[INFO] cloning repository https://github.com/stallmanifold/fontgen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stallmanifold/fontgen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstallmanifold%2Ffontgen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstallmanifold%2Ffontgen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a7a9e5dd8c544a3bed021e047669f15c6f74c71
[INFO] documenting stallmanifold/fontgen against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstallmanifold%2Ffontgen" "/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/stallmanifold/fontgen on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stallmanifold/fontgen
[INFO] finished tweaking git repo https://github.com/stallmanifold/fontgen
[INFO] tweaked toml for git repo https://github.com/stallmanifold/fontgen written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/stallmanifold/fontgen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a20dade7fb2abd41ac9c1e2b1d945be03a4c2900eae95525aefe29d83866aaf2
[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" "a20dade7fb2abd41ac9c1e2b1d945be03a4c2900eae95525aefe29d83866aaf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a20dade7fb2abd41ac9c1e2b1d945be03a4c2900eae95525aefe29d83866aaf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a20dade7fb2abd41ac9c1e2b1d945be03a4c2900eae95525aefe29d83866aaf2", kill_on_drop: false }`
[INFO] [stdout] a20dade7fb2abd41ac9c1e2b1d945be03a4c2900eae95525aefe29d83866aaf2
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0daba4872e763032aecd1cafe7b923a9fcb4d0f8156da711e422a5c60dda0363
[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" "0daba4872e763032aecd1cafe7b923a9fcb4d0f8156da711e422a5c60dda0363", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling proc-macro2 v0.4.25
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]     Checking miniz_oxide v0.3.2
[INFO] [stderr]     Checking inflate v0.4.4
[INFO] [stderr]    Compiling freetype-sys v0.7.1
[INFO] [stderr]     Checking crc32fast v1.1.2
[INFO] [stderr]     Checking png v0.14.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking flate2 v1.0.11
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking freetype-rs v0.20.0
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.5.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.21.2
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking bmfa v0.3.6 (https://github.com/lambdaxymox/bmfa#c58c7f77)
[INFO] [stderr]  Documenting fontgen v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "0daba4872e763032aecd1cafe7b923a9fcb4d0f8156da711e422a5c60dda0363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0daba4872e763032aecd1cafe7b923a9fcb4d0f8156da711e422a5c60dda0363", kill_on_drop: false }`
[INFO] [stdout] 0daba4872e763032aecd1cafe7b923a9fcb4d0f8156da711e422a5c60dda0363