[INFO] fetching crate idl 0.1.1...
[INFO] checking idl-0.1.1 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate idl 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate idl 0.1.1
[INFO] finished tweaking crates.io crate idl 0.1.1
[INFO] tweaked toml for crates.io crate idl 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate idl 0.1.1 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate idl 0.1.1 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.143
[INFO] [stderr]   Downloaded unicode-ident v1.0.3
[INFO] [stderr]   Downloaded thiserror-impl v1.0.32
[INFO] [stderr]   Downloaded anyhow v1.0.61
[INFO] [stderr]   Downloaded os_str_bytes v6.3.0
[INFO] [stderr]   Downloaded codespan-reporting v0.9.5
[INFO] [stderr]   Downloaded serde v1.0.143
[INFO] [stderr]   Downloaded thiserror v1.0.32
[INFO] [stderr]   Downloaded clap v3.2.20
[INFO] [stderr]   Downloaded syn v1.0.99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 547e9ba3aa248a815b8aa6ffa862844d3e920d75c8212614ccbc5b77198b4f9c
[INFO] running `Command { std: "docker" "start" "-a" "547e9ba3aa248a815b8aa6ffa862844d3e920d75c8212614ccbc5b77198b4f9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "547e9ba3aa248a815b8aa6ffa862844d3e920d75c8212614ccbc5b77198b4f9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "547e9ba3aa248a815b8aa6ffa862844d3e920d75c8212614ccbc5b77198b4f9c", kill_on_drop: false }`
[INFO] [stdout] 547e9ba3aa248a815b8aa6ffa862844d3e920d75c8212614ccbc5b77198b4f9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1a558dae1091e67a4157f4b098afd4e237cf4e520c8e542315ccbbe6697ee43
[INFO] running `Command { std: "docker" "start" "-a" "b1a558dae1091e67a4157f4b098afd4e237cf4e520c8e542315ccbbe6697ee43", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling serde_derive v1.0.143
[INFO] [stderr]    Compiling serde v1.0.143
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling anyhow v1.0.61
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking keccak v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking codespan-reporting v0.9.5
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking convert_case v0.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking clap v3.2.20
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]     Checking idl v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]   --> src/idl/analyzer.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::fmt::format;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `path::Path`
[INFO] [stdout]   --> src/idl/analyzer.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::{fmt, path::Path};
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `de::value`
[INFO] [stdout]  --> src/ids/nodes.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{de::value, Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::BorrowMut`
[INFO] [stdout]  --> src/module/mod.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{borrow::BorrowMut, collections::HashMap};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/range.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]   --> src/idl/analyzer.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::fmt::format;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `path::Path`
[INFO] [stdout]   --> src/idl/analyzer.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::{fmt, path::Path};
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `de::value`
[INFO] [stdout]  --> src/ids/nodes.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{de::value, Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::BorrowMut`
[INFO] [stdout]  --> src/module/mod.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{borrow::BorrowMut, collections::HashMap};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/range.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Digest`
[INFO] [stdout]   --> src/idl/analyzer.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Digest, Shake128,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Digest`
[INFO] [stdout]   --> src/idl/analyzer.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Digest, Shake128,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/formatting/ids.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut is_comment = false;
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_comment`
[INFO] [stdout]   --> src/formatting/ids.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut is_comment = false;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_comment`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/formatting/ids.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut is_comment = false;
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_comment`
[INFO] [stdout]   --> src/formatting/ids.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut is_comment = false;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_comment`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parsers`
[INFO] [stdout]     --> src/idl/analyzer.rs:1602:9
[INFO] [stdout]      |
[INFO] [stdout] 1602 |         parsers: &parser::Parser,
[INFO] [stdout]      |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parsers`
[INFO] [stdout]     --> src/idl/analyzer.rs:1644:42
[INFO] [stdout]      |
[INFO] [stdout] 1644 |     fn interface_has_invalid_refs(&self, parsers: &parser::Parser) -> Result<(), AnalyzerError> {
[INFO] [stdout]      |                                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parsers`
[INFO] [stdout]     --> src/idl/analyzer.rs:1602:9
[INFO] [stdout]      |
[INFO] [stdout] 1602 |         parsers: &parser::Parser,
[INFO] [stdout]      |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parsers`
[INFO] [stdout]     --> src/idl/analyzer.rs:1644:42
[INFO] [stdout]      |
[INFO] [stdout] 1644 |     fn interface_has_invalid_refs(&self, parsers: &parser::Parser) -> Result<(), AnalyzerError> {
[INFO] [stdout]      |                                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/idl/parser.rs:800:13
[INFO] [stdout]     |
[INFO] [stdout] 794 |             EnumFieldErrorKind::InvalidSymbol(name) => format!("Invalid symbol `{}`", name),
[INFO] [stdout]     |             --------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 800 |             EnumFieldErrorKind::InvalidSymbol(name) => format!("Invalid symbol `{}`", name),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/idl/parser.rs:801:13
[INFO] [stdout]     |
[INFO] [stdout] 796 |             EnumFieldErrorKind::MissingCurlyBracket => "Missing `}`".to_owned(),
[INFO] [stdout]     |             --------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 801 |             EnumFieldErrorKind::MissingCurlyBracket => "Missing `}`".to_owned(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/idl/parser.rs:806:13
[INFO] [stdout]     |
[INFO] [stdout] 797 |             EnumFieldErrorKind::MissingIdentifier => "Missing identifier".to_owned(),
[INFO] [stdout]     |             ------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 806 |             EnumFieldErrorKind::MissingIdentifier => "Missing identifier".to_owned(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/idl/parser.rs:800:13
[INFO] [stdout]     |
[INFO] [stdout] 794 |             EnumFieldErrorKind::InvalidSymbol(name) => format!("Invalid symbol `{}`", name),
[INFO] [stdout]     |             --------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 800 |             EnumFieldErrorKind::InvalidSymbol(name) => format!("Invalid symbol `{}`", name),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/idl/parser.rs:801:13
[INFO] [stdout]     |
[INFO] [stdout] 796 |             EnumFieldErrorKind::MissingCurlyBracket => "Missing `}`".to_owned(),
[INFO] [stdout]     |             --------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 801 |             EnumFieldErrorKind::MissingCurlyBracket => "Missing `}`".to_owned(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/idl/parser.rs:806:13
[INFO] [stdout]     |
[INFO] [stdout] 797 |             EnumFieldErrorKind::MissingIdentifier => "Missing identifier".to_owned(),
[INFO] [stdout]     |             ------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 806 |             EnumFieldErrorKind::MissingIdentifier => "Missing identifier".to_owned(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/idl/parser.rs:3333:25
[INFO] [stdout]      |
[INFO] [stdout] 3333 |                         _ => {
[INFO] [stdout]      |                         ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/idl/parser.rs:3333:25
[INFO] [stdout]      |
[INFO] [stdout] 3297 |                         EnumFieldParsing::Type => {
[INFO] [stdout]      |                         ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 3306 |                         EnumFieldParsing::ExpectingColon => {
[INFO] [stdout]      |                         -------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 3314 |                         EnumFieldParsing::ExpectingIdentifier => {
[INFO] [stdout]      |                         ------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 3327 |                         EnumFieldParsing::ExpectingType => {
[INFO] [stdout]      |                         ------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 3333 |                         _ => {
[INFO] [stdout]      |                         ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/idl/parser.rs:3333:25
[INFO] [stdout]      |
[INFO] [stdout] 3333 |                         _ => {
[INFO] [stdout]      |                         ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/idl/parser.rs:3333:25
[INFO] [stdout]      |
[INFO] [stdout] 3297 |                         EnumFieldParsing::Type => {
[INFO] [stdout]      |                         ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 3306 |                         EnumFieldParsing::ExpectingColon => {
[INFO] [stdout]      |                         -------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 3314 |                         EnumFieldParsing::ExpectingIdentifier => {
[INFO] [stdout]      |                         ------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 3327 |                         EnumFieldParsing::ExpectingType => {
[INFO] [stdout]      |                         ------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 3333 |                         _ => {
[INFO] [stdout]      |                         ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ids/package.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut has_client = false;
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ids/package.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut has_server = false;
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `has_client`
[INFO] [stdout]   --> src/ids/package.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut has_client = false;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `has_server`
[INFO] [stdout]   --> src/ids/package.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut has_server = false;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_server`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ids/package.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut has_client = false;
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ids/package.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut has_server = false;
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `has_client`
[INFO] [stdout]   --> src/ids/package.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut has_client = false;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `has_server`
[INFO] [stdout]   --> src/ids/package.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut has_server = false;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_server`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `push_field_comment` is never used
[INFO] [stdout]   --> src/formatting/ids.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn push_field_comment(body: &mut String, comments: &[String]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `push_comment` is never used
[INFO] [stdout]   --> src/formatting/ids.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn push_comment(body: &mut String, comments: &[String]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `tuple_has_incorrect_stream_type`, `interface_extends_duplicate_type`, `interface_extends_valid_types`, and `has_type_reference` are never used
[INFO] [stdout]     --> src/idl/analyzer.rs:1437:8
[INFO] [stdout]      |
[INFO] [stdout]  155 | impl Analyzer {
[INFO] [stdout]      | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1437 |     fn tuple_has_incorrect_stream_type(
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1559 |     fn interface_extends_duplicate_type(
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1679 |     fn interface_extends_valid_types(
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 2045 |     fn has_type_reference(&self, target: &str, refer: &nodes::TypeName) -> bool {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `modules` is never read
[INFO] [stdout]   --> src/module/mod.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub struct Module {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 70 |     modules: Vec<Module>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Module` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `push_field_comment` is never used
[INFO] [stdout]   --> src/formatting/ids.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn push_field_comment(body: &mut String, comments: &[String]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `push_comment` is never used
[INFO] [stdout]   --> src/formatting/ids.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn push_comment(body: &mut String, comments: &[String]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `tuple_has_incorrect_stream_type`, `interface_extends_duplicate_type`, `interface_extends_valid_types`, and `has_type_reference` are never used
[INFO] [stdout]     --> src/idl/analyzer.rs:1437:8
[INFO] [stdout]      |
[INFO] [stdout]  155 | impl Analyzer {
[INFO] [stdout]      | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1437 |     fn tuple_has_incorrect_stream_type(
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1559 |     fn interface_extends_duplicate_type(
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1679 |     fn interface_extends_valid_types(
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 2045 |     fn has_type_reference(&self, target: &str, refer: &nodes::TypeName) -> bool {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `modules` is never read
[INFO] [stdout]   --> src/module/mod.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub struct Module {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 70 |     modules: Vec<Module>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Module` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::message`
[INFO] [stdout]    --> src/bin/main.rs:855:9
[INFO] [stdout]     |
[INFO] [stdout] 855 |     use super::message;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::message`
[INFO] [stdout]    --> src/bin/main.rs:855:9
[INFO] [stdout]     |
[INFO] [stdout] 855 |     use super::message;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/bin/main.rs:778:52
[INFO] [stdout]     |
[INFO] [stdout] 778 |                 Message::PackageWarning { message, id } => {
[INFO] [stdout]     |                                                    ^^ help: try ignoring the field: `id: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]    --> src/bin/main.rs:801:18
[INFO] [stdout]     |
[INFO] [stdout] 801 |     pub fn parse(matches: &ArgMatches) -> Result<()> {
[INFO] [stdout]     |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/main.rs:821:13
[INFO] [stdout]     |
[INFO] [stdout] 821 |         let mut module = Module::new();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]    --> src/bin/main.rs:820:18
[INFO] [stdout]     |
[INFO] [stdout] 820 |     pub fn parse(matches: &ArgMatches) -> Result<()> {
[INFO] [stdout]     |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `module`
[INFO] [stdout]    --> src/bin/main.rs:821:13
[INFO] [stdout]     |
[INFO] [stdout] 821 |         let mut module = Module::new();
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_module`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EnvError` is never used
[INFO] [stdout]    --> src/bin/main.rs:792:14
[INFO] [stdout]     |
[INFO] [stdout] 792 |     pub enum EnvError {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LanguageError` is never used
[INFO] [stdout]    --> src/bin/main.rs:866:14
[INFO] [stdout]     |
[INFO] [stdout] 866 |     pub enum LanguageError {
[INFO] [stdout]     |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/bin/main.rs:778:52
[INFO] [stdout]     |
[INFO] [stdout] 778 |                 Message::PackageWarning { message, id } => {
[INFO] [stdout]     |                                                    ^^ help: try ignoring the field: `id: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]    --> src/bin/main.rs:801:18
[INFO] [stdout]     |
[INFO] [stdout] 801 |     pub fn parse(matches: &ArgMatches) -> Result<()> {
[INFO] [stdout]     |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/main.rs:821:13
[INFO] [stdout]     |
[INFO] [stdout] 821 |         let mut module = Module::new();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]    --> src/bin/main.rs:820:18
[INFO] [stdout]     |
[INFO] [stdout] 820 |     pub fn parse(matches: &ArgMatches) -> Result<()> {
[INFO] [stdout]     |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `module`
[INFO] [stdout]    --> src/bin/main.rs:821:13
[INFO] [stdout]     |
[INFO] [stdout] 821 |         let mut module = Module::new();
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_module`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EnvError` is never used
[INFO] [stdout]    --> src/bin/main.rs:792:14
[INFO] [stdout]     |
[INFO] [stdout] 792 |     pub enum EnvError {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LanguageError` is never used
[INFO] [stdout]    --> src/bin/main.rs:866:14
[INFO] [stdout]     |
[INFO] [stdout] 866 |     pub enum LanguageError {
[INFO] [stdout]     |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.70s
[INFO] running `Command { std: "docker" "inspect" "b1a558dae1091e67a4157f4b098afd4e237cf4e520c8e542315ccbbe6697ee43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1a558dae1091e67a4157f4b098afd4e237cf4e520c8e542315ccbbe6697ee43", kill_on_drop: false }`
[INFO] [stdout] b1a558dae1091e67a4157f4b098afd4e237cf4e520c8e542315ccbbe6697ee43
