[INFO] cloning repository https://github.com/lolmageap/rust-basic-study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lolmageap/rust-basic-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolmageap%2Frust-basic-study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolmageap%2Frust-basic-study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c766e3b59fa6b78a8ad635d7b4bcb2b15cfaebe0
[INFO] checking lolmageap/rust-basic-study against try#b32fc44666c052e7cf07ab471bfb6f9ec571902f for pr-138676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolmageap%2Frust-basic-study" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lolmageap/rust-basic-study on toolchain b32fc44666c052e7cf07ab471bfb6f9ec571902f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lolmageap/rust-basic-study
[INFO] finished tweaking git repo https://github.com/lolmageap/rust-basic-study
[INFO] tweaked toml for git repo https://github.com/lolmageap/rust-basic-study written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/lolmageap/rust-basic-study already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c66771ffe6a22780a31fa0121b19ec43e3bb8d268f3a065849ac3e4335f62f1
[INFO] running `Command { std: "docker" "start" "-a" "6c66771ffe6a22780a31fa0121b19ec43e3bb8d268f3a065849ac3e4335f62f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c66771ffe6a22780a31fa0121b19ec43e3bb8d268f3a065849ac3e4335f62f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c66771ffe6a22780a31fa0121b19ec43e3bb8d268f3a065849ac3e4335f62f1", kill_on_drop: false }`
[INFO] [stdout] 6c66771ffe6a22780a31fa0121b19ec43e3bb8d268f3a065849ac3e4335f62f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40c21d5b6da00f4232cea75171bff0433857acddd07e610934db7e1fe66a5653
[INFO] running `Command { std: "docker" "start" "-a" "40c21d5b6da00f4232cea75171bff0433857acddd07e610934db7e1fe66a5653", kill_on_drop: false }`
[INFO] [stderr]     Checking rock-scissor-paper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected expression, found keyword `mut`
[INFO] [stdout]    --> src/main.rs:268:29
[INFO] [stdout]     |
[INFO] [stdout] 268 |     let len2 = calc_length2(mut &s);
[INFO] [stdout]     |                             ^^^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found keyword `mut`
[INFO] [stdout]    --> src/main.rs:268:29
[INFO] [stdout]     |
[INFO] [stdout] 268 |     let len2 = calc_length2(mut &s);
[INFO] [stdout]     |                             ^^^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `fn_string_length` is defined multiple times
[INFO] [stdout]    --> src/main.rs:240:2
[INFO] [stdout]     |
[INFO] [stdout] 228 |  fn fn_string_length() {
[INFO] [stdout]     |  --------------------- previous definition of the value `fn_string_length` here
[INFO] [stdout] ...
[INFO] [stdout] 240 |  fn fn_string_length() {
[INFO] [stdout]     |  ^^^^^^^^^^^^^^^^^^^^^ `fn_string_length` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `fn_string_length` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `fn_string_length` is defined multiple times
[INFO] [stdout]    --> src/main.rs:240:2
[INFO] [stdout]     |
[INFO] [stdout] 228 |  fn fn_string_length() {
[INFO] [stdout]     |  --------------------- previous definition of the value `fn_string_length` here
[INFO] [stdout] ...
[INFO] [stdout] 240 |  fn fn_string_length() {
[INFO] [stdout]     |  ^^^^^^^^^^^^^^^^^^^^^ `fn_string_length` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `fn_string_length` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:130:14
[INFO] [stdout]     |
[INFO] [stdout] 130 |     println!(y); // 5
[INFO] [stdout]     |              ^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 130 |     println!("{}", y); // 5
[INFO] [stdout]     |              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:151:14
[INFO] [stdout]     |
[INFO] [stdout] 151 |     println!(y);
[INFO] [stdout]     |              ^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 151 |     println!("{}", y);
[INFO] [stdout]     |              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:170:14
[INFO] [stdout]     |
[INFO] [stdout] 170 |     println!(result);
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 170 |     println!("{}", result);
[INFO] [stdout]     |              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:207:15
[INFO] [stdout]     |
[INFO] [stdout] 207 |      println!(x);
[INFO] [stdout]     |               ^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 207 |      println!("{}", x);
[INFO] [stdout]     |               +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:208:15
[INFO] [stdout]     |
[INFO] [stdout] 208 |      println!(y);
[INFO] [stdout]     |               ^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 208 |      println!("{}", y);
[INFO] [stdout]     |               +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:215:15
[INFO] [stdout]     |
[INFO] [stdout] 215 |      println!(s2); // 정상 출력
[INFO] [stdout]     |               ^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 215 |      println!("{}", s2); // 정상 출력
[INFO] [stdout]     |               +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:216:15
[INFO] [stdout]     |
[INFO] [stdout] 216 |      println!(s1); // 컴파일 에러
[INFO] [stdout]     |               ^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 216 |      println!("{}", s1); // 컴파일 에러
[INFO] [stdout]     |               +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:224:15
[INFO] [stdout]     |
[INFO] [stdout] 224 |      println!(s2); // 정상 출력
[INFO] [stdout]     |               ^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 224 |      println!("{}", s2); // 정상 출력
[INFO] [stdout]     |               +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:225:15
[INFO] [stdout]     |
[INFO] [stdout] 225 |      println!(s1); // 정상 출력
[INFO] [stdout]     |               ^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 225 |      println!("{}", s1); // 정상 출력
[INFO] [stdout]     |               +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:130:14
[INFO] [stdout]     |
[INFO] [stdout] 130 |     println!(y); // 5
[INFO] [stdout]     |              ^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 130 |     println!("{}", y); // 5
[INFO] [stdout]     |              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:231:14
[INFO] [stdout]     |
[INFO] [stdout] 231 |     println!(s1); // 컴파일 에러
[INFO] [stdout]     |              ^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 231 |     println!("{}", s1); // 컴파일 에러
[INFO] [stdout]     |              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:151:14
[INFO] [stdout]     |
[INFO] [stdout] 151 |     println!(y);
[INFO] [stdout]     |              ^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 151 |     println!("{}", y);
[INFO] [stdout]     |              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:232:15
[INFO] [stdout]     |
[INFO] [stdout] 232 |      println!(s2); // 정상 출력
[INFO] [stdout]     |               ^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 232 |      println!("{}", s2); // 정상 출력
[INFO] [stdout]     |               +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:170:14
[INFO] [stdout]     |
[INFO] [stdout] 170 |     println!(result);
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 170 |     println!("{}", result);
[INFO] [stdout]     |              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:236:14
[INFO] [stdout]     |
[INFO] [stdout] 236 |     println!(s.length);
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 236 |     println!("{}", s.length);
[INFO] [stdout]     |              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:207:15
[INFO] [stdout]     |
[INFO] [stdout] 207 |      println!(x);
[INFO] [stdout]     |               ^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 207 |      println!("{}", x);
[INFO] [stdout]     |               +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:248:14
[INFO] [stdout]     |
[INFO] [stdout] 248 |     println!(s.length);
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 248 |     println!("{}", s.length);
[INFO] [stdout]     |              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:253:14
[INFO] [stdout]     |
[INFO] [stdout] 253 |     println!(s.length);
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 253 |     println!("{}", s.length);
[INFO] [stdout]     |              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:208:15
[INFO] [stdout]     |
[INFO] [stdout] 208 |      println!(y);
[INFO] [stdout]     |               ^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 208 |      println!("{}", y);
[INFO] [stdout]     |               +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:270:14
[INFO] [stdout]     |
[INFO] [stdout] 270 |     println!(s);
[INFO] [stdout]     |              ^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 270 |     println!("{}", s);
[INFO] [stdout]     |              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:215:15
[INFO] [stdout]     |
[INFO] [stdout] 215 |      println!(s2); // 정상 출력
[INFO] [stdout]     |               ^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 215 |      println!("{}", s2); // 정상 출력
[INFO] [stdout]     |               +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:271:14
[INFO] [stdout]     |
[INFO] [stdout] 271 |     println!(len);
[INFO] [stdout]     |              ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 271 |     println!("{}", len);
[INFO] [stdout]     |              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:216:15
[INFO] [stdout]     |
[INFO] [stdout] 216 |      println!(s1); // 컴파일 에러
[INFO] [stdout]     |               ^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 216 |      println!("{}", s1); // 컴파일 에러
[INFO] [stdout]     |               +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:224:15
[INFO] [stdout]     |
[INFO] [stdout] 224 |      println!(s2); // 정상 출력
[INFO] [stdout]     |               ^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 224 |      println!("{}", s2); // 정상 출력
[INFO] [stdout]     |               +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:225:15
[INFO] [stdout]     |
[INFO] [stdout] 225 |      println!(s1); // 정상 출력
[INFO] [stdout]     |               ^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 225 |      println!("{}", s1); // 정상 출력
[INFO] [stdout]     |               +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:231:14
[INFO] [stdout]     |
[INFO] [stdout] 231 |     println!(s1); // 컴파일 에러
[INFO] [stdout]     |              ^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 231 |     println!("{}", s1); // 컴파일 에러
[INFO] [stdout]     |              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:232:15
[INFO] [stdout]     |
[INFO] [stdout] 232 |      println!(s2); // 정상 출력
[INFO] [stdout]     |               ^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 232 |      println!("{}", s2); // 정상 출력
[INFO] [stdout]     |               +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:236:14
[INFO] [stdout]     |
[INFO] [stdout] 236 |     println!(s.length);
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 236 |     println!("{}", s.length);
[INFO] [stdout]     |              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:248:14
[INFO] [stdout]     |
[INFO] [stdout] 248 |     println!(s.length);
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 248 |     println!("{}", s.length);
[INFO] [stdout]     |              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:253:14
[INFO] [stdout]     |
[INFO] [stdout] 253 |     println!(s.length);
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 253 |     println!("{}", s.length);
[INFO] [stdout]     |              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:270:14
[INFO] [stdout]     |
[INFO] [stdout] 270 |     println!(s);
[INFO] [stdout]     |              ^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 270 |     println!("{}", s);
[INFO] [stdout]     |              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/main.rs:271:14
[INFO] [stdout]     |
[INFO] [stdout] 271 |     println!(len);
[INFO] [stdout]     |              ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 271 |     println!("{}", len);
[INFO] [stdout]     |              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `value` in this scope
[INFO] [stdout]    --> src/main.rs:192:32
[INFO] [stdout]     |
[INFO] [stdout] 192 |         println!("value = {}", value);
[INFO] [stdout]     |                                ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `value` in this scope
[INFO] [stdout]    --> src/main.rs:198:32
[INFO] [stdout]     |
[INFO] [stdout] 198 |         println!("value = {}", value);
[INFO] [stdout]     |                                ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `string`
[INFO] [stdout]  --> src/main.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io, string};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/main.rs:172:11
[INFO] [stdout]     |
[INFO] [stdout] 172 |     while (counter < 5) {
[INFO] [stdout]     |           ^           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 172 -     while (counter < 5) {
[INFO] [stdout] 172 +     while counter < 5 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/main.rs:191:14
[INFO] [stdout]     |
[INFO] [stdout] 191 |     for i in (0..5) {
[INFO] [stdout]     |              ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 191 -     for i in (0..5) {
[INFO] [stdout] 191 +     for i in 0..5 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `value` in this scope
[INFO] [stdout]    --> src/main.rs:192:32
[INFO] [stdout]     |
[INFO] [stdout] 192 |         println!("value = {}", value);
[INFO] [stdout]     |                                ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `value` in this scope
[INFO] [stdout]    --> src/main.rs:198:32
[INFO] [stdout]     |
[INFO] [stdout] 198 |         println!("value = {}", value);
[INFO] [stdout]     |                                ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `string`
[INFO] [stdout]  --> src/main.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io, string};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/main.rs:172:11
[INFO] [stdout]     |
[INFO] [stdout] 172 |     while (counter < 5) {
[INFO] [stdout]     |           ^           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 172 -     while (counter < 5) {
[INFO] [stdout] 172 +     while counter < 5 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/main.rs:191:14
[INFO] [stdout]     |
[INFO] [stdout] 191 |     for i in (0..5) {
[INFO] [stdout]     |              ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 191 -     for i in (0..5) {
[INFO] [stdout] 191 +     for i in 0..5 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:106:28
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let hellos = ["hello", 10];
[INFO] [stdout]     |                            ^^ expected `&str`, found integer
[INFO] [stdout]     |
[INFO] [stdout] help: replace the comma with a semicolon to create an array
[INFO] [stdout]     |
[INFO] [stdout] 106 -     let hellos = ["hello", 10];
[INFO] [stdout] 106 +     let hellos = ["hello"; 10];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 156 | /     loop {
[INFO] [stdout] 157 | |         println!("반복");
[INFO] [stdout] 158 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 159 |
[INFO] [stdout] 160 |       let mut counter = 0;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:106:28
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let hellos = ["hello", 10];
[INFO] [stdout]     |                            ^^ expected `&str`, found integer
[INFO] [stdout]     |
[INFO] [stdout] help: replace the comma with a semicolon to create an array
[INFO] [stdout]     |
[INFO] [stdout] 106 -     let hellos = ["hello", 10];
[INFO] [stdout] 106 +     let hellos = ["hello"; 10];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 156 | /     loop {
[INFO] [stdout] 157 | |         println!("반복");
[INFO] [stdout] 158 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 159 |
[INFO] [stdout] 160 |       let mut counter = 0;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |     let (len, s1) = string_length1(s1); // 튜플로 반환을 한다면 소유권을 다시 가져오고 값도 가져올 수 있다.
[INFO] [stdout]     |         ^^^^^^^^^   ------------------ this expression has type `usize`
[INFO] [stdout]     |         |
[INFO] [stdout]     |         expected `usize`, found `(_, _)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type `usize`
[INFO] [stdout]               found tuple `(_, _)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |     let (len, s1) = string_length1(s1); // 튜플로 반환을 한다면 소유권을 다시 가져오고 값도 가져올 수 있다.
[INFO] [stdout]     |         ^^^^^^^^^   ------------------ this expression has type `usize`
[INFO] [stdout]     |         |
[INFO] [stdout]     |         expected `usize`, found `(_, _)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type `usize`
[INFO] [stdout]               found tuple `(_, _)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `add`
[INFO] [stdout]   --> src/main.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let add = 3 + 8;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_add`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub`
[INFO] [stdout]   --> src/main.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let sub = 26.5 - 2.1;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_sub`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mul`
[INFO] [stdout]   --> src/main.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let mul = 7 * 20;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_mul`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `quotient`
[INFO] [stdout]   --> src/main.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let quotient = 12.0 / 3.14;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_quotient`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `truncate`
[INFO] [stdout]   --> src/main.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let truncate = 7 / 5; // 결과는 1
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_truncate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remainder`
[INFO] [stdout]   --> src/main.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let remainder = 46 % 5;
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let t = true;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/main.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let f: bool = false;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/main.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let c = 'A';
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let z: char = '가';
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unicorn`
[INFO] [stdout]   --> src/main.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let unicorn = '🦄';
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unicorn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let e = tuple.0;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/main.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let f = tuple.1;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]   --> src/main.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let g = tuple.2;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/main.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let h = tuple.3;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `add`
[INFO] [stdout]   --> src/main.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let add = 3 + 8;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_add`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub`
[INFO] [stdout]   --> src/main.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let sub = 26.5 - 2.1;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_sub`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mul`
[INFO] [stdout]   --> src/main.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let mul = 7 * 20;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_mul`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `quotient`
[INFO] [stdout]   --> src/main.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let quotient = 12.0 / 3.14;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_quotient`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `truncate`
[INFO] [stdout]   --> src/main.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let truncate = 7 / 5; // 결과는 1
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_truncate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remainder`
[INFO] [stdout]   --> src/main.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let remainder = 46 % 5;
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let t = true;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/main.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let f: bool = false;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/main.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let c = 'A';
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let z: char = '가';
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unicorn`
[INFO] [stdout]   --> src/main.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let unicorn = '🦄';
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unicorn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let e = tuple.0;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/main.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let f = tuple.1;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]   --> src/main.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let g = tuple.2;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/main.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let h = tuple.3;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0425, E0428.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0425, E0428.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rock-scissor-paper` (bin "rock-scissor-paper" test) due to 22 previous errors; 19 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rock-scissor-paper` (bin "rock-scissor-paper") due to 22 previous errors; 19 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "40c21d5b6da00f4232cea75171bff0433857acddd07e610934db7e1fe66a5653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40c21d5b6da00f4232cea75171bff0433857acddd07e610934db7e1fe66a5653", kill_on_drop: false }`
[INFO] [stdout] 40c21d5b6da00f4232cea75171bff0433857acddd07e610934db7e1fe66a5653