[INFO] cloning repository https://github.com/glasses-n-contacts/rust-chat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/glasses-n-contacts/rust-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglasses-n-contacts%2Frust-chat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglasses-n-contacts%2Frust-chat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0fca64e1c6464c28e216859ca78b24a855bb4621 [INFO] testing glasses-n-contacts/rust-chat against 1.75.0 for beta-1.76-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglasses-n-contacts%2Frust-chat" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/glasses-n-contacts/rust-chat on toolchain 1.75.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/glasses-n-contacts/rust-chat [INFO] finished tweaking git repo https://github.com/glasses-n-contacts/rust-chat [INFO] tweaked toml for git repo https://github.com/glasses-n-contacts/rust-chat written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/glasses-n-contacts/rust-chat 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded redox_syscall v0.1.38 [INFO] [stderr] Downloaded byteorder v1.2.3 [INFO] [stderr] Downloaded net2 v0.2.32 [INFO] [stderr] Downloaded libc v0.2.41 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b7dfa107982e776358f5f1d00f82cacd99e5a3bb64a4cd2077a8160945e22ceb [INFO] running `Command { std: "docker" "start" "-a" "b7dfa107982e776358f5f1d00f82cacd99e5a3bb64a4cd2077a8160945e22ceb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b7dfa107982e776358f5f1d00f82cacd99e5a3bb64a4cd2077a8160945e22ceb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7dfa107982e776358f5f1d00f82cacd99e5a3bb64a4cd2077a8160945e22ceb", kill_on_drop: false }` [INFO] [stdout] b7dfa107982e776358f5f1d00f82cacd99e5a3bb64a4cd2077a8160945e22ceb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d7a5272ee5bb562e5d71f8902f290b27033f31425cdd4bafe61aa187f687604f [INFO] running `Command { std: "docker" "start" "-a" "d7a5272ee5bb562e5d71f8902f290b27033f31425cdd4bafe61aa187f687604f", kill_on_drop: false }` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling libc v0.2.41 [INFO] [stderr] Compiling cfg-if v0.1.3 [INFO] [stderr] Compiling winapi v0.2.8 [INFO] [stderr] Compiling gcc v0.3.54 [INFO] [stderr] Compiling bitflags v0.4.0 [INFO] [stderr] Compiling byteorder v1.2.3 [INFO] [stderr] Compiling slab v0.1.3 [INFO] [stderr] Compiling bytes v0.3.0 [INFO] [stderr] Compiling log v0.4.1 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling ws2_32-sys v0.2.1 [INFO] [stderr] Compiling sha1 v0.1.1 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling net2 v0.2.32 [INFO] [stderr] Compiling time v0.1.40 [INFO] [stderr] Compiling nix v0.5.1 [INFO] [stderr] Compiling miow v0.1.5 [INFO] [stderr] Compiling http-muncher v0.2.5 [INFO] [stderr] Compiling mio v0.5.1 [INFO] [stderr] Compiling chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:87:19 [INFO] [stdout] | [INFO] [stdout] 87 | let buf = try!(input.read_u16::()); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:90:19 [INFO] [stdout] | [INFO] [stdout] 90 | let len = try!(Self::read_length(header.payload_length, input)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:92:24 [INFO] [stdout] | [INFO] [stdout] 92 | let mask = try!(Self::read_mask(input)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:97:27 [INFO] [stdout] | [INFO] [stdout] 97 | let mut payload = try!(Self::read_payload(len, input)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:142:9 [INFO] [stdout] | [INFO] [stdout] 142 | try!(input.read(&mut buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:149:9 [INFO] [stdout] | [INFO] [stdout] 149 | try!(input.read(&mut payload)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:176:9 [INFO] [stdout] | [INFO] [stdout] 176 | try!(output.write_u16::(hdr)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:185:9 [INFO] [stdout] | [INFO] [stdout] 185 | try!(output.write(&self.payload)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:180:32 [INFO] [stdout] | [INFO] [stdout] 180 | PAYLOAD_LEN_U16 => try!(output.write_u16::(self.payload.len() as u16)), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:181:32 [INFO] [stdout] | [INFO] [stdout] 181 | PAYLOAD_LEN_U64 => try!(output.write_u64::(self.payload.len() as u64)), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/socket_server.rs:43:25 [INFO] [stdout] | [INFO] [stdout] 43 | let mut client = self.clients.get_mut(&token).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: field `mask` is never read [INFO] [stdout] --> src/socket_client/frame.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 69 | pub struct WebSocketFrame { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 70 | header: WebSocketFrameHeader, [INFO] [stdout] 71 | mask: Option<[u8; 4]>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `WebSocketFrame` 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: unused `Result` that must be used [INFO] [stdout] --> src/socket_client/frame.rs:202:13 [INFO] [stdout] | [INFO] [stdout] 202 | body.write(status_code); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 202 | let _ = body.write(status_code); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/socket_server.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | client.socket.shutdown(Shutdown::Both); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 65 | let _ = client.socket.shutdown(Shutdown::Both); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/socket_server.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | event_loop.deregister(&client.socket); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 66 | let _ = event_loop.deregister(&client.socket); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.98s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "d7a5272ee5bb562e5d71f8902f290b27033f31425cdd4bafe61aa187f687604f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7a5272ee5bb562e5d71f8902f290b27033f31425cdd4bafe61aa187f687604f", kill_on_drop: false }` [INFO] [stdout] d7a5272ee5bb562e5d71f8902f290b27033f31425cdd4bafe61aa187f687604f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f5bd711982fb719a2c29a5ac3758f2f598d3ca5945a24306e291c5fd9c51dcba [INFO] running `Command { std: "docker" "start" "-a" "f5bd711982fb719a2c29a5ac3758f2f598d3ca5945a24306e291c5fd9c51dcba", kill_on_drop: false }` [INFO] [stderr] Compiling chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:87:19 [INFO] [stdout] | [INFO] [stdout] 87 | let buf = try!(input.read_u16::()); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:90:19 [INFO] [stdout] | [INFO] [stdout] 90 | let len = try!(Self::read_length(header.payload_length, input)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:92:24 [INFO] [stdout] | [INFO] [stdout] 92 | let mask = try!(Self::read_mask(input)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:97:27 [INFO] [stdout] | [INFO] [stdout] 97 | let mut payload = try!(Self::read_payload(len, input)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:142:9 [INFO] [stdout] | [INFO] [stdout] 142 | try!(input.read(&mut buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:149:9 [INFO] [stdout] | [INFO] [stdout] 149 | try!(input.read(&mut payload)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:176:9 [INFO] [stdout] | [INFO] [stdout] 176 | try!(output.write_u16::(hdr)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:185:9 [INFO] [stdout] | [INFO] [stdout] 185 | try!(output.write(&self.payload)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:180:32 [INFO] [stdout] | [INFO] [stdout] 180 | PAYLOAD_LEN_U16 => try!(output.write_u16::(self.payload.len() as u16)), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:181:32 [INFO] [stdout] | [INFO] [stdout] 181 | PAYLOAD_LEN_U64 => try!(output.write_u64::(self.payload.len() as u64)), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/socket_server.rs:43:25 [INFO] [stdout] | [INFO] [stdout] 43 | let mut client = self.clients.get_mut(&token).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: field `mask` is never read [INFO] [stdout] --> src/socket_client/frame.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 69 | pub struct WebSocketFrame { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 70 | header: WebSocketFrameHeader, [INFO] [stdout] 71 | mask: Option<[u8; 4]>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `WebSocketFrame` 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: unused `Result` that must be used [INFO] [stdout] --> src/socket_client/frame.rs:202:13 [INFO] [stdout] | [INFO] [stdout] 202 | body.write(status_code); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 202 | let _ = body.write(status_code); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/socket_server.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | client.socket.shutdown(Shutdown::Both); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 65 | let _ = client.socket.shutdown(Shutdown::Both); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/socket_server.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | event_loop.deregister(&client.socket); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 66 | let _ = event_loop.deregister(&client.socket); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:87:19 [INFO] [stdout] | [INFO] [stdout] 87 | let buf = try!(input.read_u16::()); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:90:19 [INFO] [stdout] | [INFO] [stdout] 90 | let len = try!(Self::read_length(header.payload_length, input)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:92:24 [INFO] [stdout] | [INFO] [stdout] 92 | let mask = try!(Self::read_mask(input)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:97:27 [INFO] [stdout] | [INFO] [stdout] 97 | let mut payload = try!(Self::read_payload(len, input)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:142:9 [INFO] [stdout] | [INFO] [stdout] 142 | try!(input.read(&mut buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:149:9 [INFO] [stdout] | [INFO] [stdout] 149 | try!(input.read(&mut payload)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:176:9 [INFO] [stdout] | [INFO] [stdout] 176 | try!(output.write_u16::(hdr)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:185:9 [INFO] [stdout] | [INFO] [stdout] 185 | try!(output.write(&self.payload)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:180:32 [INFO] [stdout] | [INFO] [stdout] 180 | PAYLOAD_LEN_U16 => try!(output.write_u16::(self.payload.len() as u16)), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/socket_client/frame.rs:181:32 [INFO] [stdout] | [INFO] [stdout] 181 | PAYLOAD_LEN_U64 => try!(output.write_u64::(self.payload.len() as u64)), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/socket_server.rs:43:25 [INFO] [stdout] | [INFO] [stdout] 43 | let mut client = self.clients.get_mut(&token).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: field `mask` is never read [INFO] [stdout] --> src/socket_client/frame.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 69 | pub struct WebSocketFrame { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 70 | header: WebSocketFrameHeader, [INFO] [stdout] 71 | mask: Option<[u8; 4]>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `WebSocketFrame` 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: unused `Result` that must be used [INFO] [stdout] --> src/socket_client/frame.rs:202:13 [INFO] [stdout] | [INFO] [stdout] 202 | body.write(status_code); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 202 | let _ = body.write(status_code); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/socket_server.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | client.socket.shutdown(Shutdown::Both); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 65 | let _ = client.socket.shutdown(Shutdown::Both); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/socket_server.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | event_loop.deregister(&client.socket); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 66 | let _ = event_loop.deregister(&client.socket); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.80s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "f5bd711982fb719a2c29a5ac3758f2f598d3ca5945a24306e291c5fd9c51dcba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5bd711982fb719a2c29a5ac3758f2f598d3ca5945a24306e291c5fd9c51dcba", kill_on_drop: false }` [INFO] [stdout] f5bd711982fb719a2c29a5ac3758f2f598d3ca5945a24306e291c5fd9c51dcba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d446b5e9be74ad63f17acd68cbf544c3a8ea7985e67cefffe5788cd55f6c2500 [INFO] running `Command { std: "docker" "start" "-a" "d446b5e9be74ad63f17acd68cbf544c3a8ea7985e67cefffe5788cd55f6c2500", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:87:19 [INFO] [stderr] | [INFO] [stderr] 87 | let buf = try!(input.read_u16::()); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:90:19 [INFO] [stderr] | [INFO] [stderr] 90 | let len = try!(Self::read_length(header.payload_length, input)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:92:24 [INFO] [stderr] | [INFO] [stderr] 92 | let mask = try!(Self::read_mask(input)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:97:27 [INFO] [stderr] | [INFO] [stderr] 97 | let mut payload = try!(Self::read_payload(len, input)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:142:9 [INFO] [stderr] | [INFO] [stderr] 142 | try!(input.read(&mut buf)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:149:9 [INFO] [stderr] | [INFO] [stderr] 149 | try!(input.read(&mut payload)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:176:9 [INFO] [stderr] | [INFO] [stderr] 176 | try!(output.write_u16::(hdr)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:185:9 [INFO] [stderr] | [INFO] [stderr] 185 | try!(output.write(&self.payload)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:180:32 [INFO] [stderr] | [INFO] [stderr] 180 | PAYLOAD_LEN_U16 => try!(output.write_u16::(self.payload.len() as u16)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:181:32 [INFO] [stderr] | [INFO] [stderr] 181 | PAYLOAD_LEN_U64 => try!(output.write_u64::(self.payload.len() as u64)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/socket_server.rs:43:25 [INFO] [stderr] | [INFO] [stderr] 43 | let mut client = self.clients.get_mut(&token).unwrap(); [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: field `mask` is never read [INFO] [stderr] --> src/socket_client/frame.rs:71:5 [INFO] [stderr] | [INFO] [stderr] 69 | pub struct WebSocketFrame { [INFO] [stderr] | -------------- field in this struct [INFO] [stderr] 70 | header: WebSocketFrameHeader, [INFO] [stderr] 71 | mask: Option<[u8; 4]>, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `WebSocketFrame` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/socket_client/frame.rs:202:13 [INFO] [stderr] | [INFO] [stderr] 202 | body.write(status_code); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 202 | let _ = body.write(status_code); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/socket_server.rs:65:13 [INFO] [stderr] | [INFO] [stderr] 65 | client.socket.shutdown(Shutdown::Both); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 65 | let _ = client.socket.shutdown(Shutdown::Both); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/socket_server.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | event_loop.deregister(&client.socket); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 66 | let _ = event_loop.deregister(&client.socket); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `chat` (lib) generated 15 warnings (run `cargo fix --lib -p chat` to apply 1 suggestion) [INFO] [stderr] warning: `chat` (lib test) generated 15 warnings (15 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chat-2080eb9a7c70addd) [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 src/main.rs (/opt/rustwide/target/debug/deps/chat-0fd73808a7fb09dd) [INFO] [stdout] [INFO] [stderr] Doc-tests chat [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] [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" "d446b5e9be74ad63f17acd68cbf544c3a8ea7985e67cefffe5788cd55f6c2500", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d446b5e9be74ad63f17acd68cbf544c3a8ea7985e67cefffe5788cd55f6c2500", kill_on_drop: false }` [INFO] [stdout] d446b5e9be74ad63f17acd68cbf544c3a8ea7985e67cefffe5788cd55f6c2500