[INFO] fetching crate structopt 0.3.25...
[INFO] testing structopt-0.3.25 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate structopt 0.3.25 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate structopt 0.3.25 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate structopt 0.3.25
[INFO] finished tweaking crates.io crate structopt 0.3.25
[INFO] tweaked toml for crates.io crate structopt 0.3.25 written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] crate crates.io crate structopt 0.3.25 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c928ef8f3ce2c9712a465b42ed4470c26533356725c34ab95033eff3c8942bc
[INFO] running `Command { std: "docker" "start" "-a" "7c928ef8f3ce2c9712a465b42ed4470c26533356725c34ab95033eff3c8942bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c928ef8f3ce2c9712a465b42ed4470c26533356725c34ab95033eff3c8942bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c928ef8f3ce2c9712a465b42ed4470c26533356725c34ab95033eff3c8942bc", kill_on_drop: false }`
[INFO] [stdout] 7c928ef8f3ce2c9712a465b42ed4470c26533356725c34ab95033eff3c8942bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d876ab634903601f747eb809600ca373506c00cf6b9fa86a3a541027db29598b
[INFO] running `Command { std: "docker" "start" "-a" "d876ab634903601f747eb809600ca373506c00cf6b9fa86a3a541027db29598b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling syn v1.0.61
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling structopt v0.3.25 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.22s
[INFO] running `Command { std: "docker" "inspect" "d876ab634903601f747eb809600ca373506c00cf6b9fa86a3a541027db29598b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d876ab634903601f747eb809600ca373506c00cf6b9fa86a3a541027db29598b", kill_on_drop: false }`
[INFO] [stdout] d876ab634903601f747eb809600ca373506c00cf6b9fa86a3a541027db29598b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bbfd1d7df03659eae173188805c8397a0682a5408b7326759161fed272aad5c
[INFO] running `Command { std: "docker" "start" "-a" "4bbfd1d7df03659eae173188805c8397a0682a5408b7326759161fed272aad5c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling trybuild v1.0.41
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling dissimilar v1.0.2
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling structopt v0.3.25 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `debug`
[INFO] [stdout]   --> examples/gen_completions.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     debug: 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: `foos`
[INFO] [stdout]  --> examples/at_least_two.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     foos: Vec<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `defines`
[INFO] [stdout]   --> examples/keyvalue.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     defines: Vec<(String, i32)>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `format`
[INFO] [stdout]   --> examples/enum_in_args_with_strum.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     format: Format,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dry_run`
[INFO] [stdout]   --> examples/git.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         dry_run: 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: `all`
[INFO] [stdout]   --> examples/git.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         all: bool,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `repository`
[INFO] [stdout]   --> examples/git.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         repository: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `interactive`
[INFO] [stdout]   --> examples/git.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         interactive: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `all`
[INFO] [stdout]   --> examples/git.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         all: bool,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `files`
[INFO] [stdout]   --> examples/git.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         files: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]   --> tests/regressions.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |                 x: $bool,
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     m!(bool);
[INFO] [stdout]    |     -------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `m` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `foo`
[INFO] [stdout]   --> tests/issues.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         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: `bar`
[INFO] [stdout]   --> tests/issues.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         bar: bool,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]   --> tests/issues.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         a: Opt,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `command`
[INFO] [stdout]    --> tests/issues.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         command: Command,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `num_splines`
[INFO] [stdout]    --> tests/issues.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |             num_splines: u8,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opt_vec`
[INFO] [stdout]    --> tests/issues.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         opt_vec: Vec<u16>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opt_opt_vec`
[INFO] [stdout]    --> tests/issues.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         opt_opt_vec: Option<Vec<u16>>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `verbose`
[INFO] [stdout]  --> examples/negative_flag.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     verbose: 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: `api_url`
[INFO] [stdout]   --> examples/env.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     api_url: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `retries`
[INFO] [stdout]   --> examples/env.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     retries: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `first_flag`
[INFO] [stdout]   --> examples/doc_comments.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     first_flag: 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: `second_flag`
[INFO] [stdout]   --> examples/doc_comments.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     second_flag: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `third_flag`
[INFO] [stdout]   --> examples/doc_comments.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     third_flag: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sub_command`
[INFO] [stdout]   --> examples/doc_comments.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     sub_command: SubCommand,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `verbose`
[INFO] [stdout]  --> examples/flatten.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     verbose: 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: `daemon_opts`
[INFO] [stdout]   --> examples/flatten.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     daemon_opts: DaemonOpts,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `user`
[INFO] [stdout]   --> examples/flatten.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     user: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `group`
[INFO] [stdout]   --> examples/flatten.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     group: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `foo`
[INFO] [stdout]   --> examples/rename_all.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         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: `bar_option`
[INFO] [stdout]   --> examples/rename_all.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         bar_option: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cmds`
[INFO] [stdout]   --> examples/rename_all.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         cmds: Subcommands,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `options`
[INFO] [stdout]   --> examples/rename_all.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         options: BonusOptions,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `baz_option`
[INFO] [stdout]   --> examples/rename_all.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     baz_option: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `method`
[INFO] [stdout]   --> examples/group.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     method: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `get`
[INFO] [stdout]   --> examples/group.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     get: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `head`
[INFO] [stdout]   --> examples/group.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     head: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `post`
[INFO] [stdout]   --> examples/group.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     post: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `put`
[INFO] [stdout]   --> examples/group.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     put: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `delete`
[INFO] [stdout]   --> examples/group.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     delete: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `i`
[INFO] [stdout]   --> examples/enum_in_args.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     i: Baz,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `debug`
[INFO] [stdout]   --> examples/example.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     debug: 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: `speed`
[INFO] [stdout]   --> examples/example.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     speed: f64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `input`
[INFO] [stdout]   --> examples/example.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     input: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `output`
[INFO] [stdout]   --> examples/example.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     output: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `log`
[INFO] [stdout]   --> examples/example.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     log: Option<Option<String>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `optv`
[INFO] [stdout]   --> examples/example.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     optv: Option<Vec<String>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `skipped`
[INFO] [stdout]   --> examples/example.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     skipped: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `structopt`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name default_value --edition=2018 tests/default_value.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' -C metadata=59aded75ee5c296c -C extra-filename=-59aded75ee5c296c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-17c6712be2c3e216.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b33cd6b8ee13db74.rlib --extern rustversion=/opt/rustwide/target/debug/deps/librustversion-d892f098dc53e2c4.so --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-520292b94a6d5bd1.rlib --extern structopt_derive=/opt/rustwide/target/debug/deps/libstructopt_derive-10c9f531f1105917.so --extern strum=/opt/rustwide/target/debug/deps/libstrum-b9dd2ea5a283fd0c.rlib --extern trybuild=/opt/rustwide/target/debug/deps/libtrybuild-5d9de399577c17d1.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field is never read: `dragon`
[INFO] [stdout]   --> examples/after_help.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     dragon: 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: `debug`
[INFO] [stdout]   --> examples/basic.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     debug: 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]   --> examples/basic.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     verbose: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `speed`
[INFO] [stdout]   --> examples/basic.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     speed: f64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `output`
[INFO] [stdout]   --> examples/basic.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     output: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nb_cars`
[INFO] [stdout]   --> examples/basic.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     nb_cars: Option<i32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `level`
[INFO] [stdout]   --> examples/basic.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     level: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `files`
[INFO] [stdout]   --> examples/basic.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     files: Vec<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `command_type`
[INFO] [stdout]    --> tests/flatten.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         command_type: Enum3,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `foo`
[INFO] [stdout]   --> tests/doc-comments-help.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         foo: SubCommand,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `foo`
[INFO] [stdout]    --> tests/doc-comments-help.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |         foo: bool,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `foo`
[INFO] [stdout]    --> tests/doc-comments-help.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         foo: bool,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bar`
[INFO] [stdout]    --> tests/doc-comments-help.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |         bar: bool,
[INFO] [stdout]     |         ^^^^^^^^^
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4bbfd1d7df03659eae173188805c8397a0682a5408b7326759161fed272aad5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bbfd1d7df03659eae173188805c8397a0682a5408b7326759161fed272aad5c", kill_on_drop: false }`
[INFO] [stdout] 4bbfd1d7df03659eae173188805c8397a0682a5408b7326759161fed272aad5c