderr] warning:       |                                             ~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_core.c:520:80: warning: unused parameter 'epnum' [-Wunused-parameter]
[INFO] [stderr] warning:   520 | USBD_StatusTypeDef USBD_LL_IsoOUTIncomplete(USBD_HandleTypeDef  *pdev, uint8_t epnum)
[INFO] [stderr] warning:       |                                                                        ~~~~~~~~^~~~~
[INFO] [stderr] warning: c/usbd_core.c: In function 'USBD_LL_DevConnected':
[INFO] [stderr] warning: c/usbd_core.c:531:62: warning: unused parameter 'pdev' [-Wunused-parameter]
[INFO] [stderr] warning:   531 | USBD_StatusTypeDef USBD_LL_DevConnected(USBD_HandleTypeDef  *pdev)
[INFO] [stderr] warning:       |                                         ~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_ctlreq.c: In function 'USBD_CtlError':
[INFO] [stderr] warning: c/usbd_ctlreq.c:717:51: warning: unused parameter 'req' [-Wunused-parameter]
[INFO] [stderr] warning:   717 |                             USBD_SetupReqTypedef *req)
[INFO] [stderr] warning:       |                             ~~~~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: c/usbd_desc.c: In function 'USBD_FS_DeviceDescriptor':
[INFO] [stderr] warning: c/usbd_desc.c:189:56: warning: unused parameter 'speed' [-Wunused-parameter]
[INFO] [stderr] warning:   189 | uint8_t *  USBD_FS_DeviceDescriptor( USBD_SpeedTypeDef speed , uint16_t *length)
[INFO] [stderr] warning:       |                                      ~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: c/usbd_desc.c: In function 'USBD_FS_LangIDStrDescriptor':
[INFO] [stderr] warning: c/usbd_desc.c:202:59: warning: unused parameter 'speed' [-Wunused-parameter]
[INFO] [stderr] warning:   202 | uint8_t *  USBD_FS_LangIDStrDescriptor( USBD_SpeedTypeDef speed , uint16_t *length)
[INFO] [stderr] warning:       |                                         ~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: c/usbd_desc.c: In function 'USBD_FS_ProductStrDescriptor':
[INFO] [stderr] warning: c/usbd_desc.c:78:36: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    78 | #define USBD_PRODUCT_STRING_FS     "STM32 Virtual ComPort"
[INFO] [stderr] warning:       |                                    ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning:       |                                    |
[INFO] [stderr] warning:       |                                    char *
[INFO] [stderr] warning: c/usbd_desc.c:219:21: note: in expansion of macro 'USBD_PRODUCT_STRING_FS'
[INFO] [stderr] warning:   219 |     USBD_GetString (USBD_PRODUCT_STRING_FS, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                     ^~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_desc.c:78:36: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    78 | #define USBD_PRODUCT_STRING_FS     "STM32 Virtual ComPort"
[INFO] [stderr] warning:       |                                    ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning:       |                                    |
[INFO] [stderr] warning:       |                                    char *
[INFO] [stderr] warning: c/usbd_desc.c:223:21: note: in expansion of macro 'USBD_PRODUCT_STRING_FS'
[INFO] [stderr] warning:   223 |     USBD_GetString (USBD_PRODUCT_STRING_FS, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                     ^~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_desc.c: In function 'USBD_FS_ManufacturerStrDescriptor':
[INFO] [stderr] warning: c/usbd_desc.c:76:38: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    76 | #define USBD_MANUFACTURER_STRING     "STMicroelectronics"
[INFO] [stderr] warning:       |                                      ^~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning:       |                                      |
[INFO] [stderr] warning:       |                                      char *
[INFO] [stderr] warning: c/usbd_desc.c:237:19: note: in expansion of macro 'USBD_MANUFACTURER_STRING'
[INFO] [stderr] warning:   237 |   USBD_GetString (USBD_MANUFACTURER_STRING, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                   ^~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_desc.c:235:65: warning: unused parameter 'speed' [-Wunused-parameter]
[INFO] [stderr] warning:   235 | uint8_t *  USBD_FS_ManufacturerStrDescriptor( USBD_SpeedTypeDef speed , uint16_t *length)
[INFO] [stderr] warning:       |                                               ~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: c/usbd_desc.c: In function 'USBD_FS_SerialStrDescriptor':
[INFO] [stderr] warning: c/usbd_desc.c:79:41: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    79 | #define USBD_SERIALNUMBER_STRING_FS     "00000000001A"
[INFO] [stderr] warning:       |                                         ^~~~~~~~~~~~~~
[INFO] [stderr] warning:       |                                         |
[INFO] [stderr] warning:       |                                         char *
[INFO] [stderr] warning: c/usbd_desc.c:252:21: note: in expansion of macro 'USBD_SERIALNUMBER_STRING_FS'
[INFO] [stderr] warning:   252 |     USBD_GetString (USBD_SERIALNUMBER_STRING_FS, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_desc.c:79:41: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    79 | #define USBD_SERIALNUMBER_STRING_FS     "00000000001A"
[INFO] [stderr] warning:       |                                         ^~~~~~~~~~~~~~
[INFO] [stderr] warning:       |                                         |
[INFO] [stderr] warning:       |                                         char *
[INFO] [stderr] warning: c/usbd_desc.c:256:21: note: in expansion of macro 'USBD_SERIALNUMBER_STRING_FS'
[INFO] [stderr] warning:   256 |     USBD_GetString (USBD_SERIALNUMBER_STRING_FS, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_desc.c: In function 'USBD_FS_ConfigStrDescriptor':
[INFO] [stderr] warning: c/usbd_desc.c:80:42: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    80 | #define USBD_CONFIGURATION_STRING_FS     "CDC Config"
[INFO] [stderr] warning:       |                                          ^~~~~~~~~~~~
[INFO] [stderr] warning:       |                                          |
[INFO] [stderr] warning:       |                                          char *
[INFO] [stderr] warning: c/usbd_desc.c:272:21: note: in expansion of macro 'USBD_CONFIGURATION_STRING_FS'
[INFO] [stderr] warning:   272 |     USBD_GetString (USBD_CONFIGURATION_STRING_FS, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_desc.c:80:42: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    80 | #define USBD_CONFIGURATION_STRING_FS     "CDC Config"
[INFO] [stderr] warning:       |                                          ^~~~~~~~~~~~
[INFO] [stderr] warning:       |                                          |
[INFO] [stderr] warning:       |                                          char *
[INFO] [stderr] warning: c/usbd_desc.c:276:21: note: in expansion of macro 'USBD_CONFIGURATION_STRING_FS'
[INFO] [stderr] warning:   276 |     USBD_GetString (USBD_CONFIGURATION_STRING_FS, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_desc.c: In function 'USBD_FS_InterfaceStrDescriptor':
[INFO] [stderr] warning: c/usbd_desc.c:81:38: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    81 | #define USBD_INTERFACE_STRING_FS     "CDC Interface"
[INFO] [stderr] warning:       |                                      ^~~~~~~~~~~~~~~
[INFO] [stderr] warning:       |                                      |
[INFO] [stderr] warning:       |                                      char *
[INFO] [stderr] warning: c/usbd_desc.c:292:21: note: in expansion of macro 'USBD_INTERFACE_STRING_FS'
[INFO] [stderr] warning:   292 |     USBD_GetString (USBD_INTERFACE_STRING_FS, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                     ^~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usbd_desc.c:81:38: warning: pointer targets in passing argument 1 of 'USBD_GetString' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    81 | #define USBD_INTERFACE_STRING_FS     "CDC Interface"
[INFO] [stderr] warning:       |                                      ^~~~~~~~~~~~~~~
[INFO] [stderr] warning:       |                                      |
[INFO] [stderr] warning:       |                                      char *
[INFO] [stderr] warning: c/usbd_desc.c:296:21: note: in expansion of macro 'USBD_INTERFACE_STRING_FS'
[INFO] [stderr] warning:   296 |     USBD_GetString (USBD_INTERFACE_STRING_FS, USBD_StrDesc, length);
[INFO] [stderr] warning:       |                     ^~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: In file included from c/usbd_core.h:40,
[INFO] [stderr] warning:                  from c/usbd_desc.c:51:
[INFO] [stderr] warning: c/usbd_ctlreq.h:93:39: note: expected 'uint8_t *' {aka 'unsigned char *'} but argument is of type 'char *'
[INFO] [stderr] warning:    93 | void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
[INFO] [stderr] warning:       |                              ~~~~~~~~~^~~~
[INFO] [stderr] warning: c/usb_device.c: In function 'MX_USB_DEVICE_Init':
[INFO] [stderr] warning: c/usb_device.c:64:16: warning: initialization of 'uint8_t *' {aka 'unsigned char *'} from incompatible pointer type 'USBD_HandleTypeDef *' {aka 'struct _USBD_HandleTypeDef *'} [-Wincompatible-pointer-types]
[INFO] [stderr] warning:    64 |   uint8_t *p = &hUsbDeviceFS;
[INFO] [stderr] warning:       |                ^
[INFO] [stderr] warning: c/usb_device.c:64:12: warning: unused variable 'p' [-Wunused-variable]
[INFO] [stderr] warning:    64 |   uint8_t *p = &hUsbDeviceFS;
[INFO] [stderr] warning:       |            ^
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `bluepill-usbcdc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a73e69a6106036acdd6929749365cca13feff0be8d38bb4c9c969d59176199f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a73e69a6106036acdd6929749365cca13feff0be8d38bb4c9c969d59176199f4", kill_on_drop: false }`
[INFO] [stdout] a73e69a6106036acdd6929749365cca13feff0be8d38bb4c9c969d59176199f4
