[INFO] cloning repository https://github.com/acmumn/chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acmumn/chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facmumn%2Fchat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facmumn%2Fchat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0cb4940f0ab5e72265004601876490eceb504d9a
[INFO] testing acmumn/chat against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facmumn%2Fchat" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/acmumn/chat on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/acmumn/chat
[INFO] finished tweaking git repo https://github.com/acmumn/chat
[INFO] tweaked toml for git repo https://github.com/acmumn/chat written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/acmumn/chat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f9205a3676828e0b0484ceb74e46da7141393cbfd16b15786aede99be44b9f2
[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" "5f9205a3676828e0b0484ceb74e46da7141393cbfd16b15786aede99be44b9f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f9205a3676828e0b0484ceb74e46da7141393cbfd16b15786aede99be44b9f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f9205a3676828e0b0484ceb74e46da7141393cbfd16b15786aede99be44b9f2", kill_on_drop: false }`
[INFO] [stdout] 5f9205a3676828e0b0484ceb74e46da7141393cbfd16b15786aede99be44b9f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c9410f111744ca6d8d594c226e61e091ecbfb0bed15b85f75d290ed5672a622
[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" "4c9410f111744ca6d8d594c226e61e091ecbfb0bed15b85f75d290ed5672a622", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling ring v0.13.3
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]    Compiling libsqlite3-sys v0.10.0
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling toml v0.4.8
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tokio-threadpool v0.1.8
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]    Compiling tokio-timer v0.1.2
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-mockstream v1.1.0
[INFO] [stderr]    Compiling rusqlite v0.15.0
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling tokio-reactor v0.1.6
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-uds v0.2.3
[INFO] [stderr]    Compiling tokio-signal v0.2.6
[INFO] [stderr]    Compiling trust-dns-proto v0.5.0
[INFO] [stderr]    Compiling tokio v0.1.11
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling structopt v0.2.13
[INFO] [stderr]    Compiling trust-dns-resolver v0.10.0
[INFO] [stderr]    Compiling webpki v0.18.1
[INFO] [stderr]    Compiling sct v0.4.0
[INFO] [stderr]    Compiling tokio-tls v0.2.0
[INFO] [stderr]    Compiling irc v0.13.6
[INFO] [stderr]    Compiling rustls v0.14.0
[INFO] [stderr]    Compiling webpki-roots v0.15.0
[INFO] [stderr]    Compiling actix v0.7.6
[INFO] [stderr]    Compiling tokio-rustls v0.8.0
[INFO] [stderr]    Compiling actix-net v0.2.2
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpConnect`
[INFO] [stdout]  --> src/server.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use TcpConnect;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `framed`
[INFO] [stdout]   --> src/client.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         framed: FramedWrite<WriteHalf<TcpStream>, ClientCodec>,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_framed`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/client.rs:33:40
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn handle(&mut self, msg: Request, ctx: &mut Self::Context) {
[INFO] [stdout]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/server.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn handle(&mut self, msg: messages::ClientConnect, _: &mut Context<Self>) -> Self::Result {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Client`
[INFO] [stdout]   --> src/client.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Client {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `server`
[INFO] [stdout]   --> src/client.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     server: Addr<Server>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `addr`
[INFO] [stdout]  --> src/messages.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     addr: Addr<Session>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `clients`
[INFO] [stdout]   --> src/server.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     clients: HashMap<usize, Addr<Session>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `counter`
[INFO] [stdout]   --> src/server.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     counter: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `User`
[INFO] [stdout]  --> src/user.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct User {}
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sys`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let sys = System::run(|| {
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_sys`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.41s
[INFO] running `Command { std: "docker" "inspect" "4c9410f111744ca6d8d594c226e61e091ecbfb0bed15b85f75d290ed5672a622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9410f111744ca6d8d594c226e61e091ecbfb0bed15b85f75d290ed5672a622", kill_on_drop: false }`
[INFO] [stdout] 4c9410f111744ca6d8d594c226e61e091ecbfb0bed15b85f75d290ed5672a622
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 799eb6a82d72c22b1cbcda827d90395d660cadb50381926e64015acbf99bb0eb
[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" "799eb6a82d72c22b1cbcda827d90395d660cadb50381926e64015acbf99bb0eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpConnect`
[INFO] [stdout]  --> src/server.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use TcpConnect;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `framed`
[INFO] [stdout]   --> src/client.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         framed: FramedWrite<WriteHalf<TcpStream>, ClientCodec>,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_framed`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/client.rs:33:40
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn handle(&mut self, msg: Request, ctx: &mut Self::Context) {
[INFO] [stdout]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/server.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn handle(&mut self, msg: messages::ClientConnect, _: &mut Context<Self>) -> Self::Result {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Client`
[INFO] [stdout]   --> src/client.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Client {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `server`
[INFO] [stdout]   --> src/client.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     server: Addr<Server>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `addr`
[INFO] [stdout]  --> src/messages.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     addr: Addr<Session>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `clients`
[INFO] [stdout]   --> src/server.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     clients: HashMap<usize, Addr<Session>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `counter`
[INFO] [stdout]   --> src/server.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     counter: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `User`
[INFO] [stdout]  --> src/user.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct User {}
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sys`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let sys = System::run(|| {
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_sys`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpConnect`
[INFO] [stdout]  --> src/server.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use TcpConnect;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `framed`
[INFO] [stdout]   --> src/client.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         framed: FramedWrite<WriteHalf<TcpStream>, ClientCodec>,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_framed`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/client.rs:33:40
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn handle(&mut self, msg: Request, ctx: &mut Self::Context) {
[INFO] [stdout]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/server.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn handle(&mut self, msg: messages::ClientConnect, _: &mut Context<Self>) -> Self::Result {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Client`
[INFO] [stdout]   --> src/client.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Client {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `server`
[INFO] [stdout]   --> src/client.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     server: Addr<Server>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `addr`
[INFO] [stdout]  --> src/messages.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     addr: Addr<Session>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `clients`
[INFO] [stdout]   --> src/server.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     clients: HashMap<usize, Addr<Session>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `counter`
[INFO] [stdout]   --> src/server.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     counter: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `User`
[INFO] [stdout]  --> src/user.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct User {}
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "799eb6a82d72c22b1cbcda827d90395d660cadb50381926e64015acbf99bb0eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "799eb6a82d72c22b1cbcda827d90395d660cadb50381926e64015acbf99bb0eb", kill_on_drop: false }`
[INFO] [stdout] 799eb6a82d72c22b1cbcda827d90395d660cadb50381926e64015acbf99bb0eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", 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] 51db60ed67842b0e87a30ef7d54734a9f6cc29d4fe9170bf45c6f76720c5c7b0
[INFO] running `Command { std: "docker" "start" "-a" "51db60ed67842b0e87a30ef7d54734a9f6cc29d4fe9170bf45c6f76720c5c7b0", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TcpConnect`
[INFO] [stderr]  --> src/server.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use TcpConnect;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `framed`
[INFO] [stderr]   --> src/client.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         framed: FramedWrite<WriteHalf<TcpStream>, ClientCodec>,
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_framed`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/client.rs:33:40
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn handle(&mut self, msg: Request, ctx: &mut Self::Context) {
[INFO] [stderr]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/server.rs:29:26
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn handle(&mut self, msg: messages::ClientConnect, _: &mut Context<Self>) -> Self::Result {
[INFO] [stderr]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Client`
[INFO] [stderr]   --> src/client.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct Client {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `server`
[INFO] [stderr]   --> src/client.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     server: Addr<Server>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `addr`
[INFO] [stderr]  --> src/messages.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     addr: Addr<Session>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `clients`
[INFO] [stderr]   --> src/server.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     clients: HashMap<usize, Addr<Session>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `counter`
[INFO] [stderr]   --> src/server.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     counter: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `User`
[INFO] [stderr]  --> src/user.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct User {}
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chat` (lib) generated 11 warnings
[INFO] [stderr] warning: `chat` (lib test) generated 11 warnings (11 duplicates)
[INFO] [stderr] warning: unused variable: `sys`
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let sys = System::run(|| {
[INFO] [stderr]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_sys`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chat` (bin "chat" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chat-c24b87f6718f3798)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chat-edec3a42b2b1e015)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chat
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "51db60ed67842b0e87a30ef7d54734a9f6cc29d4fe9170bf45c6f76720c5c7b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51db60ed67842b0e87a30ef7d54734a9f6cc29d4fe9170bf45c6f76720c5c7b0", kill_on_drop: false }`
[INFO] [stdout] 51db60ed67842b0e87a30ef7d54734a9f6cc29d4fe9170bf45c6f76720c5c7b0