[INFO] cloning repository https://github.com/BlockListed/minecraft_proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BlockListed/minecraft_proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlockListed%2Fminecraft_proxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlockListed%2Fminecraft_proxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f03784e97ad43ea7a6b46c91780c74bb91a488c
[INFO] checking BlockListed/minecraft_proxy against 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa for pr-159356
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlockListed%2Fminecraft_proxy" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BlockListed/minecraft_proxy
[INFO] finished tweaking git repo https://github.com/BlockListed/minecraft_proxy
[INFO] tweaked toml for git repo https://github.com/BlockListed/minecraft_proxy written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BlockListed/minecraft_proxy on toolchain 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BlockListed/minecraft_proxy 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" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "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-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c36f533e8924a726b63f9d01e781fa8c8c28c96d1d595403829afb31452ee0f5" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "470f4b370b5b0b6b2f2d004c43fb379bdc936afbd73c5a5516e0182b0f687a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "470f4b370b5b0b6b2f2d004c43fb379bdc936afbd73c5a5516e0182b0f687a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "470f4b370b5b0b6b2f2d004c43fb379bdc936afbd73c5a5516e0182b0f687a78" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "470f4b370b5b0b6b2f2d004c43fb379bdc936afbd73c5a5516e0182b0f687a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "470f4b370b5b0b6b2f2d004c43fb379bdc936afbd73c5a5516e0182b0f687a78" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: fields `version`, `description`, `favicon`, `enforces_secure_chat`, and `previews_chat` are never read
[INFO] [stdout]    --> src/protocol/parsing.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 266 | pub struct JsonStatusResponse {
[INFO] [stdout]     |            ------------------ fields in this struct
[INFO] [stdout] 267 |     pub version: JsonVersion,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 268 |     pub players: JsonPlayers,
[INFO] [stdout] 269 |     pub description: JsonDescription,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 270 |     pub favicon: Option<String>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 271 |     #[serde(rename = "enforcesSecureChat", default)]
[INFO] [stdout] 272 |     pub enforces_secure_chat: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 273 |     #[serde(rename = "previewsChat", default)]
[INFO] [stdout] 274 |     pub previews_chat: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `JsonStatusResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `protocol` are never read
[INFO] [stdout]    --> src/protocol/parsing.rs:279:9
[INFO] [stdout]     |
[INFO] [stdout] 278 | pub struct JsonVersion {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 279 |     pub name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 280 |     pub protocol: i32,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `JsonVersion` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `max` and `sample` are never read
[INFO] [stdout]    --> src/protocol/parsing.rs:285:9
[INFO] [stdout]     |
[INFO] [stdout] 284 | pub struct JsonPlayers {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 285 |     pub max: u32,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 286 |     pub online: u32,
[INFO] [stdout] 287 |     pub sample: Option<Vec<JsonPlayer>>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `JsonPlayers` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `id` are never read
[INFO] [stdout]    --> src/protocol/parsing.rs:292:9
[INFO] [stdout]     |
[INFO] [stdout] 291 | pub struct JsonPlayer {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 292 |     pub name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 293 |     pub id: String,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `JsonPlayer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `text` is never read
[INFO] [stdout]    --> src/protocol/parsing.rs:298:9
[INFO] [stdout]     |
[INFO] [stdout] 297 | pub struct JsonDescription {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 298 |     pub text: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `JsonDescription` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/protocol/parsing.rs:15:34
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut bits: u32 = unsafe { mem::transmute::<_, u32>(v) };
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 15 -     let mut bits: u32 = unsafe { mem::transmute::<_, u32>(v) };
[INFO] [stdout] 15 +     let mut bits: u32 = unsafe { i32::cast_unsigned(v) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/protocol/parsing.rs:65:36
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let output_int: i32 = unsafe { mem::transmute(output) };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 65 -     let output_int: i32 = unsafe { mem::transmute(output) };
[INFO] [stdout] 65 +     let output_int: i32 = unsafe { u32::cast_signed(output) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/protocol/parsing.rs:301:35
[INFO] [stdout]     |
[INFO] [stdout] 301 | pub fn parse_status_response(buf: &[u8]) -> Result<(usize, StatusResponse), ParseError> {
[INFO] [stdout]     |                                   ^^^^^ the lifetime is elided here         ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 301 | pub fn parse_status_response(buf: &[u8]) -> Result<(usize, StatusResponse), ParseError<'_>> {
[INFO] [stdout]     |                                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `version`, `description`, `favicon`, `enforces_secure_chat`, and `previews_chat` are never read
[INFO] [stdout]    --> src/protocol/parsing.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 266 | pub struct JsonStatusResponse {
[INFO] [stdout]     |            ------------------ fields in this struct
[INFO] [stdout] 267 |     pub version: JsonVersion,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 268 |     pub players: JsonPlayers,
[INFO] [stdout] 269 |     pub description: JsonDescription,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 270 |     pub favicon: Option<String>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 271 |     #[serde(rename = "enforcesSecureChat", default)]
[INFO] [stdout] 272 |     pub enforces_secure_chat: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 273 |     #[serde(rename = "previewsChat", default)]
[INFO] [stdout] 274 |     pub previews_chat: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `JsonStatusResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `protocol` are never read
[INFO] [stdout]    --> src/protocol/parsing.rs:279:9
[INFO] [stdout]     |
[INFO] [stdout] 278 | pub struct JsonVersion {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 279 |     pub name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 280 |     pub protocol: i32,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `JsonVersion` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `max` and `sample` are never read
[INFO] [stdout]    --> src/protocol/parsing.rs:285:9
[INFO] [stdout]     |
[INFO] [stdout] 284 | pub struct JsonPlayers {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 285 |     pub max: u32,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 286 |     pub online: u32,
[INFO] [stdout] 287 |     pub sample: Option<Vec<JsonPlayer>>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `JsonPlayers` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `id` are never read
[INFO] [stdout]    --> src/protocol/parsing.rs:292:9
[INFO] [stdout]     |
[INFO] [stdout] 291 | pub struct JsonPlayer {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 292 |     pub name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 293 |     pub id: String,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `JsonPlayer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `text` is never read
[INFO] [stdout]    --> src/protocol/parsing.rs:298:9
[INFO] [stdout]     |
[INFO] [stdout] 297 | pub struct JsonDescription {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 298 |     pub text: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `JsonDescription` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/protocol/parsing.rs:15:34
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut bits: u32 = unsafe { mem::transmute::<_, u32>(v) };
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 15 -     let mut bits: u32 = unsafe { mem::transmute::<_, u32>(v) };
[INFO] [stdout] 15 +     let mut bits: u32 = unsafe { i32::cast_unsigned(v) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/protocol/parsing.rs:65:36
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let output_int: i32 = unsafe { mem::transmute(output) };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 65 -     let output_int: i32 = unsafe { mem::transmute(output) };
[INFO] [stdout] 65 +     let output_int: i32 = unsafe { u32::cast_signed(output) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/protocol/parsing.rs:301:35
[INFO] [stdout]     |
[INFO] [stdout] 301 | pub fn parse_status_response(buf: &[u8]) -> Result<(usize, StatusResponse), ParseError> {
[INFO] [stdout]     |                                   ^^^^^ the lifetime is elided here         ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 301 | pub fn parse_status_response(buf: &[u8]) -> Result<(usize, StatusResponse), ParseError<'_>> {
[INFO] [stdout]     |                                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "470f4b370b5b0b6b2f2d004c43fb379bdc936afbd73c5a5516e0182b0f687a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "470f4b370b5b0b6b2f2d004c43fb379bdc936afbd73c5a5516e0182b0f687a78", kill_on_drop: false }`
[INFO] [stdout] 470f4b370b5b0b6b2f2d004c43fb379bdc936afbd73c5a5516e0182b0f687a78
