[INFO] cloning repository https://github.com/sxhxliang/lsp-client [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sxhxliang/lsp-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsxhxliang%2Flsp-client", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsxhxliang%2Flsp-client'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsxhxliang%2Flsp-client: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/sxhxliang/lsp-client [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sxhxliang/lsp-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsxhxliang%2Flsp-client", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsxhxliang%2Flsp-client'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6b30f0d75c2379712c7f23d65a06324fd943546f [INFO] checking sxhxliang/lsp-client against master#f7b43542838f0a4a6cfdb17fbeadf45002042a77 for pr-138499 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsxhxliang%2Flsp-client" "/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/sxhxliang/lsp-client on toolchain f7b43542838f0a4a6cfdb17fbeadf45002042a77 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sxhxliang/lsp-client [INFO] finished tweaking git repo https://github.com/sxhxliang/lsp-client [INFO] tweaked toml for git repo https://github.com/sxhxliang/lsp-client written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sxhxliang/lsp-client 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" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded jsonrpc-lite v0.6.0 [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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 052670f2d407fc62a475fdaf9c943bc4a9184150a0691c5b1e4fa78ab3e7eb40 [INFO] running `Command { std: "docker" "start" "-a" "052670f2d407fc62a475fdaf9c943bc4a9184150a0691c5b1e4fa78ab3e7eb40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "052670f2d407fc62a475fdaf9c943bc4a9184150a0691c5b1e4fa78ab3e7eb40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "052670f2d407fc62a475fdaf9c943bc4a9184150a0691c5b1e4fa78ab3e7eb40", kill_on_drop: false }` [INFO] [stdout] 052670f2d407fc62a475fdaf9c943bc4a9184150a0691c5b1e4fa78ab3e7eb40 [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=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 553efa19cb2eb5f12e5afbd526a5529d291d1075ef1ffcc6c4ce02a0c4fb13b7 [INFO] running `Command { std: "docker" "start" "-a" "553efa19cb2eb5f12e5afbd526a5529d291d1075ef1ffcc6c4ce02a0c4fb13b7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.82 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling serde v1.0.203 [INFO] [stderr] Compiling serde_json v1.0.117 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.64 [INFO] [stderr] Compiling serde_derive v1.0.203 [INFO] [stderr] Checking jsonrpc-lite v0.6.0 [INFO] [stderr] Checking lsp-client v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused macro definition: `print_err` [INFO] [stdout] --> src/parsing.rs:31:14 [INFO] [stdout] | [INFO] [stdout] 31 | macro_rules! print_err { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `print_err` [INFO] [stdout] --> src/parsing.rs:31:14 [INFO] [stdout] | [INFO] [stdout] 31 | macro_rules! print_err { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/parsing.rs:142:52 [INFO] [stdout] | [INFO] [stdout] 142 | assert_eq!(parse_header(header).ok(), Some((LspHeader::ContentLength(132)))); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 142 - assert_eq!(parse_header(header).ok(), Some((LspHeader::ContentLength(132)))); [INFO] [stdout] 142 + assert_eq!(parse_header(header).ok(), Some(LspHeader::ContentLength(132))); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::channel` [INFO] [stdout] --> src/client.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use std::sync::mpsc::channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::channel` [INFO] [stdout] --> src/client.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use std::sync::mpsc::channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Error` [INFO] [stdout] --> src/client.rs:33:20 [INFO] [stdout] | [INFO] [stdout] 33 | use jsonrpc_lite::{Error, Id, JsonRpc}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Error` [INFO] [stdout] --> src/client.rs:33:20 [INFO] [stdout] | [INFO] [stdout] 33 | use jsonrpc_lite::{Error, Id, JsonRpc}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/client.rs:198:20 [INFO] [stdout] | [INFO] [stdout] 198 | if let Err(err) = parsed_value { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id` [INFO] [stdout] --> src/client.rs:232:35 [INFO] [stdout] | [INFO] [stdout] 232 | (Some(Id::Num(id)), Some(response), Some(error)) => { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `response` [INFO] [stdout] --> src/client.rs:232:46 [INFO] [stdout] | [INFO] [stdout] 232 | (Some(Id::Num(id)), Some(response), Some(error)) => { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/client.rs:232:62 [INFO] [stdout] | [INFO] [stdout] 232 | (Some(Id::Num(id)), Some(response), Some(error)) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/client.rs:198:20 [INFO] [stdout] | [INFO] [stdout] 198 | if let Err(err) = parsed_value { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id` [INFO] [stdout] --> src/client.rs:232:35 [INFO] [stdout] | [INFO] [stdout] 232 | (Some(Id::Num(id)), Some(response), Some(error)) => { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `response` [INFO] [stdout] --> src/client.rs:232:46 [INFO] [stdout] | [INFO] [stdout] 232 | (Some(Id::Num(id)), Some(response), Some(error)) => { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/client.rs:232:62 [INFO] [stdout] | [INFO] [stdout] 232 | (Some(Id::Num(id)), Some(response), Some(error)) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parsing.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 47 | Io(io::Error), [INFO] [stdout] | -- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ParseError` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 47 - Io(io::Error), [INFO] [stdout] 47 + Io(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parsing.rs:48:14 [INFO] [stdout] | [INFO] [stdout] 48 | ParseInt(std::num::ParseIntError), [INFO] [stdout] | -------- ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 48 - ParseInt(std::num::ParseIntError), [INFO] [stdout] 48 + ParseInt(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parsing.rs:49:10 [INFO] [stdout] | [INFO] [stdout] 49 | Utf8(std::string::FromUtf8Error), [INFO] [stdout] | ---- ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 49 - Utf8(std::string::FromUtf8Error), [INFO] [stdout] 49 + Utf8(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parsing.rs:50:10 [INFO] [stdout] | [INFO] [stdout] 50 | Json(serde_json::Error), [INFO] [stdout] | ---- ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 50 - Json(serde_json::Error), [INFO] [stdout] 50 + Json(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parsing.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | Unknown(String), [INFO] [stdout] | ------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 51 - Unknown(String), [INFO] [stdout] 51 + Unknown(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `write` is never used [INFO] [stdout] --> src/client.rs:189:8 [INFO] [stdout] | [INFO] [stdout] 175 | impl LanguageServerRef { [INFO] [stdout] | ----------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 189 | fn write(&self, msg: &str) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parsing.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 47 | Io(io::Error), [INFO] [stdout] | -- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ParseError` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 47 - Io(io::Error), [INFO] [stdout] 47 + Io(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parsing.rs:48:14 [INFO] [stdout] | [INFO] [stdout] 48 | ParseInt(std::num::ParseIntError), [INFO] [stdout] | -------- ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 48 - ParseInt(std::num::ParseIntError), [INFO] [stdout] 48 + ParseInt(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parsing.rs:49:10 [INFO] [stdout] | [INFO] [stdout] 49 | Utf8(std::string::FromUtf8Error), [INFO] [stdout] | ---- ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 49 - Utf8(std::string::FromUtf8Error), [INFO] [stdout] 49 + Utf8(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parsing.rs:50:10 [INFO] [stdout] | [INFO] [stdout] 50 | Json(serde_json::Error), [INFO] [stdout] | ---- ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 50 - Json(serde_json::Error), [INFO] [stdout] 50 + Json(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parsing.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | Unknown(String), [INFO] [stdout] | ------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 51 - Unknown(String), [INFO] [stdout] 51 + Unknown(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `write` is never used [INFO] [stdout] --> src/client.rs:189:8 [INFO] [stdout] | [INFO] [stdout] 175 | impl LanguageServerRef { [INFO] [stdout] | ----------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 189 | fn write(&self, msg: &str) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> examples/demo.rs:23:1 [INFO] [stdout] | [INFO] [stdout] 23 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> examples/demo.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Value` [INFO] [stdout] --> examples/demo.rs:36:24 [INFO] [stdout] | [INFO] [stdout] 36 | use serde_json::{json, Value}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> examples/demo.rs:242:15 [INFO] [stdout] | [INFO] [stdout] 242 | if let Ok(s) = &child.output() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/demo.rs:227:5 [INFO] [stdout] | [INFO] [stdout] 227 | child.wait(); [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] 227 | let _ = child.wait(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.73s [INFO] running `Command { std: "docker" "inspect" "553efa19cb2eb5f12e5afbd526a5529d291d1075ef1ffcc6c4ce02a0c4fb13b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "553efa19cb2eb5f12e5afbd526a5529d291d1075ef1ffcc6c4ce02a0c4fb13b7", kill_on_drop: false }` [INFO] [stdout] 553efa19cb2eb5f12e5afbd526a5529d291d1075ef1ffcc6c4ce02a0c4fb13b7