[INFO] cloning repository https://github.com/studio-lucia/fontbuild
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/studio-lucia/fontbuild" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstudio-lucia%2Ffontbuild", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstudio-lucia%2Ffontbuild'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7b3ee04e5046046aee3a6a2e8fa467bc2146fbf
[INFO] documenting studio-lucia/fontbuild 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%2Fstudio-lucia%2Ffontbuild" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/studio-lucia/fontbuild 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/studio-lucia/fontbuild
[INFO] finished tweaking git repo https://github.com/studio-lucia/fontbuild
[INFO] tweaked toml for git repo https://github.com/studio-lucia/fontbuild written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/studio-lucia/fontbuild 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] cee800c1f7e62cd10f7c1c2eb01ad37797216394f4653213d317ac6a823f31f7
[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" "cee800c1f7e62cd10f7c1c2eb01ad37797216394f4653213d317ac6a823f31f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cee800c1f7e62cd10f7c1c2eb01ad37797216394f4653213d317ac6a823f31f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cee800c1f7e62cd10f7c1c2eb01ad37797216394f4653213d317ac6a823f31f7", kill_on_drop: false }`
[INFO] [stdout] cee800c1f7e62cd10f7c1c2eb01ad37797216394f4653213d317ac6a823f31f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 0696f7853e1bc7f88ddd0c5ea7e98491480c3807e9a1fa60a8520d9c31e4911e
[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" "0696f7853e1bc7f88ddd0c5ea7e98491480c3807e9a1fa60a8520d9c31e4911e", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.39
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking deflate v0.7.13
[INFO] [stderr]     Checking textwrap v0.6.0
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking clap v2.25.0
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking png v0.9.0
[INFO] [stderr]  Documenting fontbuild v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.02s
[INFO] running `Command { std: "docker" "inspect" "0696f7853e1bc7f88ddd0c5ea7e98491480c3807e9a1fa60a8520d9c31e4911e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0696f7853e1bc7f88ddd0c5ea7e98491480c3807e9a1fa60a8520d9c31e4911e", kill_on_drop: false }`
[INFO] [stdout] 0696f7853e1bc7f88ddd0c5ea7e98491480c3807e9a1fa60a8520d9c31e4911e