[INFO] crate guetzli-sys 0.0.3 is already in cache
[INFO] extracting crate guetzli-sys 0.0.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/guetzli-sys/0.0.3
[INFO] extracting crate guetzli-sys 0.0.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/guetzli-sys/0.0.3
[INFO] validating manifest of guetzli-sys-0.0.3 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 guetzli-sys-0.0.3 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 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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/guetzli-sys/0.0.3/Cargo.toml
[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 guetzli-sys-0.0.3 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] bf4a412711a583cd01d93fa58b2fb240ba20a7a06f69248ec8471faaba6af460
[INFO] running `"docker" "start" "-a" "bf4a412711a583cd01d93fa58b2fb240ba20a7a06f69248ec8471faaba6af460"`
[INFO] [stderr]    Compiling cpp_common v0.3.2
[INFO] [stderr]    Compiling cpp_synmap v0.3.0
[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-e9393bdd6c6e87c1/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-a09ff0cc0dcb0614/out/rust_cpp/cpp_closures.o" "-c" "/opt/crater/target/debug/build/guetzli-sys-a09ff0cc0dcb0614/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-a09ff0cc0dcb0614/out/rust_cpp/cpp_closures.o" "-c" "/opt/crater/target/debug/build/guetzli-sys-a09ff0cc0dcb0614/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:     0x55db74f2d6bb - backtrace::backtrace::libunwind::trace::hfe5db90796807973
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55db74f2d6bb - backtrace::backtrace::trace_unsynchronized::h34b865a835594335
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55db74f2d6bb - std::sys_common::backtrace::_print::h527254ae44989167
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55db74f2d6bb - std::sys_common::backtrace::print::he85dd5ddddf46503
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55db74f2d6bb - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55db74f2d397 - std::panicking::default_hook::h2ca0f9a30a0e206b
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55db74f2de30 - std::panicking::rust_panic_with_hook::hffcefc09751839d1
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55db74f2d9b2 - std::panicking::continue_panic_fmt::hc0f142c930c846fc
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x55db74f2d8ff - std::panicking::begin_panic_fmt::ha6acf0ffd6d7f80d
[INFO] [stderr]                                at src/libstd/panicking.rs:339
[INFO] [stderr]    9:     0x55db74cd58a6 - gcc::fail::h88bd4f845e02c6b7
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672
[INFO] [stderr]   10:     0x55db74cc4f6c - gcc::Build::compile::hd21e427e1f49959b
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:785
[INFO] [stderr]   11:     0x55db74be23a1 - cpp_build::Config::build::hc001b8495f0f95e8
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpp_build-0.3.2/src/lib.rs:484
[INFO] [stderr]   12:     0x55db74be36ee - build_script_build::compileCPlusPlusGlueCode::h4bbd294fcdd3976c
[INFO] [stderr]                                at src/build.rs:24
[INFO] [stderr]   13:     0x55db74be3646 - build_script_build::main::h0bd2321e5740f7b2
[INFO] [stderr]                                at src/build.rs:18
[INFO] [stderr]   14:     0x55db74be29b0 - std::rt::lang_start::{{closure}}::h1d7d005fa0db03bd
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x55db74f2d833 - std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   16:     0x55db74f2d833 - std::panicking::try::do_call::h4a61cb372364c745
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   17:     0x55db74f3640a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   18:     0x55db74f2e3fd - std::panicking::try::hdf71f938885bca42
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   19:     0x55db74f2e3fd - std::panic::catch_unwind::h7e85dbf162b1611a
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   20:     0x55db74f2e3fd - std::rt::lang_start_internal::h1e06cc26b9fc25ea
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   21:     0x55db74be2989 - std::rt::lang_start::h9187a64db05ba73f
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64
[INFO] [stderr]   22:     0x55db74be3b4a - main
[INFO] [stderr]   23:     0x7fea4418b2e1 - __libc_start_main
[INFO] [stderr]   24:     0x55db74bdba5a - _start
[INFO] [stderr]   25:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "bf4a412711a583cd01d93fa58b2fb240ba20a7a06f69248ec8471faaba6af460"`
[INFO] running `"docker" "rm" "-f" "bf4a412711a583cd01d93fa58b2fb240ba20a7a06f69248ec8471faaba6af460"`
[INFO] [stdout] bf4a412711a583cd01d93fa58b2fb240ba20a7a06f69248ec8471faaba6af460