[INFO] cloning repository https://github.com/rust-gjk/ChatApp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-gjk/ChatApp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-gjk%2FChatApp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-gjk%2FChatApp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] adaca4248db672f4cb4e205437cc1d2278abc985
[INFO] checking rust-gjk/ChatApp against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-gjk%2FChatApp" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-gjk/ChatApp on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-gjk/ChatApp
[INFO] finished tweaking git repo https://github.com/rust-gjk/ChatApp
[INFO] tweaked toml for git repo https://github.com/rust-gjk/ChatApp written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-gjk/ChatApp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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] fe502b2c344814ae885ff53b56a38c1208935e527c84fe091b74608be976526b
[INFO] running `Command { std: "docker" "start" "-a" "fe502b2c344814ae885ff53b56a38c1208935e527c84fe091b74608be976526b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe502b2c344814ae885ff53b56a38c1208935e527c84fe091b74608be976526b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe502b2c344814ae885ff53b56a38c1208935e527c84fe091b74608be976526b", kill_on_drop: false }`
[INFO] [stdout] fe502b2c344814ae885ff53b56a38c1208935e527c84fe091b74608be976526b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8f1dc9e7f4e543fa3b232f4f36b8fb0766fb43083565ae620b226e52c18c5a7
[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" "e8f1dc9e7f4e543fa3b232f4f36b8fb0766fb43083565ae620b226e52c18c5a7", kill_on_drop: false }`
[INFO] [stderr] Checking byteorder v1.2.2
[INFO] [stderr] Checking serde v1.0.44
[INFO] [stderr] Checking text_io v0.1.7
[INFO] [stderr] Compiling proc-macro2 v0.3.8
[INFO] [stderr] Compiling quote v0.5.2
[INFO] [stderr] Compiling syn v0.13.4
[INFO] [stderr] Compiling serde_derive_internals v0.23.1
[INFO] [stderr] Checking serde_cbor v0.8.2
[INFO] [stderr] Compiling serde_derive v1.0.44
[INFO] [stderr] Checking ChatApp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `ChatApp` should have a snake case name
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] = help: convert the identifier to snake case: `chat_app`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: crate `ChatApp` should have a snake case name
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] = help: convert the identifier to snake case: `chat_app`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout] --> src/server.rs:4:9
[INFO] [stdout] |
[INFO] [stdout] 4 | let mut socket = UdpSocket::bind("0.0.0.0:12345").unwrap();
[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/server.rs:4:9
[INFO] [stdout] |
[INFO] [stdout] 4 | let mut socket = UdpSocket::bind("0.0.0.0:12345").unwrap();
[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: unused `std::result::Result` that must be used
[INFO] [stdout] --> src/client.rs:14:5
[INFO] [stdout] |
[INFO] [stdout] 14 | recv_socket.send(b"connected");
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout] --> src/client.rs:19:6
[INFO] [stdout] |
[INFO] [stdout] 19 | send_socket.send(zprava.as_bytes());
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout] --> src/client.rs:14:5
[INFO] [stdout] |
[INFO] [stdout] 14 | recv_socket.send(b"connected");
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout] --> src/client.rs:19:6
[INFO] [stdout] |
[INFO] [stdout] 19 | send_socket.send(zprava.as_bytes());
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 23.82s
[INFO] running `Command { std: "docker" "inspect" "e8f1dc9e7f4e543fa3b232f4f36b8fb0766fb43083565ae620b226e52c18c5a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8f1dc9e7f4e543fa3b232f4f36b8fb0766fb43083565ae620b226e52c18c5a7", kill_on_drop: false }`
[INFO] [stdout] e8f1dc9e7f4e543fa3b232f4f36b8fb0766fb43083565ae620b226e52c18c5a7