[INFO] cloning repository https://github.com/sunsagong/rust-quizz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sunsagong/rust-quizz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunsagong%2Frust-quizz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunsagong%2Frust-quizz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c863b618c190b2bb81df2b875b50f1db2fe1e29a
[INFO] testing sunsagong/rust-quizz against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunsagong%2Frust-quizz" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sunsagong/rust-quizz on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sunsagong/rust-quizz
[INFO] finished tweaking git repo https://github.com/sunsagong/rust-quizz
[INFO] tweaked toml for git repo https://github.com/sunsagong/rust-quizz written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/sunsagong/rust-quizz already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c_string v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9c9a091c1b2faeec1c185b010d2a54da07fc448f9345f3c12eeb6cd882dcfd60
[INFO] running `Command { std: "docker" "start" "-a" "9c9a091c1b2faeec1c185b010d2a54da07fc448f9345f3c12eeb6cd882dcfd60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c9a091c1b2faeec1c185b010d2a54da07fc448f9345f3c12eeb6cd882dcfd60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c9a091c1b2faeec1c185b010d2a54da07fc448f9345f3c12eeb6cd882dcfd60", kill_on_drop: false }`
[INFO] [stdout] 9c9a091c1b2faeec1c185b010d2a54da07fc448f9345f3c12eeb6cd882dcfd60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-10-09" "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] 04fe78552927d7e094d77a450fd4f642f356bc738df4fbf7aa46c3ff8d4c527f
[INFO] running `Command { std: "docker" "start" "-a" "04fe78552927d7e094d77a450fd4f642f356bc738df4fbf7aa46c3ff8d4c527f", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling c_string v0.7.0
[INFO] [stderr]    Compiling uncode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: src/c/server.c:32:1: error: version control conflict marker in file
[INFO] [stderr] warning:    32 | <<<<<<< HEAD
[INFO] [stderr] warning:       | ^~~~~~~
[INFO] [stderr] warning: src/c/server.c: In function 'response_set_status':
[INFO] [stderr] warning: src/c/server.c:37:1: error: version control conflict marker in file
[INFO] [stderr] warning:    37 | =======
[INFO] [stderr] warning:       | ^~~~~~~
[INFO] [stderr] warning: src/c/server.c:39:8: warning: unused variable 'response_body' [-Wunused-variable]
[INFO] [stderr] warning:    39 |  char* response_body;
[INFO] [stderr] warning:       |        ^~~~~~~~~~~~~
[INFO] [stderr] warning: src/c/server.c:36:36: warning: unused parameter 'response' [-Wunused-parameter]
[INFO] [stderr] warning:    36 | void response_set_status(Response* response, int status) {
[INFO] [stderr] warning:       |                          ~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: src/c/server.c:36:50: warning: unused parameter 'status' [-Wunused-parameter]
[INFO] [stderr] warning:    36 | void response_set_status(Response* response, int status) {
[INFO] [stderr] warning:       |                                              ~~~~^~~~~~
[INFO] [stderr] warning: src/c/server.c: At top level:
[INFO] [stderr] warning: src/c/server.c:40:1: warning: useless type name in empty declaration
[INFO] [stderr] warning:    40 | } Response;
[INFO] [stderr] warning:       | ^
[INFO] [stderr] warning: src/c/server.c:41:6: error: conflicting types for 'response_set_status'
[INFO] [stderr] warning:    41 | void response_set_status(Response* response, char status) {
[INFO] [stderr] warning:       |      ^~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: src/c/server.c:36:6: note: previous definition of 'response_set_status' was here
[INFO] [stderr] warning:    36 | void response_set_status(Response* response, int status) {
[INFO] [stderr] warning:       |      ^~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: src/c/server.c: In function 'response_set_status':
[INFO] [stderr] warning: src/c/server.c:42:1: error: version control conflict marker in file
[INFO] [stderr] warning:    42 | >>>>>>> origin/master
[INFO] [stderr] warning:       | ^~~~~~~
[INFO] [stderr] warning: src/c/server.c:41:36: warning: unused parameter 'response' [-Wunused-parameter]
[INFO] [stderr] warning:    41 | void response_set_status(Response* response, char status) {
[INFO] [stderr] warning:       |                          ~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: src/c/server.c:41:51: warning: unused parameter 'status' [-Wunused-parameter]
[INFO] [stderr] warning:    41 | void response_set_status(Response* response, char status) {
[INFO] [stderr] warning:       |                                              ~~~~~^~~~~~
[INFO] [stderr] warning: src/c/server.c: In function 'response_set_response_body':
[INFO] [stderr] warning: src/c/server.c:46:13: error: 'Response' {aka 'struct _Response'} has no member named 'response_body'
[INFO] [stderr] warning:    46 |     response->response_body = body;
[INFO] [stderr] warning:       |             ^~
[INFO] [stderr] warning: src/c/server.c: In function 'context_set_callback':
[INFO] [stderr] warning: src/c/server.c:60:23: warning: assignment to 'RequestCallback' {aka 'int (*)(struct _Request *, struct _Response *)'} from incompatible pointer type 'int (**)(Request *, Response *)' {aka 'int (**)(struct _Request *, struct _Response *)'} [-Wincompatible-pointer-types]
[INFO] [stderr] warning:    60 |     context->callback = callback;
[INFO] [stderr] warning:       |                       ^
[INFO] [stderr] warning: src/c/server.c: In function 'serve':
[INFO] [stderr] warning: src/c/server.c:86:51: warning: pointer targets in passing argument 3 of 'accept' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    86 |   int cs = accept(ss, (struct sockaddr *)&client, &len);
[INFO] [stderr] warning:       |                                                   ^~~~
[INFO] [stderr] warning:       |                                                   |
[INFO] [stderr] warning:       |                                                   int *
[INFO] [stderr] warning: In file included from src/c/server.c:5:
[INFO] [stderr] warning: /usr/include/x86_64-linux-gnu/sys/socket.h:233:28: note: expected 'socklen_t * restrict' {aka 'unsigned int * restrict'} but argument is of type 'int *'
[INFO] [stderr] warning:   233 |      socklen_t *__restrict __addr_len);
[INFO] [stderr] warning:       |      ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: src/c/server.c:91:17: error: 'Response' {aka 'struct _Response'} has no member named 'status'
[INFO] [stderr] warning:    91 |         response.status = 200;
[INFO] [stderr] warning:       |                 ^
[INFO] [stderr] warning: src/c/server.c:92:1: error: version control conflict marker in file
[INFO] [stderr] warning:    92 | <<<<<<< HEAD
[INFO] [stderr] warning:       | ^~~~~~~
[INFO] [stderr] warning: src/c/server.c:94:1: error: version control conflict marker in file
[INFO] [stderr] warning:    94 | =======
[INFO] [stderr] warning:       | ^~~~~~~
[INFO] [stderr] warning: src/c/server.c:96:1: error: version control conflict marker in file
[INFO] [stderr] warning:    96 | >>>>>>> origin/master
[INFO] [stderr] warning:       | ^~~~~~~
[INFO] [stderr] warning: src/c/server.c:133:55: error: 'Response' {aka 'struct _Response'} has no member named 'status'
[INFO] [stderr] warning:   133 |         sprintf(status, "HTTP/1.0 %d OK\r\n", response.status);
[INFO] [stderr] warning:       |                                                       ^
[INFO] [stderr] warning: src/c/server.c:134:9: warning: implicit declaration of function 'send_msg'; did you mean 'sendmsg'? [-Wimplicit-function-declaration]
[INFO] [stderr] warning:   134 |         send_msg(cs, status);
[INFO] [stderr] warning:       |         ^~~~~~~~
[INFO] [stderr] warning:       |         sendmsg
[INFO] [stderr] warning: src/c/server.c:137:24: error: 'Response' {aka 'struct _Response'} has no member named 'response_body'
[INFO] [stderr] warning:   137 |   send_msg(cs, response.response_body);
[INFO] [stderr] warning:       |                        ^
[INFO] [stderr] warning: src/c/server.c:90:18: warning: variable 'response' set but not used [-Wunused-but-set-variable]
[INFO] [stderr] warning:    90 |         Response response;
[INFO] [stderr] warning:       |                  ^~~~~~~~
[INFO] [stderr] warning: src/c/server.c:83:8: warning: unused variable 'buf' [-Wunused-variable]
[INFO] [stderr] warning:    83 |   char buf[1024];
[INFO] [stderr] warning:       |        ^~~
[INFO] [stderr] warning: src/c/server.c:82:13: warning: unused variable 'ret' [-Wunused-variable]
[INFO] [stderr] warning:    82 |         int ret;
[INFO] [stderr] warning:       |             ^~~
[INFO] [stderr] warning: src/c/server.c:80:8: warning: unused variable 'path' [-Wunused-variable]
[INFO] [stderr] warning:    80 |   char path[128];
[INFO] [stderr] warning:       |        ^~~~
[INFO] [stderr] warning: src/c/server.c:64:20: warning: unused parameter 'context' [-Wunused-parameter]
[INFO] [stderr] warning:    64 | int serve(Context* context)
[INFO] [stderr] warning:       |           ~~~~~~~~~^~~~~~~
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `uncode v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/uncode-da6f2355485698e2/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   OPT_LEVEL = Some("0")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CC = None
[INFO] [stderr]   CC = None
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CFLAGS = None
[INFO] [stderr]   CFLAGS = None
[INFO] [stderr]   DEBUG = Some("true")
[INFO] [stderr]   running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "src" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/debug/build/uncode-6734e9a3f6593c63/out/src/c/server.o" "-c" "src/c/server.c"
[INFO] [stderr]   cargo:warning=src/c/server.c:32:1: error: version control conflict marker in file
[INFO] [stderr]   cargo:warning=   32 | <<<<<<< HEAD
[INFO] [stderr]   cargo:warning=      | ^~~~~~~
[INFO] [stderr]   cargo:warning=src/c/server.c: In function 'response_set_status':
[INFO] [stderr]   cargo:warning=src/c/server.c:37:1: error: version control conflict marker in file
[INFO] [stderr]   cargo:warning=   37 | =======
[INFO] [stderr]   cargo:warning=      | ^~~~~~~
[INFO] [stderr]   cargo:warning=src/c/server.c:39:8: warning: unused variable 'response_body' [-Wunused-variable]
[INFO] [stderr]   cargo:warning=   39 |  char* response_body;
[INFO] [stderr]   cargo:warning=      |        ^~~~~~~~~~~~~
[INFO] [stderr]   cargo:warning=src/c/server.c:36:36: warning: unused parameter 'response' [-Wunused-parameter]
[INFO] [stderr]   cargo:warning=   36 | void response_set_status(Response* response, int status) {
[INFO] [stderr]   cargo:warning=      |                          ~~~~~~~~~~^~~~~~~~
[INFO] [stderr]   cargo:warning=src/c/server.c:36:50: warning: unused parameter 'status' [-Wunused-parameter]
[INFO] [stderr]   cargo:warning=   36 | void response_set_status(Response* response, int status) {
[INFO] [stderr]   cargo:warning=      |                                              ~~~~^~~~~~
[INFO] [stderr]   cargo:warning=src/c/server.c: At top level:
[INFO] [stderr]   cargo:warning=src/c/server.c:40:1: warning: useless type name in empty declaration
[INFO] [stderr]   cargo:warning=   40 | } Response;
[INFO] [stderr]   cargo:warning=      | ^
[INFO] [stderr]   cargo:warning=src/c/server.c:41:6: error: conflicting types for 'response_set_status'
[INFO] [stderr]   cargo:warning=   41 | void response_set_status(Response* response, char status) {
[INFO] [stderr]   cargo:warning=      |      ^~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   cargo:warning=src/c/server.c:36:6: note: previous definition of 'response_set_status' was here
[INFO] [stderr]   cargo:warning=   36 | void response_set_status(Response* response, int status) {
[INFO] [stderr]   cargo:warning=      |      ^~~~~~~~~~~~~~~~~~~
[INFO] [stderr]   cargo:warning=src/c/server.c: In function 'response_set_status':
[INFO] [stderr]   cargo:warning=src/c/server.c:42:1: error: version control conflict marker in file
[INFO] [stderr]   cargo:warning=   42 | >>>>>>> origin/master
[INFO] [stderr]   cargo:warning=      | ^~~~~~~
[INFO] [stderr]   cargo:warning=src/c/server.c:41:36: warning: unused parameter 'response' [-Wunused-parameter]
[INFO] [stderr]   cargo:warning=   41 | void response_set_status(Response* response, char status) {
[INFO] [stderr]   cargo:warning=      |                          ~~~~~~~~~~^~~~~~~~
[INFO] [stderr]   cargo:warning=src/c/server.c:41:51: warning: unused parameter 'status' [-Wunused-parameter]
[INFO] [stderr]   cargo:warning=   41 | void response_set_status(Response* response, char status) {
[INFO] [stderr]   cargo:warning=      |                                              ~~~~~^~~~~~
[INFO] [stderr]   cargo:warning=src/c/server.c: In function 'response_set_response_body':
[INFO] [stderr]   cargo:warning=src/c/server.c:46:13: error: 'Response' {aka 'struct _Response'} has no member named 'response_body'
[INFO] [stderr]   cargo:warning=   46 |     response->response_body = body;
[INFO] [stderr]   cargo:warning=      |             ^~
[INFO] [stderr]   cargo:warning=src/c/server.c: In function 'context_set_callback':
[INFO] [stderr]   cargo:warning=src/c/server.c:60:23: warning: assignment to 'RequestCallback' {aka 'int (*)(struct _Request *, struct _Response *)'} from incompatible pointer type 'int (**)(Request *, Response *)' {aka 'int (**)(struct _Request *, struct _Response *)'} [-Wincompatible-pointer-types]
[INFO] [stderr]   cargo:warning=   60 |     context->callback = callback;
[INFO] [stderr]   cargo:warning=      |                       ^
[INFO] [stderr]   cargo:warning=src/c/server.c: In function 'serve':
[INFO] [stderr]   cargo:warning=src/c/server.c:86:51: warning: pointer targets in passing argument 3 of 'accept' differ in signedness [-Wpointer-sign]
[INFO] [stderr]   cargo:warning=   86 |   int cs = accept(ss, (struct sockaddr *)&client, &len);
[INFO] [stderr]   cargo:warning=      |                                                   ^~~~
[INFO] [stderr]   cargo:warning=      |                                                   |
[INFO] [stderr]   cargo:warning=      |                                                   int *
[INFO] [stderr]   cargo:warning=In file included from src/c/server.c:5:
[INFO] [stderr]   cargo:warning=/usr/include/x86_64-linux-gnu/sys/socket.h:233:28: note: expected 'socklen_t * restrict' {aka 'unsigned int * restrict'} but argument is of type 'int *'
[INFO] [stderr]   cargo:warning=  233 |      socklen_t *__restrict __addr_len);
[INFO] [stderr]   cargo:warning=      |      ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr]   cargo:warning=src/c/server.c:91:17: error: 'Response' {aka 'struct _Response'} has no member named 'status'
[INFO] [stderr]   cargo:warning=   91 |         response.status = 200;
[INFO] [stderr]   cargo:warning=      |                 ^
[INFO] [stderr]   cargo:warning=src/c/server.c:92:1: error: version control conflict marker in file
[INFO] [stderr]   cargo:warning=   92 | <<<<<<< HEAD
[INFO] [stderr]   cargo:warning=      | ^~~~~~~
[INFO] [stderr]   cargo:warning=src/c/server.c:94:1: error: version control conflict marker in file
[INFO] [stderr]   cargo:warning=   94 | =======
[INFO] [stderr]   cargo:warning=      | ^~~~~~~
[INFO] [stderr]   cargo:warning=src/c/server.c:96:1: error: version control conflict marker in file
[INFO] [stderr]   cargo:warning=   96 | >>>>>>> origin/master
[INFO] [stderr]   cargo:warning=      | ^~~~~~~
[INFO] [stderr]   cargo:warning=src/c/server.c:133:55: error: 'Response' {aka 'struct _Response'} has no member named 'status'
[INFO] [stderr]   cargo:warning=  133 |         sprintf(status, "HTTP/1.0 %d OK\r\n", response.status);
[INFO] [stderr]   cargo:warning=      |                                                       ^
[INFO] [stderr]   cargo:warning=src/c/server.c:134:9: warning: implicit declaration of function 'send_msg'; did you mean 'sendmsg'? [-Wimplicit-function-declaration]
[INFO] [stderr]   cargo:warning=  134 |         send_msg(cs, status);
[INFO] [stderr]   cargo:warning=      |         ^~~~~~~~
[INFO] [stderr]   cargo:warning=      |         sendmsg
[INFO] [stderr]   cargo:warning=src/c/server.c:137:24: error: 'Response' {aka 'struct _Response'} has no member named 'response_body'
[INFO] [stderr]   cargo:warning=  137 |   send_msg(cs, response.response_body);
[INFO] [stderr]   cargo:warning=      |                        ^
[INFO] [stderr]   cargo:warning=src/c/server.c:90:18: warning: variable 'response' set but not used [-Wunused-but-set-variable]
[INFO] [stderr]   cargo:warning=   90 |         Response response;
[INFO] [stderr]   cargo:warning=      |                  ^~~~~~~~
[INFO] [stderr]   cargo:warning=src/c/server.c:83:8: warning: unused variable 'buf' [-Wunused-variable]
[INFO] [stderr]   cargo:warning=   83 |   char buf[1024];
[INFO] [stderr]   cargo:warning=      |        ^~~
[INFO] [stderr]   cargo:warning=src/c/server.c:82:13: warning: unused variable 'ret' [-Wunused-variable]
[INFO] [stderr]   cargo:warning=   82 |         int ret;
[INFO] [stderr]   cargo:warning=      |             ^~~
[INFO] [stderr]   cargo:warning=src/c/server.c:80:8: warning: unused variable 'path' [-Wunused-variable]
[INFO] [stderr]   cargo:warning=   80 |   char path[128];
[INFO] [stderr]   cargo:warning=      |        ^~~~
[INFO] [stderr]   cargo:warning=src/c/server.c:64:20: warning: unused parameter 'context' [-Wunused-parameter]
[INFO] [stderr]   cargo:warning=   64 | int serve(Context* context)
[INFO] [stderr]   cargo:warning=      |           ~~~~~~~~~^~~~~~~
[INFO] [stderr]   exit code: 1
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at '
[INFO] [stderr] 
[INFO] [stderr]   Internal error occurred: Command "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "src" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/debug/build/uncode-6734e9a3f6593c63/out/src/c/server.o" "-c" "src/c/server.c" with args "cc" did not execute successfully (status code exit code: 1).
[INFO] [stderr] 
[INFO] [stderr]   ', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.54/src/lib.rs:1670:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5652cb23fdd0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x5652cb23fdd0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x5652cb23fdd0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x5652cb23fdd0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x5652cb25e98c - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x5652cb23c282 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]      6:     0x5652cb2422bd - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x5652cb2422bd - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x5652cb2422bd - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x5652cb241f68 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x5652cb242941 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x5652cb2424e9 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stderr]     12:     0x5652cb24025c - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x5652cb2424a9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stderr]     14:     0x5652cb24245b - std::panicking::begin_panic_fmt::hef75366dd3a9de61
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:437
[INFO] [stderr]     15:     0x5652cb1ff894 - gcc::fail::hc0ab65f36e15eef8
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.54/src/lib.rs:1670
[INFO] [stderr]     16:     0x5652cb1f168e - gcc::Build::compile::h253e4ac77f625b8e
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.54/src/lib.rs:783
[INFO] [stderr]     17:     0x5652cb1ed208 - build_script_build::main::h6be75ab9faac98c8
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:4
[INFO] [stderr]     18:     0x5652cb1ed2db - core::ops::function::FnOnce::call_once::h0ec7a3a7906e866d
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]     19:     0x5652cb1ed33e - std::sys_common::backtrace::__rust_begin_short_backtrace::h174b9f07375b7a27
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     20:     0x5652cb1ed481 - std::rt::lang_start::{{closure}}::hc9468bc0c8af90a7
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:66
[INFO] [stderr]     21:     0x5652cb242d67 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h908982dfc31b926f
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:259
[INFO] [stderr]     22:     0x5652cb242d67 - std::panicking::try::do_call::h92777899503b7584
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stderr]     23:     0x5652cb242d67 - std::panicking::try::h8815656b2b76e792
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stderr]     24:     0x5652cb242d67 - std::panic::catch_unwind::h112ab81228f50b46
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stderr]     25:     0x5652cb242d67 - std::rt::lang_start_internal::h1772a706c7575c24
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:51
[INFO] [stderr]     26:     0x5652cb1ed457 - std::rt::lang_start::h492368cb8060ff89
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:65
[INFO] [stderr]     27:     0x5652cb1ed25a - main
[INFO] [stderr]     28:     0x7f50ad5b00b3 - __libc_start_main
[INFO] [stderr]     29:     0x5652cb1ed0be - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "04fe78552927d7e094d77a450fd4f642f356bc738df4fbf7aa46c3ff8d4c527f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04fe78552927d7e094d77a450fd4f642f356bc738df4fbf7aa46c3ff8d4c527f", kill_on_drop: false }`
[INFO] [stdout] 04fe78552927d7e094d77a450fd4f642f356bc738df4fbf7aa46c3ff8d4c527f
