[INFO] cloning repository https://github.com/jcfromsiberia/codecrafters-shell-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jcfromsiberia/codecrafters-shell-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcfromsiberia%2Fcodecrafters-shell-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcfromsiberia%2Fcodecrafters-shell-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16eddf223e15dc746be0ca16962a5279ff1db5f8
[INFO] linting jcfromsiberia/codecrafters-shell-rust against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcfromsiberia%2Fcodecrafters-shell-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jcfromsiberia/codecrafters-shell-rust
[INFO] finished tweaking git repo https://github.com/jcfromsiberia/codecrafters-shell-rust
[INFO] tweaked toml for git repo https://github.com/jcfromsiberia/codecrafters-shell-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jcfromsiberia/codecrafters-shell-rust on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jcfromsiberia/codecrafters-shell-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded is_executable v1.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7af219fa711eb5168fb38bf522452d9faca85c1c055b8dc82c32fad614ac94dd
[INFO] running `Command { std: "docker" "start" "-a" "7af219fa711eb5168fb38bf522452d9faca85c1c055b8dc82c32fad614ac94dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7af219fa711eb5168fb38bf522452d9faca85c1c055b8dc82c32fad614ac94dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7af219fa711eb5168fb38bf522452d9faca85c1c055b8dc82c32fad614ac94dd", kill_on_drop: false }`
[INFO] [stdout] 7af219fa711eb5168fb38bf522452d9faca85c1c055b8dc82c32fad614ac94dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 185596a3dd86c60c1e323922221c5c86c798966590abb87fa39df747e41335dc
[INFO] running `Command { std: "docker" "start" "-a" "185596a3dd86c60c1e323922221c5c86c798966590abb87fa39df747e41335dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.179
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]     Checking is_executable v1.0.5
[INFO] [stderr]     Checking shlex v1.3.0
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]     Checking signal-hook-mio v0.2.5
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]     Checking derive_more v2.1.1
[INFO] [stderr]     Checking crossterm v0.29.0
[INFO] [stderr]     Checking codecrafters-shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/builtin.rs:120:28
[INFO] [stdout]     |
[INFO] [stdout] 120 |                         if !history.append_from_file(arg1).is_ok() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `history.append_from_file(arg1).is_err()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/builtin.rs:128:28
[INFO] [stdout]     |
[INFO] [stdout] 128 |                         if !history.write_to_file(arg1).is_ok() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `history.write_to_file(arg1).is_err()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/builtin.rs:136:28
[INFO] [stdout]     |
[INFO] [stdout] 136 |                         if !history.append_to_file(arg1).is_ok() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `history.append_to_file(arg1).is_err()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/builtin.rs:38:31
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 if is_builtin(&cmd.as_str()) {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^ help: change this to: `cmd.as_str()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary use of `first().is_none()` to check if slice is empty
[INFO] [stdout]    --> src/builtin.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 |             if args.first().is_none() || args.first().unwrap().parse::<usize>().is_ok() {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^ help: replace this with: `is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_first_then_check
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_first_then_check)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` can be collapsed into the outer `match`
[INFO] [stdout]    --> src/builtin.rs:120:25
[INFO] [stdout]     |
[INFO] [stdout] 120 | /                         if !history.append_from_file(arg1).is_ok() {
[INFO] [stdout] 121 | |                             let _ = stdout.write_fmt(format_args!(
[INFO] [stdout] 122 | |                                 "history: failed to read history from {arg1}"
[INFO] [stdout] 123 | |                             ));
[INFO] [stdout] 124 | |                         }
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_match)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 119 ~                     "-r"
[INFO] [stdout] 120 ~                         if !history.append_from_file(arg1).is_ok() => {
[INFO] [stdout] 121 |                             let _ = stdout.write_fmt(format_args!(
[INFO] [stdout] 122 |                                 "history: failed to read history from {arg1}"
[INFO] [stdout] 123 |                             ));
[INFO] [stdout] 124 ~                         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` can be collapsed into the outer `match`
[INFO] [stdout]    --> src/builtin.rs:128:25
[INFO] [stdout]     |
[INFO] [stdout] 128 | /                         if !history.write_to_file(arg1).is_ok() {
[INFO] [stdout] 129 | |                             let _ = stdout.write_fmt(format_args!(
[INFO] [stdout] 130 | |                                 "history: failed to write history to {arg1}"
[INFO] [stdout] 131 | |                             ));
[INFO] [stdout] 132 | |                         }
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 127 ~                     "-w"
[INFO] [stdout] 128 ~                         if !history.write_to_file(arg1).is_ok() => {
[INFO] [stdout] 129 |                             let _ = stdout.write_fmt(format_args!(
[INFO] [stdout] 130 |                                 "history: failed to write history to {arg1}"
[INFO] [stdout] 131 |                             ));
[INFO] [stdout] 132 ~                         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` can be collapsed into the outer `match`
[INFO] [stdout]    --> src/builtin.rs:136:25
[INFO] [stdout]     |
[INFO] [stdout] 136 | /                         if !history.append_to_file(arg1).is_ok() {
[INFO] [stdout] 137 | |                             let _ = stdout.write_fmt(format_args!(
[INFO] [stdout] 138 | |                                 "history: failed to append history to {arg1}"
[INFO] [stdout] 139 | |                             ));
[INFO] [stdout] 140 | |                         }
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 135 ~                     "-a"
[INFO] [stdout] 136 ~                         if !history.append_to_file(arg1).is_ok() => {
[INFO] [stdout] 137 |                             let _ = stdout.write_fmt(format_args!(
[INFO] [stdout] 138 |                                 "history: failed to append history to {arg1}"
[INFO] [stdout] 139 |                             ));
[INFO] [stdout] 140 ~                         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/command.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |     context_chain: &Vec<EvalContext>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 24 -     context_chain: &Vec<EvalContext>,
[INFO] [stdout] 24 +     context_chain: &[EvalContext],
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/command.rs:37:44
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 let _ = create_output_file(&file_name, context.append_stderr)?;
[INFO] [stdout]    |                                            ^^^^^^^^^^ help: change this to: `file_name`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/command.rs:41:47
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 let file = create_output_file(&file_name, context.append_stdout)?;
[INFO] [stdout]    |                                               ^^^^^^^^^^ help: change this to: `file_name`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/command.rs:42:30
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 eval_builtin(&context, file, history)
[INFO] [stdout]    |                              ^^^^^^^^ help: change this to: `context`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/command.rs:45:34
[INFO] [stdout]    |
[INFO] [stdout] 45 |                     eval_builtin(&context, &std::io::stdout(), history)
[INFO] [stdout]    |                                  ^^^^^^^^ help: change this to: `context`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/command.rs:48:47
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     let result = eval_builtin(&context, writer, history);
[INFO] [stdout]    |                                               ^^^^^^^^ help: change this to: `context`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/command.rs:72:43
[INFO] [stdout]    |
[INFO] [stdout] 72 |             let file = create_output_file(&file_name, context.append_stdout)?;
[INFO] [stdout]    |                                           ^^^^^^^^^^ help: change this to: `file_name`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/command.rs:85:43
[INFO] [stdout]    |
[INFO] [stdout] 85 |             let file = create_output_file(&file_name, context.append_stderr)?;
[INFO] [stdout]    |                                           ^^^^^^^^^^ help: change this to: `file_name`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary use of `.write(true)` because there is `.append(true)`
[INFO] [stdout]   --> src/history.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |             .write(true)
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: remove `.write(true)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ineffective_open_options
[INFO] [stdout]    = note: `#[warn(clippy::ineffective_open_options)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |         if !history.append_from_file(histfile.to_str().unwrap()).is_ok() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `history.append_from_file(histfile.to_str().unwrap()).is_err()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/main.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 |         if !history.append_to_file(histfile.to_str().unwrap()).is_ok() {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `history.append_to_file(histfile.to_str().unwrap()).is_err()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     if let Some(histfile) = std::env::var_os("HISTFILE") {
[INFO] [stdout] 23 | |         if !history.append_from_file(histfile.to_str().unwrap()).is_ok() {
[INFO] [stdout] 24 | |             eprintln!("Failed to read history file {}", histfile.to_str().unwrap());
[INFO] [stdout] 25 | |         }
[INFO] [stdout] 26 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]    = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 22 ~     if let Some(histfile) = std::env::var_os("HISTFILE")
[INFO] [stdout] 23 ~         && !history.append_from_file(histfile.to_str().unwrap()).is_ok() {
[INFO] [stdout] 24 |             eprintln!("Failed to read history file {}", histfile.to_str().unwrap());
[INFO] [stdout] 25 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` can be collapsed into the outer `match`
[INFO] [stdout]   --> src/main.rs:59:25
[INFO] [stdout]    |
[INFO] [stdout] 59 | /                         if !input.is_empty() {
[INFO] [stdout] 60 | |                             input.pop();
[INFO] [stdout] 61 | |                             // erase last char in raw mode
[INFO] [stdout] 62 | |                             print!("\x08 \x08");
[INFO] [stdout] 63 | |                         }
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 58 ~                     KeyCode::Backspace
[INFO] [stdout] 59 ~                         if !input.is_empty() => {
[INFO] [stdout] 60 |                             input.pop();
[INFO] [stdout] 61 |                             // erase last char in raw mode
[INFO] [stdout] 62 |                             print!("\x08 \x08");
[INFO] [stdout] 63 ~                         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/main.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 198 | /     if let Some(histfile) = std::env::var_os("HISTFILE") {
[INFO] [stdout] 199 | |         if !history.append_to_file(histfile.to_str().unwrap()).is_ok() {
[INFO] [stdout] 200 | |             eprintln!(
[INFO] [stdout] 201 | |                 "Failed to write history file {}",
[INFO] [stdout] ...   |
[INFO] [stdout] 205 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 198 ~     if let Some(histfile) = std::env::var_os("HISTFILE")
[INFO] [stdout] 199 ~         && !history.append_to_file(histfile.to_str().unwrap()).is_ok() {
[INFO] [stdout] 200 |             eprintln!(
[INFO] [stdout] ...
[INFO] [stdout] 203 |             );
[INFO] [stdout] 204 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/main.rs:210:34
[INFO] [stdout]     |
[INFO] [stdout] 210 | fn longest_common_prefix(tokens: &Vec<String>) -> String {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 210 - fn longest_common_prefix(tokens: &Vec<String>) -> String {
[INFO] [stdout] 210 + fn longest_common_prefix(tokens: &[String]) -> String {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/builtin.rs:120:28
[INFO] [stdout]     |
[INFO] [stdout] 120 |                         if !history.append_from_file(arg1).is_ok() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `history.append_from_file(arg1).is_err()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/builtin.rs:128:28
[INFO] [stdout]     |
[INFO] [stdout] 128 |                         if !history.write_to_file(arg1).is_ok() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `history.write_to_file(arg1).is_err()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/builtin.rs:136:28
[INFO] [stdout]     |
[INFO] [stdout] 136 |                         if !history.append_to_file(arg1).is_ok() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `history.append_to_file(arg1).is_err()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/builtin.rs:38:31
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 if is_builtin(&cmd.as_str()) {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^ help: change this to: `cmd.as_str()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary use of `first().is_none()` to check if slice is empty
[INFO] [stdout]    --> src/builtin.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 |             if args.first().is_none() || args.first().unwrap().parse::<usize>().is_ok() {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^ help: replace this with: `is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_first_then_check
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_first_then_check)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` can be collapsed into the outer `match`
[INFO] [stdout]    --> src/builtin.rs:120:25
[INFO] [stdout]     |
[INFO] [stdout] 120 | /                         if !history.append_from_file(arg1).is_ok() {
[INFO] [stdout] 121 | |                             let _ = stdout.write_fmt(format_args!(
[INFO] [stdout] 122 | |                                 "history: failed to read history from {arg1}"
[INFO] [stdout] 123 | |                             ));
[INFO] [stdout] 124 | |                         }
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_match)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 119 ~                     "-r"
[INFO] [stdout] 120 ~                         if !history.append_from_file(arg1).is_ok() => {
[INFO] [stdout] 121 |                             let _ = stdout.write_fmt(format_args!(
[INFO] [stdout] 122 |                                 "history: failed to read history from {arg1}"
[INFO] [stdout] 123 |                             ));
[INFO] [stdout] 124 ~                         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` can be collapsed into the outer `match`
[INFO] [stdout]    --> src/builtin.rs:128:25
[INFO] [stdout]     |
[INFO] [stdout] 128 | /                         if !history.write_to_file(arg1).is_ok() {
[INFO] [stdout] 129 | |                             let _ = stdout.write_fmt(format_args!(
[INFO] [stdout] 130 | |                                 "history: failed to write history to {arg1}"
[INFO] [stdout] 131 | |                             ));
[INFO] [stdout] 132 | |                         }
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 127 ~                     "-w"
[INFO] [stdout] 128 ~                         if !history.write_to_file(arg1).is_ok() => {
[INFO] [stdout] 129 |                             let _ = stdout.write_fmt(format_args!(
[INFO] [stdout] 130 |                                 "history: failed to write history to {arg1}"
[INFO] [stdout] 131 |                             ));
[INFO] [stdout] 132 ~                         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` can be collapsed into the outer `match`
[INFO] [stdout]    --> src/builtin.rs:136:25
[INFO] [stdout]     |
[INFO] [stdout] 136 | /                         if !history.append_to_file(arg1).is_ok() {
[INFO] [stdout] 137 | |                             let _ = stdout.write_fmt(format_args!(
[INFO] [stdout] 138 | |                                 "history: failed to append history to {arg1}"
[INFO] [stdout] 139 | |                             ));
[INFO] [stdout] 140 | |                         }
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 135 ~                     "-a"
[INFO] [stdout] 136 ~                         if !history.append_to_file(arg1).is_ok() => {
[INFO] [stdout] 137 |                             let _ = stdout.write_fmt(format_args!(
[INFO] [stdout] 138 |                                 "history: failed to append history to {arg1}"
[INFO] [stdout] 139 |                             ));
[INFO] [stdout] 140 ~                         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/command.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |     context_chain: &Vec<EvalContext>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 24 -     context_chain: &Vec<EvalContext>,
[INFO] [stdout] 24 +     context_chain: &[EvalContext],
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/command.rs:37:44
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 let _ = create_output_file(&file_name, context.append_stderr)?;
[INFO] [stdout]    |                                            ^^^^^^^^^^ help: change this to: `file_name`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/command.rs:41:47
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 let file = create_output_file(&file_name, context.append_stdout)?;
[INFO] [stdout]    |                                               ^^^^^^^^^^ help: change this to: `file_name`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/command.rs:42:30
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 eval_builtin(&context, file, history)
[INFO] [stdout]    |                              ^^^^^^^^ help: change this to: `context`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/command.rs:45:34
[INFO] [stdout]    |
[INFO] [stdout] 45 |                     eval_builtin(&context, &std::io::stdout(), history)
[INFO] [stdout]    |                                  ^^^^^^^^ help: change this to: `context`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/command.rs:48:47
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     let result = eval_builtin(&context, writer, history);
[INFO] [stdout]    |                                               ^^^^^^^^ help: change this to: `context`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/command.rs:72:43
[INFO] [stdout]    |
[INFO] [stdout] 72 |             let file = create_output_file(&file_name, context.append_stdout)?;
[INFO] [stdout]    |                                           ^^^^^^^^^^ help: change this to: `file_name`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/command.rs:85:43
[INFO] [stdout]    |
[INFO] [stdout] 85 |             let file = create_output_file(&file_name, context.append_stderr)?;
[INFO] [stdout]    |                                           ^^^^^^^^^^ help: change this to: `file_name`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary use of `.write(true)` because there is `.append(true)`
[INFO] [stdout]   --> src/history.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |             .write(true)
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: remove `.write(true)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ineffective_open_options
[INFO] [stdout]    = note: `#[warn(clippy::ineffective_open_options)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |         if !history.append_from_file(histfile.to_str().unwrap()).is_ok() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `history.append_from_file(histfile.to_str().unwrap()).is_err()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/main.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 |         if !history.append_to_file(histfile.to_str().unwrap()).is_ok() {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `history.append_to_file(histfile.to_str().unwrap()).is_err()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     if let Some(histfile) = std::env::var_os("HISTFILE") {
[INFO] [stdout] 23 | |         if !history.append_from_file(histfile.to_str().unwrap()).is_ok() {
[INFO] [stdout] 24 | |             eprintln!("Failed to read history file {}", histfile.to_str().unwrap());
[INFO] [stdout] 25 | |         }
[INFO] [stdout] 26 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]    = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 22 ~     if let Some(histfile) = std::env::var_os("HISTFILE")
[INFO] [stdout] 23 ~         && !history.append_from_file(histfile.to_str().unwrap()).is_ok() {
[INFO] [stdout] 24 |             eprintln!("Failed to read history file {}", histfile.to_str().unwrap());
[INFO] [stdout] 25 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` can be collapsed into the outer `match`
[INFO] [stdout]   --> src/main.rs:59:25
[INFO] [stdout]    |
[INFO] [stdout] 59 | /                         if !input.is_empty() {
[INFO] [stdout] 60 | |                             input.pop();
[INFO] [stdout] 61 | |                             // erase last char in raw mode
[INFO] [stdout] 62 | |                             print!("\x08 \x08");
[INFO] [stdout] 63 | |                         }
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 58 ~                     KeyCode::Backspace
[INFO] [stdout] 59 ~                         if !input.is_empty() => {
[INFO] [stdout] 60 |                             input.pop();
[INFO] [stdout] 61 |                             // erase last char in raw mode
[INFO] [stdout] 62 |                             print!("\x08 \x08");
[INFO] [stdout] 63 ~                         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/main.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 198 | /     if let Some(histfile) = std::env::var_os("HISTFILE") {
[INFO] [stdout] 199 | |         if !history.append_to_file(histfile.to_str().unwrap()).is_ok() {
[INFO] [stdout] 200 | |             eprintln!(
[INFO] [stdout] 201 | |                 "Failed to write history file {}",
[INFO] [stdout] ...   |
[INFO] [stdout] 205 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 198 ~     if let Some(histfile) = std::env::var_os("HISTFILE")
[INFO] [stdout] 199 ~         && !history.append_to_file(histfile.to_str().unwrap()).is_ok() {
[INFO] [stdout] 200 |             eprintln!(
[INFO] [stdout] ...
[INFO] [stdout] 203 |             );
[INFO] [stdout] 204 ~         }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/main.rs:210:34
[INFO] [stdout]     |
[INFO] [stdout] 210 | fn longest_common_prefix(tokens: &Vec<String>) -> String {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 210 - fn longest_common_prefix(tokens: &Vec<String>) -> String {
[INFO] [stdout] 210 + fn longest_common_prefix(tokens: &[String]) -> String {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.08s
[INFO] running `Command { std: "docker" "inspect" "185596a3dd86c60c1e323922221c5c86c798966590abb87fa39df747e41335dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "185596a3dd86c60c1e323922221c5c86c798966590abb87fa39df747e41335dc", kill_on_drop: false }`
[INFO] [stdout] 185596a3dd86c60c1e323922221c5c86c798966590abb87fa39df747e41335dc