[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] checking schoenenberg/markdown-pdf-exporter against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschoenenberg%2Fmarkdown-pdf-exporter" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/schoenenberg/markdown-pdf-exporter on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "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-5/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" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dff794a25cc4e13cf69936fcd169c6599f24b0636fa548ca8afc4e4c568c36d9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dff794a25cc4e13cf69936fcd169c6599f24b0636fa548ca8afc4e4c568c36d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dff794a25cc4e13cf69936fcd169c6599f24b0636fa548ca8afc4e4c568c36d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dff794a25cc4e13cf69936fcd169c6599f24b0636fa548ca8afc4e4c568c36d9", kill_on_drop: false }`
[INFO] [stdout] dff794a25cc4e13cf69936fcd169c6599f24b0636fa548ca8afc4e4c568c36d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 676c11e2cf5df10bd7413584d487a14f217fba28713d4cac44d9253c058facf4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "676c11e2cf5df10bd7413584d487a14f217fba28713d4cac44d9253c058facf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking wkhtmltox-sys v0.1.2
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking twoway v0.2.1
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking wkhtmltopdf v0.3.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling pest_generator v2.1.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking comrak v0.7.0
[INFO] [stderr]     Checking markdown_pdf_exporter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.19s
[INFO] running `Command { std: "docker" "inspect" "676c11e2cf5df10bd7413584d487a14f217fba28713d4cac44d9253c058facf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "676c11e2cf5df10bd7413584d487a14f217fba28713d4cac44d9253c058facf4", kill_on_drop: false }`
[INFO] [stdout] 676c11e2cf5df10bd7413584d487a14f217fba28713d4cac44d9253c058facf4