[INFO] fetching crate clapme 0.1.16...
[INFO] testing clapme-0.1.16 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate clapme 0.1.16 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate clapme 0.1.16 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clapme 0.1.16
[INFO] finished tweaking crates.io crate clapme 0.1.16
[INFO] tweaked toml for crates.io crate clapme 0.1.16 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate clapme 0.1.16 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded meval v0.1.0
[INFO] [stderr]   Downloaded clapme_derive v0.1.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ff4dd5016f494d2a0f472827a30cbdb0f7b8cb195fc7d7cca9d424d6e9c5bdcc
[INFO] running `Command { std: "docker" "start" "-a" "ff4dd5016f494d2a0f472827a30cbdb0f7b8cb195fc7d7cca9d424d6e9c5bdcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff4dd5016f494d2a0f472827a30cbdb0f7b8cb195fc7d7cca9d424d6e9c5bdcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff4dd5016f494d2a0f472827a30cbdb0f7b8cb195fc7d7cca9d424d6e9c5bdcc", kill_on_drop: false }`
[INFO] [stdout] ff4dd5016f494d2a0f472827a30cbdb0f7b8cb195fc7d7cca9d424d6e9c5bdcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dbb6d59a01994e3d0e507724e229f5921d9d79b4babf6aa4e529c646b47f96d1
[INFO] running `Command { std: "docker" "start" "-a" "dbb6d59a01994e3d0e507724e229f5921d9d79b4babf6aa4e529c646b47f96d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling meval v0.1.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling clapme_derive v0.1.10
[INFO] [stderr]    Compiling clapme v0.1.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/bin/experiment.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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.09s
[INFO] running `Command { std: "docker" "inspect" "dbb6d59a01994e3d0e507724e229f5921d9d79b4babf6aa4e529c646b47f96d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbb6d59a01994e3d0e507724e229f5921d9d79b4babf6aa4e529c646b47f96d1", kill_on_drop: false }`
[INFO] [stdout] dbb6d59a01994e3d0e507724e229f5921d9d79b4babf6aa4e529c646b47f96d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9cb5311a3f2c0c3588b8228c6141dfcfbf09585f99021755b1e10892c11e7736
[INFO] running `Command { std: "docker" "start" "-a" "9cb5311a3f2c0c3588b8228c6141dfcfbf09585f99021755b1e10892c11e7736", kill_on_drop: false }`
[INFO] [stderr]    Compiling clapme v0.1.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/bin/experiment.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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/enum-required-by-optional-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/flags.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/tuple-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]  --> src/bin/experiment.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/phantom.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/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/bool-and-option-in-substruct.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: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/unit-struct.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 |     };
[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/only-one-variant.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/generic.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:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         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: 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::help_message("foo"));
[INFO] [stdout]    |     -------------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> tests/create-guide.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     /// This gives the following usage.
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 91 |     strings.push(Help::help_message("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:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     /// This gives the following usage.
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 115 |     strings.push(Flags::help_message("flags"));
[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:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 |     /// This gives the following usage.
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 139 |     strings.push(Types::help_message("types"));
[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:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     /// This gives the following usage.
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 168 |     strings.push(Optional::help_message("optional"));
[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:195:5
[INFO] [stdout]     |
[INFO] [stdout] 195 |     /// This gives the following usage.
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 196 |     strings.push(Exclusive::help_message("exclusive"));
[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:237:5
[INFO] [stdout]     |
[INFO] [stdout] 237 |     /// This gives the following usage.
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 238 |     strings.push(Nested::help_message("nested"));
[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:269:5
[INFO] [stdout]     |
[INFO] [stdout] 269 |     /// This gives the following usage.
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 270 |     strings.push(Flattened::help_message("flattened"));
[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:272:5
[INFO] [stdout]     |
[INFO] [stdout] 272 | /     /// This may be a good idea if `MyConfig` and `YourConfig` are
[INFO] [stdout] 273 | |     /// implementation details that your user need not be aware of.
[INFO] [stdout] 274 | |
[INFO] [stdout] 275 | |     /// ## Other possibilities
[INFO] [stdout] ...   |
[INFO] [stdout] 290 | |     /// an issue on github if there is a type that you would like to
[INFO] [stdout] 291 | |     /// have supported by clapme.  Pull requests are most welcome.
[INFO] [stdout]     | |__________________________________________________________________^
[INFO] [stdout] 292 | 
[INFO] [stdout] 293 |       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: field is never read: `foo`
[INFO] [stdout]   --> tests/create-guide.rs:68:9
[INFO] [stdout]    |
[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: field is never read: `verbose`
[INFO] [stdout]   --> tests/create-guide.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         verbose: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `T`
[INFO] [stdout]   --> tests/create-guide.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         T: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `verbose`
[INFO] [stdout]    --> tests/create-guide.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         verbose: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `blue_is_nice_`
[INFO] [stdout]    --> tests/create-guide.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |         blue_is_nice_: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `min_T`
[INFO] [stdout]    --> tests/create-guide.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         min_T: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]    --> tests/create-guide.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         name: String,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `T`
[INFO] [stdout]    --> tests/create-guide.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         T: f64,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `directory`
[INFO] [stdout]    --> tests/create-guide.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         directory: std::path::PathBuf,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]    --> tests/create-guide.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |         name: Option<String>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]    --> tests/create-guide.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |             a: String,
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `b`
[INFO] [stdout]    --> tests/create-guide.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |             b: String,
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]    --> tests/create-guide.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         x: f64, y: f64,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]    --> tests/create-guide.rs:224:17
[INFO] [stdout]     |
[INFO] [stdout] 224 |         x: f64, y: f64,
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `position`
[INFO] [stdout]    --> tests/create-guide.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         position: Vec2d,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `velocity`
[INFO] [stdout]    --> tests/create-guide.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         velocity: Vec2d,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]    --> tests/create-guide.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |         name: String,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `address`
[INFO] [stdout]    --> tests/create-guide.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 261 |         address: String,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning 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: 1 warning 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: 1 warning 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] [stdout] warning: 1 warning 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: 28 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 16.06s
[INFO] running `Command { std: "docker" "inspect" "9cb5311a3f2c0c3588b8228c6141dfcfbf09585f99021755b1e10892c11e7736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cb5311a3f2c0c3588b8228c6141dfcfbf09585f99021755b1e10892c11e7736", kill_on_drop: false }`
[INFO] [stdout] 9cb5311a3f2c0c3588b8228c6141dfcfbf09585f99021755b1e10892c11e7736
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e21fb21044f11e3bcccd3d161c933ebd579c8fc7c4f82b3c37addb6d68c6ff0c
[INFO] running `Command { std: "docker" "start" "-a" "e21fb21044f11e3bcccd3d161c933ebd579c8fc7c4f82b3c37addb6d68c6ff0c", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/bin/experiment.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: `clapme` (bin "experiment") generated 1 warning
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/phantom.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: `clapme` (test "phantom") generated 1 warning
[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: `clapme` (test "options") generated 1 warning
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/tuple-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: `clapme` (test "tuple-struct") generated 1 warning
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/only-one-variant.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: `clapme` (test "only-one-variant") generated 1 warning
[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: `clapme` (test "deeply-nested-with-underscores") generated 1 warning
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/bool-and-option-in-substruct.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: `clapme` (test "bool-and-option-in-substruct") generated 1 warning
[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::help_message("foo"));
[INFO] [stderr]    |     -------------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> tests/create-guide.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     /// This gives the following usage.
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 91 |     strings.push(Help::help_message("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:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     /// This gives the following usage.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 115 |     strings.push(Flags::help_message("flags"));
[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:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 |     /// This gives the following usage.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 139 |     strings.push(Types::help_message("types"));
[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:167:5
[INFO] [stderr]     |
[INFO] [stderr] 167 |     /// This gives the following usage.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 168 |     strings.push(Optional::help_message("optional"));
[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:195:5
[INFO] [stderr]     |
[INFO] [stderr] 195 |     /// This gives the following usage.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 196 |     strings.push(Exclusive::help_message("exclusive"));
[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:237:5
[INFO] [stderr]     |
[INFO] [stderr] 237 |     /// This gives the following usage.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 238 |     strings.push(Nested::help_message("nested"));
[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:269:5
[INFO] [stderr]     |
[INFO] [stderr] 269 |     /// This gives the following usage.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 270 |     strings.push(Flattened::help_message("flattened"));
[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:272:5
[INFO] [stderr]     |
[INFO] [stderr] 272 | /     /// This may be a good idea if `MyConfig` and `YourConfig` are
[INFO] [stderr] 273 | |     /// implementation details that your user need not be aware of.
[INFO] [stderr] 274 | |
[INFO] [stderr] 275 | |     /// ## Other possibilities
[INFO] [stderr] ...   |
[INFO] [stderr] 290 | |     /// an issue on github if there is a type that you would like to
[INFO] [stderr] 291 | |     /// have supported by clapme.  Pull requests are most welcome.
[INFO] [stderr]     | |__________________________________________________________________^
[INFO] [stderr] 292 | 
[INFO] [stderr] 293 |       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 is never read: `foo`
[INFO] [stderr]   --> tests/create-guide.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |         foo: bool,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `verbose`
[INFO] [stderr]   --> tests/create-guide.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         verbose: bool,
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `T`
[INFO] [stderr]   --> tests/create-guide.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |         T: bool,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `verbose`
[INFO] [stderr]    --> tests/create-guide.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |         verbose: bool,
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `blue_is_nice_`
[INFO] [stderr]    --> tests/create-guide.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |         blue_is_nice_: bool,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `min_T`
[INFO] [stderr]    --> tests/create-guide.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         min_T: bool,
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]    --> tests/create-guide.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |         name: String,
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `T`
[INFO] [stderr]    --> tests/create-guide.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |         T: f64,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `directory`
[INFO] [stderr]    --> tests/create-guide.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |         directory: std::path::PathBuf,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]    --> tests/create-guide.rs:164:9
[INFO] [stderr]     |
[INFO] [stderr] 164 |         name: Option<String>,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `a`
[INFO] [stderr]    --> tests/create-guide.rs:183:13
[INFO] [stderr]     |
[INFO] [stderr] 183 |             a: String,
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `b`
[INFO] [stderr]    --> tests/create-guide.rs:187:13
[INFO] [stderr]     |
[INFO] [stderr] 187 |             b: String,
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]    --> tests/create-guide.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 |         x: f64, y: f64,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]    --> tests/create-guide.rs:224:17
[INFO] [stderr]     |
[INFO] [stderr] 224 |         x: f64, y: f64,
[INFO] [stderr]     |                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `position`
[INFO] [stderr]    --> tests/create-guide.rs:233:9
[INFO] [stderr]     |
[INFO] [stderr] 233 |         position: Vec2d,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `velocity`
[INFO] [stderr]    --> tests/create-guide.rs:234:9
[INFO] [stderr]     |
[INFO] [stderr] 234 |         velocity: Vec2d,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]    --> tests/create-guide.rs:256:9
[INFO] [stderr]     |
[INFO] [stderr] 256 |         name: String,
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `address`
[INFO] [stderr]    --> tests/create-guide.rs:261:9
[INFO] [stderr]     |
[INFO] [stderr] 261 |         address: String,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `clapme` (test "create-guide") generated 28 warnings
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/enum-required-by-optional-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: 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: 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/generic.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/flags.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:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         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:32:6
[INFO] [stderr]    |
[INFO] [stderr] 32 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `clapme` (test "enum-required-by-optional-struct") generated 1 warning
[INFO] [stderr] warning: `clapme` (test "underscore-in-optional-field") generated 1 warning
[INFO] [stderr] warning: `clapme` (test "nested") generated 1 warning
[INFO] [stderr] warning: `clapme` (test "generic") generated 1 warning
[INFO] [stderr] warning: `clapme` (bin "experiment" test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `clapme` (test "flags") generated 1 warning
[INFO] [stderr] warning: `clapme` (test "enum") generated 2 warnings
[INFO] [stderr] warning: `clapme` (test "unit-struct") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/clapme-20972ab62ecbf4b2)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/experiment-44f347a40c87ad24)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 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-a5d6a3a77a65b145)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/create-guide.rs (/opt/rustwide/target/debug/deps/create_guide-0813de1d3066a3c4)
[INFO] [stdout] test craziness ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass '--test create-guide'
[INFO] [stdout] test guide ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- guide stdout ----
[INFO] [stdout] thread 'guide' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', tests/create-guide.rs:297:46
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x561949311280 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x561949311280 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x561949311280 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x561949311280 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x561949334a7c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x56194930e1e5 - std::io::Write::write_fmt::h5f34a676f60246b5
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x56194931340b - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x56194931340b - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x56194931340b - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x561949312f1c - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x561949313ad4 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x5619493135b7 - std::panicking::begin_panic_handler::{{closure}}::he5778f1729cff84a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x56194931175c - std::sys_common::backtrace::__rust_end_short_backtrace::h2d11ca8b453b4b1d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x561949313519 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x56194917b431 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x56194917b523 - core::result::unwrap_failed::ha0c84e81219e5878
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/result.rs:1599:5
[INFO] [stdout]   16:     0x5619491a00de - core::result::Result<T,E>::unwrap::h8eaf0b042d75c631
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/result.rs:1281:23
[INFO] [stdout]   17:     0x56194917cf6f - create_guide::guide::h0b350e64729ac657
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/create-guide.rs:297:17
[INFO] [stdout]   18:     0x56194917cc5a - create_guide::guide::{{closure}}::h5810b31950a10304
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/create-guide.rs:58:1
[INFO] [stdout]   19:     0x5619491bbc6e - core::ops::function::FnOnce::call_once::h380ef9cfc88d6d17
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x5619491f0ae3 - core::ops::function::FnOnce::call_once::hbb52c4519d3137b0
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x5619491f0ae3 - test::__rust_begin_short_backtrace::h86fe3a2a5a5121af
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x5619491ef598 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hfd956bc3d57399be
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x5619491ef598 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40dc93e0ddb5938a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x5619491ef598 - std::panicking::try::do_call::h90d07750cb47c562
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x5619491ef598 - std::panicking::try::h063c84733ad2a629
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x5619491ef598 - std::panic::catch_unwind::h0c464836a84e7c08
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x5619491ef598 - test::run_test_in_process::h5cb06ef620b157fc
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x5619491ef598 - test::run_test::run_test_inner::{{closure}}::h76f677f4b93f9828
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x5619491bdd2d - test::run_test::run_test_inner::{{closure}}::h366d01fe04f4d67a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x5619491bdd2d - std::sys_common::backtrace::__rust_begin_short_backtrace::h7dfa0de4eb395af2
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x5619491c24f8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf0a74bb58798037f
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x5619491c24f8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb024e854818586ac
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x5619491c24f8 - std::panicking::try::do_call::hb2dd9f1d0d48e41d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x5619491c24f8 - std::panicking::try::h4717ae7bac8b2bf3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x5619491c24f8 - std::panic::catch_unwind::h0dc8a061326ce8d8
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x5619491c24f8 - std::thread::Builder::spawn_unchecked::{{closure}}::haa369e2d6fd00aa1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x5619491c24f8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h36dcf3de8b056f17
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x561949318677 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h65c29e4642be2358
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x561949318677 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd0f8f7fbbd9fffbf
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x561949318677 - std::sys::unix::thread::Thread::new::thread_start::h2fd22fee3ca77b65
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys/unix/thread.rs:74:17
[INFO] [stdout]   41:     0x7f1d59f83609 - start_thread
[INFO] [stdout]   42:     0x7f1d5a20e293 - clone
[INFO] [stdout]   43:                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 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e21fb21044f11e3bcccd3d161c933ebd579c8fc7c4f82b3c37addb6d68c6ff0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e21fb21044f11e3bcccd3d161c933ebd579c8fc7c4f82b3c37addb6d68c6ff0c", kill_on_drop: false }`
[INFO] [stdout] e21fb21044f11e3bcccd3d161c933ebd579c8fc7c4f82b3c37addb6d68c6ff0c
