[INFO] cloning repository https://github.com/alvo254/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alvo254/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvo254%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvo254%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2935200cdd3cefaebb8f557976db255da2c13fd
[INFO] testing alvo254/learn-rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvo254%2Flearn-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alvo254/learn-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alvo254/learn-rust
[INFO] finished tweaking git repo https://github.com/alvo254/learn-rust
[INFO] tweaked toml for git repo https://github.com/alvo254/learn-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/alvo254/learn-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4cf60afc013ea5105682e0c20f1a93a50bc97c2146b40e6fe549bc1342f0ab8
[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" "b4cf60afc013ea5105682e0c20f1a93a50bc97c2146b40e6fe549bc1342f0ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4cf60afc013ea5105682e0c20f1a93a50bc97c2146b40e6fe549bc1342f0ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4cf60afc013ea5105682e0c20f1a93a50bc97c2146b40e6fe549bc1342f0ab8", kill_on_drop: false }`
[INFO] [stdout] b4cf60afc013ea5105682e0c20f1a93a50bc97c2146b40e6fe549bc1342f0ab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e43ff2469496257a6ffe01b7ab035bf3dadc9be71d43bdcae6824305025b9261
[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" "e43ff2469496257a6ffe01b7ab035bf3dadc9be71d43bdcae6824305025b9261", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusted v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `word`
[INFO] [stdout]   --> src/string.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let word = String::new();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_word`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `words`
[INFO] [stdout]   --> src/string.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let words = "Inital data".to_string();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_words`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `refer_to_nothing`
[INFO] [stdout]  --> src/dangling_reference.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let refer_to_nothing = no_dangle();
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_refer_to_nothing`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/matching.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let u = catch(Coins::Nickle);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tee`
[INFO] [stdout]   --> src/matching.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let tee = te();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_tee`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/err_ors.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let f = match f{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rice`
[INFO] [stdout]  --> src/fun.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn rice(x:i64, y:i64) -> i64
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `tree`
[INFO] [stdout]  --> src/fun.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn tree(){
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stri`
[INFO] [stdout]  --> src/string.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn stri() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `borrow`
[INFO] [stdout]  --> src/borrowing.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn borrow(){
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `change`
[INFO] [stdout]  --> src/borrowing.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn change(some_string: &mut String){
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dang`
[INFO] [stdout]  --> src/dangling_reference.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn dang(){
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `no_dangle`
[INFO] [stdout]   --> src/dangling_reference.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn no_dangle() -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `user`
[INFO] [stdout]  --> src/struct_s.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn user(){
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]   --> src/methods.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     width: u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/methods.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/methods.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     height: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/methods.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `area`
[INFO] [stdout]   --> src/methods.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn area(&self) -> u32{
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `can_hold`
[INFO] [stdout]   --> src/methods.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn can_hold(&self, new: &Rectangle) -> bool{
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `square`
[INFO] [stdout]   --> src/methods.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn square(size: u32) -> Rectangle{
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `method`
[INFO] [stdout]   --> src/methods.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn method(){
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `V4`
[INFO] [stdout]   --> src/enums.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     V4(u8,u8,u8,u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `IpAddrKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/enums.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `V6`
[INFO] [stdout]   --> src/enums.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     V6(String),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `IpAddrKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/enums.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `enums_to`
[INFO] [stdout]   --> src/enums.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn enums_to(){
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nairobi`
[INFO] [stdout]  --> src/matching.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Nairobi,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `States` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/matching.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mombasa`
[INFO] [stdout]  --> src/matching.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Mombasa,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `States` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/matching.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nyeri`
[INFO] [stdout]  --> src/matching.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Nyeri
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `States` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/matching.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dim`
[INFO] [stdout]   --> src/matching.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Dim,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Quarter`
[INFO] [stdout]   --> src/matching.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Quarter,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hashing`
[INFO] [stdout]  --> src/hashmaps.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn hashing(){
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `error`
[INFO] [stdout]   --> src/err_ors.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn error(){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_username_from_file`
[INFO] [stdout]   --> src/files.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn read_username_from_file() -> Result<String, io::Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "e43ff2469496257a6ffe01b7ab035bf3dadc9be71d43bdcae6824305025b9261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e43ff2469496257a6ffe01b7ab035bf3dadc9be71d43bdcae6824305025b9261", kill_on_drop: false }`
[INFO] [stdout] e43ff2469496257a6ffe01b7ab035bf3dadc9be71d43bdcae6824305025b9261
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--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] e1e73cd896fc605f71013e269a296ce2f41264193d21f4947042abe75c6df104
[INFO] running `Command { std: "docker" "start" "-a" "e1e73cd896fc605f71013e269a296ce2f41264193d21f4947042abe75c6df104", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusted v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `word`
[INFO] [stdout]   --> src/string.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let word = String::new();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_word`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `words`
[INFO] [stdout]   --> src/string.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let words = "Inital data".to_string();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_words`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `refer_to_nothing`
[INFO] [stdout]  --> src/dangling_reference.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let refer_to_nothing = no_dangle();
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_refer_to_nothing`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/matching.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let u = catch(Coins::Nickle);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tee`
[INFO] [stdout]   --> src/matching.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let tee = te();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_tee`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/err_ors.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let f = match f{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rice`
[INFO] [stdout]  --> src/fun.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn rice(x:i64, y:i64) -> i64
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `tree`
[INFO] [stdout]  --> src/fun.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn tree(){
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stri`
[INFO] [stdout]  --> src/string.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn stri() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `borrow`
[INFO] [stdout]  --> src/borrowing.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn borrow(){
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `change`
[INFO] [stdout]  --> src/borrowing.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn change(some_string: &mut String){
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dang`
[INFO] [stdout]  --> src/dangling_reference.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn dang(){
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `no_dangle`
[INFO] [stdout]   --> src/dangling_reference.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn no_dangle() -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `user`
[INFO] [stdout]  --> src/struct_s.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn user(){
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]   --> src/methods.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     width: u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/methods.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/methods.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     height: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/methods.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `area`
[INFO] [stdout]   --> src/methods.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn area(&self) -> u32{
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `can_hold`
[INFO] [stdout]   --> src/methods.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn can_hold(&self, new: &Rectangle) -> bool{
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `square`
[INFO] [stdout]   --> src/methods.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn square(size: u32) -> Rectangle{
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `method`
[INFO] [stdout]   --> src/methods.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn method(){
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `V4`
[INFO] [stdout]   --> src/enums.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     V4(u8,u8,u8,u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `IpAddrKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/enums.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `V6`
[INFO] [stdout]   --> src/enums.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     V6(String),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `IpAddrKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/enums.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `enums_to`
[INFO] [stdout]   --> src/enums.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn enums_to(){
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nairobi`
[INFO] [stdout]  --> src/matching.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Nairobi,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `States` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/matching.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mombasa`
[INFO] [stdout]  --> src/matching.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Mombasa,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `States` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/matching.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nyeri`
[INFO] [stdout]  --> src/matching.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Nyeri
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `States` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/matching.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dim`
[INFO] [stdout]   --> src/matching.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Dim,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Quarter`
[INFO] [stdout]   --> src/matching.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Quarter,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hashing`
[INFO] [stdout]  --> src/hashmaps.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn hashing(){
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `error`
[INFO] [stdout]   --> src/err_ors.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn error(){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_username_from_file`
[INFO] [stdout]   --> src/files.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn read_username_from_file() -> Result<String, io::Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rusted-bb490ad7c57f3ecb)
[INFO] running `Command { std: "docker" "inspect" "e1e73cd896fc605f71013e269a296ce2f41264193d21f4947042abe75c6df104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1e73cd896fc605f71013e269a296ce2f41264193d21f4947042abe75c6df104", kill_on_drop: false }`
[INFO] [stdout] e1e73cd896fc605f71013e269a296ce2f41264193d21f4947042abe75c6df104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 29511620f2f673b824a34eff0114a0a2fa147547c07fb571cf0a1c46be0216da
[INFO] running `Command { std: "docker" "start" "-a" "29511620f2f673b824a34eff0114a0a2fa147547c07fb571cf0a1c46be0216da", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `word`
[INFO] [stderr]   --> src/string.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let word = String::new();
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_word`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `words`
[INFO] [stderr]   --> src/string.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let words = "Inital data".to_string();
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_words`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `refer_to_nothing`
[INFO] [stderr]  --> src/dangling_reference.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let refer_to_nothing = no_dangle();
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_refer_to_nothing`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]   --> src/matching.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let u = catch(Coins::Nickle);
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tee`
[INFO] [stderr]   --> src/matching.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let tee = te();
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_tee`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/err_ors.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let f = match f{
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rice`
[INFO] [stderr]  --> src/fun.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn rice(x:i64, y:i64) -> i64
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tree`
[INFO] [stderr]  --> src/fun.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn tree(){
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `stri`
[INFO] [stderr]  --> src/string.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn stri() {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `borrow`
[INFO] [stderr]  --> src/borrowing.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn borrow(){
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `change`
[INFO] [stderr]  --> src/borrowing.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn change(some_string: &mut String){
[INFO] [stderr]   |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dang`
[INFO] [stderr]  --> src/dangling_reference.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn dang(){
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `no_dangle`
[INFO] [stderr]   --> src/dangling_reference.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn no_dangle() -> String {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `user`
[INFO] [stderr]  --> src/struct_s.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn user(){
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `width`
[INFO] [stderr]   --> src/methods.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     width: u32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/methods.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `height`
[INFO] [stderr]   --> src/methods.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     height: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/methods.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `area`
[INFO] [stderr]   --> src/methods.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn area(&self) -> u32{
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `can_hold`
[INFO] [stderr]   --> src/methods.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn can_hold(&self, new: &Rectangle) -> bool{
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `square`
[INFO] [stderr]   --> src/methods.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn square(size: u32) -> Rectangle{
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `method`
[INFO] [stderr]   --> src/methods.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn method(){
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `V4`
[INFO] [stderr]   --> src/enums.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     V4(u8,u8,u8,u8),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `IpAddrKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/enums.rs:21:10
[INFO] [stderr]    |
[INFO] [stderr] 21 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `V6`
[INFO] [stderr]   --> src/enums.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     V6(String),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `IpAddrKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/enums.rs:21:10
[INFO] [stderr]    |
[INFO] [stderr] 21 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `enums_to`
[INFO] [stderr]   --> src/enums.rs:36:8
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub fn enums_to(){
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Nairobi`
[INFO] [stderr]  --> src/matching.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Nairobi,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `States` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/matching.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[derive(Debug)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Mombasa`
[INFO] [stderr]  --> src/matching.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Mombasa,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `States` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/matching.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[derive(Debug)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Nyeri`
[INFO] [stderr]  --> src/matching.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Nyeri
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `States` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/matching.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[derive(Debug)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dim`
[INFO] [stderr]   --> src/matching.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Dim,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Quarter`
[INFO] [stderr]   --> src/matching.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Quarter,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hashing`
[INFO] [stderr]  --> src/hashmaps.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn hashing(){
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `error`
[INFO] [stderr]   --> src/err_ors.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn error(){
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_username_from_file`
[INFO] [stderr]   --> src/files.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn read_username_from_file() -> Result<String, io::Error> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rusted` (bin "rusted" test) generated 31 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rusted-bb490ad7c57f3ecb)
[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" "29511620f2f673b824a34eff0114a0a2fa147547c07fb571cf0a1c46be0216da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29511620f2f673b824a34eff0114a0a2fa147547c07fb571cf0a1c46be0216da", kill_on_drop: false }`
[INFO] [stdout] 29511620f2f673b824a34eff0114a0a2fa147547c07fb571cf0a1c46be0216da