[INFO] updating cached repository https://github.com/ulyssesBML/affinity-PBFVMC
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1ded9924719db967009574da1d0d1c27db3da6c4
[INFO] checking ulyssesBML/affinity-PBFVMC against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FulyssesBML%2Faffinity-PBFVMC" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ulyssesBML/affinity-PBFVMC on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ulyssesBML/affinity-PBFVMC
[INFO] finished tweaking git repo https://github.com/ulyssesBML/affinity-PBFVMC
[INFO] tweaked toml for git repo https://github.com/ulyssesBML/affinity-PBFVMC written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ulyssesBML/affinity-PBFVMC already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d10d273eec5762a7cbc057ba8f6f2911334bf7c7a71e363e647d6a6577393db3
[INFO] running `"docker" "start" "-a" "d10d273eec5762a7cbc057ba8f6f2911334bf7c7a71e363e647d6a6577393db3"`
[INFO] [stderr]     Checking pb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/bin/show_result.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{self, Read};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/show_result.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let mut proc_string = cap[2].to_string();
[INFO] [stderr]    |             ----^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/show_result.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let mut ram_string = cap[3].to_string();
[INFO] [stderr]    |             ----^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/show_result.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let mut classe_string = cap[4].to_string();
[INFO] [stderr]    |             ----^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/show_result.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let mut pro = proc_string.trim().parse().unwrap_or(0);
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/show_result.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let mut ram = ram_string.trim().parse().unwrap_or(0);
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/show_result.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut m_type = classe_string.trim().parse().unwrap_or(0);
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/show_result.rs:103:20
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let (cabecalho,mut hw_list,mut vm_list) = get_data(file1);
[INFO] [stderr]     |                    ----^^^^^^^
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/show_result.rs:103:32
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let (cabecalho,mut hw_list,mut vm_list) = get_data(file1);
[INFO] [stderr]     |                                ----^^^^^^^
[INFO] [stderr]     |                                |
[INFO] [stderr]     |                                help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `k`
[INFO] [stderr]   --> src/bin/show_result.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     k: i32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/bin/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/bin/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/bin/show_result.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{self, Read};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/bin/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/bin/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/show_result.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let mut proc_string = cap[2].to_string();
[INFO] [stderr]    |             ----^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/show_result.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let mut ram_string = cap[3].to_string();
[INFO] [stderr]    |             ----^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/show_result.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let mut classe_string = cap[4].to_string();
[INFO] [stderr]    |             ----^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/show_result.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let mut pro = proc_string.trim().parse().unwrap_or(0);
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/show_result.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let mut ram = ram_string.trim().parse().unwrap_or(0);
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/show_result.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut m_type = classe_string.trim().parse().unwrap_or(0);
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/show_result.rs:103:20
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let (cabecalho,mut hw_list,mut vm_list) = get_data(file1);
[INFO] [stderr]     |                    ----^^^^^^^
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/show_result.rs:103:32
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let (cabecalho,mut hw_list,mut vm_list) = get_data(file1);
[INFO] [stderr]     |                                ----^^^^^^^
[INFO] [stderr]     |                                |
[INFO] [stderr]     |                                help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `k`
[INFO] [stderr]   --> src/bin/show_result.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     k: i32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/bin/main.rs:21:14
[INFO] [stderr]    |
[INFO] [stderr] 21 |  fn get_data(file: &str) -> (Cabecalho, Vec <Machine>, Vec <Machine>){
[INFO] [stderr]    |              ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/bin/main.rs:98:13
[INFO] [stderr]    |
[INFO] [stderr] 98 |     for (_i,x) in hw.iter().enumerate() {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/bin/main.rs:21:14
[INFO] [stderr]    |
[INFO] [stderr] 21 |  fn get_data(file: &str) -> (Cabecalho, Vec <Machine>, Vec <Machine>){
[INFO] [stderr]    |              ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/bin/main.rs:132:12
[INFO] [stderr]     |
[INFO] [stderr] 132 |     for (j,v) in vm.iter().enumerate() {
[INFO] [stderr]     |            ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/bin/main.rs:98:13
[INFO] [stderr]    |
[INFO] [stderr] 98 |     for (_i,x) in hw.iter().enumerate() {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]    --> src/bin/main.rs:133:16
[INFO] [stderr]     |
[INFO] [stderr] 133 |         for (i,h) in hw.iter().enumerate(){
[INFO] [stderr]     |                ^ help: consider prefixing with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/bin/main.rs:132:12
[INFO] [stderr]     |
[INFO] [stderr] 132 |     for (j,v) in vm.iter().enumerate() {
[INFO] [stderr]     |            ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/bin/main.rs:142:12
[INFO] [stderr]     |
[INFO] [stderr] 142 |     for (j,v) in vm.iter().enumerate() {
[INFO] [stderr]     |            ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]    --> src/bin/main.rs:133:16
[INFO] [stderr]     |
[INFO] [stderr] 133 |         for (i,h) in hw.iter().enumerate(){
[INFO] [stderr]     |                ^ help: consider prefixing with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]    --> src/bin/main.rs:143:16
[INFO] [stderr]     |
[INFO] [stderr] 143 |         for (i,h) in hw.iter().enumerate(){
[INFO] [stderr]     |                ^ help: consider prefixing with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/bin/main.rs:142:12
[INFO] [stderr]     |
[INFO] [stderr] 142 |     for (j,v) in vm.iter().enumerate() {
[INFO] [stderr]     |            ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hw`
[INFO] [stderr]    --> src/bin/main.rs:157:12
[INFO] [stderr]     |
[INFO] [stderr] 157 |     for (i,hw) in hw_list.iter().enumerate(){
[INFO] [stderr]     |            ^^ help: consider prefixing with an underscore: `_hw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]    --> src/bin/main.rs:143:16
[INFO] [stderr]     |
[INFO] [stderr] 143 |         for (i,h) in hw.iter().enumerate(){
[INFO] [stderr]     |                ^ help: consider prefixing with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hw`
[INFO] [stderr]    --> src/bin/main.rs:186:12
[INFO] [stderr]     |
[INFO] [stderr] 186 |     for (i,hw) in hw_list.iter().enumerate(){
[INFO] [stderr]     |            ^^ help: consider prefixing with an underscore: `_hw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hw`
[INFO] [stderr]    --> src/bin/main.rs:157:12
[INFO] [stderr]     |
[INFO] [stderr] 157 |     for (i,hw) in hw_list.iter().enumerate(){
[INFO] [stderr]     |            ^^ help: consider prefixing with an underscore: `_hw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hw`
[INFO] [stderr]    --> src/bin/main.rs:186:12
[INFO] [stderr]     |
[INFO] [stderr] 186 |     for (i,hw) in hw_list.iter().enumerate(){
[INFO] [stderr]     |            ^^ help: consider prefixing with an underscore: `_hw`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let mut proc_string = cap[2].to_string();
[INFO] [stderr]    |             ----^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/main.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let mut ram_string = cap[3].to_string();
[INFO] [stderr]    |             ----^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/main.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let mut classe_string = cap[4].to_string();
[INFO] [stderr]    |             ----^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/main.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let mut pro = proc_string.trim().parse().unwrap_or(0);
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/main.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let mut ram = ram_string.trim().parse().unwrap_or(0);
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/main.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let mut m_type = classe_string.trim().parse().unwrap_or(0);
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let mut proc_string = cap[2].to_string();
[INFO] [stderr]    |             ----^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/main.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let mut ram_string = cap[3].to_string();
[INFO] [stderr]    |             ----^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/main.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let mut classe_string = cap[4].to_string();
[INFO] [stderr]    |             ----^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/main.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let mut pro = proc_string.trim().parse().unwrap_or(0);
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/main.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let mut ram = ram_string.trim().parse().unwrap_or(0);
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/main.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let mut m_type = classe_string.trim().parse().unwrap_or(0);
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         io::stdin().read_to_string(&mut text);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         io::stdin().read_to_string(&mut text);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `"docker" "inspect" "d10d273eec5762a7cbc057ba8f6f2911334bf7c7a71e363e647d6a6577393db3"`
[INFO] running `"docker" "rm" "-f" "d10d273eec5762a7cbc057ba8f6f2911334bf7c7a71e363e647d6a6577393db3"`
[INFO] [stdout] d10d273eec5762a7cbc057ba8f6f2911334bf7c7a71e363e647d6a6577393db3