[INFO] fetching crate structopt 0.3.26...
[INFO] testing structopt-0.3.26 against 1.59.0 for beta-1.60-1
[INFO] extracting crate structopt 0.3.26 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate structopt 0.3.26 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate structopt 0.3.26
[INFO] finished tweaking crates.io crate structopt 0.3.26
[INFO] tweaked toml for crates.io crate structopt 0.3.26 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate structopt 0.3.26 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea5f3bc8b3818f3e0bcca677b790103c12ce334ee171c4df12b1c323012c0024
[INFO] running `Command { std: "docker" "start" "-a" "ea5f3bc8b3818f3e0bcca677b790103c12ce334ee171c4df12b1c323012c0024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea5f3bc8b3818f3e0bcca677b790103c12ce334ee171c4df12b1c323012c0024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea5f3bc8b3818f3e0bcca677b790103c12ce334ee171c4df12b1c323012c0024", kill_on_drop: false }`
[INFO] [stdout] ea5f3bc8b3818f3e0bcca677b790103c12ce334ee171c4df12b1c323012c0024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e84921aceb632c76c653c8d102da7b28e71f0622b1e6987eaa6be2cdc8ea6651
[INFO] running `Command { std: "docker" "start" "-a" "e84921aceb632c76c653c8d102da7b28e71f0622b1e6987eaa6be2cdc8ea6651", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.61
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[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 v0.3.26 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.99s
[INFO] running `Command { std: "docker" "inspect" "e84921aceb632c76c653c8d102da7b28e71f0622b1e6987eaa6be2cdc8ea6651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e84921aceb632c76c653c8d102da7b28e71f0622b1e6987eaa6be2cdc8ea6651", kill_on_drop: false }`
[INFO] [stdout] e84921aceb632c76c653c8d102da7b28e71f0622b1e6987eaa6be2cdc8ea6651
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 362a8682ab211ec79c61bfd64ae52e468b025cf3cbcb4efaa219b15d887946c7
[INFO] running `Command { std: "docker" "start" "-a" "362a8682ab211ec79c61bfd64ae52e468b025cf3cbcb4efaa219b15d887946c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling ryu v1.0.5
[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 termcolor v1.1.2
[INFO] [stderr]    Compiling glob v0.3.0
[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 v0.3.26 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `i`
[INFO] [stdout]   --> examples/enum_in_args.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     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/gen_completions.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     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: `debug`
[INFO] [stdout]   --> examples/basic.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     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:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     verbose: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `speed`
[INFO] [stdout]   --> examples/basic.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     speed: f64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `output`
[INFO] [stdout]   --> examples/basic.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     output: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nb_cars`
[INFO] [stdout]   --> examples/basic.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     nb_cars: Option<i32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `level`
[INFO] [stdout]   --> examples/basic.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     level: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `files`
[INFO] [stdout]   --> examples/basic.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     files: Vec<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `format`
[INFO] [stdout]   --> examples/enum_in_args_with_strum.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     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: `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: `first_flag`
[INFO] [stdout]   --> examples/doc_comments.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     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:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     second_flag: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `third_flag`
[INFO] [stdout]   --> examples/doc_comments.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     third_flag: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `method`
[INFO] [stdout]   --> examples/group.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     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: `sub_command`
[INFO] [stdout]    --> examples/doc_comments.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     sub_command: SubCommand,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `get`
[INFO] [stdout]   --> examples/group.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     get: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `head`
[INFO] [stdout]   --> examples/group.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     head: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `post`
[INFO] [stdout]   --> examples/group.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     post: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `put`
[INFO] [stdout]   --> examples/group.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     put: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `delete`
[INFO] [stdout]   --> examples/group.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     delete: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `verbose`
[INFO] [stdout]   --> examples/negative_flag.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     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: `defines`
[INFO] [stdout]   --> examples/keyvalue.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     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: `dry_run`
[INFO] [stdout]   --> examples/git.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         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:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         all: bool,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `repository`
[INFO] [stdout]   --> examples/git.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         repository: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `interactive`
[INFO] [stdout]   --> examples/git.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         interactive: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `all`
[INFO] [stdout]   --> examples/git.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         all: bool,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `files`
[INFO] [stdout]   --> examples/git.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         files: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dragon`
[INFO] [stdout]   --> examples/after_help.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     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: `foo`
[INFO] [stdout]   --> examples/rename_all.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         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:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         bar_option: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cmds`
[INFO] [stdout]   --> examples/rename_all.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         cmds: Subcommands,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `options`
[INFO] [stdout]   --> examples/rename_all.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         options: BonusOptions,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `baz_option`
[INFO] [stdout]   --> examples/rename_all.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     baz_option: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `api_url`
[INFO] [stdout]   --> examples/env.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     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:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     retries: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[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: field is never read: `verbose`
[INFO] [stdout]   --> examples/flatten.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     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:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     daemon_opts: DaemonOpts,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `user`
[INFO] [stdout]   --> examples/flatten.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     user: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `group`
[INFO] [stdout]   --> examples/flatten.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     group: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `debug`
[INFO] [stdout]   --> examples/example.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     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:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     speed: f64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `input`
[INFO] [stdout]   --> examples/example.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     input: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `output`
[INFO] [stdout]   --> examples/example.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     output: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `log`
[INFO] [stdout]   --> examples/example.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     log: Option<Option<String>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `optv`
[INFO] [stdout]   --> examples/example.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     optv: Option<Vec<String>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `skipped`
[INFO] [stdout]   --> examples/example.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     skipped: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[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: `foos`
[INFO] [stdout]   --> examples/at_least_two.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     foos: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[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 arguments --edition=2018 tests/arguments.rs --error-format=json --json=diagnostic-rendered-ansi,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' -C metadata=d585c531f9e31825 -C extra-filename=-d585c531f9e31825 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-8077f1d1d7dcad02.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-02ff0d0fbc57b9b4.rlib --extern rustversion=/opt/rustwide/target/debug/deps/librustversion-eb65e60a3cb3f14b.so --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-abb444799c0fd6e2.rlib --extern structopt_derive=/opt/rustwide/target/debug/deps/libstructopt_derive-1b7f871bacf33ff6.so --extern strum=/opt/rustwide/target/debug/deps/libstrum-b49201b673add32c.rlib --extern trybuild=/opt/rustwide/target/debug/deps/libtrybuild-9b864262f57a54a1.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "362a8682ab211ec79c61bfd64ae52e468b025cf3cbcb4efaa219b15d887946c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "362a8682ab211ec79c61bfd64ae52e468b025cf3cbcb4efaa219b15d887946c7", kill_on_drop: false }`
[INFO] [stdout] 362a8682ab211ec79c61bfd64ae52e468b025cf3cbcb4efaa219b15d887946c7