[INFO] cloning repository https://github.com/Farteen/rust-crates-playing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Farteen/rust-crates-playing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFarteen%2Frust-crates-playing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFarteen%2Frust-crates-playing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 755edf2c1128cea4cf28c55bea660c8efc714f3f
[INFO] documenting Farteen/rust-crates-playing 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%2FFarteen%2Frust-crates-playing" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Farteen/rust-crates-playing 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/Farteen/rust-crates-playing
[INFO] finished tweaking git repo https://github.com/Farteen/rust-crates-playing
[INFO] tweaked toml for git repo https://github.com/Farteen/rust-crates-playing written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Farteen/rust-crates-playing 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] ade97f9d92665bc02b5a48b4d4a43122c5f57f5bdf8050648fdc4590260ee646
[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" "ade97f9d92665bc02b5a48b4d4a43122c5f57f5bdf8050648fdc4590260ee646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ade97f9d92665bc02b5a48b4d4a43122c5f57f5bdf8050648fdc4590260ee646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ade97f9d92665bc02b5a48b4d4a43122c5f57f5bdf8050648fdc4590260ee646", kill_on_drop: false }`
[INFO] [stdout] ade97f9d92665bc02b5a48b4d4a43122c5f57f5bdf8050648fdc4590260ee646
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8ab897853952ced03fd574a486a657d9d3ee2ff2fe08fd2a95a74a1afa536466
[INFO] running `Command { std: "docker" "start" "-a" "8ab897853952ced03fd574a486a657d9d3ee2ff2fe08fd2a95a74a1afa536466", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling os_info v1.3.3
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]     Checking version_check v0.9.1
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking tokio v0.2.12
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]    Compiling typed-builder v0.3.0
[INFO] [stderr]    Compiling derivative v1.0.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling async-trait v0.1.24
[INFO] [stderr]    Compiling enum-as-inner v0.3.1
[INFO] [stderr]    Compiling serde_with_macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling err-derive v0.2.2
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking trust-dns-proto v0.18.1
[INFO] [stderr]     Checking trust-dns-resolver v0.18.1
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking serde_with v1.4.0
[INFO] [stderr]     Checking bson v0.14.0
[INFO] [stderr]     Checking mongodb v0.9.1
[INFO] [stderr]  Documenting toy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this file contains an unclosed delimiter
[INFO] [stdout]   --> src/main.rs:39:3
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn main() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                         - unclosed delimiter
[INFO] [stdout] ...
[INFO] [stdout] 36 |     for db_name in client.list_database_names(None)? {
[INFO] [stdout]    |                                                      - this delimiter might not be properly closed...
[INFO] [stdout] ...
[INFO] [stdout] 39 | }
[INFO] [stdout]    | - ^
[INFO] [stdout]    | |
[INFO] [stdout]    | ...as it matches this but it has different indentation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `toy`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name toy 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 bson=/opt/rustwide/target/debug/deps/libbson-9c893d74e47ec0d2.rmeta --extern mongodb=/opt/rustwide/target/debug/deps/libmongodb-ff14faafd35563bc.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-2c7fa9b1468662d0.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "8ab897853952ced03fd574a486a657d9d3ee2ff2fe08fd2a95a74a1afa536466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ab897853952ced03fd574a486a657d9d3ee2ff2fe08fd2a95a74a1afa536466", kill_on_drop: false }`
[INFO] [stdout] 8ab897853952ced03fd574a486a657d9d3ee2ff2fe08fd2a95a74a1afa536466