[INFO] cloning repository https://github.com/vedranvinko/lemon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vedranvinko/lemon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvedranvinko%2Flemon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvedranvinko%2Flemon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 276dc16fec7cdb0dd02bea3a348883db91170a88
[INFO] documenting vedranvinko/lemon 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%2Fvedranvinko%2Flemon" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vedranvinko/lemon 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/vedranvinko/lemon
[INFO] finished tweaking git repo https://github.com/vedranvinko/lemon
[INFO] tweaked toml for git repo https://github.com/vedranvinko/lemon written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/vedranvinko/lemon 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] cd37e9745cb574e422eb31c5dc99e9b09a2acc7278bfd07045ea6436446a15d4
[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" "cd37e9745cb574e422eb31c5dc99e9b09a2acc7278bfd07045ea6436446a15d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd37e9745cb574e422eb31c5dc99e9b09a2acc7278bfd07045ea6436446a15d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd37e9745cb574e422eb31c5dc99e9b09a2acc7278bfd07045ea6436446a15d4", kill_on_drop: false }`
[INFO] [stdout] cd37e9745cb574e422eb31c5dc99e9b09a2acc7278bfd07045ea6436446a15d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1ef7333233d60aa4cc2aa9025eecd47a4f694cddaefd7ff32a374b2a8bcc72b7
[INFO] running `Command { std: "docker" "start" "-a" "1ef7333233d60aa4cc2aa9025eecd47a4f694cddaefd7ff32a374b2a8bcc72b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.32
[INFO] [stderr]     Checking array-macro v1.0.5
[INFO] [stderr]     Checking xi-unicode v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking enum-map v0.6.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enumset_derive v0.5.0
[INFO] [stderr]     Checking enumset v1.0.0
[INFO] [stderr]     Checking cursive_core v0.1.0
[INFO] [stderr]     Checking cursive v0.15.0
[INFO] [stderr]  Documenting lemon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.72s
[INFO] running `Command { std: "docker" "inspect" "1ef7333233d60aa4cc2aa9025eecd47a4f694cddaefd7ff32a374b2a8bcc72b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef7333233d60aa4cc2aa9025eecd47a4f694cddaefd7ff32a374b2a8bcc72b7", kill_on_drop: false }`
[INFO] [stdout] 1ef7333233d60aa4cc2aa9025eecd47a4f694cddaefd7ff32a374b2a8bcc72b7