[INFO] cloning repository https://github.com/aymen150/micro-shell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aymen150/micro-shell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faymen150%2Fmicro-shell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faymen150%2Fmicro-shell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c74826d75fecfebc33b5ea289824657848eb9459
[INFO] checking aymen150/micro-shell against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faymen150%2Fmicro-shell" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/aymen150/micro-shell
[INFO] finished tweaking git repo https://github.com/aymen150/micro-shell
[INFO] tweaked toml for git repo https://github.com/aymen150/micro-shell written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aymen150/micro-shell on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/aymen150/micro-shell 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.regex
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79abdb28e3ce2e0e750f86c824ed443de29a97012ef4a2223e5e22ceeae3c278
[INFO] running `Command { std: "docker" "start" "-a" "79abdb28e3ce2e0e750f86c824ed443de29a97012ef4a2223e5e22ceeae3c278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79abdb28e3ce2e0e750f86c824ed443de29a97012ef4a2223e5e22ceeae3c278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79abdb28e3ce2e0e750f86c824ed443de29a97012ef4a2223e5e22ceeae3c278", kill_on_drop: false }`
[INFO] [stdout] 79abdb28e3ce2e0e750f86c824ed443de29a97012ef4a2223e5e22ceeae3c278
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38cea40ad088587ca01b4f74968733d4855a3a1aa67d4113465c440c7fc0f5c2
[INFO] running `Command { std: "docker" "start" "-a" "38cea40ad088587ca01b4f74968733d4855a3a1aa67d4113465c440c7fc0f5c2", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.regex
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking micro-shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]   --> src/main.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 | use regex::Regex;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:172:1
[INFO] [stdout]     |
[INFO] [stdout]  96 | /     loop {
[INFO] [stdout]  97 | |         let stdout = io::stdout();
[INFO] [stdout]  98 | |         let mut handle = stdout.lock();
[INFO] [stdout]  99 | |         let stdin = io::stdin();
[INFO] [stdout] ...   |
[INFO] [stdout] 171 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 172 |   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: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut function_1 = cap_1[0];
[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/main.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let mut  x: Vec<&str>=  div[1].split(" ").collect();
[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/main.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |             let mut function_2 = cap_2[0];
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `echo_child`
[INFO] [stdout]    --> src/main.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 |             let echo_child = Command::new(function_1)
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_echo_child`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sed_child`
[INFO] [stdout]    --> src/main.rs:164:17
[INFO] [stdout]     |
[INFO] [stdout] 164 |             let sed_child = Command::new(function_2)
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sed_child`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]   --> src/main.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 | use regex::Regex;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:172:1
[INFO] [stdout]     |
[INFO] [stdout]  96 | /     loop {
[INFO] [stdout]  97 | |         let stdout = io::stdout();
[INFO] [stdout]  98 | |         let mut handle = stdout.lock();
[INFO] [stdout]  99 | |         let stdin = io::stdin();
[INFO] [stdout] ...   |
[INFO] [stdout] 171 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 172 |   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: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut function_1 = cap_1[0];
[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/main.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let mut  x: Vec<&str>=  div[1].split(" ").collect();
[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/main.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |             let mut function_2 = cap_2[0];
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `echo_child`
[INFO] [stdout]    --> src/main.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 |             let echo_child = Command::new(function_1)
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_echo_child`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sed_child`
[INFO] [stdout]    --> src/main.rs:164:17
[INFO] [stdout]     |
[INFO] [stdout] 164 |             let sed_child = Command::new(function_2)
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sed_child`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "38cea40ad088587ca01b4f74968733d4855a3a1aa67d4113465c440c7fc0f5c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38cea40ad088587ca01b4f74968733d4855a3a1aa67d4113465c440c7fc0f5c2", kill_on_drop: false }`
[INFO] [stdout] 38cea40ad088587ca01b4f74968733d4855a3a1aa67d4113465c440c7fc0f5c2
