[INFO] updating cached repository segfo/rust_c_ffi_sample
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/segfo/rust_c_ffi_sample
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/segfo/rust_c_ffi_sample" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/segfo/rust_c_ffi_sample"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/segfo/rust_c_ffi_sample'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/segfo/rust_c_ffi_sample" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/segfo/rust_c_ffi_sample"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/segfo/rust_c_ffi_sample'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bf59224db56640a2f9e46880dfc2c833dcb023f6
[INFO] sha for GitHub repo segfo/rust_c_ffi_sample: bf59224db56640a2f9e46880dfc2c833dcb023f6
[INFO] validating manifest of segfo/rust_c_ffi_sample on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of segfo/rust_c_ffi_sample on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing segfo/rust_c_ffi_sample
[INFO] finished frobbing segfo/rust_c_ffi_sample
[INFO] frobbed toml for segfo/rust_c_ffi_sample written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/segfo/rust_c_ffi_sample/Cargo.toml
[INFO] started frobbing segfo/rust_c_ffi_sample
[INFO] finished frobbing segfo/rust_c_ffi_sample
[INFO] frobbed toml for segfo/rust_c_ffi_sample written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/segfo/rust_c_ffi_sample/Cargo.toml
[INFO] crate segfo/rust_c_ffi_sample has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing segfo/rust_c_ffi_sample against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/segfo/rust_c_ffi_sample:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 3f701ed719141b410fd06e112c16d547502510f7c7b7af70ded75ef177ce3b3c
[INFO] running `"docker" "start" "-a" "3f701ed719141b410fd06e112c16d547502510f7c7b7af70ded75ef177ce3b3c"`
[INFO] [stderr]    Compiling c_wrapper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling libc v0.2.37
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `"docker" "inspect" "3f701ed719141b410fd06e112c16d547502510f7c7b7af70ded75ef177ce3b3c"`
[INFO] running `"docker" "rm" "-f" "3f701ed719141b410fd06e112c16d547502510f7c7b7af70ded75ef177ce3b3c"`
[INFO] [stdout] 3f701ed719141b410fd06e112c16d547502510f7c7b7af70ded75ef177ce3b3c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/segfo/rust_c_ffi_sample:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2d5d1e4dce535f80354f0e53b26e1b2b6d42d7d9494786441326038978654d89
[INFO] running `"docker" "start" "-a" "2d5d1e4dce535f80354f0e53b26e1b2b6d42d7d9494786441326038978654d89"`
[INFO] [stderr]    Compiling c_wrapper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "2d5d1e4dce535f80354f0e53b26e1b2b6d42d7d9494786441326038978654d89"`
[INFO] running `"docker" "rm" "-f" "2d5d1e4dce535f80354f0e53b26e1b2b6d42d7d9494786441326038978654d89"`
[INFO] [stdout] 2d5d1e4dce535f80354f0e53b26e1b2b6d42d7d9494786441326038978654d89
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/segfo/rust_c_ffi_sample:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 0ef3f76bb77fe4eb4bc7de127ce2ef7efa7485ebe723740c50b4cd091e8cee4c
[INFO] running `"docker" "start" "-a" "0ef3f76bb77fe4eb4bc7de127ce2ef7efa7485ebe723740c50b4cd091e8cee4c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/c_wrapper-fbf74f2187cb3cd5
[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" "0ef3f76bb77fe4eb4bc7de127ce2ef7efa7485ebe723740c50b4cd091e8cee4c"`
[INFO] running `"docker" "rm" "-f" "0ef3f76bb77fe4eb4bc7de127ce2ef7efa7485ebe723740c50b4cd091e8cee4c"`
[INFO] [stdout] 0ef3f76bb77fe4eb4bc7de127ce2ef7efa7485ebe723740c50b4cd091e8cee4c