[INFO] cloning repository https://github.com/sosnowski/rust-actors-poc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sosnowski/rust-actors-poc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsosnowski%2Frust-actors-poc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsosnowski%2Frust-actors-poc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 785c37f4abfbd453852e8a80c451bc9b077c4d01
[INFO] documenting sosnowski/rust-actors-poc 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%2Fsosnowski%2Frust-actors-poc" "/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/sosnowski/rust-actors-poc 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/sosnowski/rust-actors-poc
[INFO] finished tweaking git repo https://github.com/sosnowski/rust-actors-poc
[INFO] tweaked toml for git repo https://github.com/sosnowski/rust-actors-poc written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/sosnowski/rust-actors-poc 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] 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" "+1.46.0" "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] 6b9a3ce7d4976999d6a1a1e4fc2ed7391b2e3d8e3f712b4b1cca4818d1dcd6f5
[INFO] running `Command { std: "docker" "start" "-a" "6b9a3ce7d4976999d6a1a1e4fc2ed7391b2e3d8e3f712b4b1cca4818d1dcd6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b9a3ce7d4976999d6a1a1e4fc2ed7391b2e3d8e3f712b4b1cca4818d1dcd6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b9a3ce7d4976999d6a1a1e4fc2ed7391b2e3d8e3f712b4b1cca4818d1dcd6f5", kill_on_drop: false }`
[INFO] [stdout] 6b9a3ce7d4976999d6a1a1e4fc2ed7391b2e3d8e3f712b4b1cca4818d1dcd6f5
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31b7cf0b32b2931ecec0c4364c98b2f7018e86d18592db5d3d0068d30684e566
[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" "31b7cf0b32b2931ecec0c4364c98b2f7018e86d18592db5d3d0068d30684e566", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]  Documenting actors-poc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `!`, `)`, `+`, `,`, or `::`, found `>`
[INFO] [stdout]   --> src/actors/actor.rs:93:47
[INFO] [stdout]    |
[INFO] [stdout] 93 |     senders: Vec<(String, Sender<ActorMessage>>
[INFO] [stdout]    |                  - unclosed delimiter         ^ help: `)` may belong here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `,`, or `}`, found `)`
[INFO] [stdout]   --> src/actors/actor.rs:93:48
[INFO] [stdout]    |
[INFO] [stdout] 93 |     senders: Vec<(String, Sender<ActorMessage>>
[INFO] [stdout]    |                                                ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `actors-poc`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name actors_poc src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-dd430c7c264e2a00.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-5bf8119689d65d17.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "31b7cf0b32b2931ecec0c4364c98b2f7018e86d18592db5d3d0068d30684e566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31b7cf0b32b2931ecec0c4364c98b2f7018e86d18592db5d3d0068d30684e566", kill_on_drop: false }`
[INFO] [stdout] 31b7cf0b32b2931ecec0c4364c98b2f7018e86d18592db5d3d0068d30684e566