[INFO] cloning repository https://github.com/snatvb/rust-chat-ws
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/snatvb/rust-chat-ws" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnatvb%2Frust-chat-ws", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnatvb%2Frust-chat-ws'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 549c8c32d3a62dad6fcced317aa54463bd28018b
[INFO] checking snatvb/rust-chat-ws against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnatvb%2Frust-chat-ws" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/snatvb/rust-chat-ws on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/snatvb/rust-chat-ws
[INFO] finished tweaking git repo https://github.com/snatvb/rust-chat-ws
[INFO] tweaked toml for git repo https://github.com/snatvb/rust-chat-ws written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/snatvb/rust-chat-ws 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa06256a9814d9657c91ade47cff08d6ea84ada7fa52f1f7ea33cee3c4116498
[INFO] running `Command { std: "docker" "start" "-a" "fa06256a9814d9657c91ade47cff08d6ea84ada7fa52f1f7ea33cee3c4116498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa06256a9814d9657c91ade47cff08d6ea84ada7fa52f1f7ea33cee3c4116498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa06256a9814d9657c91ade47cff08d6ea84ada7fa52f1f7ea33cee3c4116498", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 472bc170bcf2a560c05465df38e4e379e6a1fef52e7bf9deeca6df7f6488a66d
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[INFO] [stdout] warning: unused import: `response_user_msg::*`
[INFO] [stdout]  --> src/chat/messages/requests.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use response_user_msg::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `response_user_msg::*`
[INFO] [stdout]  --> src/chat/messages/requests.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use response_user_msg::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Dialog`
[INFO] [stdout]  --> src/chat/store.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use dialogs::{Dialog, Dialogs};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `users`
[INFO] [stdout]   --> src/chat.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 | use store::{selectors, users, PeerItem, Store};
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::ops::Add`
[INFO] [stdout]  --> src/id_record.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Dialog`
[INFO] [stdout]  --> src/chat/store.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use dialogs::{Dialog, Dialogs};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `users`
[INFO] [stdout]   --> src/chat.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 | use store::{selectors, users, PeerItem, Store};
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::ops::Add`
[INFO] [stdout]  --> src/id_record.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `with_auth_companion` is never used
[INFO] [stdout]   --> src/chat.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn with_auth_companion<F: FnOnce(&User) -> ()>(store: &Store, peer: &PeerItem, f: F) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `socket_addr` is never read
[INFO] [stdout]   --> src/chat/store.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct PeerItem {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 17 |     pub tx: Tx,
[INFO] [stdout] 18 |     pub socket_addr: SocketAddr,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PeerItem` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_item` is never used
[INFO] [stdout]   --> src/id_record.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub trait IDControl<T> {
[INFO] [stdout]    |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn get_item(&self, id: &KeyType) -> Option<&T>;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `iter` is never used
[INFO] [stdout]   --> src/id_record.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl<T> IDRecord<T> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 31 |     pub fn iter(&self) -> impl Iterator<Item = (&KeyType, &IDControlItem<T>)> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `with_auth_companion` is never used
[INFO] [stdout]   --> src/chat.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn with_auth_companion<F: FnOnce(&User) -> ()>(store: &Store, peer: &PeerItem, f: F) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `socket_addr` is never read
[INFO] [stdout]   --> src/chat/store.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct PeerItem {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 17 |     pub tx: Tx,
[INFO] [stdout] 18 |     pub socket_addr: SocketAddr,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PeerItem` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_item` is never used
[INFO] [stdout]   --> src/id_record.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub trait IDControl<T> {
[INFO] [stdout]    |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn get_item(&self, id: &KeyType) -> Option<&T>;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `iter` is never used
[INFO] [stdout]   --> src/id_record.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl<T> IDRecord<T> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 31 |     pub fn iter(&self) -> impl Iterator<Item = (&KeyType, &IDControlItem<T>)> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.85s
[INFO] running `Command { std: "docker" "inspect" "472bc170bcf2a560c05465df38e4e379e6a1fef52e7bf9deeca6df7f6488a66d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "472bc170bcf2a560c05465df38e4e379e6a1fef52e7bf9deeca6df7f6488a66d", kill_on_drop: false }`
[INFO] [stdout] 472bc170bcf2a560c05465df38e4e379e6a1fef52e7bf9deeca6df7f6488a66d