[INFO] cloning repository https://github.com/schoenenberg/markdown-pdf-exporter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/schoenenberg/markdown-pdf-exporter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschoenenberg%2Fmarkdown-pdf-exporter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschoenenberg%2Fmarkdown-pdf-exporter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a41c34e44110298cdc7a40b3682351586ede5ff
[INFO] testing schoenenberg/markdown-pdf-exporter against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschoenenberg%2Fmarkdown-pdf-exporter" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/schoenenberg/markdown-pdf-exporter on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/schoenenberg/markdown-pdf-exporter
[INFO] finished tweaking git repo https://github.com/schoenenberg/markdown-pdf-exporter
[INFO] tweaked toml for git repo https://github.com/schoenenberg/markdown-pdf-exporter written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/schoenenberg/markdown-pdf-exporter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded comrak v0.7.0
[INFO] [stderr]   Downloaded wkhtmltox-sys v0.1.2
[INFO] [stderr]   Downloaded wkhtmltopdf v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c8f5085bc28a2d2ad39d4e8198f009e53a74aa28e4fc5a9e6ffd9610dea1e421
[INFO] running `Command { std: "docker" "start" "-a" "c8f5085bc28a2d2ad39d4e8198f009e53a74aa28e4fc5a9e6ffd9610dea1e421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8f5085bc28a2d2ad39d4e8198f009e53a74aa28e4fc5a9e6ffd9610dea1e421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8f5085bc28a2d2ad39d4e8198f009e53a74aa28e4fc5a9e6ffd9610dea1e421", kill_on_drop: false }`
[INFO] [stdout] c8f5085bc28a2d2ad39d4e8198f009e53a74aa28e4fc5a9e6ffd9610dea1e421
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5ec3b72d65ceae524927f7594f69ec31478fbb07fb3eaed1575ba5ddfd31a993
[INFO] running `Command { std: "docker" "start" "-a" "5ec3b72d65ceae524927f7594f69ec31478fbb07fb3eaed1575ba5ddfd31a993", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.16
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling wkhtmltox-sys v0.1.2
[INFO] [stderr]    Compiling entities v1.0.1
[INFO] [stderr]    Compiling twoway v0.2.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling wkhtmltopdf v0.3.0
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling pest_generator v2.1.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling comrak v0.7.0
[INFO] [stderr]    Compiling markdown_pdf_exporter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/markdown_pdf_exporter-bfab692c2bcbe9b0.markdown_pdf_exporter.b11aq4xn-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/markdown_pdf_exporter-bfab692c2bcbe9b0.markdown_pdf_exporter.b11aq4xn-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/markdown_pdf_exporter-bfab692c2bcbe9b0.markdown_pdf_exporter.b11aq4xn-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/markdown_pdf_exporter-bfab692c2bcbe9b0.markdown_pdf_exporter.b11aq4xn-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/markdown_pdf_exporter-bfab692c2bcbe9b0.markdown_pdf_exporter.b11aq4xn-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/markdown_pdf_exporter-bfab692c2bcbe9b0.markdown_pdf_exporter.b11aq4xn-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/markdown_pdf_exporter-bfab692c2bcbe9b0.markdown_pdf_exporter.b11aq4xn-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/markdown_pdf_exporter-bfab692c2bcbe9b0.markdown_pdf_exporter.b11aq4xn-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/markdown_pdf_exporter-bfab692c2bcbe9b0.markdown_pdf_exporter.b11aq4xn-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/markdown_pdf_exporter-bfab692c2bcbe9b0.markdown_pdf_exporter.b11aq4xn-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/markdown_pdf_exporter-bfab692c2bcbe9b0.markdown_pdf_exporter.b11aq4xn-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/markdown_pdf_exporter-bfab692c2bcbe9b0.markdown_pdf_exporter.b11aq4xn-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/markdown_pdf_exporter-bfab692c2bcbe9b0.markdown_pdf_exporter.b11aq4xn-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/markdown_pdf_exporter-bfab692c2bcbe9b0.markdown_pdf_exporter.b11aq4xn-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/markdown_pdf_exporter-bfab692c2bcbe9b0.markdown_pdf_exporter.b11aq4xn-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/markdown_pdf_exporter-bfab692c2bcbe9b0.markdown_pdf_exporter.b11aq4xn-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/markdown_pdf_exporter-bfab692c2bcbe9b0" "/opt/rustwide/target/debug/deps/markdown_pdf_exporter-bfab692c2bcbe9b0.44o4sb2oxs7eg7nw.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libclap-b681489f0a02f01b.rlib" "/opt/rustwide/target/debug/deps/libvec_map-de5da0971b7274da.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-d1be45a68445f076.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-ccf5129a40d9887d.rlib" "/opt/rustwide/target/debug/deps/libstrsim-794cc78f848fe7af.rlib" "/opt/rustwide/target/debug/deps/libbitflags-8a5476fab5bb3232.rlib" "/opt/rustwide/target/debug/deps/libatty-901e274caf4aab61.rlib" "/opt/rustwide/target/debug/deps/libansi_term-4b9c56ff58f1d4f8.rlib" "/opt/rustwide/target/debug/deps/libwkhtmltopdf-a405f12c19f30c95.rlib" "/opt/rustwide/target/debug/deps/libquick_error-671ab0df75bdceb5.rlib" "/opt/rustwide/target/debug/deps/liblog-13345f654e54e70c.rlib" "/opt/rustwide/target/debug/deps/liblog-16806d2907ecf26d.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-3bb9a546b52233f2.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-721ddb5cf32cc140.rlib" "/opt/rustwide/target/debug/deps/libthread_id-3b4a2ab17d0b7107.rlib" "/opt/rustwide/target/debug/deps/liblibc-121ee6ec9e75e27f.rlib" "/opt/rustwide/target/debug/deps/liburl-697063dbf0029b0c.rlib" "/opt/rustwide/target/debug/deps/libpercent_encoding-a1c8d337a4da41fd.rlib" "/opt/rustwide/target/debug/deps/libidna-a340cb297147cde9.rlib" "/opt/rustwide/target/debug/deps/libunicode_normalization-7f49a46a814b7f53.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-da9e63cd49dbd79b.rlib" "/opt/rustwide/target/debug/deps/libunicode_bidi-2a3427138786ef48.rlib" "/opt/rustwide/target/debug/deps/libmatches-48febceb3dcc9296.rlib" "/opt/rustwide/target/debug/deps/libwkhtmltox_sys-b0e35a197de1f5f5.rlib" "/opt/rustwide/target/debug/deps/libcomrak-0dc438768e957587.rlib" "/opt/rustwide/target/debug/deps/libunicode_categories-86df3d55ba01ae27.rlib" "/opt/rustwide/target/debug/deps/libtyped_arena-b9eccc440036b08f.rlib" "/opt/rustwide/target/debug/deps/libtwoway-b8bf3e5940216b4d.rlib" "/opt/rustwide/target/debug/deps/libunchecked_index-a78363687972a709.rlib" "/opt/rustwide/target/debug/deps/libregex-0a6b63573baaaee0.rlib" "/opt/rustwide/target/debug/deps/libthread_local-abd19461110d9879.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-81aeccf9d7643880.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-4a763a6f3faacef7.rlib" "/opt/rustwide/target/debug/deps/libmemchr-90bac19b7815f3a4.rlib" "/opt/rustwide/target/debug/deps/libpest-1c1899df4edd6aa5.rlib" "/opt/rustwide/target/debug/deps/libucd_trie-c4e9092f1d3ae492.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-b2d06f7d60fcbb27.rlib" "/opt/rustwide/target/debug/deps/libentities-805c6e0f92aaa99f.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7444fd17919e9af0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-0ee2f67026959ab7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-df1bcd1e82256d04.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-ed9ecf1b54021131.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0ede66bb24e94b96.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-7c2de7f50940865c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-b138d50085fd4683.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-6576870d8f2b9ae2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-042a30c5f67b2c91.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7b3f33d3dbe385dc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-90b3063cd7b22527.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-17f9484f8dc4da1e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-df38345acd9d92e1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5e10ca10bdd9e54.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9e5b4162eeef2cef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-3a4e739a77468800.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0f3a0c116d5e04d6.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lutil" "-lwkhtmltox" "-lwkhtmltox" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lwkhtmltox
[INFO] [stdout]           /usr/bin/ld: cannot find -lwkhtmltox
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `markdown_pdf_exporter`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "5ec3b72d65ceae524927f7594f69ec31478fbb07fb3eaed1575ba5ddfd31a993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ec3b72d65ceae524927f7594f69ec31478fbb07fb3eaed1575ba5ddfd31a993", kill_on_drop: false }`
[INFO] [stdout] 5ec3b72d65ceae524927f7594f69ec31478fbb07fb3eaed1575ba5ddfd31a993