[INFO] fetching crate md2pdf-mdbook 0.0.1...
[INFO] documenting md2pdf-mdbook-0.0.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate md2pdf-mdbook 0.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate md2pdf-mdbook 0.0.1 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate md2pdf-mdbook 0.0.1
[INFO] finished tweaking crates.io crate md2pdf-mdbook 0.0.1
[INFO] tweaked toml for crates.io crate md2pdf-mdbook 0.0.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b491741c2c73a543f9b4c3de68a3f77234124e940cecf85d05cdb23280cb062f
[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" "b491741c2c73a543f9b4c3de68a3f77234124e940cecf85d05cdb23280cb062f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b491741c2c73a543f9b4c3de68a3f77234124e940cecf85d05cdb23280cb062f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b491741c2c73a543f9b4c3de68a3f77234124e940cecf85d05cdb23280cb062f", kill_on_drop: false }`
[INFO] [stdout] b491741c2c73a543f9b4c3de68a3f77234124e940cecf85d05cdb23280cb062f
[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" "RUSTDOCFLAGS=--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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2da0680832999b6f38b481d117c9d8908018d0f5fb1dd3e1430ecfe3d4059f3a
[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" "2da0680832999b6f38b481d117c9d8908018d0f5fb1dd3e1430ecfe3d4059f3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling vcpkg v0.2.10
[INFO] [stderr]    Compiling libz-sys v1.1.1
[INFO] [stderr]    Compiling tectonic_cfg_support v0.0.1
[INFO] [stderr]     Checking tectonic_xdv v0.1.8
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]     Checking pulldown-cmark v0.5.3
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]    Compiling tectonic v0.1.12
[INFO] [stderr]     Checking zip v0.5.6
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]  Documenting md2pdf-mdbook v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:146:74
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 output.push_str("\\includegraphics[width=\\textwidth]{");;
[INFO] [stdout]     |                                                                          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.92s
[INFO] running `Command { std: "docker" "inspect" "2da0680832999b6f38b481d117c9d8908018d0f5fb1dd3e1430ecfe3d4059f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da0680832999b6f38b481d117c9d8908018d0f5fb1dd3e1430ecfe3d4059f3a", kill_on_drop: false }`
[INFO] [stdout] 2da0680832999b6f38b481d117c9d8908018d0f5fb1dd3e1430ecfe3d4059f3a