[INFO] cloning repository https://github.com/coder543/rust-c-ffi-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coder543/rust-c-ffi-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoder543%2Frust-c-ffi-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoder543%2Frust-c-ffi-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39cf33dbf7ff2f62addd73a10d847bdc250863fe
[INFO] checking coder543/rust-c-ffi-test against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoder543%2Frust-c-ffi-test" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/coder543/rust-c-ffi-test on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/coder543/rust-c-ffi-test
[INFO] finished tweaking git repo https://github.com/coder543/rust-c-ffi-test
[INFO] tweaked toml for git repo https://github.com/coder543/rust-c-ffi-test written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/coder543/rust-c-ffi-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39aae5308b3b597af8338dd0024b3a7b13a4ef3c325f10259ee8b030452dabe9
[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" "39aae5308b3b597af8338dd0024b3a7b13a4ef3c325f10259ee8b030452dabe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39aae5308b3b597af8338dd0024b3a7b13a4ef3c325f10259ee8b030452dabe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39aae5308b3b597af8338dd0024b3a7b13a4ef3c325f10259ee8b030452dabe9", kill_on_drop: false }`
[INFO] [stdout] 39aae5308b3b597af8338dd0024b3a7b13a4ef3c325f10259ee8b030452dabe9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--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] d1a22d2d20a92e53e75095294f55e92cec76b38f355ad398fabc4c4bfcbd0f0d
[INFO] running `Command { std: "docker" "start" "-a" "d1a22d2d20a92e53e75095294f55e92cec76b38f355ad398fabc4c4bfcbd0f0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling rust-c-ffi-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `gcc::compile_library`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]  --> build.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     gcc::compile_library("libtest.a", &["src/test.c"]);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: src/test.c: In function 'print_stuff':
[INFO] [stderr] warning: src/test.c:6:24: warning: pointer targets in initialization of 'const char *' from 'const unsigned char * const' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:     6 |     const char* next = array_of_strings[0];
[INFO] [stderr] warning:       |                        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: src/test.c:10:14: warning: pointer targets in assignment from 'const unsigned char * const' to 'const char *' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    10 |         next = array_of_strings[++i];
[INFO] [stderr] warning:       |              ^
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> src/main.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | / extern {
[INFO] [stdout] 8 | |     fn print_stuff(array_of_strings: *const *const c_uchar);
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^ ABI should be specified here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]   = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> src/main.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | / extern {
[INFO] [stdout] 8 | |     fn print_stuff(array_of_strings: *const *const c_uchar);
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^ ABI should be specified here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]   = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: src/test.c: In function 'print_stuff':
[INFO] [stderr] warning: src/test.c:6:24: warning: pointer targets in initialization of 'const char *' from 'const unsigned char * const' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:     6 |     const char* next = array_of_strings[0];
[INFO] [stderr] warning:       |                        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: src/test.c:10:14: warning: pointer targets in assignment from 'const unsigned char * const' to 'const char *' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    10 |         next = array_of_strings[++i];
[INFO] [stderr] warning:       |              ^
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `rust-c-ffi-test`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: src/test.c: In function 'print_stuff':
[INFO] [stderr] warning: src/test.c:6:24: warning: pointer targets in initialization of 'const char *' from 'const unsigned char * const' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:     6 |     const char* next = array_of_strings[0];
[INFO] [stderr] warning:       |                        ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: src/test.c:10:14: warning: pointer targets in assignment from 'const unsigned char * const' to 'const char *' differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:    10 |         next = array_of_strings[++i];
[INFO] [stderr] warning:       |              ^
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d1a22d2d20a92e53e75095294f55e92cec76b38f355ad398fabc4c4bfcbd0f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1a22d2d20a92e53e75095294f55e92cec76b38f355ad398fabc4c4bfcbd0f0d", kill_on_drop: false }`
[INFO] [stdout] d1a22d2d20a92e53e75095294f55e92cec76b38f355ad398fabc4c4bfcbd0f0d