[INFO] updating cached repository https://github.com/1000VICKY/ishell_in_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] [stderr] From https://github.com/1000VICKY/ishell_in_Rust
[INFO] [stderr]    a30e75c..27628bf  master     -> master
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27628bfd723060b29a8397dc7b47ead1da882ec1
[INFO] checking 1000VICKY/ishell_in_Rust against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1000VICKY%2Fishell_in_Rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/1000VICKY/ishell_in_Rust on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/1000VICKY/ishell_in_Rust
[INFO] finished tweaking git repo https://github.com/1000VICKY/ishell_in_Rust
[INFO] tweaked toml for git repo https://github.com/1000VICKY/ishell_in_Rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/1000VICKY/ishell_in_Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e21439edfe76c9609e8390e6ddb002556b7f1c22ab12d9ca6ff66f7f7c965df
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4e21439edfe76c9609e8390e6ddb002556b7f1c22ab12d9ca6ff66f7f7c965df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e21439edfe76c9609e8390e6ddb002556b7f1c22ab12d9ca6ff66f7f7c965df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e21439edfe76c9609e8390e6ddb002556b7f1c22ab12d9ca6ff66f7f7c965df", kill_on_drop: false }`
[INFO] [stdout] 4e21439edfe76c9609e8390e6ddb002556b7f1c22ab12d9ca6ff66f7f7c965df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8e838d748c4a53c8732cbdbc3d7d5e61701b121f336c94d52bab30d1e74a6cd5
[INFO] running `Command { std: "docker" "start" "-a" "8e838d748c4a53c8732cbdbc3d7d5e61701b121f336c94d52bab30d1e74a6cd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking cty v0.2.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking printf-rs v0.1.1
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking cstr_core v0.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling printf v0.1.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking ctrlc v3.1.4
[INFO] [stderr]     Checking rust_ishell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Output`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Output,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CStr`, `CString`
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     CString,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 34 |     CStr
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `c_int`, `c_void`
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     c_int,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 39 |     c_void
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `printf::printf`
[INFO] [stdout]  --> src/echo.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use printf::printf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/echo.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |         if (to_print.is_ok() == true) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/echo.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 |         if (temporary_u == 10) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]    --> src/main.rs:174:5
[INFO] [stdout]     |
[INFO] [stdout] 174 |     while true
[INFO] [stdout]     |     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 184 |         if (EXIT_STRING.to_string() == input) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:187:19
[INFO] [stdout]     |
[INFO] [stdout] 187 |         } else if (CLEAR_STRING.to_string() == input ) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:195:16
[INFO] [stdout]     |
[INFO] [stdout] 195 |             if (response.is_ok() != true) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:200:19
[INFO] [stdout]     |
[INFO] [stdout] 200 |         } else if (DEL_STRING.to_string() == input) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:202:16
[INFO] [stdout]     |
[INFO] [stdout] 202 |             if (remove_target_file(&validate_file_path) != true)  {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:206:16
[INFO] [stdout]     |
[INFO] [stdout] 206 |             if (remove_target_file(&validate_file_path) != true)  {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 225 |         if (input.len() == 0) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:287:12
[INFO] [stdout]     |
[INFO] [stdout] 287 |         if (written_bytes.is_ok() != true) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:302:16
[INFO] [stdout]     |
[INFO] [stdout] 302 |             if (inner_value == 0 ) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:306:16
[INFO] [stdout]     |
[INFO] [stdout] 306 |             if (previous_newline_count <= current_newline_count) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:314:16
[INFO] [stdout]     |
[INFO] [stdout] 314 |             if (inner_value == 10) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:353:8
[INFO] [stdout]     |
[INFO] [stdout] 353 |     if (new_file.is_ok() != true) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:370:8
[INFO] [stdout]     |
[INFO] [stdout] 370 |     if (target_path.exists() != true) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:383:12
[INFO] [stdout]     |
[INFO] [stdout] 383 |         if (needle == *value) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `return` value
[INFO] [stdout]    --> src/main.rs:384:20
[INFO] [stdout]     |
[INFO] [stdout] 384 |             return (index as i32);
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:394:8
[INFO] [stdout]     |
[INFO] [stdout] 394 |     if (newline_string.len() == 0) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:402:16
[INFO] [stdout]     |
[INFO] [stdout] 402 |             if (_bytes[_bytes.len() -1] == 10) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:405:16
[INFO] [stdout]     |
[INFO] [stdout] 405 |             if (_bytes[_bytes.len() - 1] == 13) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:414:12
[INFO] [stdout]     |
[INFO] [stdout] 414 |         if (response.is_ok() == true) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Output`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Output,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CStr`, `CString`
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     CString,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 34 |     CStr
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `c_int`, `c_void`
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     c_int,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 39 |     c_void
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `printf::printf`
[INFO] [stdout]  --> src/echo.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use printf::printf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/echo.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |         if (to_print.is_ok() == true) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/echo.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 |         if (temporary_u == 10) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]    --> src/main.rs:174:5
[INFO] [stdout]     |
[INFO] [stdout] 174 |     while true
[INFO] [stdout]     |     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 184 |         if (EXIT_STRING.to_string() == input) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:187:19
[INFO] [stdout]     |
[INFO] [stdout] 187 |         } else if (CLEAR_STRING.to_string() == input ) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:195:16
[INFO] [stdout]     |
[INFO] [stdout] 195 |             if (response.is_ok() != true) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:200:19
[INFO] [stdout]     |
[INFO] [stdout] 200 |         } else if (DEL_STRING.to_string() == input) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:202:16
[INFO] [stdout]     |
[INFO] [stdout] 202 |             if (remove_target_file(&validate_file_path) != true)  {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:206:16
[INFO] [stdout]     |
[INFO] [stdout] 206 |             if (remove_target_file(&validate_file_path) != true)  {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 225 |         if (input.len() == 0) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:287:12
[INFO] [stdout]     |
[INFO] [stdout] 287 |         if (written_bytes.is_ok() != true) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:302:16
[INFO] [stdout]     |
[INFO] [stdout] 302 |             if (inner_value == 0 ) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:306:16
[INFO] [stdout]     |
[INFO] [stdout] 306 |             if (previous_newline_count <= current_newline_count) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:314:16
[INFO] [stdout]     |
[INFO] [stdout] 314 |             if (inner_value == 10) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:353:8
[INFO] [stdout]     |
[INFO] [stdout] 353 |     if (new_file.is_ok() != true) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:370:8
[INFO] [stdout]     |
[INFO] [stdout] 370 |     if (target_path.exists() != true) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:383:12
[INFO] [stdout]     |
[INFO] [stdout] 383 |         if (needle == *value) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `return` value
[INFO] [stdout]    --> src/main.rs:384:20
[INFO] [stdout]     |
[INFO] [stdout] 384 |             return (index as i32);
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:394:8
[INFO] [stdout]     |
[INFO] [stdout] 394 |     if (newline_string.len() == 0) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:402:16
[INFO] [stdout]     |
[INFO] [stdout] 402 |             if (_bytes[_bytes.len() -1] == 10) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:405:16
[INFO] [stdout]     |
[INFO] [stdout] 405 |             if (_bytes[_bytes.len() - 1] == 13) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:414:12
[INFO] [stdout]     |
[INFO] [stdout] 414 |         if (response.is_ok() == true) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `execute_file` is never read
[INFO] [stdout]    --> src/main.rs:153:9
[INFO] [stdout]     |
[INFO] [stdout] 153 |     let mut execute_file : std::fs::File = create_new_file( &execute_file_path);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `written_bytes` is never read
[INFO] [stdout]    --> src/main.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |         written_bytes = validate_file.write_all(temp_file.as_bytes());
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_length`
[INFO] [stdout]   --> src/echo.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let target_length : usize = target.len();
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_length`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/echo.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |     let input : String;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `execute_file` is never read
[INFO] [stdout]    --> src/main.rs:153:9
[INFO] [stdout]     |
[INFO] [stdout] 153 |     let mut execute_file : std::fs::File = create_new_file( &execute_file_path);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `written_bytes` is never read
[INFO] [stdout]    --> src/main.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |         written_bytes = validate_file.write_all(temp_file.as_bytes());
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_length`
[INFO] [stdout]   --> src/echo.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let target_length : usize = target.len();
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_length`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/echo.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |     let input : String;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `echo`
[INFO] [stdout]   --> src/echo.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn echo (target : &String ) -> ()
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print`
[INFO] [stdout]   --> src/echo.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn print(target: &str) -> () {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dump`
[INFO] [stdout]   --> src/echo.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn dump<T>(target: T)  -> () where T : std::fmt::Debug {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_c_string`
[INFO] [stdout]   --> src/echo.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn print_c_string(output :Vec<u8>) -> isize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `printf_c_string`
[INFO] [stdout]   --> src/echo.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn printf_c_string(output: Vec<u8>) -> isize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_file_resource`
[INFO] [stdout]   --> src/main.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn get_file_resource (path: &String) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `putchar`
[INFO] [stdout]   --> src/main.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn putchar(s: c_char);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `printf` redeclared with a different signature
[INFO] [stdout]   --> src/echo.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |             fn printf(format: *const c_char, args: *mut c_char) -> c_int;
[INFO] [stdout]    |             ------------------------------------------------------------- `printf` previously declared here
[INFO] [stdout] ...
[INFO] [stdout] 95 |             fn printf(format: *const c_char, args: c_char) -> c_int;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stdout]    = note: expected `unsafe extern "C" fn(*const i8, *mut i8) -> i32`
[INFO] [stdout]               found `unsafe extern "C" fn(*const i8, i8) -> i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `printf` redeclared with a different signature
[INFO] [stdout]    --> src/echo.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 62  |             fn printf(format: *const c_char, args: *mut c_char) -> c_int;
[INFO] [stdout]     |             ------------------------------------------------------------- `printf` previously declared here
[INFO] [stdout] ...
[INFO] [stdout] 130 |             fn printf(format: *const c_char, args: *mut c_void) -> c_int;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(*const i8, *mut i8) -> i32`
[INFO] [stdout]                found `unsafe extern "C" fn(*const i8, *mut std::ffi::c_void) -> i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 155 |     validate_file.write_all(initialize_input.as_bytes());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `echo`
[INFO] [stdout]   --> src/echo.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn echo (target : &String ) -> ()
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print`
[INFO] [stdout]   --> src/echo.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn print(target: &str) -> () {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dump`
[INFO] [stdout]   --> src/echo.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn dump<T>(target: T)  -> () where T : std::fmt::Debug {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_c_string`
[INFO] [stdout]   --> src/echo.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn print_c_string(output :Vec<u8>) -> isize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 40 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `printf_c_string`
[INFO] [stdout]   --> src/echo.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn printf_c_string(output: Vec<u8>) -> isize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_file_resource`
[INFO] [stdout]   --> src/main.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn get_file_resource (path: &String) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `putchar`
[INFO] [stdout]   --> src/main.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn putchar(s: c_char);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `printf` redeclared with a different signature
[INFO] [stdout]   --> src/echo.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |             fn printf(format: *const c_char, args: *mut c_char) -> c_int;
[INFO] [stdout]    |             ------------------------------------------------------------- `printf` previously declared here
[INFO] [stdout] ...
[INFO] [stdout] 95 |             fn printf(format: *const c_char, args: c_char) -> c_int;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stdout]    = note: expected `unsafe extern "C" fn(*const i8, *mut i8) -> i32`
[INFO] [stdout]               found `unsafe extern "C" fn(*const i8, i8) -> i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `printf` redeclared with a different signature
[INFO] [stdout]    --> src/echo.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 62  |             fn printf(format: *const c_char, args: *mut c_char) -> c_int;
[INFO] [stdout]     |             ------------------------------------------------------------- `printf` previously declared here
[INFO] [stdout] ...
[INFO] [stdout] 130 |             fn printf(format: *const c_char, args: *mut c_void) -> c_int;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(*const i8, *mut i8) -> i32`
[INFO] [stdout]                found `unsafe extern "C" fn(*const i8, *mut std::ffi::c_void) -> i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 155 |     validate_file.write_all(initialize_input.as_bytes());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 40 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.75s
[INFO] running `Command { std: "docker" "inspect" "8e838d748c4a53c8732cbdbc3d7d5e61701b121f336c94d52bab30d1e74a6cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e838d748c4a53c8732cbdbc3d7d5e61701b121f336c94d52bab30d1e74a6cd5", kill_on_drop: false }`
[INFO] [stdout] 8e838d748c4a53c8732cbdbc3d7d5e61701b121f336c94d52bab30d1e74a6cd5