[INFO] cloning repository https://github.com/samWighton/graph_network
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samWighton/graph_network" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsamWighton%2Fgraph_network", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsamWighton%2Fgraph_network'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db735322de8b075644ee113dfc6c84c6a2c7ea3c
[INFO] documenting samWighton/graph_network against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsamWighton%2Fgraph_network" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samWighton/graph_network on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/samWighton/graph_network
[INFO] finished tweaking git repo https://github.com/samWighton/graph_network
[INFO] tweaked toml for git repo https://github.com/samWighton/graph_network written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/samWighton/graph_network already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bc239c69bb6f4f43d1fb301ed829182609ccf879547c960bd96069bb00db7d9
[INFO] running `Command { std: "docker" "start" "-a" "5bc239c69bb6f4f43d1fb301ed829182609ccf879547c960bd96069bb00db7d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bc239c69bb6f4f43d1fb301ed829182609ccf879547c960bd96069bb00db7d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc239c69bb6f4f43d1fb301ed829182609ccf879547c960bd96069bb00db7d9", kill_on_drop: false }`
[INFO] [stdout] 5bc239c69bb6f4f43d1fb301ed829182609ccf879547c960bd96069bb00db7d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9f1216d860a515d427a80e606ffcea3898d049f5296dd81ec0da6acdb29f7de
[INFO] running `Command { std: "docker" "start" "-a" "f9f1216d860a515d427a80e606ffcea3898d049f5296dd81ec0da6acdb29f7de", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking rustc-serialize v0.3.23
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]  Documenting permissions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:213:94
[INFO] [stdout]     |
[INFO] [stdout] 213 | fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <(Vec<(Edge)>)> {
[INFO] [stdout]     |                                                                                              ^           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 213 - fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <(Vec<(Edge)>)> {
[INFO] [stdout] 213 + fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <Vec<(Edge)>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:213:99
[INFO] [stdout]     |
[INFO] [stdout] 213 | fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <(Vec<(Edge)>)> {
[INFO] [stdout]     |                                                                                                   ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 213 - fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <(Vec<(Edge)>)> {
[INFO] [stdout] 213 + fn parse_received(table_names: &mut Vec<&str>, edges: &Vec<Edge>, buf: [u8;100]) ->  Option <(Vec<Edge>)> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:253:11
[INFO] [stdout]     |
[INFO] [stdout] 253 |     ) -> Vec<(Edge)> {
[INFO] [stdout]     |              ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 253 -     ) -> Vec<(Edge)> {
[INFO] [stdout] 253 +     ) -> Vec<Edge> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:306:24
[INFO] [stdout]     |
[INFO] [stdout] 306 |     let mut ret_val : Vec<(Edge)> = Vec::new();
[INFO] [stdout]     |                           ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 306 -     let mut ret_val : Vec<(Edge)> = Vec::new();
[INFO] [stdout] 306 +     let mut ret_val : Vec<Edge> = Vec::new();
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `Command { std: "docker" "inspect" "f9f1216d860a515d427a80e606ffcea3898d049f5296dd81ec0da6acdb29f7de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9f1216d860a515d427a80e606ffcea3898d049f5296dd81ec0da6acdb29f7de", kill_on_drop: false }`
[INFO] [stdout] f9f1216d860a515d427a80e606ffcea3898d049f5296dd81ec0da6acdb29f7de