[INFO] crate guetzli-sys 0.0.3 is already in cache
[INFO] extracting crate guetzli-sys 0.0.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/guetzli-sys/0.0.3
[INFO] extracting crate guetzli-sys 0.0.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/guetzli-sys/0.0.3
[INFO] validating manifest of guetzli-sys-0.0.3 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 guetzli-sys-0.0.3 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 guetzli-sys-0.0.3
[INFO] finished frobbing guetzli-sys-0.0.3
[INFO] frobbed toml for guetzli-sys-0.0.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/guetzli-sys/0.0.3/Cargo.toml
[INFO] started frobbing guetzli-sys-0.0.3
[INFO] finished frobbing guetzli-sys-0.0.3
[INFO] frobbed toml for guetzli-sys-0.0.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/guetzli-sys/0.0.3/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 guetzli-sys-0.0.3 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/guetzli-sys/0.0.3:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 10d6331b6dc33227147d22320c5c7892d9582b53efe6986f160d13e3572da207
[INFO] running `"docker" "start" "-a" "10d6331b6dc33227147d22320c5c7892d9582b53efe6986f160d13e3572da207"`
[INFO] [stderr]    Compiling cpp_synom v0.12.0
[INFO] [stderr]    Compiling cpp_syn v0.12.0
[INFO] [stderr]    Compiling cpp_synmap v0.3.0
[INFO] [stderr]    Compiling cpp_common v0.3.2
[INFO] [stderr]    Compiling cpp_macros v0.3.2
[INFO] [stderr]    Compiling cpp_build v0.3.2
[INFO] [stderr]    Compiling cpp v0.3.2
[INFO] [stderr]    Compiling guetzli-sys v0.0.3 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `guetzli-sys v0.0.3 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/guetzli-sys-d628eee02a37d942/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXX = None
[INFO] [stderr] CXX = None
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXXFLAGS = None
[INFO] [stderr] CXXFLAGS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "/opt/crater/workdir" "-I" "lib/guetzli" "-I" "lib/guetzli/third_party/butteraugli" "-w" "-Wall" "-Wextra" "-o" "/opt/crater/target/debug/build/guetzli-sys-44e9c028b0308da5/out/rust_cpp/cpp_closures.o" "-c" "/opt/crater/target/debug/build/guetzli-sys-44e9c028b0308da5/out/rust_cpp/cpp_closures.cpp"
[INFO] [stderr] cargo:warning=/opt/crater/workdir/src/lib.rs:45:157: error: duplicate 'const'
[INFO] [stderr] cargo:warning= /// Use this for the guetzli's function's `quality` parameter
[INFO] [stderr] cargo:warning=                                                                                                                                                             ^    
[INFO] [stderr] cargo:warning=/opt/crater/workdir/src/lib.rs:125:139: error: duplicate 'const'
[INFO] [stderr] cargo:warning=  };
[INFO] [stderr] cargo:warning=                                                                                                                                           ^    
[INFO] [stderr] exit code: 1
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at '
[INFO] [stderr] 
[INFO] [stderr] Internal error occurred: Command "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "/opt/crater/workdir" "-I" "lib/guetzli" "-I" "lib/guetzli/third_party/butteraugli" "-w" "-Wall" "-Wextra" "-o" "/opt/crater/target/debug/build/guetzli-sys-44e9c028b0308da5/out/rust_cpp/cpp_closures.o" "-c" "/opt/crater/target/debug/build/guetzli-sys-44e9c028b0308da5/out/rust_cpp/cpp_closures.cpp" with args "c++" did not execute successfully (status code exit code: 1).
[INFO] [stderr] 
[INFO] [stderr] ', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55cd9b583ee3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55cd9b57f0db - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55cd9b582b66 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x55cd9b5828f9 - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55cd9b58326f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55cd9b582df1 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x55cd9b582d3e - std::panicking::begin_panic_fmt::he54eae869ed71eb1
[INFO] [stderr]                                at src/libstd/panicking.rs:336
[INFO] [stderr]    7:     0x55cd9b32a795 - gcc::fail::hbfe94b929e81fabf
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672
[INFO] [stderr]    8:     0x55cd9b319f8e - gcc::Build::compile::h7204cea3d3a3932e
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:785
[INFO] [stderr]    9:     0x55cd9b237ee2 - cpp_build::Config::build::ha96c4c1c6819dcb9
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpp_build-0.3.2/src/lib.rs:484
[INFO] [stderr]   10:     0x55cd9b238dbd - build_script_build::compileCPlusPlusGlueCode::hc75ed012c58944b0
[INFO] [stderr]                                at src/build.rs:24
[INFO] [stderr]   11:     0x55cd9b238d15 - build_script_build::main::h57ba017b27901aa2
[INFO] [stderr]                                at src/build.rs:18
[INFO] [stderr]   12:     0x55cd9b2385ff - std::rt::lang_start::{{closure}}::hd67bafaa2c0ea7d4
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x55cd9b582c72 - std::panicking::try::do_call::hc3d8373a0b215f51
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   14:     0x55cd9b58bdf9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   15:     0x55cd9b58383c - std::rt::lang_start_internal::he5218c8b95d395f2
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   16:     0x55cd9b2385d8 - std::rt::lang_start::h5affc9a31d8f4df1
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   17:     0x55cd9b239219 - main
[INFO] [stderr]   18:     0x7fc9f31e92e0 - __libc_start_main
[INFO] [stderr]   19:     0x55cd9b2314f9 - _start
[INFO] [stderr]   20:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "10d6331b6dc33227147d22320c5c7892d9582b53efe6986f160d13e3572da207"`
[INFO] running `"docker" "rm" "-f" "10d6331b6dc33227147d22320c5c7892d9582b53efe6986f160d13e3572da207"`
[INFO] [stdout] 10d6331b6dc33227147d22320c5c7892d9582b53efe6986f160d13e3572da207