[INFO] updating cached repository coder543/rust-c-ffi-test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/coder543/rust-c-ffi-test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/coder543/rust-c-ffi-test" "work/ex/beta-1.38-1/sources/1.37.0/gh/coder543/rust-c-ffi-test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/coder543/rust-c-ffi-test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/coder543/rust-c-ffi-test" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/coder543/rust-c-ffi-test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/coder543/rust-c-ffi-test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 39cf33dbf7ff2f62addd73a10d847bdc250863fe
[INFO] sha for GitHub repo coder543/rust-c-ffi-test: 39cf33dbf7ff2f62addd73a10d847bdc250863fe
[INFO] validating manifest of coder543/rust-c-ffi-test on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of coder543/rust-c-ffi-test on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing coder543/rust-c-ffi-test
[INFO] finished frobbing coder543/rust-c-ffi-test
[INFO] frobbed toml for coder543/rust-c-ffi-test written to work/ex/beta-1.38-1/sources/1.37.0/gh/coder543/rust-c-ffi-test/Cargo.toml
[INFO] started frobbing coder543/rust-c-ffi-test
[INFO] finished frobbing coder543/rust-c-ffi-test
[INFO] frobbed toml for coder543/rust-c-ffi-test written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/coder543/rust-c-ffi-test/Cargo.toml
[INFO] crate coder543/rust-c-ffi-test already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/coder543/rust-c-ffi-test/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing coder543/rust-c-ffi-test against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/coder543/rust-c-ffi-test:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ce9ac2b774d0bfbc8bda3c4dadbf97bcfd47cd6ca610da47caad377303fa02d5
[INFO] running `"docker" "start" "-a" "ce9ac2b774d0bfbc8bda3c4dadbf97bcfd47cd6ca610da47caad377303fa02d5"`
[INFO] [stderr]    Compiling rust-c-ffi-test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'gcc::compile_library': crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stderr]  --> build.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     gcc::compile_library("libtest.a", &["src/test.c"]);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[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 differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:      const char* next = array_of_strings[0];
[INFO] [stderr] warning:                         ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: src/test.c:10:14: warning: pointer targets in assignment differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:          next = array_of_strings[++i];
[INFO] [stderr] warning:               ^
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "ce9ac2b774d0bfbc8bda3c4dadbf97bcfd47cd6ca610da47caad377303fa02d5"`
[INFO] running `"docker" "rm" "-f" "ce9ac2b774d0bfbc8bda3c4dadbf97bcfd47cd6ca610da47caad377303fa02d5"`
[INFO] [stdout] ce9ac2b774d0bfbc8bda3c4dadbf97bcfd47cd6ca610da47caad377303fa02d5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/coder543/rust-c-ffi-test:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] c45235ca769e05701ee558e1cd8611fc829104d3cdfe570d9ccdd053889ff37a
[INFO] running `"docker" "start" "-a" "c45235ca769e05701ee558e1cd8611fc829104d3cdfe570d9ccdd053889ff37a"`
[INFO] [stderr] warning: src/test.c: In function 'print_stuff':
[INFO] [stderr] warning: src/test.c:6:24: warning: pointer targets in initialization differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:      const char* next = array_of_strings[0];
[INFO] [stderr] warning:                         ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: src/test.c:10:14: warning: pointer targets in assignment differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:          next = array_of_strings[++i];
[INFO] [stderr] warning:               ^
[INFO] [stderr]    Compiling rust-c-ffi-test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "c45235ca769e05701ee558e1cd8611fc829104d3cdfe570d9ccdd053889ff37a"`
[INFO] running `"docker" "rm" "-f" "c45235ca769e05701ee558e1cd8611fc829104d3cdfe570d9ccdd053889ff37a"`
[INFO] [stdout] c45235ca769e05701ee558e1cd8611fc829104d3cdfe570d9ccdd053889ff37a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/coder543/rust-c-ffi-test:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 5228ca454ab2e2a0b80aeb817ce6440f090bf5887489ab405685624bc47cebf5
[INFO] running `"docker" "start" "-a" "5228ca454ab2e2a0b80aeb817ce6440f090bf5887489ab405685624bc47cebf5"`
[INFO] [stderr] warning: src/test.c: In function 'print_stuff':
[INFO] [stderr] warning: src/test.c:6:24: warning: pointer targets in initialization differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:      const char* next = array_of_strings[0];
[INFO] [stderr] warning:                         ^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: src/test.c:10:14: warning: pointer targets in assignment differ in signedness [-Wpointer-sign]
[INFO] [stderr] warning:          next = array_of_strings[++i];
[INFO] [stderr] warning:               ^
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_c_ffi_test-cba4a76ea90f3956
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5228ca454ab2e2a0b80aeb817ce6440f090bf5887489ab405685624bc47cebf5"`
[INFO] running `"docker" "rm" "-f" "5228ca454ab2e2a0b80aeb817ce6440f090bf5887489ab405685624bc47cebf5"`
[INFO] [stdout] 5228ca454ab2e2a0b80aeb817ce6440f090bf5887489ab405685624bc47cebf5