[INFO] fetching crate impromptu 0.0.1...
[INFO] building impromptu-0.0.1 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate impromptu 0.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate impromptu 0.0.1 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate impromptu 0.0.1
[INFO] finished tweaking crates.io crate impromptu 0.0.1
[INFO] tweaked toml for crates.io crate impromptu 0.0.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate impromptu 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea8c007d69a8df82e520cd72312b4ef4f4000cc697850b968550aaa6879af3a7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ea8c007d69a8df82e520cd72312b4ef4f4000cc697850b968550aaa6879af3a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea8c007d69a8df82e520cd72312b4ef4f4000cc697850b968550aaa6879af3a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea8c007d69a8df82e520cd72312b4ef4f4000cc697850b968550aaa6879af3a7", kill_on_drop: false }`
[INFO] [stdout] ea8c007d69a8df82e520cd72312b4ef4f4000cc697850b968550aaa6879af3a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee061d916b44cfce87b00fc4ed6a6c351f9913cacba56b981bb61e512f13e5c0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ee061d916b44cfce87b00fc4ed6a6c351f9913cacba56b981bb61e512f13e5c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling criterion-plot v0.4.0
[INFO] [stderr]    Compiling url v2.1.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling termion v1.5.3
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_os v0.2.2
[INFO] [stderr]    Compiling rand_xoshiro v0.3.1
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.50
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.12
[INFO] [stderr]    Compiling libgit2-sys v0.9.1
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling once_cell v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling cached v0.9.0
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling tinytemplate v1.0.2
[INFO] [stderr]    Compiling git2 v0.10.1
[INFO] [stderr]    Compiling criterion v0.3.0
[INFO] [stderr]    Compiling impromptu v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `style::Style::*`
[INFO] [stdout]  --> src/main-colors.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use style::Style::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bold`
[INFO] [stdout]   --> src/style.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Bold,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Faint`
[INFO] [stdout]   --> src/style.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Faint,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Italic`
[INFO] [stdout]   --> src/style.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Italic,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Underline`
[INFO] [stdout]   --> src/style.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Underline,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Blink`
[INFO] [stdout]   --> src/style.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Blink,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Invert`
[INFO] [stdout]   --> src/style.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Invert,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CrossedOut`
[INFO] [stdout]   --> src/style.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     CrossedOut,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Framed`
[INFO] [stdout]   --> src/style.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Framed,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `styled`
[INFO] [stdout]    --> src/style.rs:235:8
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub fn styled<T: std::fmt::Display>(arg: T, style: Style) -> String {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/git.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let mut describe_fmt_options = git2::DescribeFormatOptions::new();
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size_policy`
[INFO] [stdout]   --> src/widget.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     size_policy: SizePolicy,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Line`
[INFO] [stdout]   --> src/widget.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 | struct Line {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/widget.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn add(&mut self, widget: Widget) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_with_separator`
[INFO] [stdout]    --> src/widget.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn add_with_separator(&mut self, widget: Widget, separator: String) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_with_separator_reversed`
[INFO] [stdout]    --> src/widget.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn add_with_separator_reversed(&mut self, widget: Widget, separator: String) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.34s
[INFO] running `Command { std: "docker" "inspect" "ee061d916b44cfce87b00fc4ed6a6c351f9913cacba56b981bb61e512f13e5c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee061d916b44cfce87b00fc4ed6a6c351f9913cacba56b981bb61e512f13e5c0", kill_on_drop: false }`
[INFO] [stdout] ee061d916b44cfce87b00fc4ed6a6c351f9913cacba56b981bb61e512f13e5c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e47ff87e2ff156aabf222f7fa9873c31478d12c79c2e0eea68d5fa48f199e6c6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e47ff87e2ff156aabf222f7fa9873c31478d12c79c2e0eea68d5fa48f199e6c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling impromptu v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `style::Style::*`
[INFO] [stdout]  --> src/main-colors.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use style::Style::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bold`
[INFO] [stdout]   --> src/style.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Bold,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Faint`
[INFO] [stdout]   --> src/style.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Faint,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Italic`
[INFO] [stdout]   --> src/style.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Italic,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Underline`
[INFO] [stdout]   --> src/style.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Underline,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Blink`
[INFO] [stdout]   --> src/style.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Blink,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Invert`
[INFO] [stdout]   --> src/style.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Invert,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CrossedOut`
[INFO] [stdout]   --> src/style.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     CrossedOut,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Framed`
[INFO] [stdout]   --> src/style.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Framed,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `styled`
[INFO] [stdout]    --> src/style.rs:235:8
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub fn styled<T: std::fmt::Display>(arg: T, style: Style) -> String {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/git.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let mut describe_fmt_options = git2::DescribeFormatOptions::new();
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size_policy`
[INFO] [stdout]   --> src/widget.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     size_policy: SizePolicy,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Line`
[INFO] [stdout]   --> src/widget.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 | struct Line {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/widget.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn add(&mut self, widget: Widget) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_with_separator`
[INFO] [stdout]    --> src/widget.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn add_with_separator(&mut self, widget: Widget, separator: String) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_with_separator_reversed`
[INFO] [stdout]    --> src/widget.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn add_with_separator_reversed(&mut self, widget: Widget, separator: String) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "e47ff87e2ff156aabf222f7fa9873c31478d12c79c2e0eea68d5fa48f199e6c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e47ff87e2ff156aabf222f7fa9873c31478d12c79c2e0eea68d5fa48f199e6c6", kill_on_drop: false }`
[INFO] [stdout] e47ff87e2ff156aabf222f7fa9873c31478d12c79c2e0eea68d5fa48f199e6c6
