[INFO] crate impromptu 0.0.1 is already in cache
[INFO] testing impromptu-0.0.1 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate impromptu 0.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate impromptu 0.0.1 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e21296d9638d693137fe828bf155e62e6dea41e01b26a3af415d348d7f0ddfd0
[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" "e21296d9638d693137fe828bf155e62e6dea41e01b26a3af415d348d7f0ddfd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e21296d9638d693137fe828bf155e62e6dea41e01b26a3af415d348d7f0ddfd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e21296d9638d693137fe828bf155e62e6dea41e01b26a3af415d348d7f0ddfd0", kill_on_drop: false }`
[INFO] [stdout] e21296d9638d693137fe828bf155e62e6dea41e01b26a3af415d348d7f0ddfd0
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8513fb4e4ffe060e2bf4f8a5886814489f0bffc2563eba523e92094e2aecd8e
[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" "d8513fb4e4ffe060e2bf4f8a5886814489f0bffc2563eba523e92094e2aecd8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[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 crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling criterion-plot v0.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling url v2.1.0
[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 cc v1.0.45
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling rand_os v0.2.2
[INFO] [stderr]    Compiling rand_xoshiro v0.3.1
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.50
[INFO] [stderr]    Compiling libssh2-sys v0.2.12
[INFO] [stderr]    Compiling libgit2-sys v0.9.1
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling once_cell v0.1.8
[INFO] [stderr]    Compiling cached v0.9.0
[INFO] [stderr]    Compiling csv v1.1.1
[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 57.48s
[INFO] running `Command { std: "docker" "inspect" "d8513fb4e4ffe060e2bf4f8a5886814489f0bffc2563eba523e92094e2aecd8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8513fb4e4ffe060e2bf4f8a5886814489f0bffc2563eba523e92094e2aecd8e", kill_on_drop: false }`
[INFO] [stdout] d8513fb4e4ffe060e2bf4f8a5886814489f0bffc2563eba523e92094e2aecd8e
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb56736b304c6e47a63fa8afb593b438979dbb87ffca7dd298d20b23caad6392
[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" "bb56736b304c6e47a63fa8afb593b438979dbb87ffca7dd298d20b23caad6392", 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 1.48s
[INFO] running `Command { std: "docker" "inspect" "bb56736b304c6e47a63fa8afb593b438979dbb87ffca7dd298d20b23caad6392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb56736b304c6e47a63fa8afb593b438979dbb87ffca7dd298d20b23caad6392", kill_on_drop: false }`
[INFO] [stdout] bb56736b304c6e47a63fa8afb593b438979dbb87ffca7dd298d20b23caad6392
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e525e4f2d1f77271f7abab123a1e9c1988da82fe04ab414efd9e1921bcd0943a
[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" "e525e4f2d1f77271f7abab123a1e9c1988da82fe04ab414efd9e1921bcd0943a", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `style::Style::*`
[INFO] [stderr]  --> src/main-colors.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use style::Style::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bold`
[INFO] [stderr]   --> src/style.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Bold,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Faint`
[INFO] [stderr]   --> src/style.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Faint,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Italic`
[INFO] [stderr]   --> src/style.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Italic,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Underline`
[INFO] [stderr]   --> src/style.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Underline,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Blink`
[INFO] [stderr]   --> src/style.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Blink,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Invert`
[INFO] [stderr]   --> src/style.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     Invert,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CrossedOut`
[INFO] [stderr]   --> src/style.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     CrossedOut,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Framed`
[INFO] [stderr]   --> src/style.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Framed,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `styled`
[INFO] [stderr]    --> src/style.rs:235:8
[INFO] [stderr]     |
[INFO] [stderr] 235 | pub fn styled<T: std::fmt::Display>(arg: T, style: Style) -> String {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/git.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |     let mut describe_fmt_options = git2::DescribeFormatOptions::new();
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `size_policy`
[INFO] [stderr]   --> src/widget.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     size_policy: SizePolicy,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Line`
[INFO] [stderr]   --> src/widget.rs:92:8
[INFO] [stderr]    |
[INFO] [stderr] 92 | struct Line {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add`
[INFO] [stderr]   --> src/widget.rs:97:12
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub fn add(&mut self, widget: Widget) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_with_separator`
[INFO] [stderr]    --> src/widget.rs:101:12
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn add_with_separator(&mut self, widget: Widget, separator: String) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_with_separator_reversed`
[INFO] [stderr]    --> src/widget.rs:123:12
[INFO] [stderr]     |
[INFO] [stderr] 123 |     pub fn add_with_separator_reversed(&mut self, widget: Widget, separator: String) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/impromptu-0127ed3e1c0d2a00
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/impromptu_colors-1f831af9c24718d8
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e525e4f2d1f77271f7abab123a1e9c1988da82fe04ab414efd9e1921bcd0943a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e525e4f2d1f77271f7abab123a1e9c1988da82fe04ab414efd9e1921bcd0943a", kill_on_drop: false }`
[INFO] [stdout] e525e4f2d1f77271f7abab123a1e9c1988da82fe04ab414efd9e1921bcd0943a