[INFO] fetching crate auto-args 0.3.0...
[INFO] testing auto-args-0.3.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate auto-args 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate auto-args 0.3.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate auto-args 0.3.0
[INFO] finished tweaking crates.io crate auto-args 0.3.0
[INFO] tweaked toml for crates.io crate auto-args 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded meval v0.2.0
[INFO] [stderr]   Downloaded nom v1.2.4
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5f03dba8cd08dd3f17ef6ba4f55b46d59584356717adabc33c2019097fef0a4
[INFO] running `Command { std: "docker" "start" "-a" "a5f03dba8cd08dd3f17ef6ba4f55b46d59584356717adabc33c2019097fef0a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5f03dba8cd08dd3f17ef6ba4f55b46d59584356717adabc33c2019097fef0a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5f03dba8cd08dd3f17ef6ba4f55b46d59584356717adabc33c2019097fef0a4", kill_on_drop: false }`
[INFO] [stdout] a5f03dba8cd08dd3f17ef6ba4f55b46d59584356717adabc33c2019097fef0a4
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 142b9c92f7f2824c8db4f439d31d1a739f994817dc0d07f0dbc15fa63a9a8eb2
[INFO] running `Command { std: "docker" "start" "-a" "142b9c92f7f2824c8db4f439d31d1a739f994817dc0d07f0dbc15fa63a9a8eb2", 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]    Compiling auto-args v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.10s
[INFO] running `Command { std: "docker" "inspect" "142b9c92f7f2824c8db4f439d31d1a739f994817dc0d07f0dbc15fa63a9a8eb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "142b9c92f7f2824c8db4f439d31d1a739f994817dc0d07f0dbc15fa63a9a8eb2", kill_on_drop: false }`
[INFO] [stdout] 142b9c92f7f2824c8db4f439d31d1a739f994817dc0d07f0dbc15fa63a9a8eb2
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e1ddde40b967a260fe2fbb06111191886b03b0a28176b593684de3e0d7263b5
[INFO] running `Command { std: "docker" "start" "-a" "4e1ddde40b967a260fe2fbb06111191886b03b0a28176b593684de3e0d7263b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling auto-args v0.3.0 (/opt/rustwide/workdir)
[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/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/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: 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: `#[warn(dead_code)]` on by default
[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] [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: 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 `#[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: 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: 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/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 `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: 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: 2 warnings emitted
[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: 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: `#[warn(dead_code)]` on by default
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "4e1ddde40b967a260fe2fbb06111191886b03b0a28176b593684de3e0d7263b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e1ddde40b967a260fe2fbb06111191886b03b0a28176b593684de3e0d7263b5", kill_on_drop: false }`
[INFO] [stdout] 4e1ddde40b967a260fe2fbb06111191886b03b0a28176b593684de3e0d7263b5
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80a6cd6c6d4d21f5f4d161d5f5054f9ff51c7c8a23224b496c87c07c69130d4a
[INFO] running `Command { std: "docker" "start" "-a" "80a6cd6c6d4d21f5f4d161d5f5054f9ff51c7c8a23224b496c87c07c69130d4a", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/deeply-nested-with-underscores.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/underscore-in-optional-field.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `sys` is never read
[INFO] [stderr]   --> tests/underscore-in-optional-field.rs:17:15
[INFO] [stderr]    |
[INFO] [stderr] 17 |     _Params { sys: SquareWellParams },
[INFO] [stderr]    |     -------   ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `well_width` is never read
[INFO] [stderr]   --> tests/underscore-in-optional-field.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | struct SquareWellParams {
[INFO] [stderr]    |        ---------------- field in this struct
[INFO] [stderr] 22 |     well_width: String,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `SquareWellParams` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/nested.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `auto-args` (test "deeply-nested-with-underscores") generated 1 warning
[INFO] [stderr] warning: `auto-args` (test "underscore-in-optional-field") generated 3 warnings
[INFO] [stderr] warning: `auto-args` (test "nested") generated 1 warning
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/enum.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `First_World` should have an upper camel case name
[INFO] [stderr]   --> tests/enum.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         First_World,
[INFO] [stderr]    |         ^^^^^^^^^^^ help: convert the identifier to upper camel case: `FirstWorld`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/create-guide.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> tests/create-guide.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     /// This gives the following usage.
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 72 |     strings.push(Foo::usage());
[INFO] [stderr]    |     -------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]    |
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> tests/create-guide.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     /// and the following help message.
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 75 |     strings.push(Foo::help());
[INFO] [stderr]    |     ------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]    |
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> tests/create-guide.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     /// This gives the following usage.
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 94 |     strings.push(Help::usage());
[INFO] [stderr]    |     --------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]    |
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> tests/create-guide.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     /// and the following help message.
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 97 |     strings.push(Help::help());
[INFO] [stderr]    |     -------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]    |
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> tests/create-guide.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     /// This gives the following usage.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 121 |     strings.push(Flags::help());
[INFO] [stderr]     |     --------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> tests/create-guide.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     /// This gives the following usage.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 145 |     strings.push(Types::help());
[INFO] [stderr]     |     --------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> tests/create-guide.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 |     /// This gives the following usage.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 174 |     strings.push(Optional::help());
[INFO] [stderr]     |     ------------------------------ rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> tests/create-guide.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 |     /// This gives the following usage.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 202 |     strings.push(Exclusive::usage());
[INFO] [stderr]     |     -------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> tests/create-guide.rs:204:5
[INFO] [stderr]     |
[INFO] [stderr] 204 |     /// and the following help message.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 205 |     strings.push(Exclusive::help());
[INFO] [stderr]     |     ------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> tests/create-guide.rs:247:5
[INFO] [stderr]     |
[INFO] [stderr] 247 |     /// This gives the following usage.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 248 |     strings.push(Nested::help());
[INFO] [stderr]     |     ---------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> tests/create-guide.rs:278:5
[INFO] [stderr]     |
[INFO] [stderr] 278 |     /// This gives the following usage.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 279 |     strings.push(Flattened::usage());
[INFO] [stderr]     |     -------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> tests/create-guide.rs:281:5
[INFO] [stderr]     |
[INFO] [stderr] 281 |     /// and the following help message.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 282 |     strings.push(Flattened::help());
[INFO] [stderr]     |     ------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> tests/create-guide.rs:284:5
[INFO] [stderr]     |
[INFO] [stderr] 284 | /     /// This may be a good idea if `MyConfig` and `YourConfig` are
[INFO] [stderr] 285 | |     /// implementation details that your user need not be aware of.
[INFO] [stderr] 286 | |
[INFO] [stderr] 287 | |     /// ## Other possibilities
[INFO] [stderr] ...   |
[INFO] [stderr] 302 | |     /// an issue on github if there is a type that you would like to
[INFO] [stderr] 303 | |     /// have supported by auto_args.  Pull requests are most welcome.
[INFO] [stderr]     | |_____________________________________________________________________^
[INFO] [stderr] 304 |       strings.reverse();
[INFO] [stderr]     |       ----------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: field `foo` is never read
[INFO] [stderr]   --> tests/create-guide.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |     struct Foo {
[INFO] [stderr]    |            --- field in this struct
[INFO] [stderr] 68 |         foo: bool,
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `verbose` and `T` are never read
[INFO] [stderr]   --> tests/create-guide.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |     struct Help {
[INFO] [stderr]    |            ---- fields in this struct
[INFO] [stderr] 87 |         /// Print excess messages.
[INFO] [stderr] 88 |         verbose: bool,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 89 |         /// The temperature.
[INFO] [stderr] 90 |         T: bool,
[INFO] [stderr]    |         ^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `verbose`, `blue_is_nice_`, and `min_T` are never read
[INFO] [stderr]    --> tests/create-guide.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |     struct Flags {
[INFO] [stderr]     |            ----- fields in this struct
[INFO] [stderr] 112 |         /// a simple word has "--" prepended to it.
[INFO] [stderr] 113 |         verbose: bool,
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr] 114 |         /// Underscores are replaced with "-" ...
[INFO] [stderr] 115 |         blue_is_nice_: bool,
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr] 116 |         /// and capital letters are preserved.
[INFO] [stderr] 117 |         min_T: bool,
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name`, `T`, and `directory` are never read
[INFO] [stderr]    --> tests/create-guide.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |     struct Types {
[INFO] [stderr]     |            ----- fields in this struct
[INFO] [stderr] 136 |         /// The name of the type
[INFO] [stderr] 137 |         name: String,
[INFO] [stderr]     |         ^^^^
[INFO] [stderr] 138 |         /// The temperature of the type
[INFO] [stderr] 139 |         T: f64,
[INFO] [stderr]     |         ^
[INFO] [stderr] 140 |         /// The place where it is
[INFO] [stderr] 141 |         directory: std::path::PathBuf,
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]    --> tests/create-guide.rs:170:9
[INFO] [stderr]     |
[INFO] [stderr] 168 |     struct Optional {
[INFO] [stderr]     |            -------- field in this struct
[INFO] [stderr] 169 |         /// The name is an optional argument.
[INFO] [stderr] 170 |         name: Option<String>,
[INFO] [stderr]     |         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `a` and `b` are never read
[INFO] [stderr]    --> tests/create-guide.rs:189:13
[INFO] [stderr]     |
[INFO] [stderr] 187 |         First {
[INFO] [stderr]     |         ----- fields in this variant
[INFO] [stderr] 188 |             /// This is the "a" value
[INFO] [stderr] 189 |             a: String,
[INFO] [stderr]     |             ^
[INFO] [stderr] ...
[INFO] [stderr] 193 |             b: String,
[INFO] [stderr]     |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `x` and `y` are never read
[INFO] [stderr]    --> tests/create-guide.rs:233:9
[INFO] [stderr]     |
[INFO] [stderr] 232 |     struct Vec2d {
[INFO] [stderr]     |            ----- fields in this struct
[INFO] [stderr] 233 |         x: f64,
[INFO] [stderr]     |         ^
[INFO] [stderr] 234 |         y: f64,
[INFO] [stderr]     |         ^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `position` and `velocity` are never read
[INFO] [stderr]    --> tests/create-guide.rs:243:9
[INFO] [stderr]     |
[INFO] [stderr] 237 |     struct Nested {
[INFO] [stderr]     |            ------ fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 243 |         position: Vec2d,
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 244 |         velocity: Vec2d,
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]    --> tests/create-guide.rs:265:9
[INFO] [stderr]     |
[INFO] [stderr] 263 |     struct MyConfig {
[INFO] [stderr]     |            -------- field in this struct
[INFO] [stderr] 264 |         /// The user's name
[INFO] [stderr] 265 |         name: String,
[INFO] [stderr]     |         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `address` is never read
[INFO] [stderr]    --> tests/create-guide.rs:270:9
[INFO] [stderr]     |
[INFO] [stderr] 268 |     struct YourConfig {
[INFO] [stderr]     |            ---------- field in this struct
[INFO] [stderr] 269 |         /// The user's address
[INFO] [stderr] 270 |         address: String,
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/unit-struct.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> tests/unit-struct.rs:31:6
[INFO] [stderr]    |
[INFO] [stderr] 31 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/options.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/enum-error-messages.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `sys` is never read
[INFO] [stderr]   --> tests/enum-required-by-optional-struct.rs:14:15
[INFO] [stderr]    |
[INFO] [stderr] 14 |     _Params { sys: SquareWellParams },
[INFO] [stderr]    |     -------   ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `well_width` and `cell` are never read
[INFO] [stderr]   --> tests/enum-required-by-optional-struct.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | struct SquareWellParams {
[INFO] [stderr]    |        ---------------- fields in this struct
[INFO] [stderr] 27 |     well_width: String,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 28 |     cell: Dimensions,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `SquareWellParams` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `auto-args` (test "enum") generated 2 warnings
[INFO] [stderr] warning: `auto-args` (test "create-guide") generated 24 warnings
[INFO] [stderr] warning: `auto-args` (test "unit-struct") generated 2 warnings
[INFO] [stderr] warning: `auto-args` (test "options") generated 1 warning
[INFO] [stderr] warning: `auto-args` (test "enum-error-messages") generated 1 warning
[INFO] [stderr] warning: `auto-args` (test "enum-required-by-optional-struct") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/auto_args-dcb68cffcb25dc93)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test tests::arg_equal_i32 ... ok
[INFO] [stdout] test tests::arg_i32 ... ok
[INFO] [stdout] test tests::arg_pathbuf ... ok
[INFO] [stdout] test tests::arg_u8 ... ok
[INFO] [stdout] test tests::arg_f64 ... ok
[INFO] [stdout] test tests::derive_either ... ok
[INFO] [stdout] test tests::derive_either_either ... ok
[INFO] [stdout] test tests::derive_either_option ... ok
[INFO] [stdout] test tests::derive_myenum ... ok
[INFO] [stdout] test tests::derive_pair_either ... ok
[INFO] [stdout] test tests::derive_test ... ok
[INFO] [stdout] test tests::derive_test_pair ... ok
[INFO] [stdout] test tests::hello_list ... ok
[INFO] [stdout] test tests::hello_world ... ok
[INFO] [stdout] test tests::hello_world_complete ... ok
[INFO] [stdout] test tests::option ... ok
[INFO] [stdout] test tests::positional_arg ... ok
[INFO] [stdout] test tests::tuple_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/bool-and-option-in-substruct.rs (/opt/rustwide/target/debug/deps/bool_and_option_in_substruct-f42caf657948fb82)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test craziness ... ok
[INFO] [stdout] test just_opt ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/create-guide.rs (/opt/rustwide/target/debug/deps/create_guide-69516d35d6123751)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test guide ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- guide stdout ----
[INFO] [stdout] thread 'guide' panicked at tests/create-guide.rs:308:46:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55f8a2740d3c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55f8a2740d3c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55f8a2740d3c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55f8a2740d3c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55f8a276a970 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55f8a276a970 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55f8a273e6ef - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x55f8a2740b24 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55f8a2740b24 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55f8a27427e7 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x55f8a27424d3 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55f8a270bd07 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x55f8a270bd07 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55f8a2742df8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x55f8a2742df8 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55f8a2742b4e - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55f8a2741206 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x55f8a27428b2 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55f8a26b5cf5 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55f8a26b6193 - core::result::unwrap_failed::hddb4fea594200c52
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1653:5
[INFO] [stdout]   20:     0x55f8a26d4e3b - core::result::Result<T,E>::unwrap::hc062ccbf36d34845
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55f8a26bb0d3 - create_guide::guide::h8ed278c8ef7e730f
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/create-guide.rs:308:17
[INFO] [stdout]   22:     0x55f8a26bad97 - create_guide::guide::{{closure}}::h6432612c824220af
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/create-guide.rs:58:11
[INFO] [stdout]   23:     0x55f8a26d3706 - core::ops::function::FnOnce::call_once::h78a972cfa7e29113
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55f8a271135f - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55f8a271135f - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   26:     0x55f8a2710375 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   27:     0x55f8a2710375 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55f8a2710375 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55f8a2710375 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55f8a2710375 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55f8a2710375 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   32:     0x55f8a2710375 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   33:     0x55f8a26d8636 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   34:     0x55f8a26d8636 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   35:     0x55f8a26dd6e7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55f8a26dd6e7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55f8a26dd6e7 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55f8a26dd6e7 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55f8a26dd6e7 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55f8a26dd6e7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55f8a26dd6e7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55f8a2747955 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   43:     0x55f8a2747955 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   44:     0x55f8a2747955 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f0d529d4ac3 - <unknown>
[INFO] [stdout]   46:     0x7f0d52a65bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     guide
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test create-guide`
[INFO] running `Command { std: "docker" "inspect" "80a6cd6c6d4d21f5f4d161d5f5054f9ff51c7c8a23224b496c87c07c69130d4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80a6cd6c6d4d21f5f4d161d5f5054f9ff51c7c8a23224b496c87c07c69130d4a", kill_on_drop: false }`
[INFO] [stdout] 80a6cd6c6d4d21f5f4d161d5f5054f9ff51c7c8a23224b496c87c07c69130d4a
[INFO] testing auto-args-0.3.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate auto-args 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate auto-args 0.3.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate auto-args 0.3.0
[INFO] finished tweaking crates.io crate auto-args 0.3.0
[INFO] tweaked toml for crates.io crate auto-args 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e45d11dc4638b67e9fb67c9b93a83b9d4bc8b4a28a425d24ab815e506e67ea13
[INFO] running `Command { std: "docker" "start" "-a" "e45d11dc4638b67e9fb67c9b93a83b9d4bc8b4a28a425d24ab815e506e67ea13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e45d11dc4638b67e9fb67c9b93a83b9d4bc8b4a28a425d24ab815e506e67ea13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e45d11dc4638b67e9fb67c9b93a83b9d4bc8b4a28a425d24ab815e506e67ea13", kill_on_drop: false }`
[INFO] [stdout] e45d11dc4638b67e9fb67c9b93a83b9d4bc8b4a28a425d24ab815e506e67ea13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd18a60acc4f9629c77c87e8c6021d010a54216feb3c819bd96df7b99e7571dd
[INFO] running `Command { std: "docker" "start" "-a" "cd18a60acc4f9629c77c87e8c6021d010a54216feb3c819bd96df7b99e7571dd", 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]    Compiling auto-args v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `Command { std: "docker" "inspect" "cd18a60acc4f9629c77c87e8c6021d010a54216feb3c819bd96df7b99e7571dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd18a60acc4f9629c77c87e8c6021d010a54216feb3c819bd96df7b99e7571dd", kill_on_drop: false }`
[INFO] [stdout] cd18a60acc4f9629c77c87e8c6021d010a54216feb3c819bd96df7b99e7571dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53c6adcdd56fb27b51b398a6e01d19577c2a5ecfe2fce755147763d5548d0bd9
[INFO] running `Command { std: "docker" "start" "-a" "53c6adcdd56fb27b51b398a6e01d19577c2a5ecfe2fce755147763d5548d0bd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling auto-args v0.3.0 (/opt/rustwide/workdir)
[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/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/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/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/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: 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: `#[warn(dead_code)]` on by default
[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: 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: 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/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 `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: `#[warn(dead_code)]` on by default
[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] [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: 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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "53c6adcdd56fb27b51b398a6e01d19577c2a5ecfe2fce755147763d5548d0bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53c6adcdd56fb27b51b398a6e01d19577c2a5ecfe2fce755147763d5548d0bd9", kill_on_drop: false }`
[INFO] [stdout] 53c6adcdd56fb27b51b398a6e01d19577c2a5ecfe2fce755147763d5548d0bd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 23c7db6fd863dc5ee64fbb8bf30afc5af895806c06d867d8ed52660d3baa942a
[INFO] running `Command { std: "docker" "start" "-a" "23c7db6fd863dc5ee64fbb8bf30afc5af895806c06d867d8ed52660d3baa942a", kill_on_drop: false }`
[INFO] [stderr] warning: field `sys` is never read
[INFO] [stderr]   --> tests/enum-required-by-optional-struct.rs:14:15
[INFO] [stderr]    |
[INFO] [stderr] 14 |     _Params { sys: SquareWellParams },
[INFO] [stderr]    |     -------   ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `well_width` and `cell` are never read
[INFO] [stderr]   --> tests/enum-required-by-optional-struct.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | struct SquareWellParams {
[INFO] [stderr]    |        ---------------- fields in this struct
[INFO] [stderr] 27 |     well_width: String,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 28 |     cell: Dimensions,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `SquareWellParams` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/enum-error-messages.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/create-guide.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> tests/create-guide.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     /// This gives the following usage.
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 72 |     strings.push(Foo::usage());
[INFO] [stderr]    |     -------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]    |
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> tests/create-guide.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     /// and the following help message.
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 75 |     strings.push(Foo::help());
[INFO] [stderr]    |     ------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]    |
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> tests/create-guide.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     /// This gives the following usage.
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 94 |     strings.push(Help::usage());
[INFO] [stderr]    |     --------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]    |
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> tests/create-guide.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     /// and the following help message.
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 97 |     strings.push(Help::help());
[INFO] [stderr]    |     -------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]    |
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> tests/create-guide.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     /// This gives the following usage.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 121 |     strings.push(Flags::help());
[INFO] [stderr]     |     --------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> tests/create-guide.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     /// This gives the following usage.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 145 |     strings.push(Types::help());
[INFO] [stderr]     |     --------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> tests/create-guide.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 |     /// This gives the following usage.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 174 |     strings.push(Optional::help());
[INFO] [stderr]     |     ------------------------------ rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> tests/create-guide.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 |     /// This gives the following usage.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 202 |     strings.push(Exclusive::usage());
[INFO] [stderr]     |     -------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> tests/create-guide.rs:204:5
[INFO] [stderr]     |
[INFO] [stderr] 204 |     /// and the following help message.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 205 |     strings.push(Exclusive::help());
[INFO] [stderr]     |     ------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> tests/create-guide.rs:247:5
[INFO] [stderr]     |
[INFO] [stderr] 247 |     /// This gives the following usage.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 248 |     strings.push(Nested::help());
[INFO] [stderr]     |     ---------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> tests/create-guide.rs:278:5
[INFO] [stderr]     |
[INFO] [stderr] 278 |     /// This gives the following usage.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 279 |     strings.push(Flattened::usage());
[INFO] [stderr]     |     -------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> tests/create-guide.rs:281:5
[INFO] [stderr]     |
[INFO] [stderr] 281 |     /// and the following help message.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 282 |     strings.push(Flattened::help());
[INFO] [stderr]     |     ------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> tests/create-guide.rs:284:5
[INFO] [stderr]     |
[INFO] [stderr] 284 | /     /// This may be a good idea if `MyConfig` and `YourConfig` are
[INFO] [stderr] 285 | |     /// implementation details that your user need not be aware of.
[INFO] [stderr] 286 | |
[INFO] [stderr] 287 | |     /// ## Other possibilities
[INFO] [stderr] ...   |
[INFO] [stderr] 302 | |     /// an issue on github if there is a type that you would like to
[INFO] [stderr] 303 | |     /// have supported by auto_args.  Pull requests are most welcome.
[INFO] [stderr]     | |_____________________________________________________________________^
[INFO] [stderr] 304 |       strings.reverse();
[INFO] [stderr]     |       ----------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: field `foo` is never read
[INFO] [stderr]   --> tests/create-guide.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |     struct Foo {
[INFO] [stderr]    |            --- field in this struct
[INFO] [stderr] 68 |         foo: bool,
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `verbose` and `T` are never read
[INFO] [stderr]   --> tests/create-guide.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |     struct Help {
[INFO] [stderr]    |            ---- fields in this struct
[INFO] [stderr] 87 |         /// Print excess messages.
[INFO] [stderr] 88 |         verbose: bool,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 89 |         /// The temperature.
[INFO] [stderr] 90 |         T: bool,
[INFO] [stderr]    |         ^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `verbose`, `blue_is_nice_`, and `min_T` are never read
[INFO] [stderr]    --> tests/create-guide.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |     struct Flags {
[INFO] [stderr]     |            ----- fields in this struct
[INFO] [stderr] 112 |         /// a simple word has "--" prepended to it.
[INFO] [stderr] 113 |         verbose: bool,
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr] 114 |         /// Underscores are replaced with "-" ...
[INFO] [stderr] 115 |         blue_is_nice_: bool,
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr] 116 |         /// and capital letters are preserved.
[INFO] [stderr] 117 |         min_T: bool,
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name`, `T`, and `directory` are never read
[INFO] [stderr]    --> tests/create-guide.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |     struct Types {
[INFO] [stderr]     |            ----- fields in this struct
[INFO] [stderr] 136 |         /// The name of the type
[INFO] [stderr] 137 |         name: String,
[INFO] [stderr]     |         ^^^^
[INFO] [stderr] 138 |         /// The temperature of the type
[INFO] [stderr] 139 |         T: f64,
[INFO] [stderr]     |         ^
[INFO] [stderr] 140 |         /// The place where it is
[INFO] [stderr] 141 |         directory: std::path::PathBuf,
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]    --> tests/create-guide.rs:170:9
[INFO] [stderr]     |
[INFO] [stderr] 168 |     struct Optional {
[INFO] [stderr]     |            -------- field in this struct
[INFO] [stderr] 169 |         /// The name is an optional argument.
[INFO] [stderr] 170 |         name: Option<String>,
[INFO] [stderr]     |         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `a` and `b` are never read
[INFO] [stderr]    --> tests/create-guide.rs:189:13
[INFO] [stderr]     |
[INFO] [stderr] 187 |         First {
[INFO] [stderr]     |         ----- fields in this variant
[INFO] [stderr] 188 |             /// This is the "a" value
[INFO] [stderr] 189 |             a: String,
[INFO] [stderr]     |             ^
[INFO] [stderr] ...
[INFO] [stderr] 193 |             b: String,
[INFO] [stderr]     |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `x` and `y` are never read
[INFO] [stderr]    --> tests/create-guide.rs:233:9
[INFO] [stderr]     |
[INFO] [stderr] 232 |     struct Vec2d {
[INFO] [stderr]     |            ----- fields in this struct
[INFO] [stderr] 233 |         x: f64,
[INFO] [stderr]     |         ^
[INFO] [stderr] 234 |         y: f64,
[INFO] [stderr]     |         ^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `position` and `velocity` are never read
[INFO] [stderr]    --> tests/create-guide.rs:243:9
[INFO] [stderr]     |
[INFO] [stderr] 237 |     struct Nested {
[INFO] [stderr]     |            ------ fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 243 |         position: Vec2d,
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 244 |         velocity: Vec2d,
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]    --> tests/create-guide.rs:265:9
[INFO] [stderr]     |
[INFO] [stderr] 263 |     struct MyConfig {
[INFO] [stderr]     |            -------- field in this struct
[INFO] [stderr] 264 |         /// The user's name
[INFO] [stderr] 265 |         name: String,
[INFO] [stderr]     |         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `address` is never read
[INFO] [stderr]    --> tests/create-guide.rs:270:9
[INFO] [stderr]     |
[INFO] [stderr] 268 |     struct YourConfig {
[INFO] [stderr]     |            ---------- field in this struct
[INFO] [stderr] 269 |         /// The user's address
[INFO] [stderr] 270 |         address: String,
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `auto-args` (test "enum-required-by-optional-struct") generated 2 warnings
[INFO] [stderr] warning: `auto-args` (test "enum-error-messages") generated 1 warning
[INFO] [stderr] warning: `auto-args` (test "create-guide") generated 24 warnings
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/deeply-nested-with-underscores.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/enum.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `First_World` should have an upper camel case name
[INFO] [stderr]   --> tests/enum.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         First_World,
[INFO] [stderr]    |         ^^^^^^^^^^^ help: convert the identifier to upper camel case: `FirstWorld`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/unit-struct.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> tests/unit-struct.rs:31:6
[INFO] [stderr]    |
[INFO] [stderr] 31 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/nested.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/options.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/underscore-in-optional-field.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `sys` is never read
[INFO] [stderr]   --> tests/underscore-in-optional-field.rs:17:15
[INFO] [stderr]    |
[INFO] [stderr] 17 |     _Params { sys: SquareWellParams },
[INFO] [stderr]    |     -------   ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `well_width` is never read
[INFO] [stderr]   --> tests/underscore-in-optional-field.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | struct SquareWellParams {
[INFO] [stderr]    |        ---------------- field in this struct
[INFO] [stderr] 22 |     well_width: String,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `SquareWellParams` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `auto-args` (test "deeply-nested-with-underscores") generated 1 warning
[INFO] [stderr] warning: `auto-args` (test "enum") generated 2 warnings
[INFO] [stderr] warning: `auto-args` (test "unit-struct") generated 2 warnings
[INFO] [stderr] warning: `auto-args` (test "nested") generated 1 warning
[INFO] [stderr] warning: `auto-args` (test "options") generated 1 warning
[INFO] [stderr] warning: `auto-args` (test "underscore-in-optional-field") generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/auto_args-25a142141f0bd12a)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test tests::derive_either_option ... ok
[INFO] [stdout] test tests::arg_pathbuf ... ok
[INFO] [stdout] test tests::arg_f64 ... ok
[INFO] [stdout] test tests::hello_list ... ok
[INFO] [stdout] test tests::derive_either_either ... ok
[INFO] [stdout] test tests::derive_either ... ok
[INFO] [stdout] test tests::derive_myenum ... ok
[INFO] [stdout] test tests::arg_i32 ... ok
[INFO] [stdout] test tests::arg_u8 ... ok
[INFO] [stdout] test tests::arg_equal_i32 ... ok
[INFO] [stdout] test tests::derive_test_pair ... ok
[INFO] [stdout] test tests::hello_world ... ok
[INFO] [stdout] test tests::option ... ok
[INFO] [stdout] test tests::derive_test ... ok
[INFO] [stdout] test tests::hello_world_complete ... ok
[INFO] [stdout] test tests::derive_pair_either ... ok
[INFO] [stdout] test tests::tuple_struct ... ok
[INFO] [stdout] test tests::positional_arg ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/bool-and-option-in-substruct.rs (/opt/rustwide/target/debug/deps/bool_and_option_in_substruct-54445e4072000e6e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test just_opt ... ok
[INFO] [stdout] test craziness ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/create-guide.rs (/opt/rustwide/target/debug/deps/create_guide-9f1dbc24a57998ad)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test guide ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- guide stdout ----
[INFO] [stdout] thread 'guide' panicked at tests/create-guide.rs:308:46:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5576826458b6 - std::backtrace_rs::backtrace::libunwind::trace::h261606ad26a499c1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5576826458b6 - std::backtrace_rs::backtrace::trace_unsynchronized::hd183f0625477fb28
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5576826458b6 - std::sys_common::backtrace::_print_fmt::hd7f8fef21b4eda67
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5576826458b6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h623d9b51f2f453f1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55768266e7f0 - core::fmt::rt::Argument::fmt::h9f417ac76a86f368
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55768266e7f0 - core::fmt::write::hc9b6faf4ac2aeff7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55768264331f - std::io::Write::write_fmt::he04625a3a989fec3
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x557682645694 - std::sys_common::backtrace::_print::hd5d66399c7df88a2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x557682645694 - std::sys_common::backtrace::print::he81ed2da642d37e5
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x557682647407 - std::panicking::default_hook::{{closure}}::h85773f4fa117163d
[INFO] [stdout]   10:     0x5576826470ed - std::panicking::default_hook::h6a1694a91d09b278
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x557682610067 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h616ac37fa3cd6c8f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x557682610067 - test::test_main::{{closure}}::h00d84697cefdcbb6
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x557682647a26 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcb3fe3b9bb537ba8
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x557682647a26 - std::panicking::rust_panic_with_hook::h0a7ad96e90f7145b
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x557682647772 - std::panicking::begin_panic_handler::{{closure}}::h7919090525c6485e
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x557682645db6 - std::sys_common::backtrace::__rust_end_short_backtrace::hf3289479464f7dfe
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5576826474d0 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x5576825b8cd5 - core::panicking::panic_fmt::hcc9f77c5c132af55
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5576825b9183 - core::result::unwrap_failed::hbe14f498be1452f9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x5576825da68b - core::result::Result<T,E>::unwrap::h8a9d383a57728fe7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/result.rs:1073:23
[INFO] [stdout]   21:     0x5576825be0c3 - create_guide::guide::h1f023cc121a5a751
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/create-guide.rs:308:17
[INFO] [stdout]   22:     0x5576825bdd87 - create_guide::guide::{{closure}}::hd61fd90681cfb6a7
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/create-guide.rs:58:11
[INFO] [stdout]   23:     0x5576825d3706 - core::ops::function::FnOnce::call_once::h88d92edfb6bb09dc
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55768261593f - core::ops::function::FnOnce::call_once::hd64d26f405258157
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55768261593f - test::__rust_begin_short_backtrace::he21b0b7a6d731bf9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x5576826146c1 - test::run_test_in_process::{{closure}}::hf5c73986d7bdfde2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x5576826146c1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330011ad032aadc0
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5576826146c1 - std::panicking::try::do_call::he61b0a958b795a41
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x5576826146c1 - std::panicking::try::h7309da130f906eb7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x5576826146c1 - std::panic::catch_unwind::hc5c3a06fdaf0a92a
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x5576826146c1 - test::run_test_in_process::h7e7b7c71c3324e0f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x5576826146c1 - test::run_test::{{closure}}::h1f509f28f5cf20b1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x5576825db9f6 - test::run_test::{{closure}}::h1754218abf443f6d
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x5576825db9f6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2ee174b9d5954948
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x5576825e0a57 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hf60bee9c1a17ef09
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x5576825e0a57 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h33d0dddec5216160
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5576825e0a57 - std::panicking::try::do_call::h144b3048b546f835
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x5576825e0a57 - std::panicking::try::h978244d04646189f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x5576825e0a57 - std::panic::catch_unwind::hdf436369d188fe86
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x5576825e0a57 - std::thread::Builder::spawn_unchecked_::{{closure}}::h87329cbdd33c79ec
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x5576825e0a57 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h401abbe67897d450
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55768264c5a5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5d7c8f150ab9c84c
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x55768264c5a5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h570d5b005c242c15
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x55768264c5a5 - std::sys::unix::thread::Thread::new::thread_start::h36b0a20c0b2361ad
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f3954d81ac3 - <unknown>
[INFO] [stdout]   46:     0x7f3954e12bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     guide
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test create-guide`
[INFO] running `Command { std: "docker" "inspect" "23c7db6fd863dc5ee64fbb8bf30afc5af895806c06d867d8ed52660d3baa942a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23c7db6fd863dc5ee64fbb8bf30afc5af895806c06d867d8ed52660d3baa942a", kill_on_drop: false }`
[INFO] [stdout] 23c7db6fd863dc5ee64fbb8bf30afc5af895806c06d867d8ed52660d3baa942a
