[INFO] cloning repository https://github.com/aaronschif/prompt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aaronschif/prompt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaronschif%2Fprompt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaronschif%2Fprompt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd5370d2633c2e147c2e9d24d1f56485d4d704be
[INFO] testing aaronschif/prompt against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaronschif%2Fprompt" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aaronschif/prompt on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aaronschif/prompt
[INFO] finished tweaking git repo https://github.com/aaronschif/prompt
[INFO] tweaked toml for git repo https://github.com/aaronschif/prompt written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/aaronschif/prompt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bd9b82dd08cb6d97ef6056323f5666969c6e5f5e33a96eee101f16d79372f5cd
[INFO] running `Command { std: "docker" "start" "-a" "bd9b82dd08cb6d97ef6056323f5666969c6e5f5e33a96eee101f16d79372f5cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd9b82dd08cb6d97ef6056323f5666969c6e5f5e33a96eee101f16d79372f5cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd9b82dd08cb6d97ef6056323f5666969c6e5f5e33a96eee101f16d79372f5cd", kill_on_drop: false }`
[INFO] [stdout] bd9b82dd08cb6d97ef6056323f5666969c6e5f5e33a96eee101f16d79372f5cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 192db9bfeb2878440d91c6658f7608df548cf7762b231a6c0c65550f759eaadd
[INFO] running `Command { std: "docker" "start" "-a" "192db9bfeb2878440d91c6658f7608df548cf7762b231a6c0c65550f759eaadd", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]    Compiling curl-sys v0.4.13
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling libgit2-sys v0.7.10
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling url v1.7.1
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling git2 v0.7.5
[INFO] [stderr]    Compiling prompt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `termion::color::Color`
[INFO] [stdout]  --> src/shells/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use termion::color::Color;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Formatter`
[INFO] [stdout]   --> src/main.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 | use self::formatter::{Formatter};
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shells/mod.rs:30:31
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Style<'a> (pub &'a Shell,pub &'a fmt::Display,pub &'a fmt::Display);
[INFO] [stdout]    |                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 - pub struct Style<'a> (pub &'a Shell,pub &'a fmt::Display,pub &'a fmt::Display);
[INFO] [stdout] 30 + pub struct Style<'a> (pub &'a dyn Shell,pub &'a fmt::Display,pub &'a fmt::Display);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shells/mod.rs:30:45
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Style<'a> (pub &'a Shell,pub &'a fmt::Display,pub &'a fmt::Display);
[INFO] [stdout]    |                                             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 - pub struct Style<'a> (pub &'a Shell,pub &'a fmt::Display,pub &'a fmt::Display);
[INFO] [stdout] 30 + pub struct Style<'a> (pub &'a Shell,pub &'a dyn fmt::Display,pub &'a fmt::Display);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shells/mod.rs:30:66
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Style<'a> (pub &'a Shell,pub &'a fmt::Display,pub &'a fmt::Display);
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 - pub struct Style<'a> (pub &'a Shell,pub &'a fmt::Display,pub &'a fmt::Display);
[INFO] [stdout] 30 + pub struct Style<'a> (pub &'a Shell,pub &'a fmt::Display,pub &'a dyn fmt::Display);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:53:22
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn sc_prompt(shell: &Shell, app: &ArgMatches) {
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 - fn sc_prompt(shell: &Shell, app: &ArgMatches) {
[INFO] [stdout] 53 + fn sc_prompt(shell: &dyn Shell, app: &ArgMatches) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/shells/mod.rs:9:54
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display);
[INFO] [stdout]   |                                                      ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 -     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display);
[INFO] [stdout] 9 +     fn escape(&self, f: &mut fmt::Formatter, thing: &dyn fmt::Display, thing2: &fmt::Display);
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/shells/mod.rs:9:77
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display);
[INFO] [stdout]   |                                                                             ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 -     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display);
[INFO] [stdout] 9 +     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &dyn fmt::Display);
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shells/mod.rs:13:54
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 -     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout] 13 +     fn escape(&self, f: &mut fmt::Formatter, thing: &dyn fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shells/mod.rs:13:77
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 -     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout] 13 +     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &dyn fmt::Display) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shells/mod.rs:19:54
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 -     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout] 19 +     fn escape(&self, f: &mut fmt::Formatter, thing: &dyn fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shells/mod.rs:19:77
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 -     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout] 19 +     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &dyn fmt::Display) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shells/mod.rs:25:54
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 -     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout] 25 +     fn escape(&self, f: &mut fmt::Formatter, thing: &dyn fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shells/mod.rs:25:77
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 -     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout] 25 +     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &dyn fmt::Display) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:148:20
[INFO] [stdout]     |
[INFO] [stdout] 148 |     let shell: Box<Shell> = match value_t!(app, "shell", SupportedShells).unwrap() {
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 148 -     let shell: Box<Shell> = match value_t!(app, "shell", SupportedShells).unwrap() {
[INFO] [stdout] 148 +     let shell: Box<dyn Shell> = match value_t!(app, "shell", SupportedShells).unwrap() {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/formatter.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn fg(mut self) -> Self {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/formatter.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn bg(mut self) -> Self {
[INFO] [stdout]    |               ----^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/formatter.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn reset(mut self) -> Self {
[INFO] [stdout]    |                  ----^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parts`
[INFO] [stdout]  --> src/formatter.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     parts: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Formatter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/formatter.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_string`
[INFO] [stdout]  --> src/formatter.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn to_string() -> String {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/formatter.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn add(mut self, part: &str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fg`
[INFO] [stdout]   --> src/formatter.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn fg(mut self) -> Self {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bg`
[INFO] [stdout]   --> src/formatter.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn bg(mut self) -> Self {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> src/formatter.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn reset(mut self) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/git/mod.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         repo.stash_foreach(|_, _, _| {stash_count += 1; true}).is_ok();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/shells/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         write!(f, "\033[31m{}{}\033[m", thing, thing2);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/shells/mod.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         write!(f, "%{{{}{}%}}", thing, thing2);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/shells/mod.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         write!(f, "{}{}", thing, thing2);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "192db9bfeb2878440d91c6658f7608df548cf7762b231a6c0c65550f759eaadd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "192db9bfeb2878440d91c6658f7608df548cf7762b231a6c0c65550f759eaadd", kill_on_drop: false }`
[INFO] [stdout] 192db9bfeb2878440d91c6658f7608df548cf7762b231a6c0c65550f759eaadd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b6c96cff42ebf4ff269e2f094d71ab52edbd3ca0dff691159e356afc422ab938
[INFO] running `Command { std: "docker" "start" "-a" "b6c96cff42ebf4ff269e2f094d71ab52edbd3ca0dff691159e356afc422ab938", kill_on_drop: false }`
[INFO] [stderr]    Compiling prompt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `termion::color::Color`
[INFO] [stdout]  --> src/shells/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use termion::color::Color;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Formatter`
[INFO] [stdout]   --> src/main.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 | use self::formatter::{Formatter};
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shells/mod.rs:30:31
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Style<'a> (pub &'a Shell,pub &'a fmt::Display,pub &'a fmt::Display);
[INFO] [stdout]    |                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 - pub struct Style<'a> (pub &'a Shell,pub &'a fmt::Display,pub &'a fmt::Display);
[INFO] [stdout] 30 + pub struct Style<'a> (pub &'a dyn Shell,pub &'a fmt::Display,pub &'a fmt::Display);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shells/mod.rs:30:45
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Style<'a> (pub &'a Shell,pub &'a fmt::Display,pub &'a fmt::Display);
[INFO] [stdout]    |                                             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 - pub struct Style<'a> (pub &'a Shell,pub &'a fmt::Display,pub &'a fmt::Display);
[INFO] [stdout] 30 + pub struct Style<'a> (pub &'a Shell,pub &'a dyn fmt::Display,pub &'a fmt::Display);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shells/mod.rs:30:66
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Style<'a> (pub &'a Shell,pub &'a fmt::Display,pub &'a fmt::Display);
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 - pub struct Style<'a> (pub &'a Shell,pub &'a fmt::Display,pub &'a fmt::Display);
[INFO] [stdout] 30 + pub struct Style<'a> (pub &'a Shell,pub &'a fmt::Display,pub &'a dyn fmt::Display);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:53:22
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn sc_prompt(shell: &Shell, app: &ArgMatches) {
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 - fn sc_prompt(shell: &Shell, app: &ArgMatches) {
[INFO] [stdout] 53 + fn sc_prompt(shell: &dyn Shell, app: &ArgMatches) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/shells/mod.rs:9:54
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display);
[INFO] [stdout]   |                                                      ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 -     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display);
[INFO] [stdout] 9 +     fn escape(&self, f: &mut fmt::Formatter, thing: &dyn fmt::Display, thing2: &fmt::Display);
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/shells/mod.rs:9:77
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display);
[INFO] [stdout]   |                                                                             ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 -     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display);
[INFO] [stdout] 9 +     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &dyn fmt::Display);
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shells/mod.rs:13:54
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 -     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout] 13 +     fn escape(&self, f: &mut fmt::Formatter, thing: &dyn fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shells/mod.rs:13:77
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 -     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout] 13 +     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &dyn fmt::Display) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shells/mod.rs:19:54
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 -     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout] 19 +     fn escape(&self, f: &mut fmt::Formatter, thing: &dyn fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shells/mod.rs:19:77
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 -     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout] 19 +     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &dyn fmt::Display) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shells/mod.rs:25:54
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 -     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout] 25 +     fn escape(&self, f: &mut fmt::Formatter, thing: &dyn fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/shells/mod.rs:25:77
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 -     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stdout] 25 +     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &dyn fmt::Display) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:148:20
[INFO] [stdout]     |
[INFO] [stdout] 148 |     let shell: Box<Shell> = match value_t!(app, "shell", SupportedShells).unwrap() {
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 148 -     let shell: Box<Shell> = match value_t!(app, "shell", SupportedShells).unwrap() {
[INFO] [stdout] 148 +     let shell: Box<dyn Shell> = match value_t!(app, "shell", SupportedShells).unwrap() {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/formatter.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn fg(mut self) -> Self {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/formatter.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn bg(mut self) -> Self {
[INFO] [stdout]    |               ----^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/formatter.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn reset(mut self) -> Self {
[INFO] [stdout]    |                  ----^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parts`
[INFO] [stdout]  --> src/formatter.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     parts: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Formatter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/formatter.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_string`
[INFO] [stdout]  --> src/formatter.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn to_string() -> String {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/formatter.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn add(mut self, part: &str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fg`
[INFO] [stdout]   --> src/formatter.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn fg(mut self) -> Self {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bg`
[INFO] [stdout]   --> src/formatter.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn bg(mut self) -> Self {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> src/formatter.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn reset(mut self) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/git/mod.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         repo.stash_foreach(|_, _, _| {stash_count += 1; true}).is_ok();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/shells/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         write!(f, "\033[31m{}{}\033[m", thing, thing2);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/shells/mod.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         write!(f, "%{{{}{}%}}", thing, thing2);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/shells/mod.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         write!(f, "{}{}", thing, thing2);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.46s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/prompt-ef9e5e87cc1f912f)
[INFO] running `Command { std: "docker" "inspect" "b6c96cff42ebf4ff269e2f094d71ab52edbd3ca0dff691159e356afc422ab938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6c96cff42ebf4ff269e2f094d71ab52edbd3ca0dff691159e356afc422ab938", kill_on_drop: false }`
[INFO] [stdout] b6c96cff42ebf4ff269e2f094d71ab52edbd3ca0dff691159e356afc422ab938
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4970e1336534f98fbecd914f079edcd5a1bf1cbec384c0814018460d65b1ce38
[INFO] running `Command { std: "docker" "start" "-a" "4970e1336534f98fbecd914f079edcd5a1bf1cbec384c0814018460d65b1ce38", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `termion::color::Color`
[INFO] [stderr]  --> src/shells/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use termion::color::Color;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Formatter`
[INFO] [stderr]   --> src/main.rs:15:23
[INFO] [stderr]    |
[INFO] [stderr] 15 | use self::formatter::{Formatter};
[INFO] [stderr]    |                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/shells/mod.rs:30:31
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub struct Style<'a> (pub &'a Shell,pub &'a fmt::Display,pub &'a fmt::Display);
[INFO] [stderr]    |                               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 30 - pub struct Style<'a> (pub &'a Shell,pub &'a fmt::Display,pub &'a fmt::Display);
[INFO] [stderr] 30 + pub struct Style<'a> (pub &'a dyn Shell,pub &'a fmt::Display,pub &'a fmt::Display);
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/shells/mod.rs:30:45
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub struct Style<'a> (pub &'a Shell,pub &'a fmt::Display,pub &'a fmt::Display);
[INFO] [stderr]    |                                             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 30 - pub struct Style<'a> (pub &'a Shell,pub &'a fmt::Display,pub &'a fmt::Display);
[INFO] [stderr] 30 + pub struct Style<'a> (pub &'a Shell,pub &'a dyn fmt::Display,pub &'a fmt::Display);
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/shells/mod.rs:30:66
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub struct Style<'a> (pub &'a Shell,pub &'a fmt::Display,pub &'a fmt::Display);
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 30 - pub struct Style<'a> (pub &'a Shell,pub &'a fmt::Display,pub &'a fmt::Display);
[INFO] [stderr] 30 + pub struct Style<'a> (pub &'a Shell,pub &'a fmt::Display,pub &'a dyn fmt::Display);
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:53:22
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn sc_prompt(shell: &Shell, app: &ArgMatches) {
[INFO] [stderr]    |                      ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 53 - fn sc_prompt(shell: &Shell, app: &ArgMatches) {
[INFO] [stderr] 53 + fn sc_prompt(shell: &dyn Shell, app: &ArgMatches) {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/shells/mod.rs:9:54
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display);
[INFO] [stderr]   |                                                      ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 9 -     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display);
[INFO] [stderr] 9 +     fn escape(&self, f: &mut fmt::Formatter, thing: &dyn fmt::Display, thing2: &fmt::Display);
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/shells/mod.rs:9:77
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display);
[INFO] [stderr]   |                                                                             ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 9 -     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display);
[INFO] [stderr] 9 +     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &dyn fmt::Display);
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/shells/mod.rs:13:54
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 13 -     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stderr] 13 +     fn escape(&self, f: &mut fmt::Formatter, thing: &dyn fmt::Display, thing2: &fmt::Display) {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/shells/mod.rs:13:77
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 13 -     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stderr] 13 +     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &dyn fmt::Display) {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/shells/mod.rs:19:54
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 19 -     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stderr] 19 +     fn escape(&self, f: &mut fmt::Formatter, thing: &dyn fmt::Display, thing2: &fmt::Display) {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/shells/mod.rs:19:77
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 19 -     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stderr] 19 +     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &dyn fmt::Display) {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/shells/mod.rs:25:54
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 25 -     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stderr] 25 +     fn escape(&self, f: &mut fmt::Formatter, thing: &dyn fmt::Display, thing2: &fmt::Display) {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/shells/mod.rs:25:77
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 25 -     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &fmt::Display) {
[INFO] [stderr] 25 +     fn escape(&self, f: &mut fmt::Formatter, thing: &fmt::Display, thing2: &dyn fmt::Display) {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:148:20
[INFO] [stderr]     |
[INFO] [stderr] 148 |     let shell: Box<Shell> = match value_t!(app, "shell", SupportedShells).unwrap() {
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 148 -     let shell: Box<Shell> = match value_t!(app, "shell", SupportedShells).unwrap() {
[INFO] [stderr] 148 +     let shell: Box<dyn Shell> = match value_t!(app, "shell", SupportedShells).unwrap() {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/formatter.rs:16:15
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn fg(mut self) -> Self {
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/formatter.rs:20:15
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn bg(mut self) -> Self {
[INFO] [stderr]    |               ----^^^^
[INFO] [stderr]    |               |
[INFO] [stderr]    |               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/formatter.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn reset(mut self) -> Self {
[INFO] [stderr]    |                  ----^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `parts`
[INFO] [stderr]  --> src/formatter.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     parts: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Formatter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/formatter.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[derive(Debug)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_string`
[INFO] [stderr]  --> src/formatter.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn to_string() -> String {
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add`
[INFO] [stderr]   --> src/formatter.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn add(mut self, part: &str) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `fg`
[INFO] [stderr]   --> src/formatter.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn fg(mut self) -> Self {
[INFO] [stderr]    |            ^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `bg`
[INFO] [stderr]   --> src/formatter.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn bg(mut self) -> Self {
[INFO] [stderr]    |            ^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `reset`
[INFO] [stderr]   --> src/formatter.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn reset(mut self) -> Self {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/git/mod.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         repo.stash_foreach(|_, _, _| {stash_count += 1; true}).is_ok();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/shells/mod.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         write!(f, "\033[31m{}{}\033[m", thing, thing2);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/shells/mod.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         write!(f, "%{{{}{}%}}", thing, thing2);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/shells/mod.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         write!(f, "{}{}", thing, thing2);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `prompt` (bin "prompt" test) generated 28 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/prompt-ef9e5e87cc1f912f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4970e1336534f98fbecd914f079edcd5a1bf1cbec384c0814018460d65b1ce38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4970e1336534f98fbecd914f079edcd5a1bf1cbec384c0814018460d65b1ce38", kill_on_drop: false }`
[INFO] [stdout] 4970e1336534f98fbecd914f079edcd5a1bf1cbec384c0814018460d65b1ce38