[INFO] cloning repository https://github.com/davidkayce/rust-networking
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidkayce/rust-networking" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidkayce%2Frust-networking", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidkayce%2Frust-networking'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4610e64e407e2f8c2a65f8f7095505bfe53d760b
[INFO] documenting davidkayce/rust-networking against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidkayce%2Frust-networking" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidkayce/rust-networking on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davidkayce/rust-networking
[INFO] finished tweaking git repo https://github.com/davidkayce/rust-networking
[INFO] tweaked toml for git repo https://github.com/davidkayce/rust-networking written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/davidkayce/rust-networking already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a34ba254fb0bde33a7b60726528621d3cd60db3ad88e1918b28360f2e5a4194
[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" "3a34ba254fb0bde33a7b60726528621d3cd60db3ad88e1918b28360f2e5a4194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a34ba254fb0bde33a7b60726528621d3cd60db3ad88e1918b28360f2e5a4194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a34ba254fb0bde33a7b60726528621d3cd60db3ad88e1918b28360f2e5a4194", kill_on_drop: false }`
[INFO] [stdout] 3a34ba254fb0bde33a7b60726528621d3cd60db3ad88e1918b28360f2e5a4194
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f9f8dddff01e0997d55cf002c5a4cac957b3481f6ada3bee149d8ba814dab9c
[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" "7f9f8dddff01e0997d55cf002c5a4cac957b3481f6ada3bee149d8ba814dab9c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]     Checking xml-rs v0.6.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking backtrace v0.3.33
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking ron v0.3.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde-xml-any v0.0.3
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_any v0.5.0
[INFO] [stderr]  Documenting rust-nwtworking v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `;` or `{`, found `-`
[INFO] [stdout]  --> src/main.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | mod tcp-echo-server;
[INFO] [stdout]   |        ^ expected one of `;` or `{`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `rust-nwtworking`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name rust_nwtworking 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 serde=/opt/rustwide/target/debug/deps/libserde-a578b0ff7f8ebbd8.rmeta --extern serde_any=/opt/rustwide/target/debug/deps/libserde_any-ad5f6e73f8c214e8.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-8890bebc5b8f894a.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-f191ffa71c98fb82.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "7f9f8dddff01e0997d55cf002c5a4cac957b3481f6ada3bee149d8ba814dab9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f9f8dddff01e0997d55cf002c5a4cac957b3481f6ada3bee149d8ba814dab9c", kill_on_drop: false }`
[INFO] [stdout] 7f9f8dddff01e0997d55cf002c5a4cac957b3481f6ada3bee149d8ba814dab9c
