[INFO] updating cached repository collabook/core
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/collabook/core
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/collabook/core" "work/ex/beta-1.37-6/sources/1.36.0/gh/collabook/core"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/collabook/core'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/collabook/core" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/collabook/core"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/collabook/core'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6bfee3de1eb815caafcbb8f5a70fbf8cd90a4152
[INFO] sha for GitHub repo collabook/core: 6bfee3de1eb815caafcbb8f5a70fbf8cd90a4152
[INFO] validating manifest of collabook/core 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 collabook/core 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 collabook/core
[INFO] finished frobbing collabook/core
[INFO] frobbed toml for collabook/core written to work/ex/beta-1.37-6/sources/1.36.0/gh/collabook/core/Cargo.toml
[INFO] started frobbing collabook/core
[INFO] finished frobbing collabook/core
[INFO] frobbed toml for collabook/core written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/collabook/core/Cargo.toml
[INFO] crate collabook/core 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 collabook/core 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-4/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/collabook/core:/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] c5d1cdcdaa4f82a680eca812c3e57145226834f0d86641c36d97b504bda6d757
[INFO] running `"docker" "start" "-a" "c5d1cdcdaa4f82a680eca812c3e57145226834f0d86641c36d97b504bda6d757"`
[INFO] [stderr]    Compiling wkhtmltox-sys v0.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.16
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling resolv-conf v0.6.2
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling combine v3.0.0-beta.1
[INFO] [stderr]    Compiling cookie v0.11.0
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling tokio-io v0.1.11
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]    Compiling v_escape_derive v0.2.1
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling wkhtmltopdf v0.3.0
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling h2 v0.1.14
[INFO] [stderr]    Compiling tokio-reactor v0.1.8
[INFO] [stderr]    Compiling tokio-threadpool v0.1.10
[INFO] [stderr]    Compiling v_escape v0.3.2
[INFO] [stderr]    Compiling v_htmlescape v0.3.2
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-signal v0.2.7
[INFO] [stderr]    Compiling trust-dns-proto v0.6.1
[INFO] [stderr]    Compiling trust-dns-proto v0.5.0
[INFO] [stderr]    Compiling tokio-fs v0.1.5
[INFO] [stderr]    Compiling tokio v0.1.14
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling hyper v0.12.20
[INFO] [stderr]    Compiling trust-dns-resolver v0.10.2
[INFO] [stderr]    Compiling graphql-parser v0.2.0
[INFO] [stderr]    Compiling actix v0.7.9
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling reqwest v0.9.8
[INFO] [stderr]    Compiling actix-net v0.2.6
[INFO] [stderr]    Compiling actix-web v0.7.18
[INFO] [stderr]    Compiling graphql_client_codegen v0.6.0
[INFO] [stderr]    Compiling git2 v0.8.0
[INFO] [stderr]    Compiling graphql_query_derive v0.6.0
[INFO] [stderr]    Compiling graphql_client v0.6.0
[INFO] [stderr]    Compiling core v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/book.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |         let mut content: Option<String>;
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[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/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/core-1fbcfe606235a87c.core.9rsl1sc0-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/core-1fbcfe606235a87c.core.9rsl1sc0-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/core-1fbcfe606235a87c.core.9rsl1sc0-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/core-1fbcfe606235a87c.core.9rsl1sc0-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/core-1fbcfe606235a87c.core.9rsl1sc0-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/core-1fbcfe606235a87c.core.9rsl1sc0-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/core-1fbcfe606235a87c.core.9rsl1sc0-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/core-1fbcfe606235a87c.core.9rsl1sc0-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/core-1fbcfe606235a87c.core.9rsl1sc0-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/core-1fbcfe606235a87c.core.9rsl1sc0-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/core-1fbcfe606235a87c.core.9rsl1sc0-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/core-1fbcfe606235a87c.core.9rsl1sc0-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/core-1fbcfe606235a87c.core.9rsl1sc0-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/core-1fbcfe606235a87c.core.9rsl1sc0-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/core-1fbcfe606235a87c.core.9rsl1sc0-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/core-1fbcfe606235a87c.core.9rsl1sc0-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/core-1fbcfe606235a87c" "/opt/crater/target/debug/deps/core-1fbcfe606235a87c.tnrm2lukyr1pmu7.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/target/debug/build/backtrace-sys-3ee31c3885caa03b/out" "-L" "/opt/crater/target/debug/build/brotli-sys-97b628f3eaf433c0/out" "-L" "/opt/crater/target/debug/build/ring-2073e06fa252d134/out" "-L" "/opt/crater/target/debug/build/miniz-sys-92e32e04f1736e94/out" "-L" "/opt/crater/target/debug/build/libgit2-sys-bd42b18af7da3c84/out/build" "-L" "/opt/crater/target/debug/build/curl-sys-cc95275e90466b8c/out/build" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/crater/target/debug/build/libssh2-sys-344f65e6bb500683/out/build" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libenv_logger-ecd131fa09fcccb9.rlib" "/opt/crater/target/debug/deps/libatty-c6520e63c508467e.rlib" "/opt/crater/target/debug/deps/libhumantime-39d793d15deb41e2.rlib" "/opt/crater/target/debug/deps/libtermcolor-1e2ba7007c03c9ea.rlib" "/opt/crater/target/debug/deps/libreqwest-c7019210da64bbc8.rlib" "/opt/crater/target/debug/deps/liblibflate-a80a6f9c46754494.rlib" "/opt/crater/target/debug/deps/libadler32-71d1acce3b38b1ac.rlib" "/opt/crater/target/debug/deps/libhyper_tls-6a22faea3125be40.rlib" "/opt/crater/target/debug/deps/libnative_tls-b3356eae65b85867.rlib" "/opt/crater/target/debug/deps/libopenssl-eb8e89a5b3ce6e6d.rlib" "/opt/crater/target/debug/deps/libforeign_types-8f4d3073b23c6f54.rlib" "/opt/crater/target/debug/deps/libforeign_types_shared-d12e0b78b2045397.rlib" "/opt/crater/target/debug/deps/libhyper-7ba57fbaeba344f7.rlib" "/opt/crater/target/debug/deps/libwant-54a744c796875a6e.rlib" "/opt/crater/target/debug/deps/libtry_lock-71a75fe50b48798b.rlib" "/opt/crater/target/debug/deps/libencoding_rs-21ba3e905e33c3b7.rlib" "/opt/crater/target/debug/deps/libwkhtmltopdf-e9246ed7eb0defcc.rlib" "/opt/crater/target/debug/deps/liblog-d8be02d29a71cb41.rlib" "/opt/crater/target/debug/deps/liblazy_static-0e1e36676eed3924.rlib" "/opt/crater/target/debug/deps/libthread_id-2e8d14c34967285f.rlib" "/opt/crater/target/debug/deps/libwkhtmltox_sys-cc1a0b2de3421596.rlib" "/opt/crater/target/debug/deps/libtoml-2d869d7a36530f5b.rlib" "/opt/crater/target/debug/deps/libgit2-16f0ef72d1b64b4e.rlib" "/opt/crater/target/debug/deps/libopenssl_probe-8a28fadf9a103951.rlib" "/opt/crater/target/debug/deps/liblibgit2_sys-487a711ec448a8e1.rlib" "/opt/crater/target/debug/deps/libcurl_sys-73300f3ba3a523e5.rlib" "/opt/crater/target/debug/deps/liblibssh2_sys-6c0744ea7d1530ec.rlib" "/opt/crater/target/debug/deps/libopenssl_sys-baeb293aa91186f6.rlib" "/opt/crater/target/debug/deps/liblibz_sys-450750d5414a9592.rlib" "/opt/crater/target/debug/deps/libchrono-f3f19314e4e5aae4.rlib" "/opt/crater/target/debug/deps/libnum_integer-9ca4ca22e0105bb2.rlib" "/opt/crater/target/debug/deps/libnum_traits-1f63f1ea91c56eb7.rlib" "/opt/crater/target/debug/deps/libwalkdir-467261f2ddddceb2.rlib" "/opt/crater/target/debug/deps/libsame_file-8f492d48c8e73b57.rlib" "/opt/crater/target/debug/deps/libapp_dirs-a8874f0f99cbe900.rlib" "/opt/crater/target/debug/deps/libxdg-14f0115ace3de27f.rlib" "/opt/crater/target/debug/deps/libactix_web-60fcd418776f078b.rlib" "/opt/crater/target/debug/deps/libactix_net-4de1cf34a8b7c165.rlib" "/opt/crater/target/debug/deps/libactix-5ba52435877d2650.rlib" "/opt/crater/target/debug/deps/libtokio_signal-4f1193b8e1891e25.rlib" "/opt/crater/target/debug/deps/libsignal_hook-5f78430d7235a65e.rlib" "/opt/crater/target/debug/deps/libarc_swap-085471e3a632d5d0.rlib" "/opt/crater/target/debug/deps/libuuid-22dd9a7589fc5520.rlib" "/opt/crater/target/debug/deps/libtrust_dns_resolver-0fbfe03f2f3de5cd.rlib" "/opt/crater/target/debug/deps/libtrust_dns_proto-700bf977ef0b816e.rlib" "/opt/crater/target/debug/deps/libsocket2-60f08e31b14cd9ef.rlib" "/opt/crater/target/debug/deps/librand-399654f0afbd4101.rlib" "/opt/crater/target/debug/deps/librand_core-a54fdff281d19d07.rlib" "/opt/crater/target/debug/deps/libresolv_conf-08e6dddd0a38e81a.rlib" "/opt/crater/target/debug/deps/libhostname-3b3955a03d20927b.rlib" "/opt/crater/target/debug/deps/libquick_error-7d23d7c8e4749989.rlib" "/opt/crater/target/debug/deps/liblru_cache-c7397eb19e09499c.rlib" "/opt/crater/target/debug/deps/liblinked_hash_map-9a727702405172d9.rlib" "/opt/crater/target/debug/deps/libtower_service-7a74052982bac1f2.rlib" "/opt/crater/target/debug/deps/libv_htmlescape-c606299a21de66f4.rlib" "/opt/crater/target/debug/deps/libv_escape-9a7356bd81ca8db2.rlib" "/opt/crater/target/debug/deps/libserde_json-09b163b5f7c4961d.rlib" "/opt/crater/target/debug/deps/libryu-e96bf1fa7384491d.rlib" "/opt/crater/target/debug/deps/libserde_urlencoded-11a6f9ffd82d36c0.rlib" "/opt/crater/target/debug/deps/libdtoa-0a0f3f42c2e2308c.rlib" "/opt/crater/target/debug/deps/libh2-20f0d1d7f4817b1c.rlib" "/opt/crater/target/debug/deps/libindexmap-6d1cede99116fd64.rlib" "/opt/crater/target/debug/deps/libstring-2b757ab849c207c2.rlib" "/opt/crater/target/debug/deps/libflate2-45ef48387f766806.rlib" "/opt/crater/target/debug/deps/libminiz_sys-c1f19766132e5962.rlib" "/opt/crater/target/debug/deps/libcrc32fast-c2042ac75c625f46.rlib" "/opt/crater/target/debug/deps/libbrotli2-cb1e4f3ccd274333.rlib" "/opt/crater/target/debug/deps/libbrotli_sys-fdcf4c29a1662d93.rlib" "/opt/crater/target/debug/deps/libserde-b73e5554c690085d.rlib" "/opt/crater/target/debug/deps/libtokio-f09b43c818382c9e.rlib" "/opt/crater/target/debug/deps/libtokio_uds-a2d0e2d7beb2b7f7.rlib" "/opt/crater/target/debug/deps/libmio_uds-648b7f9dade05090.rlib" "/opt/crater/target/debug/deps/libtokio_udp-cd6cbea824796898.rlib" "/opt/crater/target/debug/deps/libtokio_tcp-18e1d7800f3851f2.rlib" "/opt/crater/target/debug/deps/libtokio_timer-b38a7b583dd7d9af.rlib" "/opt/crater/target/debug/deps/libtokio_reactor-f58c3b04377fa3ce.rlib" "/opt/crater/target/debug/deps/libtokio_fs-5bdca577c103cf7f.rlib" "/opt/crater/target/debug/deps/libtokio_threadpool-ae8926d563d8ec0d.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-ff3b152116d61bcf.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-a89bf58db610a092.rlib" "/opt/crater/target/debug/deps/libmemoffset-ef971ccc3957ca71.rlib" "/opt/crater/target/debug/deps/libarrayvec-940fecd1aefd4712.rlib" "/opt/crater/target/debug/deps/libnodrop-36ce0cdfb7359e6a.rlib" "/opt/crater/target/debug/deps/libcrossbeam_channel-4050dd821cf310a2.rlib" "/opt/crater/target/debug/deps/libtokio_codec-bd2302854a1f7403.rlib" "/opt/crater/target/debug/deps/libtokio_io-25bb4e659781dbe2.rlib" "/opt/crater/target/debug/deps/libtokio_current_thread-b45c89d444379c06.rlib" "/opt/crater/target/debug/deps/libtokio_executor-da5b19e53fdaf0e3.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-667d6889ee396a84.rlib" "/opt/crater/target/debug/deps/libparking_lot-367f4b7a318c6ff9.rlib" "/opt/crater/target/debug/deps/libparking_lot_core-ad56b6364f28e1f3.rlib" "/opt/crater/target/debug/deps/libsmallvec-a54b56220b322a50.rlib" "/opt/crater/target/debug/deps/libunreachable-40e55d450f39618d.rlib" "/opt/crater/target/debug/deps/libvoid-b4a3c83e92a11249.rlib" "/opt/crater/target/debug/deps/librand-22b0dae7354e690d.rlib" "/opt/crater/target/debug/deps/librand_xorshift-617dbabe17ec4000.rlib" "/opt/crater/target/debug/deps/librand_pcg-a99eb8994209efbf.rlib" "/opt/crater/target/debug/deps/librand_hc-1a031fb5dbbfb4e7.rlib" "/opt/crater/target/debug/deps/librand_chacha-e54b03eb55656daf.rlib" "/opt/crater/target/debug/deps/librand_isaac-e44604c0a003e3f8.rlib" "/opt/crater/target/debug/deps/librand_os-811a5027de5f833c.rlib" "/opt/crater/target/debug/deps/librand_core-0169ea5a612ef054.rlib" "/opt/crater/target/debug/deps/liblock_api-3fc8af4b186c35a8.rlib" "/opt/crater/target/debug/deps/libowning_ref-f49604bedfa4ae1c.rlib" "/opt/crater/target/debug/deps/libstable_deref_trait-287a8a8ca6ec21fa.rlib" "/opt/crater/target/debug/deps/libscopeguard-afc08b825b950866.rlib" "/opt/crater/target/debug/deps/libmio-377d3f363e4c3acb.rlib" "/opt/crater/target/debug/deps/libslab-8c37f8a83abe1853.rlib" "/opt/crater/target/debug/deps/libnet2-fbeeb521191f9b67.rlib" "/opt/crater/target/debug/deps/libmime_guess-f3d7f99f6aa6c658.rlib" "/opt/crater/target/debug/deps/libphf-d9573a5457d25c17.rlib" "/opt/crater/target/debug/deps/libphf_shared-91a4aa9d0e7ea63f.rlib" "/opt/crater/target/debug/deps/libunicase-153480e1a8d7191e.rlib" "/opt/crater/target/debug/deps/libsiphasher-a0bf353dc1dc992e.rlib" "/opt/crater/target/debug/deps/libmime-74fe5311d78ebc87.rlib" "/opt/crater/target/debug/deps/libunicase-7bf53102036edf15.rlib" "/opt/crater/target/debug/deps/liblazycell-faa7905e18791a63.rlib" "/opt/crater/target/debug/deps/liblanguage_tags-c0eb57f43d2a41bf.rlib" "/opt/crater/target/debug/deps/libhttparse-4a516efd57cb080b.rlib" "/opt/crater/target/debug/deps/libhttp-b34516494fb211bd.rlib" "/opt/crater/target/debug/deps/libitoa-78d333a119156c7a.rlib" "/opt/crater/target/debug/deps/libfnv-9c46c9dc8e117f05.rlib" "/opt/crater/target/debug/deps/libfutures_cpupool-69c042666f7f3d63.rlib" "/opt/crater/target/debug/deps/libnum_cpus-148ec180fc4ec8ac.rlib" "/opt/crater/target/debug/deps/libcookie-499ba81ec5ada645.rlib" "/opt/crater/target/debug/deps/libbase64-8135faa550b07f55.rlib" "/opt/crater/target/debug/deps/libsafemem-d52eb1c63fc65a7a.rlib" "/opt/crater/target/debug/deps/libring-68af8f004e0e926c.rlib" "/opt/crater/target/debug/deps/libuntrusted-203cd0921ba5a7bc.rlib" "/opt/crater/target/debug/deps/liburl-67c75c6c04d1f331.rlib" "/opt/crater/target/debug/deps/libencoding-6b8dd5ea4cb27bd5.rlib" "/opt/crater/target/debug/deps/libencoding_index_tradchinese-1131a16f0f98b3fe.rlib" "/opt/crater/target/debug/deps/libencoding_index_simpchinese-3f1e54dd83c60324.rlib" "/opt/crater/target/debug/deps/libencoding_index_japanese-658f338d0fb6ac8d.rlib" "/opt/crater/target/debug/deps/libencoding_index_korean-f69bdce4439b48dd.rlib" "/opt/crater/target/debug/deps/libencoding_index_singlebyte-3c524629977f3b84.rlib" "/opt/crater/target/debug/deps/libpercent_encoding-880723daba293888.rlib" "/opt/crater/target/debug/deps/libidna-b140caa2a5db54a1.rlib" "/opt/crater/target/debug/deps/libunicode_normalization-0720c0714a39e197.rlib" "/opt/crater/target/debug/deps/libunicode_bidi-c4ef84e7768feceb.rlib" "/opt/crater/target/debug/deps/libmatches-4743b9188552617d.rlib" "/opt/crater/target/debug/deps/libfutures-a86a3e74af19c95f.rlib" "/opt/crater/target/debug/deps/libfailure-d37888d9d2baad07.rlib" "/opt/crater/target/debug/deps/libbacktrace-0cc64cd3d12ad9e8.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-ac3c78f9b0cc92ef.rlib" "/opt/crater/target/debug/deps/librustc_demangle-ae4778049b91871b.rlib" "/opt/crater/target/debug/deps/libbitflags-e31ad08aaa94ea6a.rlib" "/opt/crater/target/debug/deps/libtime-a841432761735d5b.rlib" "/opt/crater/target/debug/deps/libsha1-61ab8b7d885a22d2.rlib" "/opt/crater/target/debug/deps/libregex-3f37f86acecfd2d1.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-9a5c837df053934e.rlib" "/opt/crater/target/debug/deps/libregex_syntax-043cac4db031e798.rlib" "/opt/crater/target/debug/deps/libucd_util-764be33a5792116c.rlib" "/opt/crater/target/debug/deps/libthread_local-16f8d52a4ba36763.rlib" "/opt/crater/target/debug/deps/liblazy_static-6758b07bea2a83cb.rlib" "/opt/crater/target/debug/deps/libaho_corasick-97361669f7b64756.rlib" "/opt/crater/target/debug/deps/libmemchr-0fca004536bb1a00.rlib" "/opt/crater/target/debug/deps/libbytes-fc9d79975f1c2923.rlib" "/opt/crater/target/debug/deps/libiovec-9f8fc7919380755e.rlib" "/opt/crater/target/debug/deps/liblibc-abede86d598dbe6d.rlib" "/opt/crater/target/debug/deps/libbase64-c7b6dcaa1f8c8f9e.rlib" "/opt/crater/target/debug/deps/libbyteorder-cbd6594c6e958d4b.rlib" "/opt/crater/target/debug/deps/liblog-3b5711445cfef0bd.rlib" "/opt/crater/target/debug/deps/libcfg_if-c1938f77dc3c8b6e.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a80a1e8e09cafef8.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e0e6351da805c468.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e04f54bafc95e331.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-67901d3322495bd5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-bd390b1abaceaec1.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-312dd37fdc7bedfc.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8ed0e51d58d644a3.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-8a423c320a6c707f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d6a95598e2238263.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d231614b153016eb.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3821619027f463e4.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-1cfd794d18771a44.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-dcf33cf10c2452ef.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-c258fea34bf64bce.rlib" "-Wl,-Bdynamic" "-lwkhtmltox" "-lwkhtmltox" "-lssl" "-lcrypto" "-lz" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lwkhtmltox
[INFO] [stderr]           /usr/bin/ld: cannot find -lwkhtmltox
[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 `core`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c5d1cdcdaa4f82a680eca812c3e57145226834f0d86641c36d97b504bda6d757"`
[INFO] running `"docker" "rm" "-f" "c5d1cdcdaa4f82a680eca812c3e57145226834f0d86641c36d97b504bda6d757"`
[INFO] [stdout] c5d1cdcdaa4f82a680eca812c3e57145226834f0d86641c36d97b504bda6d757