[INFO] cloning repository https://github.com/xobs/jig-20
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xobs/jig-20" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxobs%2Fjig-20", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxobs%2Fjig-20'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e558008aa173cca02a396b652c51069e8c5494c9
[INFO] documenting xobs/jig-20 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%2Fxobs%2Fjig-20" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xobs/jig-20 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/xobs/jig-20
[INFO] finished tweaking git repo https://github.com/xobs/jig-20
[INFO] tweaked toml for git repo https://github.com/xobs/jig-20 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/xobs/jig-20 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]     Updating git repository `https://github.com/xobs/bus.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_cpus v0.2.13
[INFO] [stderr]   Downloaded smallvec v0.1.8
[INFO] [stderr]   Downloaded memchr v1.0.1
[INFO] [stderr]   Downloaded atomic-option v0.1.2
[INFO] [stderr]   Downloaded nix v0.8.1
[INFO] [stderr]   Downloaded ctrlc v3.0.3
[INFO] [stderr]   Downloaded shlex v0.1.1
[INFO] [stderr]   Downloaded fixedbitset v0.1.8
[INFO] [stderr]   Downloaded rand v0.3.17
[INFO] [stderr]   Downloaded regex v0.2.2
[INFO] [stderr]   Downloaded either v1.2.0
[INFO] [stderr]   Downloaded clap v2.26.2
[INFO] [stderr]   Downloaded parking_lot_core v0.1.4
[INFO] [stderr]   Downloaded petgraph v0.2.10
[INFO] [stderr]   Downloaded chan v0.1.19
[INFO] [stderr]   Downloaded regex-syntax v0.4.1
[INFO] [stderr]   Downloaded thread_local v0.3.4
[INFO] [stderr]   Downloaded itertools v0.5.10
[INFO] [stderr]   Downloaded json v0.11.10
[INFO] [stderr]   Downloaded quick-error v1.2.1
[INFO] [stderr]   Downloaded wincolor v0.1.4
[INFO] [stderr]   Downloaded termcolor v0.3.3
[INFO] [stderr]   Downloaded systemd-parser v0.1.3
[INFO] [stderr]   Downloaded daggy v0.4.1
[INFO] [stderr]   Downloaded libc v0.2.32
[INFO] [stderr]   Downloaded runny v1.2.1
[INFO] [stderr]   Downloaded textwrap v0.8.0
[INFO] [stderr]   Downloaded dependy v0.3.0
[INFO] [stderr]   Downloaded aho-corasick v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 10164041c1b6f2b77487838b63a634638e9b2d1a2eb99345aefd6faf3bc3548d
[INFO] running `Command { std: "docker" "start" "-a" "10164041c1b6f2b77487838b63a634638e9b2d1a2eb99345aefd6faf3bc3548d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10164041c1b6f2b77487838b63a634638e9b2d1a2eb99345aefd6faf3bc3548d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10164041c1b6f2b77487838b63a634638e9b2d1a2eb99345aefd6faf3bc3548d", kill_on_drop: false }`
[INFO] [stdout] 10164041c1b6f2b77487838b63a634638e9b2d1a2eb99345aefd6faf3bc3548d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 1fe2a17c7a653b631682d48500ab45f9301b3d1864842e6b06f766642412a52a
[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" "1fe2a17c7a653b631682d48500ab45f9301b3d1864842e6b06f766642412a52a", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]     Checking fixedbitset v0.1.8
[INFO] [stderr]     Checking either v1.2.0
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking atomic-option v0.1.2
[INFO] [stderr]     Checking termcolor v0.3.3
[INFO] [stderr]     Checking json v0.11.10
[INFO] [stderr]    Compiling user32-sys v0.2.0
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking petgraph v0.2.10
[INFO] [stderr]     Checking rand v0.3.17
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]     Checking daggy v0.4.1
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking systemd-parser v0.1.3
[INFO] [stderr]     Checking parking_lot_core v0.1.4
[INFO] [stderr]     Checking chan v0.1.19
[INFO] [stderr]     Checking dependy v0.3.0
[INFO] [stderr]     Checking bus v1.1.3 (https://github.com/xobs/bus.git?rev=c8bb287df261cf038ac431a71b416ae996325d1c#c8bb287d)
[INFO] [stderr]     Checking runny v1.2.1
[INFO] [stderr]     Checking ctrlc v3.0.3
[INFO] [stderr]  Documenting jig2-0 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/cfti/types/scenario.rs:330:25
[INFO] [stdout]     |
[INFO] [stdout] 330 |                         ;
[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 14.40s
[INFO] running `Command { std: "docker" "inspect" "1fe2a17c7a653b631682d48500ab45f9301b3d1864842e6b06f766642412a52a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe2a17c7a653b631682d48500ab45f9301b3d1864842e6b06f766642412a52a", kill_on_drop: false }`
[INFO] [stdout] 1fe2a17c7a653b631682d48500ab45f9301b3d1864842e6b06f766642412a52a