[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] checking Zengor/chat_np1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZengor%2Fchat_np1" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Zengor/chat_np1 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy_static v0.2.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51a82acd38e68d11024d222e5242fe1228c589f84224ea45f7e34a70cbfcb20c
[INFO] running `Command { std: "docker" "start" "-a" "51a82acd38e68d11024d222e5242fe1228c589f84224ea45f7e34a70cbfcb20c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51a82acd38e68d11024d222e5242fe1228c589f84224ea45f7e34a70cbfcb20c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51a82acd38e68d11024d222e5242fe1228c589f84224ea45f7e34a70cbfcb20c", kill_on_drop: false }`
[INFO] [stdout] 51a82acd38e68d11024d222e5242fe1228c589f84224ea45f7e34a70cbfcb20c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c27a837eab64537ab42497b85724699631c922323dc47476d1cc94c3ad51f59
[INFO] running `Command { std: "docker" "start" "-a" "1c27a837eab64537ab42497b85724699631c922323dc47476d1cc94c3ad51f59", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking chat_np1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (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: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: 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: field `thread` is never read
[INFO] [stdout]    --> src/chatserver.rs:244:5
[INFO] [stdout]     |
[INFO] [stdout] 241 | struct UserConnection {
[INFO] [stdout]     |        -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 244 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `UserConnection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `thread` is never read
[INFO] [stdout]   --> src/chatclient.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ChatConnection {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     thread: thread::JoinHandle<()>
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChatConnection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `thread` is never read
[INFO] [stdout]    --> src/chatserver.rs:244:5
[INFO] [stdout]     |
[INFO] [stdout] 241 | struct UserConnection {
[INFO] [stdout]     |        -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 244 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `UserConnection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `thread` is never read
[INFO] [stdout]   --> src/chatclient.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ChatConnection {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     thread: thread::JoinHandle<()>
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChatConnection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "1c27a837eab64537ab42497b85724699631c922323dc47476d1cc94c3ad51f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c27a837eab64537ab42497b85724699631c922323dc47476d1cc94c3ad51f59", kill_on_drop: false }`
[INFO] [stdout] 1c27a837eab64537ab42497b85724699631c922323dc47476d1cc94c3ad51f59
[INFO] checking Zengor/chat_np1 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZengor%2Fchat_np1" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Zengor/chat_np1 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7f5ed45c30742ae6b3825046eff96ae2d7ba8711d78292b8fd3a073ab73b931
[INFO] running `Command { std: "docker" "start" "-a" "d7f5ed45c30742ae6b3825046eff96ae2d7ba8711d78292b8fd3a073ab73b931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7f5ed45c30742ae6b3825046eff96ae2d7ba8711d78292b8fd3a073ab73b931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7f5ed45c30742ae6b3825046eff96ae2d7ba8711d78292b8fd3a073ab73b931", kill_on_drop: false }`
[INFO] [stdout] d7f5ed45c30742ae6b3825046eff96ae2d7ba8711d78292b8fd3a073ab73b931
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af5081dd4e0f906f651c1e7280cb1558709b831af2f6569f9670dad7f55405ba
[INFO] running `Command { std: "docker" "start" "-a" "af5081dd4e0f906f651c1e7280cb1558709b831af2f6569f9670dad7f55405ba", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking chat_np1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::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 the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (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: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: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: 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: field `thread` is never read
[INFO] [stdout]    --> src/chatserver.rs:244:5
[INFO] [stdout]     |
[INFO] [stdout] 241 | struct UserConnection {
[INFO] [stdout]     |        -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 244 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `UserConnection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `thread` is never read
[INFO] [stdout]   --> src/chatclient.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ChatConnection {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     thread: thread::JoinHandle<()>
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChatConnection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `thread` is never read
[INFO] [stdout]    --> src/chatserver.rs:244:5
[INFO] [stdout]     |
[INFO] [stdout] 241 | struct UserConnection {
[INFO] [stdout]     |        -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 244 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `UserConnection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `thread` is never read
[INFO] [stdout]   --> src/chatclient.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ChatConnection {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     thread: thread::JoinHandle<()>
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChatConnection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "af5081dd4e0f906f651c1e7280cb1558709b831af2f6569f9670dad7f55405ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af5081dd4e0f906f651c1e7280cb1558709b831af2f6569f9670dad7f55405ba", kill_on_drop: false }`
[INFO] [stdout] af5081dd4e0f906f651c1e7280cb1558709b831af2f6569f9670dad7f55405ba