[INFO] cloning repository https://github.com/Zengor/chat_np1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Zengor/chat_np1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZengor%2Fchat_np1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZengor%2Fchat_np1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74c8d54daffea6d844cea979c4e61f916ecd9954
[INFO] documenting Zengor/chat_np1 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%2FZengor%2Fchat_np1" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Zengor/chat_np1 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/Zengor/chat_np1
[INFO] finished tweaking git repo https://github.com/Zengor/chat_np1
[INFO] tweaked toml for git repo https://github.com/Zengor/chat_np1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Zengor/chat_np1 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] cc4299f925333c14d0852c5cf18a1678c3c6203a54575bcb9b54735b3f522ff2
[INFO] running `Command { std: "docker" "start" "-a" "cc4299f925333c14d0852c5cf18a1678c3c6203a54575bcb9b54735b3f522ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc4299f925333c14d0852c5cf18a1678c3c6203a54575bcb9b54735b3f522ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc4299f925333c14d0852c5cf18a1678c3c6203a54575bcb9b54735b3f522ff2", kill_on_drop: false }`
[INFO] [stdout] cc4299f925333c14d0852c5cf18a1678c3c6203a54575bcb9b54735b3f522ff2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 4289d1e005f8c7e706664967205e4adaf61d81a9a396d896bb2cf4a3299385c8
[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" "4289d1e005f8c7e706664967205e4adaf61d81a9a396d896bb2cf4a3299385c8", kill_on_drop: false }`
[INFO] [stderr]     Checking chat_np1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting chat_np1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/chatserver.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / lazy_static! {
[INFO] [stdout] 15 | |     static ref CONNECTIONS: Connections = Default::default();
[INFO] [stdout] 16 | |     static ref GROUPS: Groups = Default::default();
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/chatserver.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / lazy_static! {
[INFO] [stdout] 15 | |     static ref CONNECTIONS: Connections = Default::default();
[INFO] [stdout] 16 | |     static ref GROUPS: Groups = Default::default();
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/chatserver.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / lazy_static! {
[INFO] [stdout] 15 | |     static ref CONNECTIONS: Connections = Default::default();
[INFO] [stdout] 16 | |     static ref GROUPS: Groups = Default::default();
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/chatserver.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / lazy_static! {
[INFO] [stdout] 15 | |     static ref CONNECTIONS: Connections = Default::default();
[INFO] [stdout] 16 | |     static ref GROUPS: Groups = Default::default();
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/chatserver.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let mut group = match groups.get_mut(&group_name) {
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/chatserver.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let mut group = match groups.get_mut(&chat_name) {
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/chatserver.rs:197:13
[INFO] [stdout]     |
[INFO] [stdout] 197 |         let mut group = groups.get_mut(&chat_name).unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "4289d1e005f8c7e706664967205e4adaf61d81a9a396d896bb2cf4a3299385c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4289d1e005f8c7e706664967205e4adaf61d81a9a396d896bb2cf4a3299385c8", kill_on_drop: false }`
[INFO] [stdout] 4289d1e005f8c7e706664967205e4adaf61d81a9a396d896bb2cf4a3299385c8