[INFO] cloning repository https://github.com/stephaneArtist/Rust_ESGI
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stephaneArtist/Rust_ESGI" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FstephaneArtist%2FRust_ESGI", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FstephaneArtist%2FRust_ESGI'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23392c47bf9dc4215d84eb36238e52ba9961832e
[INFO] testing stephaneArtist/Rust_ESGI against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FstephaneArtist%2FRust_ESGI" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/stephaneArtist/Rust_ESGI
[INFO] finished tweaking git repo https://github.com/stephaneArtist/Rust_ESGI
[INFO] tweaked toml for git repo https://github.com/stephaneArtist/Rust_ESGI written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/stephaneArtist/Rust_ESGI on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/stephaneArtist/Rust_ESGI 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a87463c0f2ef872e3cd6db18c5fe328fb9db3536e9a34b31183038dd7c8d154a
[INFO] running `Command { std: "docker" "start" "-a" "a87463c0f2ef872e3cd6db18c5fe328fb9db3536e9a34b31183038dd7c8d154a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a87463c0f2ef872e3cd6db18c5fe328fb9db3536e9a34b31183038dd7c8d154a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a87463c0f2ef872e3cd6db18c5fe328fb9db3536e9a34b31183038dd7c8d154a", kill_on_drop: false }`
[INFO] [stdout] a87463c0f2ef872e3cd6db18c5fe328fb9db3536e9a34b31183038dd7c8d154a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b7d3f9fc724a4173a8008c934bffa107157a06407dcc4df92c20f9a79a59536
[INFO] running `Command { std: "docker" "start" "-a" "9b7d3f9fc724a4173a8008c934bffa107157a06407dcc4df92c20f9a79a59536", kill_on_drop: false }`
[INFO] [stderr]    Compiling micro-shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::utils`
[INFO] [stdout]  --> src/command.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::utils;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Child` and `Stdio`
[INFO] [stdout]  --> src/sub_command.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::{Child, Command, Stdio};
[INFO] [stdout]   |                    ^^^^^           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     loop {
[INFO] [stdout] 15 | |         utils::read_line("> ", &mut user_input);
[INFO] [stdout] 16 | |         let command_input = user_input.trim();
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 39 |
[INFO] [stdout] 40 |       Ok(()) 
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_command`
[INFO] [stdout]   --> src/command.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut sub_command = SubCommand::new();
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_command`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/command.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(input: &str) -> Result<ShellCommand, String> {
[INFO] [stdout]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/command.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let mut self_ = ShellCommand {
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/command.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut sub_command = SubCommand::new();
[INFO] [stdout]    |             ----^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdin`
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let stdin = io::stdin(); 
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_command`
[INFO] [stdout]   --> src/main.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 let mut sub_command = match shell_command.sub_commands.pop_back() {
[INFO] [stdout]    |                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 let mut sub_command = match shell_command.sub_commands.pop_back() {
[INFO] [stdout]    |                     ----^^^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "9b7d3f9fc724a4173a8008c934bffa107157a06407dcc4df92c20f9a79a59536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b7d3f9fc724a4173a8008c934bffa107157a06407dcc4df92c20f9a79a59536", kill_on_drop: false }`
[INFO] [stdout] 9b7d3f9fc724a4173a8008c934bffa107157a06407dcc4df92c20f9a79a59536
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5d7eed02320447e89a66d799ba419a927387d0d27fb11b94571ece430d0896b
[INFO] running `Command { std: "docker" "start" "-a" "a5d7eed02320447e89a66d799ba419a927387d0d27fb11b94571ece430d0896b", kill_on_drop: false }`
[INFO] [stderr]    Compiling micro-shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::utils`
[INFO] [stdout]  --> src/command.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::utils;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Child` and `Stdio`
[INFO] [stdout]  --> src/sub_command.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::{Child, Command, Stdio};
[INFO] [stdout]   |                    ^^^^^           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     loop {
[INFO] [stdout] 15 | |         utils::read_line("> ", &mut user_input);
[INFO] [stdout] 16 | |         let command_input = user_input.trim();
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 39 |
[INFO] [stdout] 40 |       Ok(()) 
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_command`
[INFO] [stdout]   --> src/command.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut sub_command = SubCommand::new();
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_command`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/command.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(input: &str) -> Result<ShellCommand, String> {
[INFO] [stdout]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/command.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let mut self_ = ShellCommand {
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/command.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut sub_command = SubCommand::new();
[INFO] [stdout]    |             ----^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdin`
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let stdin = io::stdin(); 
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_command`
[INFO] [stdout]   --> src/main.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 let mut sub_command = match shell_command.sub_commands.pop_back() {
[INFO] [stdout]    |                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 let mut sub_command = match shell_command.sub_commands.pop_back() {
[INFO] [stdout]    |                     ----^^^^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "a5d7eed02320447e89a66d799ba419a927387d0d27fb11b94571ece430d0896b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d7eed02320447e89a66d799ba419a927387d0d27fb11b94571ece430d0896b", kill_on_drop: false }`
[INFO] [stdout] a5d7eed02320447e89a66d799ba419a927387d0d27fb11b94571ece430d0896b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 06f2196efc1ccd856942086901f8b62b18042762686089a225bc2422e7eece0b
[INFO] running `Command { std: "docker" "start" "-a" "06f2196efc1ccd856942086901f8b62b18042762686089a225bc2422e7eece0b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::utils`
[INFO] [stderr]  --> src/command.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::utils;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Child` and `Stdio`
[INFO] [stderr]  --> src/sub_command.rs:1:20
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::process::{Child, Command, Stdio};
[INFO] [stderr]   |                    ^^^^^           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | /     loop {
[INFO] [stderr] 15 | |         utils::read_line("> ", &mut user_input);
[INFO] [stderr] 16 | |         let command_input = user_input.trim();
[INFO] [stderr] ...  |
[INFO] [stderr] 38 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 39 |
[INFO] [stderr] 40 |       Ok(()) 
[INFO] [stderr]    |       ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sub_command`
[INFO] [stderr]   --> src/command.rs:16:17
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let mut sub_command = SubCommand::new();
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_command`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/command.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(input: &str) -> Result<ShellCommand, String> {
[INFO] [stderr]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/command.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let mut self_ = ShellCommand {
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/command.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let mut sub_command = SubCommand::new();
[INFO] [stderr]    |             ----^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stdin`
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let stdin = io::stdin(); 
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sub_command`
[INFO] [stderr]   --> src/main.rs:28:25
[INFO] [stderr]    |
[INFO] [stderr] 28 |                 let mut sub_command = match shell_command.sub_commands.pop_back() {
[INFO] [stderr]    |                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_command`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:28:21
[INFO] [stderr]    |
[INFO] [stderr] 28 |                 let mut sub_command = match shell_command.sub_commands.pop_back() {
[INFO] [stderr]    |                     ----^^^^^^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `micro-shell` (bin "micro-shell" test) generated 10 warnings (run `cargo fix --bin "micro-shell" --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/micro_shell-a9f68116fba8bc7f)
[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" "06f2196efc1ccd856942086901f8b62b18042762686089a225bc2422e7eece0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06f2196efc1ccd856942086901f8b62b18042762686089a225bc2422e7eece0b", kill_on_drop: false }`
[INFO] [stdout] 06f2196efc1ccd856942086901f8b62b18042762686089a225bc2422e7eece0b