[INFO] updating cached repository rust-lang-nursery/mdBook [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/rust-lang-nursery/mdBook [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/rust-lang-nursery/mdBook" "work/ex/beta-1.37-6/sources/1.36.0/gh/rust-lang-nursery/mdBook"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/rust-lang-nursery/mdBook'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/rust-lang-nursery/mdBook" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rust-lang-nursery/mdBook"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rust-lang-nursery/mdBook'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a655d5d2419d314003c12047c41685f5de5d68ff [INFO] sha for GitHub repo rust-lang-nursery/mdBook: a655d5d2419d314003c12047c41685f5de5d68ff [INFO] validating manifest of rust-lang-nursery/mdBook 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 rust-lang-nursery/mdBook 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 rust-lang-nursery/mdBook [INFO] finished frobbing rust-lang-nursery/mdBook [INFO] frobbed toml for rust-lang-nursery/mdBook written to work/ex/beta-1.37-6/sources/1.36.0/gh/rust-lang-nursery/mdBook/Cargo.toml [INFO] started frobbing rust-lang-nursery/mdBook [INFO] finished frobbing rust-lang-nursery/mdBook [INFO] frobbed toml for rust-lang-nursery/mdBook written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rust-lang-nursery/mdBook/Cargo.toml [INFO] crate rust-lang-nursery/mdBook 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 rust-lang-nursery/mdBook 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-3/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/rust-lang-nursery/mdBook:/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] d31fafaa41951c1d59a459aaeae8eb5d03398fba35e66bb68adda0f4252dd06f [INFO] running `"docker" "start" "-a" "d31fafaa41951c1d59a459aaeae8eb5d03398fba35e66bb68adda0f4252dd06f"` [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling pulldown-cmark v0.1.2 [INFO] [stderr] Compiling filetime v0.2.5 [INFO] [stderr] Compiling toml v0.5.1 [INFO] [stderr] Compiling mio v0.6.18 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling inotify v0.6.1 [INFO] [stderr] Compiling hyper v0.10.16 [INFO] [stderr] Compiling tempfile v3.0.8 [INFO] [stderr] Compiling chrono v0.4.6 [INFO] [stderr] Compiling sha-1 v0.8.1 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling mime_guess v1.8.7 [INFO] [stderr] Compiling mio-extras v2.0.5 [INFO] [stderr] Compiling ws v0.8.1 [INFO] [stderr] Compiling notify v4.0.12 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling iron v0.6.0 [INFO] [stderr] Compiling mount v0.4.0 [INFO] [stderr] Compiling staticfile v0.5.0 [INFO] [stderr] Compiling serde_derive v1.0.91 [INFO] [stderr] Compiling darling_core v0.8.6 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling html5ever v0.23.0 [INFO] [stderr] Compiling pest_generator v2.1.0 [INFO] [stderr] Compiling strum_macros v0.11.0 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling handlebars v1.1.0 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling darling_macro v0.8.6 [INFO] [stderr] Compiling darling v0.8.6 [INFO] [stderr] Compiling toml-query_derive v0.9.0 [INFO] [stderr] Compiling markup5ever v0.8.1 [INFO] [stderr] Compiling elasticlunr-rs v2.3.4 [INFO] [stderr] Compiling toml-query v0.9.0 [INFO] [stderr] Compiling ammonia v2.1.1 [INFO] [stderr] Compiling mdbook v0.2.4-alpha.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 48s [INFO] running `"docker" "inspect" "d31fafaa41951c1d59a459aaeae8eb5d03398fba35e66bb68adda0f4252dd06f"` [INFO] running `"docker" "rm" "-f" "d31fafaa41951c1d59a459aaeae8eb5d03398fba35e66bb68adda0f4252dd06f"` [INFO] [stdout] d31fafaa41951c1d59a459aaeae8eb5d03398fba35e66bb68adda0f4252dd06f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/rust-lang-nursery/mdBook:/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] 85902eb111a71159327f1bb5d052c17cc8b79e0376aabf4c0069c4387a5a03ab [INFO] running `"docker" "start" "-a" "85902eb111a71159327f1bb5d052c17cc8b79e0376aabf4c0069c4387a5a03ab"` [INFO] [stderr] Compiling pretty_assertions v0.6.1 [INFO] [stderr] Compiling pulldown-cmark-to-cmark v1.1.0 [INFO] [stderr] Compiling string_cache v0.6.2 [INFO] [stderr] Compiling markup5ever v0.3.2 [INFO] [stderr] Compiling html5ever v0.18.0 [INFO] [stderr] Compiling select v0.4.2 [INFO] [stderr] Compiling mdbook v0.2.4-alpha.0 (/opt/crater/workdir) [INFO] [stderr] error: Could not compile `mdbook`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --edition=2018 --crate-name nop_preprocessor examples/nop-preprocessor.rs --color never --crate-type bin --emit=dep-info,link -C debuginfo=2 --cfg 'feature="ammonia"' --cfg 'feature="default"' --cfg 'feature="elasticlunr-rs"' --cfg 'feature="iron"' --cfg 'feature="notify"' --cfg 'feature="output"' --cfg 'feature="search"' --cfg 'feature="serve"' --cfg 'feature="staticfile"' --cfg 'feature="watch"' --cfg 'feature="ws"' -C metadata=164f17858dc52508 -C extra-filename=-164f17858dc52508 --out-dir /opt/crater/target/debug/examples -L dependency=/opt/crater/target/debug/deps --extern ammonia=/opt/crater/target/debug/deps/libammonia-e832dc38aaf84505.rlib --extern chrono=/opt/crater/target/debug/deps/libchrono-59ed98e9435557a8.rlib --extern clap=/opt/crater/target/debug/deps/libclap-bbf7168566673312.rlib --extern elasticlunr=/opt/crater/target/debug/deps/libelasticlunr-27049c9104ccc2e1.rlib --extern env_logger=/opt/crater/target/debug/deps/libenv_logger-98e165208bacdca6.rlib --extern error_chain=/opt/crater/target/debug/deps/liberror_chain-812c9462c748ef1e.rlib --extern handlebars=/opt/crater/target/debug/deps/libhandlebars-a3eb70214ceae3d5.rlib --extern iron=/opt/crater/target/debug/deps/libiron-43db07f219454072.rlib --extern itertools=/opt/crater/target/debug/deps/libitertools-0f3b2e1a480bd495.rlib --extern lazy_static=/opt/crater/target/debug/deps/liblazy_static-6a4e8ea56a445919.rlib --extern log=/opt/crater/target/debug/deps/liblog-181e1718e3bc0d95.rlib --extern mdbook=/opt/crater/target/debug/deps/libmdbook-c8880199d5ffcd14.rlib --extern memchr=/opt/crater/target/debug/deps/libmemchr-68618f5f352deb4e.rlib --extern notify=/opt/crater/target/debug/deps/libnotify-7a1ed84be7a5c4c4.rlib --extern open=/opt/crater/target/debug/deps/libopen-a27b390a58028580.rlib --extern pretty_assertions=/opt/crater/target/debug/deps/libpretty_assertions-d1e82219956befb0.rlib --extern pulldown_cmark=/opt/crater/target/debug/deps/libpulldown_cmark-dbb2da7c29383a67.rlib --extern pulldown_cmark_to_cmark=/opt/crater/target/debug/deps/libpulldown_cmark_to_cmark-c175b6ebbcd09d1f.rlib --extern regex=/opt/crater/target/debug/deps/libregex-7d64e681b51b764b.rlib --extern select=/opt/crater/target/debug/deps/libselect-3faad8b48d97c148.rlib --extern serde=/opt/crater/target/debug/deps/libserde-d4a10aec3452ff7a.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-4e836a1278f51750.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-b3b2c662f69eee29.rlib --extern shlex=/opt/crater/target/debug/deps/libshlex-6cbf3f204e73449f.rlib --extern staticfile=/opt/crater/target/debug/deps/libstaticfile-d5b0c59ef274e0c9.rlib --extern tempfile=/opt/crater/target/debug/deps/libtempfile-55f534f383d7a003.rlib --extern toml=/opt/crater/target/debug/deps/libtoml-630d730c9bc9ee50.rlib --extern toml_query=/opt/crater/target/debug/deps/libtoml_query-e14a6c9b4dbb8f40.rlib --extern walkdir=/opt/crater/target/debug/deps/libwalkdir-467261f2ddddceb2.rlib --extern ws=/opt/crater/target/debug/deps/libws-6aa4418e8080a20e.rlib --cap-lints=warn -L native=/opt/crater/target/debug/build/backtrace-sys-27ec4ddc596565f0/out` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/init-4dee187c56ffa8d8.init.5u9x5zj5-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/init-4dee187c56ffa8d8.init.5u9x5zj5-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/init-4dee187c56ffa8d8.init.5u9x5zj5-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/init-4dee187c56ffa8d8.init.5u9x5zj5-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/init-4dee187c56ffa8d8.init.5u9x5zj5-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/init-4dee187c56ffa8d8.init.5u9x5zj5-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/init-4dee187c56ffa8d8.init.5u9x5zj5-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/init-4dee187c56ffa8d8.init.5u9x5zj5-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/init-4dee187c56ffa8d8.init.5u9x5zj5-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/init-4dee187c56ffa8d8.init.5u9x5zj5-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/init-4dee187c56ffa8d8.init.5u9x5zj5-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/init-4dee187c56ffa8d8.init.5u9x5zj5-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/init-4dee187c56ffa8d8.init.5u9x5zj5-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/init-4dee187c56ffa8d8.init.5u9x5zj5-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/init-4dee187c56ffa8d8.init.5u9x5zj5-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/init-4dee187c56ffa8d8.init.5u9x5zj5-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/init-4dee187c56ffa8d8" "/opt/crater/target/debug/deps/init-4dee187c56ffa8d8.vu6mmvh5pc3phbh.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-27ec4ddc596565f0/out" "-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/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-7d9df032c0eb8a14.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-77300aa0d630d98f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-4d48ca12b265d456.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-8869eee15acf0f54.rlib" "/opt/crater/target/debug/deps/libmdbook-c8880199d5ffcd14.rlib" "/opt/crater/target/debug/deps/libammonia-e832dc38aaf84505.rlib" "/opt/crater/target/debug/deps/liburl-7ece553acf52ff93.rlib" "/opt/crater/target/debug/deps/libpercent_encoding-880723daba293888.rlib" "/opt/crater/target/debug/deps/libidna-31b6c669ee1f3956.rlib" "/opt/crater/target/debug/deps/libunicode_normalization-5b90e6ea1e4640f5.rlib" "/opt/crater/target/debug/deps/libsmallvec-e0c425bf1f7f0c71.rlib" "/opt/crater/target/debug/deps/libunicode_bidi-c4ef84e7768feceb.rlib" "/opt/crater/target/debug/deps/libmatches-4743b9188552617d.rlib" "/opt/crater/target/debug/deps/libmaplit-b1ac42c0ec6f0c7b.rlib" "/opt/crater/target/debug/deps/libhtml5ever-083d55aebed61113.rlib" "/opt/crater/target/debug/deps/libmarkup5ever-e5486fc5bcb1b177.rlib" "/opt/crater/target/debug/deps/libtendril-46b0deea8b55886a.rlib" "/opt/crater/target/debug/deps/libutf8-eb6a90458c5dd7bb.rlib" "/opt/crater/target/debug/deps/libfutf-12dede429a1aebcf.rlib" "/opt/crater/target/debug/deps/libmac-fff283b23e4c0c75.rlib" "/opt/crater/target/debug/deps/libstring_cache-04180adb9515701b.rlib" "/opt/crater/target/debug/deps/libstring_cache_shared-9653b778730dced9.rlib" "/opt/crater/target/debug/deps/libprecomputed_hash-9b9a236d3fd1b096.rlib" "/opt/crater/target/debug/deps/libdebug_unreachable-53c6bc21f0d3050e.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/libitertools-0f3b2e1a480bd495.rlib" "/opt/crater/target/debug/deps/libeither-09ec7c1188b8d0d0.rlib" "/opt/crater/target/debug/deps/libelasticlunr-27049c9104ccc2e1.rlib" "/opt/crater/target/debug/deps/libstrum-b76e34342b59531a.rlib" "/opt/crater/target/debug/deps/libhandlebars-a3eb70214ceae3d5.rlib" "/opt/crater/target/debug/deps/libquick_error-7d23d7c8e4749989.rlib" "/opt/crater/target/debug/deps/libpest-fed87f75e59aaef0.rlib" "/opt/crater/target/debug/deps/libucd_trie-a8a7922a2fa70fd5.rlib" "/opt/crater/target/debug/deps/libshlex-6cbf3f204e73449f.rlib" "/opt/crater/target/debug/deps/libtoml_query-e14a6c9b4dbb8f40.rlib" "/opt/crater/target/debug/deps/libregex-7d64e681b51b764b.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-9a5c837df053934e.rlib" "/opt/crater/target/debug/deps/libregex_syntax-ad87e4e581846ea2.rlib" "/opt/crater/target/debug/deps/libucd_util-764be33a5792116c.rlib" "/opt/crater/target/debug/deps/libthread_local-1060038c0757fbc7.rlib" "/opt/crater/target/debug/deps/libaho_corasick-e0797337cb81be2c.rlib" "/opt/crater/target/debug/deps/libfailure-d55466513f954456.rlib" "/opt/crater/target/debug/deps/libis_match-dcb5c66106acb263.rlib" "/opt/crater/target/debug/deps/libtoml-630d730c9bc9ee50.rlib" "/opt/crater/target/debug/deps/libtempfile-55f534f383d7a003.rlib" "/opt/crater/target/debug/deps/libremove_dir_all-ad0d98d254b1ad2b.rlib" "/opt/crater/target/debug/deps/librand-a1d7b8a147ce48ee.rlib" "/opt/crater/target/debug/deps/librand_xorshift-5e391b21601b8393.rlib" "/opt/crater/target/debug/deps/librand_pcg-569da70b9707a4e4.rlib" "/opt/crater/target/debug/deps/librand_hc-8d037a8bb74cc960.rlib" "/opt/crater/target/debug/deps/librand_chacha-e0df01830eb2547c.rlib" "/opt/crater/target/debug/deps/librand_isaac-8a1220a5cdc55703.rlib" "/opt/crater/target/debug/deps/librand_core-5af554ddf81cd17c.rlib" "/opt/crater/target/debug/deps/librand_os-a39ccab9cc8506ef.rlib" "/opt/crater/target/debug/deps/librand_jitter-162e89fc4f3652f5.rlib" "/opt/crater/target/debug/deps/librand_core-4c9a550ae16dbf0f.rlib" "/opt/crater/target/debug/deps/libpulldown_cmark-dbb2da7c29383a67.rlib" "/opt/crater/target/debug/deps/libbitflags-3e0496368fb8d844.rlib" "/opt/crater/target/debug/deps/libmemchr-68618f5f352deb4e.rlib" "/opt/crater/target/debug/deps/libserde_json-b3b2c662f69eee29.rlib" "/opt/crater/target/debug/deps/libryu-4fe4f189da03b219.rlib" "/opt/crater/target/debug/deps/libitoa-97a946ec35c116e9.rlib" "/opt/crater/target/debug/deps/libserde-d4a10aec3452ff7a.rlib" "/opt/crater/target/debug/deps/liblog-181e1718e3bc0d95.rlib" "/opt/crater/target/debug/deps/liblazy_static-6a4e8ea56a445919.rlib" "/opt/crater/target/debug/deps/liberror_chain-812c9462c748ef1e.rlib" "/opt/crater/target/debug/deps/libbacktrace-09fd28583581e35c.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-1123c5307b7c0b3e.rlib" "/opt/crater/target/debug/deps/librustc_demangle-a584f151e8a55823.rlib" "/opt/crater/target/debug/deps/libcfg_if-17244d8fcea476bd.rlib" "/opt/crater/target/debug/deps/liblibc-8a1f63d489655554.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" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" [INFO] [stderr] = note: 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 `mdbook`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/parse_existing_summary_files-e80ca1c3ac137137.parse_existing_summary_files.8btnb1tn-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/parse_existing_summary_files-e80ca1c3ac137137.parse_existing_summary_files.8btnb1tn-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/parse_existing_summary_files-e80ca1c3ac137137.parse_existing_summary_files.8btnb1tn-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/parse_existing_summary_files-e80ca1c3ac137137.parse_existing_summary_files.8btnb1tn-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/parse_existing_summary_files-e80ca1c3ac137137.parse_existing_summary_files.8btnb1tn-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/parse_existing_summary_files-e80ca1c3ac137137.parse_existing_summary_files.8btnb1tn-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/parse_existing_summary_files-e80ca1c3ac137137.parse_existing_summary_files.8btnb1tn-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/parse_existing_summary_files-e80ca1c3ac137137.parse_existing_summary_files.8btnb1tn-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/parse_existing_summary_files-e80ca1c3ac137137.parse_existing_summary_files.8btnb1tn-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/parse_existing_summary_files-e80ca1c3ac137137.parse_existing_summary_files.8btnb1tn-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/parse_existing_summary_files-e80ca1c3ac137137.parse_existing_summary_files.8btnb1tn-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/parse_existing_summary_files-e80ca1c3ac137137.parse_existing_summary_files.8btnb1tn-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/parse_existing_summary_files-e80ca1c3ac137137" "/opt/crater/target/debug/deps/parse_existing_summary_files-e80ca1c3ac137137.1rhavlehe3mipe4b.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-27ec4ddc596565f0/out" "-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-98e165208bacdca6.rlib" "/opt/crater/target/debug/deps/libatty-58d1e5df0e7bceac.rlib" "/opt/crater/target/debug/deps/libhumantime-39d793d15deb41e2.rlib" "/opt/crater/target/debug/deps/libtermcolor-1e2ba7007c03c9ea.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-7d9df032c0eb8a14.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-77300aa0d630d98f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-4d48ca12b265d456.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-8869eee15acf0f54.rlib" "/opt/crater/target/debug/deps/libmdbook-c8880199d5ffcd14.rlib" "/opt/crater/target/debug/deps/libammonia-e832dc38aaf84505.rlib" "/opt/crater/target/debug/deps/liburl-7ece553acf52ff93.rlib" "/opt/crater/target/debug/deps/libpercent_encoding-880723daba293888.rlib" "/opt/crater/target/debug/deps/libidna-31b6c669ee1f3956.rlib" "/opt/crater/target/debug/deps/libunicode_normalization-5b90e6ea1e4640f5.rlib" "/opt/crater/target/debug/deps/libsmallvec-e0c425bf1f7f0c71.rlib" "/opt/crater/target/debug/deps/libunicode_bidi-c4ef84e7768feceb.rlib" "/opt/crater/target/debug/deps/libmatches-4743b9188552617d.rlib" "/opt/crater/target/debug/deps/libmaplit-b1ac42c0ec6f0c7b.rlib" "/opt/crater/target/debug/deps/libhtml5ever-083d55aebed61113.rlib" "/opt/crater/target/debug/deps/libmarkup5ever-e5486fc5bcb1b177.rlib" "/opt/crater/target/debug/deps/libtendril-46b0deea8b55886a.rlib" "/opt/crater/target/debug/deps/libutf8-eb6a90458c5dd7bb.rlib" "/opt/crater/target/debug/deps/libfutf-12dede429a1aebcf.rlib" "/opt/crater/target/debug/deps/libmac-fff283b23e4c0c75.rlib" "/opt/crater/target/debug/deps/libstring_cache-04180adb9515701b.rlib" "/opt/crater/target/debug/deps/libstring_cache_shared-9653b778730dced9.rlib" "/opt/crater/target/debug/deps/libprecomputed_hash-9b9a236d3fd1b096.rlib" "/opt/crater/target/debug/deps/libdebug_unreachable-53c6bc21f0d3050e.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/libitertools-0f3b2e1a480bd495.rlib" "/opt/crater/target/debug/deps/libeither-09ec7c1188b8d0d0.rlib" "/opt/crater/target/debug/deps/libelasticlunr-27049c9104ccc2e1.rlib" "/opt/crater/target/debug/deps/libstrum-b76e34342b59531a.rlib" "/opt/crater/target/debug/deps/libhandlebars-a3eb70214ceae3d5.rlib" "/opt/crater/target/debug/deps/libquick_error-7d23d7c8e4749989.rlib" "/opt/crater/target/debug/deps/libpest-fed87f75e59aaef0.rlib" "/opt/crater/target/debug/deps/libucd_trie-a8a7922a2fa70fd5.rlib" "/opt/crater/target/debug/deps/libshlex-6cbf3f204e73449f.rlib" "/opt/crater/target/debug/deps/libtoml_query-e14a6c9b4dbb8f40.rlib" "/opt/crater/target/debug/deps/libregex-7d64e681b51b764b.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-9a5c837df053934e.rlib" "/opt/crater/target/debug/deps/libregex_syntax-ad87e4e581846ea2.rlib" "/opt/crater/target/debug/deps/libucd_util-764be33a5792116c.rlib" "/opt/crater/target/debug/deps/libthread_local-1060038c0757fbc7.rlib" "/opt/crater/target/debug/deps/libaho_corasick-e0797337cb81be2c.rlib" "/opt/crater/target/debug/deps/libfailure-d55466513f954456.rlib" "/opt/crater/target/debug/deps/libis_match-dcb5c66106acb263.rlib" "/opt/crater/target/debug/deps/libtoml-630d730c9bc9ee50.rlib" "/opt/crater/target/debug/deps/libtempfile-55f534f383d7a003.rlib" "/opt/crater/target/debug/deps/libremove_dir_all-ad0d98d254b1ad2b.rlib" "/opt/crater/target/debug/deps/librand-a1d7b8a147ce48ee.rlib" "/opt/crater/target/debug/deps/librand_xorshift-5e391b21601b8393.rlib" "/opt/crater/target/debug/deps/librand_pcg-569da70b9707a4e4.rlib" "/opt/crater/target/debug/deps/librand_hc-8d037a8bb74cc960.rlib" "/opt/crater/target/debug/deps/librand_chacha-e0df01830eb2547c.rlib" "/opt/crater/target/debug/deps/librand_isaac-8a1220a5cdc55703.rlib" "/opt/crater/target/debug/deps/librand_core-5af554ddf81cd17c.rlib" "/opt/crater/target/debug/deps/librand_os-a39ccab9cc8506ef.rlib" "/opt/crater/target/debug/deps/librand_jitter-162e89fc4f3652f5.rlib" "/opt/crater/target/debug/deps/librand_core-4c9a550ae16dbf0f.rlib" "/opt/crater/target/debug/deps/libpulldown_cmark-dbb2da7c29383a67.rlib" "/opt/crater/target/debug/deps/libbitflags-3e0496368fb8d844.rlib" "/opt/crater/target/debug/deps/libmemchr-68618f5f352deb4e.rlib" "/opt/crater/target/debug/deps/libserde_json-b3b2c662f69eee29.rlib" "/opt/crater/target/debug/deps/libryu-4fe4f189da03b219.rlib" "/opt/crater/target/debug/deps/libitoa-97a946ec35c116e9.rlib" "/opt/crater/target/debug/deps/libserde-d4a10aec3452ff7a.rlib" "/opt/crater/target/debug/deps/liblog-181e1718e3bc0d95.rlib" "/opt/crater/target/debug/deps/liblazy_static-6a4e8ea56a445919.rlib" "/opt/crater/target/debug/deps/liberror_chain-812c9462c748ef1e.rlib" "/opt/crater/target/debug/deps/libbacktrace-09fd28583581e35c.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-1123c5307b7c0b3e.rlib" "/opt/crater/target/debug/deps/librustc_demangle-a584f151e8a55823.rlib" "/opt/crater/target/debug/deps/libcfg_if-17244d8fcea476bd.rlib" "/opt/crater/target/debug/deps/liblibc-8a1f63d489655554.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" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" [INFO] [stderr] = note: 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 `mdbook`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: Could not compile `mdbook`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --edition=2018 --crate-name rendered_output tests/rendered_output.rs --color never --emit=dep-info,link -C debuginfo=2 --test --cfg 'feature="ammonia"' --cfg 'feature="default"' --cfg 'feature="elasticlunr-rs"' --cfg 'feature="iron"' --cfg 'feature="notify"' --cfg 'feature="output"' --cfg 'feature="search"' --cfg 'feature="serve"' --cfg 'feature="staticfile"' --cfg 'feature="watch"' --cfg 'feature="ws"' -C metadata=d4d2f46490cf39b3 -C extra-filename=-d4d2f46490cf39b3 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern ammonia=/opt/crater/target/debug/deps/libammonia-e832dc38aaf84505.rlib --extern chrono=/opt/crater/target/debug/deps/libchrono-59ed98e9435557a8.rlib --extern clap=/opt/crater/target/debug/deps/libclap-bbf7168566673312.rlib --extern elasticlunr=/opt/crater/target/debug/deps/libelasticlunr-27049c9104ccc2e1.rlib --extern env_logger=/opt/crater/target/debug/deps/libenv_logger-98e165208bacdca6.rlib --extern error_chain=/opt/crater/target/debug/deps/liberror_chain-812c9462c748ef1e.rlib --extern handlebars=/opt/crater/target/debug/deps/libhandlebars-a3eb70214ceae3d5.rlib --extern iron=/opt/crater/target/debug/deps/libiron-43db07f219454072.rlib --extern itertools=/opt/crater/target/debug/deps/libitertools-0f3b2e1a480bd495.rlib --extern lazy_static=/opt/crater/target/debug/deps/liblazy_static-6a4e8ea56a445919.rlib --extern log=/opt/crater/target/debug/deps/liblog-181e1718e3bc0d95.rlib --extern mdbook=/opt/crater/target/debug/deps/libmdbook-c8880199d5ffcd14.rlib --extern memchr=/opt/crater/target/debug/deps/libmemchr-68618f5f352deb4e.rlib --extern notify=/opt/crater/target/debug/deps/libnotify-7a1ed84be7a5c4c4.rlib --extern open=/opt/crater/target/debug/deps/libopen-a27b390a58028580.rlib --extern pretty_assertions=/opt/crater/target/debug/deps/libpretty_assertions-d1e82219956befb0.rlib --extern pulldown_cmark=/opt/crater/target/debug/deps/libpulldown_cmark-dbb2da7c29383a67.rlib --extern pulldown_cmark_to_cmark=/opt/crater/target/debug/deps/libpulldown_cmark_to_cmark-c175b6ebbcd09d1f.rlib --extern regex=/opt/crater/target/debug/deps/libregex-7d64e681b51b764b.rlib --extern select=/opt/crater/target/debug/deps/libselect-3faad8b48d97c148.rlib --extern serde=/opt/crater/target/debug/deps/libserde-d4a10aec3452ff7a.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-4e836a1278f51750.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-b3b2c662f69eee29.rlib --extern shlex=/opt/crater/target/debug/deps/libshlex-6cbf3f204e73449f.rlib --extern staticfile=/opt/crater/target/debug/deps/libstaticfile-d5b0c59ef274e0c9.rlib --extern tempfile=/opt/crater/target/debug/deps/libtempfile-55f534f383d7a003.rlib --extern toml=/opt/crater/target/debug/deps/libtoml-630d730c9bc9ee50.rlib --extern toml_query=/opt/crater/target/debug/deps/libtoml_query-e14a6c9b4dbb8f40.rlib --extern walkdir=/opt/crater/target/debug/deps/libwalkdir-467261f2ddddceb2.rlib --extern ws=/opt/crater/target/debug/deps/libws-6aa4418e8080a20e.rlib --cap-lints=warn -L native=/opt/crater/target/debug/build/backtrace-sys-27ec4ddc596565f0/out` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/alternative_backends-0bf0386b2f398f93.alternative_backends.6d8gzpfu-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/alternative_backends-0bf0386b2f398f93.alternative_backends.6d8gzpfu-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/alternative_backends-0bf0386b2f398f93.alternative_backends.6d8gzpfu-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/alternative_backends-0bf0386b2f398f93.alternative_backends.6d8gzpfu-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/alternative_backends-0bf0386b2f398f93.alternative_backends.6d8gzpfu-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/alternative_backends-0bf0386b2f398f93.alternative_backends.6d8gzpfu-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/alternative_backends-0bf0386b2f398f93.alternative_backends.6d8gzpfu-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/alternative_backends-0bf0386b2f398f93.alternative_backends.6d8gzpfu-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/alternative_backends-0bf0386b2f398f93.alternative_backends.6d8gzpfu-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/alternative_backends-0bf0386b2f398f93.alternative_backends.6d8gzpfu-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/alternative_backends-0bf0386b2f398f93.alternative_backends.6d8gzpfu-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/alternative_backends-0bf0386b2f398f93.alternative_backends.6d8gzpfu-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/alternative_backends-0bf0386b2f398f93.alternative_backends.6d8gzpfu-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/alternative_backends-0bf0386b2f398f93.alternative_backends.6d8gzpfu-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/alternative_backends-0bf0386b2f398f93.alternative_backends.6d8gzpfu-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/alternative_backends-0bf0386b2f398f93.alternative_backends.6d8gzpfu-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/alternative_backends-0bf0386b2f398f93" "/opt/crater/target/debug/deps/alternative_backends-0bf0386b2f398f93.58q14v710n2x10go.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-27ec4ddc596565f0/out" "-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/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-7d9df032c0eb8a14.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-77300aa0d630d98f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-4d48ca12b265d456.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-8869eee15acf0f54.rlib" "/opt/crater/target/debug/deps/libmdbook-c8880199d5ffcd14.rlib" "/opt/crater/target/debug/deps/libammonia-e832dc38aaf84505.rlib" "/opt/crater/target/debug/deps/liburl-7ece553acf52ff93.rlib" "/opt/crater/target/debug/deps/libpercent_encoding-880723daba293888.rlib" "/opt/crater/target/debug/deps/libidna-31b6c669ee1f3956.rlib" "/opt/crater/target/debug/deps/libunicode_normalization-5b90e6ea1e4640f5.rlib" "/opt/crater/target/debug/deps/libsmallvec-e0c425bf1f7f0c71.rlib" "/opt/crater/target/debug/deps/libunicode_bidi-c4ef84e7768feceb.rlib" "/opt/crater/target/debug/deps/libmatches-4743b9188552617d.rlib" "/opt/crater/target/debug/deps/libmaplit-b1ac42c0ec6f0c7b.rlib" "/opt/crater/target/debug/deps/libhtml5ever-083d55aebed61113.rlib" "/opt/crater/target/debug/deps/libmarkup5ever-e5486fc5bcb1b177.rlib" "/opt/crater/target/debug/deps/libtendril-46b0deea8b55886a.rlib" "/opt/crater/target/debug/deps/libutf8-eb6a90458c5dd7bb.rlib" "/opt/crater/target/debug/deps/libfutf-12dede429a1aebcf.rlib" "/opt/crater/target/debug/deps/libmac-fff283b23e4c0c75.rlib" "/opt/crater/target/debug/deps/libstring_cache-04180adb9515701b.rlib" "/opt/crater/target/debug/deps/libstring_cache_shared-9653b778730dced9.rlib" "/opt/crater/target/debug/deps/libprecomputed_hash-9b9a236d3fd1b096.rlib" "/opt/crater/target/debug/deps/libdebug_unreachable-53c6bc21f0d3050e.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/libitertools-0f3b2e1a480bd495.rlib" "/opt/crater/target/debug/deps/libeither-09ec7c1188b8d0d0.rlib" "/opt/crater/target/debug/deps/libelasticlunr-27049c9104ccc2e1.rlib" "/opt/crater/target/debug/deps/libstrum-b76e34342b59531a.rlib" "/opt/crater/target/debug/deps/libhandlebars-a3eb70214ceae3d5.rlib" "/opt/crater/target/debug/deps/libquick_error-7d23d7c8e4749989.rlib" "/opt/crater/target/debug/deps/libpest-fed87f75e59aaef0.rlib" "/opt/crater/target/debug/deps/libucd_trie-a8a7922a2fa70fd5.rlib" "/opt/crater/target/debug/deps/libshlex-6cbf3f204e73449f.rlib" "/opt/crater/target/debug/deps/libtoml_query-e14a6c9b4dbb8f40.rlib" "/opt/crater/target/debug/deps/libregex-7d64e681b51b764b.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-9a5c837df053934e.rlib" "/opt/crater/target/debug/deps/libregex_syntax-ad87e4e581846ea2.rlib" "/opt/crater/target/debug/deps/libucd_util-764be33a5792116c.rlib" "/opt/crater/target/debug/deps/libthread_local-1060038c0757fbc7.rlib" "/opt/crater/target/debug/deps/libaho_corasick-e0797337cb81be2c.rlib" "/opt/crater/target/debug/deps/libfailure-d55466513f954456.rlib" "/opt/crater/target/debug/deps/libis_match-dcb5c66106acb263.rlib" "/opt/crater/target/debug/deps/libtoml-630d730c9bc9ee50.rlib" "/opt/crater/target/debug/deps/libtempfile-55f534f383d7a003.rlib" "/opt/crater/target/debug/deps/libremove_dir_all-ad0d98d254b1ad2b.rlib" "/opt/crater/target/debug/deps/librand-a1d7b8a147ce48ee.rlib" "/opt/crater/target/debug/deps/librand_xorshift-5e391b21601b8393.rlib" "/opt/crater/target/debug/deps/librand_pcg-569da70b9707a4e4.rlib" "/opt/crater/target/debug/deps/librand_hc-8d037a8bb74cc960.rlib" "/opt/crater/target/debug/deps/librand_chacha-e0df01830eb2547c.rlib" "/opt/crater/target/debug/deps/librand_isaac-8a1220a5cdc55703.rlib" "/opt/crater/target/debug/deps/librand_core-5af554ddf81cd17c.rlib" "/opt/crater/target/debug/deps/librand_os-a39ccab9cc8506ef.rlib" "/opt/crater/target/debug/deps/librand_jitter-162e89fc4f3652f5.rlib" "/opt/crater/target/debug/deps/librand_core-4c9a550ae16dbf0f.rlib" "/opt/crater/target/debug/deps/libpulldown_cmark-dbb2da7c29383a67.rlib" "/opt/crater/target/debug/deps/libbitflags-3e0496368fb8d844.rlib" "/opt/crater/target/debug/deps/libmemchr-68618f5f352deb4e.rlib" "/opt/crater/target/debug/deps/libserde_json-b3b2c662f69eee29.rlib" "/opt/crater/target/debug/deps/libryu-4fe4f189da03b219.rlib" "/opt/crater/target/debug/deps/libitoa-97a946ec35c116e9.rlib" "/opt/crater/target/debug/deps/libserde-d4a10aec3452ff7a.rlib" "/opt/crater/target/debug/deps/liblog-181e1718e3bc0d95.rlib" "/opt/crater/target/debug/deps/liblazy_static-6a4e8ea56a445919.rlib" "/opt/crater/target/debug/deps/liberror_chain-812c9462c748ef1e.rlib" "/opt/crater/target/debug/deps/libbacktrace-09fd28583581e35c.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-1123c5307b7c0b3e.rlib" "/opt/crater/target/debug/deps/librustc_demangle-a584f151e8a55823.rlib" "/opt/crater/target/debug/deps/libcfg_if-17244d8fcea476bd.rlib" "/opt/crater/target/debug/deps/liblibc-8a1f63d489655554.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" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" [INFO] [stderr] = note: /usr/bin/ld: BFD (GNU Binutils for Debian) 2.28 internal error, aborting at ../../bfd/elf64-x86-64.c:4731 in elf_x86_64_relocate_section [INFO] [stderr] [INFO] [stderr] /usr/bin/ld: Please report this bug. [INFO] [stderr] [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 `mdbook`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/testing-64979d3b88f3e256.testing.dr63g9vc-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/testing-64979d3b88f3e256.testing.dr63g9vc-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/testing-64979d3b88f3e256.testing.dr63g9vc-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/testing-64979d3b88f3e256.testing.dr63g9vc-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/testing-64979d3b88f3e256.testing.dr63g9vc-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/testing-64979d3b88f3e256.testing.dr63g9vc-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/testing-64979d3b88f3e256.testing.dr63g9vc-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/testing-64979d3b88f3e256.testing.dr63g9vc-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/testing-64979d3b88f3e256.testing.dr63g9vc-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/testing-64979d3b88f3e256.testing.dr63g9vc-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/testing-64979d3b88f3e256.testing.dr63g9vc-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/testing-64979d3b88f3e256.testing.dr63g9vc-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/testing-64979d3b88f3e256.testing.dr63g9vc-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/testing-64979d3b88f3e256.testing.dr63g9vc-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/testing-64979d3b88f3e256.testing.dr63g9vc-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/testing-64979d3b88f3e256.testing.dr63g9vc-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/testing-64979d3b88f3e256" "/opt/crater/target/debug/deps/testing-64979d3b88f3e256.4b8z0jzw2yice9m2.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-27ec4ddc596565f0/out" "-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/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-7d9df032c0eb8a14.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-77300aa0d630d98f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-4d48ca12b265d456.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-8869eee15acf0f54.rlib" "/opt/crater/target/debug/deps/libwalkdir-467261f2ddddceb2.rlib" "/opt/crater/target/debug/deps/libsame_file-8f492d48c8e73b57.rlib" "/opt/crater/target/debug/deps/libmdbook-c8880199d5ffcd14.rlib" "/opt/crater/target/debug/deps/libammonia-e832dc38aaf84505.rlib" "/opt/crater/target/debug/deps/liburl-7ece553acf52ff93.rlib" "/opt/crater/target/debug/deps/libpercent_encoding-880723daba293888.rlib" "/opt/crater/target/debug/deps/libidna-31b6c669ee1f3956.rlib" "/opt/crater/target/debug/deps/libunicode_normalization-5b90e6ea1e4640f5.rlib" "/opt/crater/target/debug/deps/libsmallvec-e0c425bf1f7f0c71.rlib" "/opt/crater/target/debug/deps/libunicode_bidi-c4ef84e7768feceb.rlib" "/opt/crater/target/debug/deps/libmatches-4743b9188552617d.rlib" "/opt/crater/target/debug/deps/libmaplit-b1ac42c0ec6f0c7b.rlib" "/opt/crater/target/debug/deps/libhtml5ever-083d55aebed61113.rlib" "/opt/crater/target/debug/deps/libmarkup5ever-e5486fc5bcb1b177.rlib" "/opt/crater/target/debug/deps/libtendril-46b0deea8b55886a.rlib" "/opt/crater/target/debug/deps/libutf8-eb6a90458c5dd7bb.rlib" "/opt/crater/target/debug/deps/libfutf-12dede429a1aebcf.rlib" "/opt/crater/target/debug/deps/libmac-fff283b23e4c0c75.rlib" "/opt/crater/target/debug/deps/libstring_cache-04180adb9515701b.rlib" "/opt/crater/target/debug/deps/libstring_cache_shared-9653b778730dced9.rlib" "/opt/crater/target/debug/deps/libprecomputed_hash-9b9a236d3fd1b096.rlib" "/opt/crater/target/debug/deps/libdebug_unreachable-53c6bc21f0d3050e.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/libitertools-0f3b2e1a480bd495.rlib" "/opt/crater/target/debug/deps/libeither-09ec7c1188b8d0d0.rlib" "/opt/crater/target/debug/deps/libelasticlunr-27049c9104ccc2e1.rlib" "/opt/crater/target/debug/deps/libstrum-b76e34342b59531a.rlib" "/opt/crater/target/debug/deps/libhandlebars-a3eb70214ceae3d5.rlib" "/opt/crater/target/debug/deps/libquick_error-7d23d7c8e4749989.rlib" "/opt/crater/target/debug/deps/libpest-fed87f75e59aaef0.rlib" "/opt/crater/target/debug/deps/libucd_trie-a8a7922a2fa70fd5.rlib" "/opt/crater/target/debug/deps/libshlex-6cbf3f204e73449f.rlib" "/opt/crater/target/debug/deps/libtoml_query-e14a6c9b4dbb8f40.rlib" "/opt/crater/target/debug/deps/libregex-7d64e681b51b764b.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-9a5c837df053934e.rlib" "/opt/crater/target/debug/deps/libregex_syntax-ad87e4e581846ea2.rlib" "/opt/crater/target/debug/deps/libucd_util-764be33a5792116c.rlib" "/opt/crater/target/debug/deps/libthread_local-1060038c0757fbc7.rlib" "/opt/crater/target/debug/deps/libaho_corasick-e0797337cb81be2c.rlib" "/opt/crater/target/debug/deps/libfailure-d55466513f954456.rlib" "/opt/crater/target/debug/deps/libis_match-dcb5c66106acb263.rlib" "/opt/crater/target/debug/deps/libtoml-630d730c9bc9ee50.rlib" "/opt/crater/target/debug/deps/libtempfile-55f534f383d7a003.rlib" "/opt/crater/target/debug/deps/libremove_dir_all-ad0d98d254b1ad2b.rlib" "/opt/crater/target/debug/deps/librand-a1d7b8a147ce48ee.rlib" "/opt/crater/target/debug/deps/librand_xorshift-5e391b21601b8393.rlib" "/opt/crater/target/debug/deps/librand_pcg-569da70b9707a4e4.rlib" "/opt/crater/target/debug/deps/librand_hc-8d037a8bb74cc960.rlib" "/opt/crater/target/debug/deps/librand_chacha-e0df01830eb2547c.rlib" "/opt/crater/target/debug/deps/librand_isaac-8a1220a5cdc55703.rlib" "/opt/crater/target/debug/deps/librand_core-5af554ddf81cd17c.rlib" "/opt/crater/target/debug/deps/librand_os-a39ccab9cc8506ef.rlib" "/opt/crater/target/debug/deps/librand_jitter-162e89fc4f3652f5.rlib" "/opt/crater/target/debug/deps/librand_core-4c9a550ae16dbf0f.rlib" "/opt/crater/target/debug/deps/libpulldown_cmark-dbb2da7c29383a67.rlib" "/opt/crater/target/debug/deps/libbitflags-3e0496368fb8d844.rlib" "/opt/crater/target/debug/deps/libmemchr-68618f5f352deb4e.rlib" "/opt/crater/target/debug/deps/libserde_json-b3b2c662f69eee29.rlib" "/opt/crater/target/debug/deps/libryu-4fe4f189da03b219.rlib" "/opt/crater/target/debug/deps/libitoa-97a946ec35c116e9.rlib" "/opt/crater/target/debug/deps/libserde-d4a10aec3452ff7a.rlib" "/opt/crater/target/debug/deps/liblog-181e1718e3bc0d95.rlib" "/opt/crater/target/debug/deps/liblazy_static-6a4e8ea56a445919.rlib" "/opt/crater/target/debug/deps/liberror_chain-812c9462c748ef1e.rlib" "/opt/crater/target/debug/deps/libbacktrace-09fd28583581e35c.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-1123c5307b7c0b3e.rlib" "/opt/crater/target/debug/deps/librustc_demangle-a584f151e8a55823.rlib" "/opt/crater/target/debug/deps/libcfg_if-17244d8fcea476bd.rlib" "/opt/crater/target/debug/deps/liblibc-8a1f63d489655554.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" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" [INFO] [stderr] = note: 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 `mdbook`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "85902eb111a71159327f1bb5d052c17cc8b79e0376aabf4c0069c4387a5a03ab"` [INFO] running `"docker" "rm" "-f" "85902eb111a71159327f1bb5d052c17cc8b79e0376aabf4c0069c4387a5a03ab"` [INFO] [stdout] 85902eb111a71159327f1bb5d052c17cc8b79e0376aabf4c0069c4387a5a03ab