[INFO] cloning repository https://github.com/7db9a/ls-key
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/7db9a/ls-key" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7db9a%2Fls-key"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7db9a%2Fls-key'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d2a1954a24b5656caaf90d4b95f52f1a528f406a
[INFO] checking 7db9a/ls-key against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7db9a%2Fls-key" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/7db9a/ls-key on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/7db9a/ls-key
[INFO] removed path dependency fixture from git repo https://github.com/7db9a/ls-key
[INFO] finished tweaking git repo https://github.com/7db9a/ls-key
[INFO] tweaked toml for git repo https://github.com/7db9a/ls-key written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/7db9a/ls-key already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (fixture) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-13/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (fixture) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "/opt/rustwide/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 056e71253b202e3fd2a43b2b95bd5e5be0eaf35b657911cd08cad974bcc7a1b4
[INFO] running `"docker" "start" "-a" "056e71253b202e3fd2a43b2b95bd5e5be0eaf35b657911cd08cad974bcc7a1b4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: dependency (fixture) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking xdotool v0.0.2
[INFO] [stderr]     Checking fixture v0.3.1
[INFO] [stderr]     Checking seahorse v0.7.1
[INFO] [stderr]     Checking cmd_lib v0.7.8
[INFO] [stderr]     Checking term_grid v0.1.7
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking ls-key v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/list.rs:39:49
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn list_skip_hidden(mut self) -> Result<(Self), std::io::Error> {
[INFO] [stderr]    |                                                 ^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/list.rs:49:52
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn list_include_hidden(mut self) -> Result<(Self), std::io::Error> {
[INFO] [stderr]    |                                                    ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/list.rs:143:29
[INFO] [stderr]     |
[INFO] [stderr] 143 | fn list_maker(entry: Result<(DirEntry), WalkDirError>, mut list: List) -> Result<(List), std::io::Error> {
[INFO] [stderr]     |                             ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/list.rs:143:82
[INFO] [stderr]     |
[INFO] [stderr] 143 | fn list_maker(entry: Result<(DirEntry), WalkDirError>, mut list: List) -> Result<(List), std::io::Error> {
[INFO] [stderr]     |                                                                                  ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PathBuf`, `Path`
[INFO] [stderr]   --> src/terminal.rs:43:21
[INFO] [stderr]    |
[INFO] [stderr] 43 |     use std::path::{Path, PathBuf};
[INFO] [stderr]    |                     ^^^^  ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/terminal.rs:51:29
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn read() -> Result<(Option<String>), std::io::Error> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/mod.rs:177:29
[INFO] [stderr]     |
[INFO] [stderr] 177 |             let key: Result<(usize), std::num::ParseIntError> = cmd.clone().unwrap().parse();
[INFO] [stderr]     |                             ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/mod.rs:210:29
[INFO] [stderr]     |
[INFO] [stderr] 210 |             let key: Result<(usize), std::num::ParseIntError> = input.iter().next().unwrap().parse();
[INFO] [stderr]     |                             ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `fixture::Fixture`
[INFO] [stderr]    --> src/list.rs:248:9
[INFO] [stderr]     |
[INFO] [stderr] 248 |     use fixture::Fixture;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ no `Fixture` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `fixture::Fixture`
[INFO] [stderr]    --> src/mod.rs:227:9
[INFO] [stderr]     |
[INFO] [stderr] 227 |     use fixture::Fixture;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ no `Fixture` in the root
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/list.rs:39:49
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn list_skip_hidden(mut self) -> Result<(Self), std::io::Error> {
[INFO] [stderr]    |                                                 ^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/list.rs:49:52
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn list_include_hidden(mut self) -> Result<(Self), std::io::Error> {
[INFO] [stderr]    |                                                    ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/list.rs:143:29
[INFO] [stderr]     |
[INFO] [stderr] 143 | fn list_maker(entry: Result<(DirEntry), WalkDirError>, mut list: List) -> Result<(List), std::io::Error> {
[INFO] [stderr]     |                             ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/list.rs:143:82
[INFO] [stderr]     |
[INFO] [stderr] 143 | fn list_maker(entry: Result<(DirEntry), WalkDirError>, mut list: List) -> Result<(List), std::io::Error> {
[INFO] [stderr]     |                                                                                  ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PathBuf`
[INFO] [stderr]    --> src/list.rs:247:27
[INFO] [stderr]     |
[INFO] [stderr] 247 |     use std::path::{Path, PathBuf};
[INFO] [stderr]     |                           ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PathBuf`, `Path`
[INFO] [stderr]   --> src/terminal.rs:43:21
[INFO] [stderr]    |
[INFO] [stderr] 43 |     use std::path::{Path, PathBuf};
[INFO] [stderr]    |                     ^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/terminal.rs:51:29
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn read() -> Result<(Option<String>), std::io::Error> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PathBuf`, `Path`
[INFO] [stderr]    --> src/terminal.rs:266:21
[INFO] [stderr]     |
[INFO] [stderr] 266 |     use std::path::{Path, PathBuf};
[INFO] [stderr]     |                     ^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/mod.rs:177:29
[INFO] [stderr]     |
[INFO] [stderr] 177 |             let key: Result<(usize), std::num::ParseIntError> = cmd.clone().unwrap().parse();
[INFO] [stderr]     |                             ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/mod.rs:210:29
[INFO] [stderr]     |
[INFO] [stderr] 210 |             let key: Result<(usize), std::num::ParseIntError> = input.iter().next().unwrap().parse();
[INFO] [stderr]     |                             ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::metadata`
[INFO] [stderr]    --> src/mod.rs:223:9
[INFO] [stderr]     |
[INFO] [stderr] 223 |     use std::fs::metadata;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PathBuf`, `Path`
[INFO] [stderr]    --> src/mod.rs:224:21
[INFO] [stderr]     |
[INFO] [stderr] 224 |     use std::path::{Path, PathBuf};
[INFO] [stderr]     |                     ^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::Command`
[INFO] [stderr]    --> src/mod.rs:225:9
[INFO] [stderr]     |
[INFO] [stderr] 225 |     use std::process::Command;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LsKey`
[INFO] [stderr]    --> src/mod.rs:228:24
[INFO] [stderr]     |
[INFO] [stderr] 228 |     use super::{Input, LsKey};
[INFO] [stderr]     |                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/mod.rs:94:33
[INFO] [stderr]    |
[INFO] [stderr] 88 | ...                   work => {
[INFO] [stderr]    |                       ---- matches any value
[INFO] [stderr] ...
[INFO] [stderr] 94 | ...                   quite => (),
[INFO] [stderr]    |                       ^^^^^ unreachable pattern
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/mod.rs:95:33
[INFO] [stderr]    |
[INFO] [stderr] 88 | ...                   work => {
[INFO] [stderr]    |                       ---- matches any value
[INFO] [stderr] ...
[INFO] [stderr] 95 | ...                   _ => {terminal::shell::cmd(as_read); ()}
[INFO] [stderr]    |                       ^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `work`
[INFO] [stderr]   --> src/mod.rs:85:33
[INFO] [stderr]    |
[INFO] [stderr] 85 | ...                   let work = 'w'.to_string();
[INFO] [stderr]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_work`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `quite`
[INFO] [stderr]   --> src/mod.rs:86:33
[INFO] [stderr]    |
[INFO] [stderr] 86 | ...                   let quite = 'q'.to_string();
[INFO] [stderr]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_quite`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `work`
[INFO] [stderr]   --> src/mod.rs:88:33
[INFO] [stderr]    |
[INFO] [stderr] 88 | ...                   work => {
[INFO] [stderr]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_work`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `quite`
[INFO] [stderr]   --> src/mod.rs:94:33
[INFO] [stderr]    |
[INFO] [stderr] 94 | ...                   quite => (),
[INFO] [stderr]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_quite`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_path`
[INFO] [stderr]    --> src/mod.rs:112:43
[INFO] [stderr]     |
[INFO] [stderr] 112 | ...                   let file_path =
[INFO] [stderr]     |                           ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args_count`
[INFO] [stderr]    --> src/mod.rs:175:13
[INFO] [stderr]     |
[INFO] [stderr] 175 |         let args_count = args.clone().iter().count();
[INFO] [stderr]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args_count`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `old_parent_dir`
[INFO] [stderr]   --> src/list.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let old_parent_dir = self.parent_dir;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_parent_dir`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]  --> src/terminal.rs:9:36
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn send_key<T: AsRef<str>>(key: T) {
[INFO] [stderr]   |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stdout`
[INFO] [stderr]    --> src/terminal.rs:138:13
[INFO] [stderr]     |
[INFO] [stderr] 138 |         let mut stdout = stdout.lock();
[INFO] [stderr]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stdin`
[INFO] [stderr]    --> src/terminal.rs:140:13
[INFO] [stderr]     |
[INFO] [stderr] 140 |         let mut stdin = stdin.lock();
[INFO] [stderr]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]    --> src/terminal.rs:146:19
[INFO] [stderr]     |
[INFO] [stderr] 146 |               let h = usize::from(r.1);
[INFO] [stderr]     |                   ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stdout`
[INFO] [stderr]    --> src/terminal.rs:168:13
[INFO] [stderr]     |
[INFO] [stderr] 168 |         let mut stdout = stdout.lock();
[INFO] [stderr]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stdin`
[INFO] [stderr]    --> src/terminal.rs:170:13
[INFO] [stderr]     |
[INFO] [stderr] 170 |         let mut stdin = stdin.lock();
[INFO] [stderr]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]    --> src/terminal.rs:186:13
[INFO] [stderr]     |
[INFO] [stderr] 186 |         let h = usize::from(h);
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/list.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let mut list: List = Default::default();
[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/list.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn skip(mut self, entry: &DirEntry) -> bool {
[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/terminal.rs:138:13
[INFO] [stderr]     |
[INFO] [stderr] 138 |         let mut stdout = stdout.lock();
[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/terminal.rs:140:13
[INFO] [stderr]     |
[INFO] [stderr] 140 |         let mut stdin = stdin.lock();
[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/terminal.rs:168:13
[INFO] [stderr]     |
[INFO] [stderr] 168 |         let mut stdout = stdout.lock();
[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/terminal.rs:170:13
[INFO] [stderr]     |
[INFO] [stderr] 170 |         let mut stdin = stdin.lock();
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_key`
[INFO] [stderr]    --> src/mod.rs:208:9
[INFO] [stderr]     |
[INFO] [stderr] 208 |      fn is_key(&self, input: &Vec<String>) -> bool {
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/mod.rs:61:21
[INFO] [stderr]    |
[INFO] [stderr] 61 |                     list::print_list_with_keys(list.clone());
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/mod.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 list::print_list_with_keys(list.clone());
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/mod.rs:95:39
[INFO] [stderr]    |
[INFO] [stderr] 95 | ...                   _ => {terminal::shell::cmd(as_read); ()}
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 34 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `ls-key`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0432]: unresolved import `fixture::Fixture`
[INFO] [stderr]    --> src/bin/main.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |     use fixture::Fixture;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ no `Fixture` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `fixture::command_assistors`
[INFO] [stderr]    --> src/bin/main.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |     use fixture::command_assistors;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `command_assistors` in the root
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/bin/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `is_file`, `print_list_with_keys`
[INFO] [stderr]  --> src/bin/main.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 | use list::{List, print_list_with_keys, is_dir, is_file};
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^^^^          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PathBuf`
[INFO] [stderr]    --> src/bin/main.rs:138:27
[INFO] [stderr]     |
[INFO] [stderr] 138 |     use std::path::{Path, PathBuf};
[INFO] [stderr]     |                           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/bin/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `is_file`, `print_list_with_keys`
[INFO] [stderr]  --> src/bin/main.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 | use list::{List, print_list_with_keys, is_dir, is_file};
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^^^^          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `ls-key`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: value assigned to `use_path` is never read
[INFO] [stderr]   --> src/bin/main.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut use_path = PathBuf::new();
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/bin/main.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let path = "";
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `use_path` is never read
[INFO] [stderr]   --> src/bin/main.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let mut use_path = PathBuf::new();
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `list`
[INFO] [stderr]    --> src/bin/main.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |     let mut list: List = Default::default();
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/bin/main.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |     let path = "";
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/main.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |     let mut list: List = Default::default();
[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: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "056e71253b202e3fd2a43b2b95bd5e5be0eaf35b657911cd08cad974bcc7a1b4"`
[INFO] running `"docker" "rm" "-f" "056e71253b202e3fd2a43b2b95bd5e5be0eaf35b657911cd08cad974bcc7a1b4"`
[INFO] [stdout] 056e71253b202e3fd2a43b2b95bd5e5be0eaf35b657911cd08cad974bcc7a1b4