[INFO] cloning repository https://github.com/fschutt/printpdf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fschutt/printpdf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffschutt%2Fprintpdf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffschutt%2Fprintpdf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b858f7801d216189b695644ba2c1af3b64cd23a
[INFO] documenting fschutt/printpdf against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffschutt%2Fprintpdf" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fschutt/printpdf 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 git repo https://github.com/fschutt/printpdf
[INFO] finished tweaking git repo https://github.com/fschutt/printpdf
[INFO] tweaked toml for git repo https://github.com/fschutt/printpdf written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/fschutt/printpdf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lopdf v0.24.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] c7cdfe5bfb9931009d35cfcde009a1afc9c70df91e4f85c5de656766f86bf2b6
[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" "c7cdfe5bfb9931009d35cfcde009a1afc9c70df91e4f85c5de656766f86bf2b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7cdfe5bfb9931009d35cfcde009a1afc9c70df91e4f85c5de656766f86bf2b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7cdfe5bfb9931009d35cfcde009a1afc9c70df91e4f85c5de656766f86bf2b6", kill_on_drop: false }`
[INFO] [stdout] c7cdfe5bfb9931009d35cfcde009a1afc9c70df91e4f85c5de656766f86bf2b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 0262365f1a2372e4c8f2b1b3e9ce215c6a27537805bdfd965999d58b3e43ba20
[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" "0262365f1a2372e4c8f2b1b3e9ce215c6a27537805bdfd965999d58b3e43ba20", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking pom v3.1.0
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking jpeg-decoder v0.1.19
[INFO] [stderr]     Checking crossbeam-queue v0.2.2
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking png v0.16.4
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking tiff v0.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking image v0.23.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking lopdf v0.24.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]  Documenting printpdf v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.44s
[INFO] running `Command { std: "docker" "inspect" "0262365f1a2372e4c8f2b1b3e9ce215c6a27537805bdfd965999d58b3e43ba20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0262365f1a2372e4c8f2b1b3e9ce215c6a27537805bdfd965999d58b3e43ba20", kill_on_drop: false }`
[INFO] [stdout] 0262365f1a2372e4c8f2b1b3e9ce215c6a27537805bdfd965999d58b3e43ba20