[INFO] updating cached repository milesgranger/pybind11-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/milesgranger/pybind11-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/milesgranger/pybind11-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/milesgranger/pybind11-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/milesgranger/pybind11-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/milesgranger/pybind11-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/milesgranger/pybind11-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/milesgranger/pybind11-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 696327598b9e9b4f73b9516765dcec852955eabd
[INFO] sha for GitHub repo milesgranger/pybind11-rs: 696327598b9e9b4f73b9516765dcec852955eabd
[INFO] validating manifest of milesgranger/pybind11-rs on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of milesgranger/pybind11-rs on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing milesgranger/pybind11-rs
[INFO] finished frobbing milesgranger/pybind11-rs
[INFO] frobbed toml for milesgranger/pybind11-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/milesgranger/pybind11-rs/Cargo.toml
[INFO] started frobbing milesgranger/pybind11-rs
[INFO] finished frobbing milesgranger/pybind11-rs
[INFO] frobbed toml for milesgranger/pybind11-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/milesgranger/pybind11-rs/Cargo.toml
[INFO] crate milesgranger/pybind11-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing milesgranger/pybind11-rs against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/milesgranger/pybind11-rs:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 2ae48af1a67cddee5fd44b5c6ce66fe28e0ef921fca041de7e545ed872507fd6
[INFO] running `"docker" "start" "-a" "2ae48af1a67cddee5fd44b5c6ce66fe28e0ef921fca041de7e545ed872507fd6"`
[INFO] [stderr]    Compiling tempfile v3.0.7
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling cbindgen v0.8.3
[INFO] [stderr]    Compiling pybinder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::ffi::CString`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ffi::CString;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `person`
[INFO] [stderr]   --> src/lib.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     person: Person
[INFO] [stderr]    |     ^^^^^^ help: consider prefixing with an underscore: `_person`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.18s
[INFO] running `"docker" "inspect" "2ae48af1a67cddee5fd44b5c6ce66fe28e0ef921fca041de7e545ed872507fd6"`
[INFO] running `"docker" "rm" "-f" "2ae48af1a67cddee5fd44b5c6ce66fe28e0ef921fca041de7e545ed872507fd6"`
[INFO] [stdout] 2ae48af1a67cddee5fd44b5c6ce66fe28e0ef921fca041de7e545ed872507fd6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/milesgranger/pybind11-rs:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] d0743a20a896b44072d091e28570c41520fd4cde7a208c70a64188568e6aef16
[INFO] running `"docker" "start" "-a" "d0743a20a896b44072d091e28570c41520fd4cde7a208c70a64188568e6aef16"`
[INFO] [stderr]    Compiling pybinder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::ffi::CString`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ffi::CString;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `person`
[INFO] [stderr]   --> src/lib.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     person: Person
[INFO] [stderr]    |     ^^^^^^ help: consider prefixing with an underscore: `_person`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "d0743a20a896b44072d091e28570c41520fd4cde7a208c70a64188568e6aef16"`
[INFO] running `"docker" "rm" "-f" "d0743a20a896b44072d091e28570c41520fd4cde7a208c70a64188568e6aef16"`
[INFO] [stdout] d0743a20a896b44072d091e28570c41520fd4cde7a208c70a64188568e6aef16
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/milesgranger/pybind11-rs:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 141a8c69ae3d0d378d7aedbac690604da661404927ce3f39b18b7c145626a716
[INFO] running `"docker" "start" "-a" "141a8c69ae3d0d378d7aedbac690604da661404927ce3f39b18b7c145626a716"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pybinder-2c260c2c553cfb33
[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" "141a8c69ae3d0d378d7aedbac690604da661404927ce3f39b18b7c145626a716"`
[INFO] running `"docker" "rm" "-f" "141a8c69ae3d0d378d7aedbac690604da661404927ce3f39b18b7c145626a716"`
[INFO] [stdout] 141a8c69ae3d0d378d7aedbac690604da661404927ce3f39b18b7c145626a716