[INFO] fetching crate libpng-sys 1.1.5...
[INFO] extracting crate libpng-sys 1.1.5 into work/ex/beta-1.37-6/sources/1.36.0/reg/libpng-sys/1.1.5
[INFO] extracting crate libpng-sys 1.1.5 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libpng-sys/1.1.5
[INFO] validating manifest of libpng-sys-1.1.5 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 libpng-sys-1.1.5 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 libpng-sys-1.1.5
[INFO] finished frobbing libpng-sys-1.1.5
[INFO] frobbed toml for libpng-sys-1.1.5 written to work/ex/beta-1.37-6/sources/1.36.0/reg/libpng-sys/1.1.5/Cargo.toml
[INFO] started frobbing libpng-sys-1.1.5
[INFO] finished frobbing libpng-sys-1.1.5
[INFO] frobbed toml for libpng-sys-1.1.5 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libpng-sys/1.1.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 libpng-sys-1.1.5 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-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libpng-sys/1.1.5:/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] 888ce78cdaa7870b4ce2e9c2b0d4fac5bd821dacb4b7e3e77ce68fd3d0b1211c
[INFO] running `"docker" "start" "-a" "888ce78cdaa7870b4ce2e9c2b0d4fac5bd821dacb4b7e3e77ce68fd3d0b1211c"`
[INFO] [stderr]    Compiling dunce v1.0.0
[INFO] [stderr]    Compiling libpng-sys v1.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `"docker" "inspect" "888ce78cdaa7870b4ce2e9c2b0d4fac5bd821dacb4b7e3e77ce68fd3d0b1211c"`
[INFO] running `"docker" "rm" "-f" "888ce78cdaa7870b4ce2e9c2b0d4fac5bd821dacb4b7e3e77ce68fd3d0b1211c"`
[INFO] [stdout] 888ce78cdaa7870b4ce2e9c2b0d4fac5bd821dacb4b7e3e77ce68fd3d0b1211c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libpng-sys/1.1.5:/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] 50a605329cc1d8560b51a9fb21296add0af7e0ae3ae65c0a94b8aaaa6d56e007
[INFO] running `"docker" "start" "-a" "50a605329cc1d8560b51a9fb21296add0af7e0ae3ae65c0a94b8aaaa6d56e007"`
[INFO] [stderr]    Compiling libpng-sys v1.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `"docker" "inspect" "50a605329cc1d8560b51a9fb21296add0af7e0ae3ae65c0a94b8aaaa6d56e007"`
[INFO] running `"docker" "rm" "-f" "50a605329cc1d8560b51a9fb21296add0af7e0ae3ae65c0a94b8aaaa6d56e007"`
[INFO] [stdout] 50a605329cc1d8560b51a9fb21296add0af7e0ae3ae65c0a94b8aaaa6d56e007
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libpng-sys/1.1.5:/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] 0997efbf0aeeaad2c3f17f8adf5cf6f6025c7b5677502f2b4e12951b66598ad7
[INFO] running `"docker" "start" "-a" "0997efbf0aeeaad2c3f17f8adf5cf6f6025c7b5677502f2b4e12951b66598ad7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/libpng_sys-570e47b1f4595eb8
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test ffi::bindgen_test_layout_png_color_8_struct ... ok
[INFO] [stdout] test ffi::bindgen_test_layout_png_color_struct ... ok
[INFO] [stdout] test ffi::bindgen_test_layout_png_image ... ok
[INFO] [stdout] test ffi::bindgen_test_layout_png_row_info_struct ... ok
[INFO] [stdout] test ffi::bindgen_test_layout_png_color_16_struct ... ok
[INFO] [stdout] test ffi::bindgen_test_layout_png_unknown_chunk_t ... ok
[INFO] [stdout] test links ... ok
[INFO] [stderr] libpng warning: Application built with libpng-testingassertion failed: res.is_null()ffi::bindgen_test_layout_png_color_structffi::bindgen_test_
[INFO] [stdout] test ffi::bindgen_test_layout_png_time_struct ... ok
[INFO] [stdout] test ffi::bindgen_test_layout_png_sPLT_entry_struct ... ok
[INFO] [stdout] test ffi::bindgen_test_layout_png_text_struct ... ok
[INFO] [stdout] test ffi::bindgen_test_layout_png_sPLT_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libpng-sys
[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" "0997efbf0aeeaad2c3f17f8adf5cf6f6025c7b5677502f2b4e12951b66598ad7"`
[INFO] running `"docker" "rm" "-f" "0997efbf0aeeaad2c3f17f8adf5cf6f6025c7b5677502f2b4e12951b66598ad7"`
[INFO] [stdout] 0997efbf0aeeaad2c3f17f8adf5cf6f6025c7b5677502f2b4e12951b66598ad7