[INFO] cloning repository https://github.com/robert-at-pretension-io/Rusty_ML [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robert-at-pretension-io/Rusty_ML" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobert-at-pretension-io%2FRusty_ML", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobert-at-pretension-io%2FRusty_ML'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3b8b1af60d71e9edce0c0ce4aa757f24bf5e6ca7 [INFO] checking robert-at-pretension-io/Rusty_ML against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobert-at-pretension-io%2FRusty_ML" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/robert-at-pretension-io/Rusty_ML on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/robert-at-pretension-io/Rusty_ML [INFO] finished tweaking git repo https://github.com/robert-at-pretension-io/Rusty_ML [INFO] tweaked toml for git repo https://github.com/robert-at-pretension-io/Rusty_ML written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/robert-at-pretension-io/Rusty_ML already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bincode v0.5.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 57f2443ee3e226a556615c70c49d59d9318bdf2230f716dbd040b37230187ee2 [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" "57f2443ee3e226a556615c70c49d59d9318bdf2230f716dbd040b37230187ee2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "57f2443ee3e226a556615c70c49d59d9318bdf2230f716dbd040b37230187ee2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57f2443ee3e226a556615c70c49d59d9318bdf2230f716dbd040b37230187ee2", kill_on_drop: false }` [INFO] [stdout] 57f2443ee3e226a556615c70c49d59d9318bdf2230f716dbd040b37230187ee2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a985e6e059052e90a4dd04cbc68dde072baacd78f0afd26616f44a5b64841020 [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" "a985e6e059052e90a4dd04cbc68dde072baacd78f0afd26616f44a5b64841020", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.89 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking byteorder v0.5.3 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking serde v0.7.15 [INFO] [stderr] Checking ansi_term v0.7.5 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking bincode v0.5.9 [INFO] [stderr] Checking load_data v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:187:13 [INFO] [stdout] | [INFO] [stdout] 187 | try!(fs::create_dir(n_st.to_owned()).map_err(|e| e.to_string())); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:192:13 [INFO] [stdout] | [INFO] [stdout] 192 | try!(fs::create_dir(n_st.to_owned()).map_err(|e| e.to_string())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:230:20 [INFO] [stdout] | [INFO] [stdout] 230 | let mut v: Vec<(String)> = Vec::new(); [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:446:9 [INFO] [stdout] | [INFO] [stdout] 446 | try!(write!(f, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:704:24 [INFO] [stdout] | [INFO] [stdout] 704 | let mut file = try!(File::create(path)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:711:24 [INFO] [stdout] | [INFO] [stdout] 711 | let mut file = try!(File::open(path)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:162:61 [INFO] [stdout] | [INFO] [stdout] 162 | Err(why) => panic!("couldn't open {}: {}", display, Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:168:61 [INFO] [stdout] | [INFO] [stdout] 168 | Err(why) => panic!("couldn't read {}: {}", display, Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:206:61 [INFO] [stdout] | [INFO] [stdout] 206 | Err(why) => panic!("couldn't open {}: {}", display, Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:213:61 [INFO] [stdout] | [INFO] [stdout] 213 | Err(why) => panic!("couldn't read {}: {}", display, Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:283:61 [INFO] [stdout] | [INFO] [stdout] 283 | Err(why) => panic!("couldn't open {}: {}", display, Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:289:61 [INFO] [stdout] | [INFO] [stdout] 289 | Err(why) => panic!("couldn't read {}: {}", display, Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:187:13 [INFO] [stdout] | [INFO] [stdout] 187 | try!(fs::create_dir(n_st.to_owned()).map_err(|e| e.to_string())); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:192:13 [INFO] [stdout] | [INFO] [stdout] 192 | try!(fs::create_dir(n_st.to_owned()).map_err(|e| e.to_string())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:230:20 [INFO] [stdout] | [INFO] [stdout] 230 | let mut v: Vec<(String)> = Vec::new(); [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:446:9 [INFO] [stdout] | [INFO] [stdout] 446 | try!(write!(f, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:704:24 [INFO] [stdout] | [INFO] [stdout] 704 | let mut file = try!(File::create(path)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:711:24 [INFO] [stdout] | [INFO] [stdout] 711 | let mut file = try!(File::open(path)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:162:61 [INFO] [stdout] | [INFO] [stdout] 162 | Err(why) => panic!("couldn't open {}: {}", display, Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:168:61 [INFO] [stdout] | [INFO] [stdout] 168 | Err(why) => panic!("couldn't read {}: {}", display, Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:206:61 [INFO] [stdout] | [INFO] [stdout] 206 | Err(why) => panic!("couldn't open {}: {}", display, Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:213:61 [INFO] [stdout] | [INFO] [stdout] 213 | Err(why) => panic!("couldn't read {}: {}", display, Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:283:61 [INFO] [stdout] | [INFO] [stdout] 283 | Err(why) => panic!("couldn't open {}: {}", display, Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:289:61 [INFO] [stdout] | [INFO] [stdout] 289 | Err(why) => panic!("couldn't read {}: {}", display, Error::description(&why)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `project_name` [INFO] [stdout] --> src/main.rs:481:13 [INFO] [stdout] | [INFO] [stdout] 481 | let mut project_name = String::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_project_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `project_name` [INFO] [stdout] --> src/main.rs:481:13 [INFO] [stdout] | [INFO] [stdout] 481 | let mut project_name = String::new(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_project_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:481:13 [INFO] [stdout] | [INFO] [stdout] 481 | let mut project_name = String::new(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `string_please` [INFO] [stdout] --> src/main.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn string_please() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `clear` [INFO] [stdout] --> src/main.rs:41:4 [INFO] [stdout] | [INFO] [stdout] 41 | fn clear() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `word_match` [INFO] [stdout] --> src/main.rs:54:4 [INFO] [stdout] | [INFO] [stdout] 54 | fn word_match(word: &str, to_do: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `count_files` [INFO] [stdout] --> src/main.rs:65:4 [INFO] [stdout] | [INFO] [stdout] 65 | fn count_files(folder: &str) -> Option { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `make_choice` [INFO] [stdout] --> src/main.rs:132:4 [INFO] [stdout] | [INFO] [stdout] 132 | fn make_choice(vs: &Vec, explanation: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_empty_file` [INFO] [stdout] --> src/main.rs:155:4 [INFO] [stdout] | [INFO] [stdout] 155 | fn is_empty_file(file: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `make_folder` [INFO] [stdout] --> src/main.rs:182:4 [INFO] [stdout] | [INFO] [stdout] 182 | fn make_folder(name: &str, optional_folder_location: Option<&str>) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_first_line_of_file` [INFO] [stdout] --> src/main.rs:198:4 [INFO] [stdout] | [INFO] [stdout] 198 | fn print_first_line_of_file(file: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `collect_files` [INFO] [stdout] --> src/main.rs:229:4 [INFO] [stdout] | [INFO] [stdout] 229 | fn collect_files(folder: &str) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `file_exists` [INFO] [stdout] --> src/main.rs:255:4 [INFO] [stdout] | [INFO] [stdout] 255 | fn file_exists(file_name: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `choose_another_file` [INFO] [stdout] --> src/main.rs:259:4 [INFO] [stdout] | [INFO] [stdout] 259 | fn choose_another_file() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `file_to_string` [INFO] [stdout] --> src/main.rs:271:4 [INFO] [stdout] | [INFO] [stdout] 271 | fn file_to_string(file: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `split_file_to_columns` [INFO] [stdout] --> src/main.rs:294:4 [INFO] [stdout] | [INFO] [stdout] 294 | fn split_file_to_columns(file: &str, delimiter: &str) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `split_over` [INFO] [stdout] --> src/main.rs:326:4 [INFO] [stdout] | [INFO] [stdout] 326 | fn split_over<'a, 'b>(line: &'a str, delimiter: &'b str) -> Vec<&'a str> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:342:8 [INFO] [stdout] | [INFO] [stdout] 342 | fn new(data: Vec, name: &str) -> Column { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `initialize` [INFO] [stdout] --> src/main.rs:468:8 [INFO] [stdout] | [INFO] [stdout] 468 | fn initialize() -> Data { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `save` [INFO] [stdout] --> src/main.rs:702:8 [INFO] [stdout] | [INFO] [stdout] 702 | fn save(&self, path: &str) -> Result<(), std::io::Error> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `show` [INFO] [stdout] --> src/main.rs:718:8 [INFO] [stdout] | [INFO] [stdout] 718 | fn show(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:713:9 [INFO] [stdout] | [INFO] [stdout] 713 | file.read_to_end(&mut data); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 33 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:481:13 [INFO] [stdout] | [INFO] [stdout] 481 | let mut project_name = String::new(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `string_please` [INFO] [stdout] --> src/main.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn string_please() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `clear` [INFO] [stdout] --> src/main.rs:41:4 [INFO] [stdout] | [INFO] [stdout] 41 | fn clear() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `word_match` [INFO] [stdout] --> src/main.rs:54:4 [INFO] [stdout] | [INFO] [stdout] 54 | fn word_match(word: &str, to_do: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `count_files` [INFO] [stdout] --> src/main.rs:65:4 [INFO] [stdout] | [INFO] [stdout] 65 | fn count_files(folder: &str) -> Option { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `make_choice` [INFO] [stdout] --> src/main.rs:132:4 [INFO] [stdout] | [INFO] [stdout] 132 | fn make_choice(vs: &Vec, explanation: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_empty_file` [INFO] [stdout] --> src/main.rs:155:4 [INFO] [stdout] | [INFO] [stdout] 155 | fn is_empty_file(file: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `make_folder` [INFO] [stdout] --> src/main.rs:182:4 [INFO] [stdout] | [INFO] [stdout] 182 | fn make_folder(name: &str, optional_folder_location: Option<&str>) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_first_line_of_file` [INFO] [stdout] --> src/main.rs:198:4 [INFO] [stdout] | [INFO] [stdout] 198 | fn print_first_line_of_file(file: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `collect_files` [INFO] [stdout] --> src/main.rs:229:4 [INFO] [stdout] | [INFO] [stdout] 229 | fn collect_files(folder: &str) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `file_exists` [INFO] [stdout] --> src/main.rs:255:4 [INFO] [stdout] | [INFO] [stdout] 255 | fn file_exists(file_name: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `choose_another_file` [INFO] [stdout] --> src/main.rs:259:4 [INFO] [stdout] | [INFO] [stdout] 259 | fn choose_another_file() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `file_to_string` [INFO] [stdout] --> src/main.rs:271:4 [INFO] [stdout] | [INFO] [stdout] 271 | fn file_to_string(file: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `split_file_to_columns` [INFO] [stdout] --> src/main.rs:294:4 [INFO] [stdout] | [INFO] [stdout] 294 | fn split_file_to_columns(file: &str, delimiter: &str) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `split_over` [INFO] [stdout] --> src/main.rs:326:4 [INFO] [stdout] | [INFO] [stdout] 326 | fn split_over<'a, 'b>(line: &'a str, delimiter: &'b str) -> Vec<&'a str> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:342:8 [INFO] [stdout] | [INFO] [stdout] 342 | fn new(data: Vec, name: &str) -> Column { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `initialize` [INFO] [stdout] --> src/main.rs:468:8 [INFO] [stdout] | [INFO] [stdout] 468 | fn initialize() -> Data { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `save` [INFO] [stdout] --> src/main.rs:702:8 [INFO] [stdout] | [INFO] [stdout] 702 | fn save(&self, path: &str) -> Result<(), std::io::Error> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `show` [INFO] [stdout] --> src/main.rs:718:8 [INFO] [stdout] | [INFO] [stdout] 718 | fn show(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:713:9 [INFO] [stdout] | [INFO] [stdout] 713 | file.read_to_end(&mut data); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 33 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.62s [INFO] running `Command { std: "docker" "inspect" "a985e6e059052e90a4dd04cbc68dde072baacd78f0afd26616f44a5b64841020", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a985e6e059052e90a4dd04cbc68dde072baacd78f0afd26616f44a5b64841020", kill_on_drop: false }` [INFO] [stdout] a985e6e059052e90a4dd04cbc68dde072baacd78f0afd26616f44a5b64841020