[INFO] cloning repository https://github.com/skade/async-chat-template
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skade/async-chat-template" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Fasync-chat-template"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Fasync-chat-template'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2f7423c2b2978564a19316614a0b8466dec0895f
[INFO] testing skade/async-chat-template against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Fasync-chat-template" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/skade/async-chat-template on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/skade/async-chat-template
[INFO] finished tweaking git repo https://github.com/skade/async-chat-template
[INFO] tweaked toml for git repo https://github.com/skade/async-chat-template written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/skade/async-chat-template already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0b22fcd628db1b22d2ca8a1bae8702481a7cf2f78a3f5a7c421d42c031d741e8
[INFO] running `"docker" "start" "-a" "0b22fcd628db1b22d2ca8a1bae8702481a7cf2f78a3f5a7c421d42c031d741e8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling lock_api v0.3.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling async-task v1.3.1
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling kv-log-macro v1.0.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling broadcaster v1.0.0
[INFO] [stderr]    Compiling async-std v1.5.0
[INFO] [stderr]    Compiling async-chat-template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `async_std::io::BufReader`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use async_std::io::BufReader;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:47:17
[INFO] [stderr]    |
[INFO] [stderr] 47 | async fn client(mut stream: TcpStream, broker_connection: Sender<ClientEvent>) -> io::Result<()> {
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> src/main.rs:47:17
[INFO] [stderr]    |
[INFO] [stderr] 47 | async fn client(mut stream: TcpStream, broker_connection: Sender<ClientEvent>) -> io::Result<()> {
[INFO] [stderr]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `broker_connection`
[INFO] [stderr]   --> src/main.rs:47:40
[INFO] [stderr]    |
[INFO] [stderr] 47 | async fn client(mut stream: TcpStream, broker_connection: Sender<ClientEvent>) -> io::Result<()> {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_broker_connection`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `broker_sender`
[INFO] [stderr]   --> src/main.rs:71:14
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let (broker_sender, broker_receiver) = channel(10);
[INFO] [stderr]    |              ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_broker_sender`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> src/main.rs:75:24
[INFO] [stderr]    |
[INFO] [stderr] 75 |         while let Some(stream) = incoming.next().await {
[INFO] [stderr]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Connect`
[INFO] [stderr]   --> src/main.rs:24:4
[INFO] [stderr]    |
[INFO] [stderr] 24 |    Connect(Client),
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Message`
[INFO] [stderr]   --> src/main.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 |    Message { name: String, msg: String },
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Disconnect`
[INFO] [stderr]   --> src/main.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 |    Disconnect { name: String },
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `client`
[INFO] [stderr]   --> src/main.rs:47:10
[INFO] [stderr]    |
[INFO] [stderr] 47 | async fn client(mut stream: TcpStream, broker_connection: Sender<ClientEvent>) -> io::Result<()> {
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.17s
[INFO] running `"docker" "inspect" "0b22fcd628db1b22d2ca8a1bae8702481a7cf2f78a3f5a7c421d42c031d741e8"`
[INFO] running `"docker" "rm" "-f" "0b22fcd628db1b22d2ca8a1bae8702481a7cf2f78a3f5a7c421d42c031d741e8"`
[INFO] [stdout] 0b22fcd628db1b22d2ca8a1bae8702481a7cf2f78a3f5a7c421d42c031d741e8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 891ade29d20b14742dfb37b0c244bcf778164c2910ecf118497e58af90d0dcad
[INFO] running `"docker" "start" "-a" "891ade29d20b14742dfb37b0c244bcf778164c2910ecf118497e58af90d0dcad"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling async-chat-template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `async_std::io::BufReader`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use async_std::io::BufReader;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:47:17
[INFO] [stderr]    |
[INFO] [stderr] 47 | async fn client(mut stream: TcpStream, broker_connection: Sender<ClientEvent>) -> io::Result<()> {
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> src/main.rs:47:17
[INFO] [stderr]    |
[INFO] [stderr] 47 | async fn client(mut stream: TcpStream, broker_connection: Sender<ClientEvent>) -> io::Result<()> {
[INFO] [stderr]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `broker_connection`
[INFO] [stderr]   --> src/main.rs:47:40
[INFO] [stderr]    |
[INFO] [stderr] 47 | async fn client(mut stream: TcpStream, broker_connection: Sender<ClientEvent>) -> io::Result<()> {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_broker_connection`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `broker_sender`
[INFO] [stderr]   --> src/main.rs:71:14
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let (broker_sender, broker_receiver) = channel(10);
[INFO] [stderr]    |              ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_broker_sender`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> src/main.rs:75:24
[INFO] [stderr]    |
[INFO] [stderr] 75 |         while let Some(stream) = incoming.next().await {
[INFO] [stderr]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Connect`
[INFO] [stderr]   --> src/main.rs:24:4
[INFO] [stderr]    |
[INFO] [stderr] 24 |    Connect(Client),
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Message`
[INFO] [stderr]   --> src/main.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 |    Message { name: String, msg: String },
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Disconnect`
[INFO] [stderr]   --> src/main.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 |    Disconnect { name: String },
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `client`
[INFO] [stderr]   --> src/main.rs:47:10
[INFO] [stderr]    |
[INFO] [stderr] 47 | async fn client(mut stream: TcpStream, broker_connection: Sender<ClientEvent>) -> io::Result<()> {
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "891ade29d20b14742dfb37b0c244bcf778164c2910ecf118497e58af90d0dcad"`
[INFO] running `"docker" "rm" "-f" "891ade29d20b14742dfb37b0c244bcf778164c2910ecf118497e58af90d0dcad"`
[INFO] [stdout] 891ade29d20b14742dfb37b0c244bcf778164c2910ecf118497e58af90d0dcad
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a69d865c441e2d81856b60359704ff07269f4f84b1c602fdc5095ae76ca22adc
[INFO] running `"docker" "start" "-a" "a69d865c441e2d81856b60359704ff07269f4f84b1c602fdc5095ae76ca22adc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `async_std::io::BufReader`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use async_std::io::BufReader;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:47:17
[INFO] [stderr]    |
[INFO] [stderr] 47 | async fn client(mut stream: TcpStream, broker_connection: Sender<ClientEvent>) -> io::Result<()> {
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> src/main.rs:47:17
[INFO] [stderr]    |
[INFO] [stderr] 47 | async fn client(mut stream: TcpStream, broker_connection: Sender<ClientEvent>) -> io::Result<()> {
[INFO] [stderr]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `broker_connection`
[INFO] [stderr]   --> src/main.rs:47:40
[INFO] [stderr]    |
[INFO] [stderr] 47 | async fn client(mut stream: TcpStream, broker_connection: Sender<ClientEvent>) -> io::Result<()> {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_broker_connection`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `broker_sender`
[INFO] [stderr]   --> src/main.rs:71:14
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let (broker_sender, broker_receiver) = channel(10);
[INFO] [stderr]    |              ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_broker_sender`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> src/main.rs:75:24
[INFO] [stderr]    |
[INFO] [stderr] 75 |         while let Some(stream) = incoming.next().await {
[INFO] [stderr]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Connect`
[INFO] [stderr]   --> src/main.rs:24:4
[INFO] [stderr]    |
[INFO] [stderr] 24 |    Connect(Client),
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Message`
[INFO] [stderr]   --> src/main.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 |    Message { name: String, msg: String },
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Disconnect`
[INFO] [stderr]   --> src/main.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 |    Disconnect { name: String },
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `client`
[INFO] [stderr]   --> src/main.rs:47:10
[INFO] [stderr]    |
[INFO] [stderr] 47 | async fn client(mut stream: TcpStream, broker_connection: Sender<ClientEvent>) -> io::Result<()> {
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/async_chat_template-2bb94d2a53db5cc5
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a69d865c441e2d81856b60359704ff07269f4f84b1c602fdc5095ae76ca22adc"`
[INFO] running `"docker" "rm" "-f" "a69d865c441e2d81856b60359704ff07269f4f84b1c602fdc5095ae76ca22adc"`
[INFO] [stdout] a69d865c441e2d81856b60359704ff07269f4f84b1c602fdc5095ae76ca22adc