[INFO] cloning repository https://github.com/3Byuan/line-chater
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/3Byuan/line-chater" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3Byuan%2Fline-chater", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3Byuan%2Fline-chater'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd46a8d2ab16819a590974f37e8199fe8096be3a
[INFO] documenting 3Byuan/line-chater 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%2F3Byuan%2Fline-chater" "/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/3Byuan/line-chater 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/3Byuan/line-chater
[INFO] finished tweaking git repo https://github.com/3Byuan/line-chater
[INFO] tweaked toml for git repo https://github.com/3Byuan/line-chater written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/3Byuan/line-chater 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]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-deque v0.3.0
[INFO] [stderr]   Downloaded tokio-executor v0.1.0
[INFO] [stderr]   Downloaded futures v0.1.19
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.0
[INFO] [stderr]   Downloaded tokio-reactor v0.1.0
[INFO] [stderr]   Downloaded tokio v0.1.3
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0607d760e38dcbb18af7dff261924f53f7795a6a863a02091e4807d31e769104
[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" "0607d760e38dcbb18af7dff261924f53f7795a6a863a02091e4807d31e769104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0607d760e38dcbb18af7dff261924f53f7795a6a863a02091e4807d31e769104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0607d760e38dcbb18af7dff261924f53f7795a6a863a02091e4807d31e769104", kill_on_drop: false }`
[INFO] [stdout] 0607d760e38dcbb18af7dff261924f53f7795a6a863a02091e4807d31e769104
[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" "+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] 884f7a04ad4717f7a3a32ebbefaf03255f6e640362f9fe1f6164562978dc57de
[INFO] running `Command { std: "docker" "start" "-a" "884f7a04ad4717f7a3a32ebbefaf03255f6e640362f9fe1f6164562978dc57de", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking futures v0.1.19
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking crossbeam-epoch v0.4.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.3.0
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking tokio-executor v0.1.0
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.0
[INFO] [stderr]     Checking tokio-reactor v0.1.0
[INFO] [stderr]     Checking tokio v0.1.3
[INFO] [stderr]  Documenting line-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected closing delimiter: `}`
[INFO] [stdout]   --> src/main.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 39 |     .map_err(|err| {
[INFO] [stdout]    |                    - this opening brace...
[INFO] [stdout] ...
[INFO] [stdout] 42 |     });
[INFO] [stdout]    |     - ...matches this closing brace
[INFO] [stdout] ...
[INFO] [stdout] 53 | }
[INFO] [stdout]    | ^ unexpected closing delimiter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: mismatched closing delimiter: `)`
[INFO] [stdout]   --> src/main.rs:30:52
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn main() {
[INFO] [stdout]    |           - unclosed delimiter
[INFO] [stdout] 30 |     let state = Arc::new(Mutex::new(Shared::new())));
[INFO] [stdout]    |                                                    ^ mismatched closing delimiter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `line-chat`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name line_chat 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 bytes=/opt/rustwide/target/debug/deps/libbytes-7df51057fbbdaf67.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-eef312e8c14aaa68.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-1b9c01a7ee731780.rmeta --extern tokio_io=/opt/rustwide/target/debug/deps/libtokio_io-ec159629b7065370.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "884f7a04ad4717f7a3a32ebbefaf03255f6e640362f9fe1f6164562978dc57de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "884f7a04ad4717f7a3a32ebbefaf03255f6e640362f9fe1f6164562978dc57de", kill_on_drop: false }`
[INFO] [stdout] 884f7a04ad4717f7a3a32ebbefaf03255f6e640362f9fe1f6164562978dc57de