[INFO] fetching crate auto-args 0.3.2...
[INFO] checking auto-args-0.3.2 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate auto-args 0.3.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate auto-args 0.3.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate auto-args 0.3.2
[INFO] tweaked toml for crates.io crate auto-args 0.3.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate auto-args 0.3.2 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded auto-args-derive v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6a8b4741248a97f415de8de721decd4e768d3713abe86257396e5a94171fc06
[INFO] running `Command { std: "docker" "start" "-a" "e6a8b4741248a97f415de8de721decd4e768d3713abe86257396e5a94171fc06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6a8b4741248a97f415de8de721decd4e768d3713abe86257396e5a94171fc06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6a8b4741248a97f415de8de721decd4e768d3713abe86257396e5a94171fc06", kill_on_drop: false }`
[INFO] [stdout] e6a8b4741248a97f415de8de721decd4e768d3713abe86257396e5a94171fc06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2764a0f5dc147e1d8447d6c5d37a2fb680b1b3665c985e88d127b5cd04c1f6ec
[INFO] running `Command { std: "docker" "start" "-a" "2764a0f5dc147e1d8447d6c5d37a2fb680b1b3665c985e88d127b5cd04c1f6ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling auto-args-derive v0.1.5
[INFO] [stderr]     Checking auto-args v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/deeply-nested-with-underscores.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/options.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/enum-error-messages.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/underscore-in-optional-field.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/nested.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/create-guide.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> tests/create-guide.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     /// This gives the following usage.
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 72 |     strings.push(Foo::usage());
[INFO] [stdout]    |     -------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> tests/create-guide.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     /// and the following help message.
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 75 |     strings.push(Foo::help());
[INFO] [stdout]    |     ------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> tests/create-guide.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     /// This gives the following usage.
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 94 |     strings.push(Help::usage());
[INFO] [stdout]    |     --------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> tests/create-guide.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     /// and the following help message.
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 97 |     strings.push(Help::help());
[INFO] [stdout]    |     -------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> tests/create-guide.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |     /// This gives the following usage.
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 121 |     strings.push(Flags::help());
[INFO] [stdout]     |     --------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> tests/create-guide.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     /// This gives the following usage.
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 145 |     strings.push(Types::help());
[INFO] [stdout]     |     --------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> tests/create-guide.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 |     /// This gives the following usage.
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 174 |     strings.push(Optional::help());
[INFO] [stdout]     |     ------------------------------ rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> tests/create-guide.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 201 |     /// This gives the following usage.
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 202 |     strings.push(Exclusive::usage());
[INFO] [stdout]     |     -------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> tests/create-guide.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 |     /// and the following help message.
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 205 |     strings.push(Exclusive::help());
[INFO] [stdout]     |     ------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> tests/create-guide.rs:247:5
[INFO] [stdout]     |
[INFO] [stdout] 247 |     /// This gives the following usage.
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 248 |     strings.push(Nested::help());
[INFO] [stdout]     |     ---------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> tests/create-guide.rs:278:5
[INFO] [stdout]     |
[INFO] [stdout] 278 |     /// This gives the following usage.
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 279 |     strings.push(Flattened::usage());
[INFO] [stdout]     |     -------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> tests/create-guide.rs:281:5
[INFO] [stdout]     |
[INFO] [stdout] 281 |     /// and the following help message.
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 282 |     strings.push(Flattened::help());
[INFO] [stdout]     |     ------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> tests/create-guide.rs:284:5
[INFO] [stdout]     |
[INFO] [stdout] 284 | /     /// This may be a good idea if `MyConfig` and `YourConfig` are
[INFO] [stdout] 285 | |     /// implementation details that your user need not be aware of.
[INFO] [stdout] 286 | |
[INFO] [stdout] 287 | |     /// ## Other possibilities
[INFO] [stdout] ...   |
[INFO] [stdout] 302 | |     /// an issue on github if there is a type that you would like to
[INFO] [stdout] 303 | |     /// have supported by auto_args.  Pull requests are most welcome.
[INFO] [stdout]     | |_____________________________________________________________________^
[INFO] [stdout] 304 |       strings.reverse();
[INFO] [stdout]     |       ----------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/unit-struct.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/unit-struct.rs:31:6
[INFO] [stdout]    |
[INFO] [stdout] 31 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `foo` is never read
[INFO] [stdout]   --> tests/create-guide.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     struct Foo {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 68 |         foo: bool,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `verbose` and `T` are never read
[INFO] [stdout]   --> tests/create-guide.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     struct Help {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 87 |         /// Print excess messages.
[INFO] [stdout] 88 |         verbose: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 89 |         /// The temperature.
[INFO] [stdout] 90 |         T: bool,
[INFO] [stdout]    |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `verbose`, `blue_is_nice_`, and `min_T` are never read
[INFO] [stdout]    --> tests/create-guide.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     struct Flags {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 112 |         /// a simple word has "--" prepended to it.
[INFO] [stdout] 113 |         verbose: bool,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 114 |         /// Underscores are replaced with "-" ...
[INFO] [stdout] 115 |         blue_is_nice_: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 116 |         /// and capital letters are preserved.
[INFO] [stdout] 117 |         min_T: bool,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `T`, and `directory` are never read
[INFO] [stdout]    --> tests/create-guide.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |     struct Types {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 136 |         /// The name of the type
[INFO] [stdout] 137 |         name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 138 |         /// The temperature of the type
[INFO] [stdout] 139 |         T: f64,
[INFO] [stdout]     |         ^
[INFO] [stdout] 140 |         /// The place where it is
[INFO] [stdout] 141 |         directory: std::path::PathBuf,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> tests/create-guide.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |     struct Optional {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 169 |         /// The name is an optional argument.
[INFO] [stdout] 170 |         name: Option<String>,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]    --> tests/create-guide.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |         First {
[INFO] [stdout]     |         ----- fields in this variant
[INFO] [stdout] 188 |             /// This is the "a" value
[INFO] [stdout] 189 |             a: String,
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 193 |             b: String,
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/create-guide.rs:196:20
[INFO] [stdout]     |
[INFO] [stdout] 196 |         SecondFlag(String),
[INFO] [stdout]     |         ---------- ^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         field in this variant
[INFO] [stdout]     |
[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] 196 -         SecondFlag(String),
[INFO] [stdout] 196 +         SecondFlag(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]    --> tests/create-guide.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |     struct Vec2d {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 233 |         x: f64,
[INFO] [stdout]     |         ^
[INFO] [stdout] 234 |         y: f64,
[INFO] [stdout]     |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `position` and `velocity` are never read
[INFO] [stdout]    --> tests/create-guide.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |     struct Nested {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 243 |         position: Vec2d,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 244 |         velocity: Vec2d,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> tests/create-guide.rs:265:9
[INFO] [stdout]     |
[INFO] [stdout] 263 |     struct MyConfig {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 264 |         /// The user's name
[INFO] [stdout] 265 |         name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `address` is never read
[INFO] [stdout]    --> tests/create-guide.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 268 |     struct YourConfig {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 269 |         /// The user's address
[INFO] [stdout] 270 |         address: String,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/underscore-in-optional-field.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     ResumeFrom(String),
[INFO] [stdout]    |     ---------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Params` 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] 16 -     ResumeFrom(String),
[INFO] [stdout] 16 +     ResumeFrom(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sys` is never read
[INFO] [stdout]   --> tests/underscore-in-optional-field.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 |     _Params { sys: SquareWellParams },
[INFO] [stdout]    |     -------   ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Params` 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 `well_width` is never read
[INFO] [stdout]   --> tests/underscore-in-optional-field.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct SquareWellParams {
[INFO] [stdout]    |        ---------------- field in this struct
[INFO] [stdout] 22 |     well_width: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SquareWellParams` 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 `#[macro_use]` import
[INFO] [stdout]  --> tests/enum.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `First_World` should have an upper camel case name
[INFO] [stdout]   --> tests/enum.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         First_World,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: convert the identifier to upper camel case: `FirstWorld`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/enum-required-by-optional-struct.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     ResumeFrom(String),
[INFO] [stdout]    |     ---------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Params` 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] 13 -     ResumeFrom(String),
[INFO] [stdout] 13 +     ResumeFrom(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sys` is never read
[INFO] [stdout]   --> tests/enum-required-by-optional-struct.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |     _Params { sys: SquareWellParams },
[INFO] [stdout]    |     -------   ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Params` 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 `0` is never read
[INFO] [stdout]   --> tests/enum-required-by-optional-struct.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Width(String),
[INFO] [stdout]    |     ----- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Dimensions` 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] 20 -     Width(String),
[INFO] [stdout] 20 +     Width(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/enum-required-by-optional-struct.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Volume(String),
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Dimensions` 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] 22 -     Volume(String),
[INFO] [stdout] 22 +     Volume(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `well_width` and `cell` are never read
[INFO] [stdout]   --> tests/enum-required-by-optional-struct.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct SquareWellParams {
[INFO] [stdout]    |        ---------------- fields in this struct
[INFO] [stdout] 27 |     well_width: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 28 |     cell: Dimensions,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SquareWellParams` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.23s
[INFO] running `Command { std: "docker" "inspect" "2764a0f5dc147e1d8447d6c5d37a2fb680b1b3665c985e88d127b5cd04c1f6ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2764a0f5dc147e1d8447d6c5d37a2fb680b1b3665c985e88d127b5cd04c1f6ec", kill_on_drop: false }`
[INFO] [stdout] 2764a0f5dc147e1d8447d6c5d37a2fb680b1b3665c985e88d127b5cd04c1f6ec