[INFO] updating cached repository ApolloCrawler/gauc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ApolloCrawler/gauc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ApolloCrawler/gauc" "work/ex/beta-1.37-6/sources/1.36.0/gh/ApolloCrawler/gauc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ApolloCrawler/gauc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ApolloCrawler/gauc" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ApolloCrawler/gauc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ApolloCrawler/gauc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9faca45fdfd13a5ffb65c0f75f8748a83a271a81
[INFO] sha for GitHub repo ApolloCrawler/gauc: 9faca45fdfd13a5ffb65c0f75f8748a83a271a81
[INFO] validating manifest of ApolloCrawler/gauc 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 ApolloCrawler/gauc 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 ApolloCrawler/gauc
[INFO] finished frobbing ApolloCrawler/gauc
[INFO] frobbed toml for ApolloCrawler/gauc written to work/ex/beta-1.37-6/sources/1.36.0/gh/ApolloCrawler/gauc/Cargo.toml
[INFO] started frobbing ApolloCrawler/gauc
[INFO] finished frobbing ApolloCrawler/gauc
[INFO] frobbed toml for ApolloCrawler/gauc written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ApolloCrawler/gauc/Cargo.toml
[INFO] crate ApolloCrawler/gauc 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 ApolloCrawler/gauc 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-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ApolloCrawler/gauc:/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] 7a8035163c4fbfd7e00d824d00b632b997262ff888f89e6087810705d600436b
[INFO] running `"docker" "start" "-a" "7a8035163c4fbfd7e00d824d00b632b997262ff888f89e6087810705d600436b"`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.4
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]    Compiling rustc-serialize v0.3.23
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling httparse v1.2.1
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazy_static v0.2.5
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling vec_map v0.7.0
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling route-recognizer v0.1.11
[INFO] [stderr]    Compiling serde v0.9.12
[INFO] [stderr]    Compiling unicode-bidi v0.2.5
[INFO] [stderr]    Compiling unsafe-any v0.4.1
[INFO] [stderr]    Compiling error v0.1.9
[INFO] [stderr]    Compiling mime v0.2.3
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling num_cpus v1.3.0
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling term_size v0.2.3
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling clap v2.22.1
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling hyper v0.10.5
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling ctrlc v3.0.1
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling url v1.4.0
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.4.0/src/form_urlencoded.rs:246:40
[INFO] [stderr]     |
[INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 246 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr] 
[INFO] [stderr]    Compiling env_logger v0.4.2
[INFO] [stderr]    Compiling iron v0.5.1
[INFO] [stderr]    Compiling persistent v0.3.0
[INFO] [stderr]    Compiling router v0.5.1
[INFO] [stderr]    Compiling bodyparser v0.5.0
[INFO] [stderr]    Compiling urlencoded v0.5.0
[INFO] [stderr]    Compiling gauc v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/gauc-e013891876362dca.gauc.5wf6ziog-cgu.0.rcgu.o" "-o" "/opt/crater/target/debug/deps/gauc-e013891876362dca" "/opt/crater/target/debug/deps/gauc-e013891876362dca.yso80te58iozpcs.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libgauc-3aeabdd76775af52.rlib" "/opt/crater/target/debug/deps/liburlencoded-d58ad5c937f552d7.rlib" "/opt/crater/target/debug/deps/libbodyparser-419300f4eebc7958.rlib" "/opt/crater/target/debug/deps/libpersistent-eebf13445be84290.rlib" "/opt/crater/target/debug/deps/libserde_json-77368eebaaa13776.rlib" "/opt/crater/target/debug/deps/libdtoa-86a354bb91aa38ab.rlib" "/opt/crater/target/debug/deps/libitoa-e4a4fd7cb1e3dbf2.rlib" "/opt/crater/target/debug/deps/libserde-429ac4b7b053a9b3.rlib" "/opt/crater/target/debug/deps/libnum_traits-1d7f4bd11abcef51.rlib" "/opt/crater/target/debug/deps/libserde-4232b2849571b4a6.rlib" "/opt/crater/target/debug/deps/librouter-48a9aeb8ab5224d9.rlib" "/opt/crater/target/debug/deps/libroute_recognizer-8bc91f3668023372.rlib" "/opt/crater/target/debug/deps/libiron-a582715f7bc64671.rlib" "/opt/crater/target/debug/deps/libmodifier-26ca9d50bdb2ffc5.rlib" "/opt/crater/target/debug/deps/liblazy_static-641b84735f0d0b73.rlib" "/opt/crater/target/debug/deps/libconduit_mime_types-6586731508b69e9f.rlib" "/opt/crater/target/debug/deps/liberror-9aa500b1c8e15dce.rlib" "/opt/crater/target/debug/deps/libplugin-7342107ab7ec39a7.rlib" "/opt/crater/target/debug/deps/libtypemap-5a169cc8d3d2b1a7.rlib" "/opt/crater/target/debug/deps/libunsafe_any-2e8f6d38643878a1.rlib" "/opt/crater/target/debug/deps/libhyper-cc01faf33ac7e33e.rlib" "/opt/crater/target/debug/deps/libmime-8cef4e83f6ea58cc.rlib" "/opt/crater/target/debug/deps/liblanguage_tags-b4450e5da7e2ea03.rlib" "/opt/crater/target/debug/deps/libtypeable-9fe076ba4ff85b0b.rlib" "/opt/crater/target/debug/deps/libtraitobject-dff51ccead8cbc62.rlib" "/opt/crater/target/debug/deps/libnum_cpus-c30870020bc4e1a2.rlib" "/opt/crater/target/debug/deps/libhttparse-2d57cedff690bd5a.rlib" "/opt/crater/target/debug/deps/libunicase-18d93457da9833a4.rlib" "/opt/crater/target/debug/deps/liburl-1749842853c60f45.rlib" "/opt/crater/target/debug/deps/libidna-c3be8f96d0412c54.rlib" "/opt/crater/target/debug/deps/libunicode_normalization-47cecd7dab201c24.rlib" "/opt/crater/target/debug/deps/libunicode_bidi-1013fb3ab3b60545.rlib" "/opt/crater/target/debug/deps/libmatches-df15b67bf7755032.rlib" "/opt/crater/target/debug/deps/libtime-667ea49bb74be3c5.rlib" "/opt/crater/target/debug/deps/librustc_serialize-61f4ae1a43498789.rlib" "/opt/crater/target/debug/deps/libctrlc-a9ff728523cff288.rlib" "/opt/crater/target/debug/deps/libclap-43ca215236889bb5.rlib" "/opt/crater/target/debug/deps/libatty-6d4af974450b9082.rlib" "/opt/crater/target/debug/deps/libunicode_segmentation-cd5ae93e4f727c29.rlib" "/opt/crater/target/debug/deps/libterm_size-f1031563491bb4c1.rlib" "/opt/crater/target/debug/deps/libvec_map-29797f2966035f8e.rlib" "/opt/crater/target/debug/deps/libbitflags-72e3f27a00830ec9.rlib" "/opt/crater/target/debug/deps/libunicode_width-a8e9f39e28f2f033.rlib" "/opt/crater/target/debug/deps/libansi_term-01204ff8fbeb072b.rlib" "/opt/crater/target/debug/deps/libstrsim-5cfd77f5101391ab.rlib" "/opt/crater/target/debug/deps/libenv_logger-260c52c98da5f051.rlib" "/opt/crater/target/debug/deps/libregex-1c9617039026a045.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-c22923d07ee9c36b.rlib" "/opt/crater/target/debug/deps/libregex_syntax-54912fbbd4de49d8.rlib" "/opt/crater/target/debug/deps/libthread_local-d78df2b27b5cfee6.rlib" "/opt/crater/target/debug/deps/libunreachable-4e60310093323378.rlib" "/opt/crater/target/debug/deps/libvoid-3f6499ea30da8131.rlib" "/opt/crater/target/debug/deps/libthread_id-31b7e0da68eb1095.rlib" "/opt/crater/target/debug/deps/libaho_corasick-d2070fbfc4aa5013.rlib" "/opt/crater/target/debug/deps/libmemchr-4255b67810a8e32e.rlib" "/opt/crater/target/debug/deps/liblibc-30c14ebaef4affb1.rlib" "/opt/crater/target/debug/deps/liblog-c323ca4c8acdb12e.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9895e8982b0a79e7.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-57306b8ed3378a0e.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-54463ae5adae3649.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d99667b199a9875a.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-51f4300e102199f5.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-b3ccf1f7737a6a91.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-157c37a3ceb78853.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-505bcee45aafb736.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c29abd529ba4452b.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-895383a3232f6572.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5594cb4f559bc761.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-38e90baf978bc428.rlib" "-Wl,-Bdynamic" "-lcouchbase" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lcouchbase
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `gauc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7a8035163c4fbfd7e00d824d00b632b997262ff888f89e6087810705d600436b"`
[INFO] running `"docker" "rm" "-f" "7a8035163c4fbfd7e00d824d00b632b997262ff888f89e6087810705d600436b"`
[INFO] [stdout] 7a8035163c4fbfd7e00d824d00b632b997262ff888f89e6087810705d600436b