[INFO] cloning repository https://github.com/CerulanLumina/whereisclass
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CerulanLumina/whereisclass" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCerulanLumina%2Fwhereisclass", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5402cdceb298e5b0178bdd60905741fa863c403
[INFO] checking CerulanLumina/whereisclass against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCerulanLumina%2Fwhereisclass" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CerulanLumina/whereisclass
[INFO] finished tweaking git repo https://github.com/CerulanLumina/whereisclass
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[INFO] validating manifest of git repo https://github.com/CerulanLumina/whereisclass on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
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[INFO] crate git repo https://github.com/CerulanLumina/whereisclass 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `parser::htmlparser::CourseDBHTMLParseError`
[INFO] [stdout]  --> src/parser/mod.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{parser::htmlparser::CourseDBHTMLParseError, CourseDB};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parser::htmlparser::CourseDBHTMLParseError`
[INFO] [stdout]  --> src/parser/mod.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{parser::htmlparser::CourseDBHTMLParseError, CourseDB};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/parser/htmlparser.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 |     static ref DAY_REGEX: Regex = { Regex::new(r"^[MTWRF]*$").unwrap() };
[INFO] [stdout]    |                                   ^^                                  ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 28 -     static ref DAY_REGEX: Regex = { Regex::new(r"^[MTWRF]*$").unwrap() };
[INFO] [stdout] 28 +     static ref DAY_REGEX: Regex = Regex::new(r"^[MTWRF]*$").unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/parser/htmlparser.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 |     static ref DAY_REGEX: Regex = { Regex::new(r"^[MTWRF]*$").unwrap() };
[INFO] [stdout]    |                                   ^^                                  ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 28 -     static ref DAY_REGEX: Regex = { Regex::new(r"^[MTWRF]*$").unwrap() };
[INFO] [stdout] 28 +     static ref DAY_REGEX: Regex = Regex::new(r"^[MTWRF]*$").unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/models.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |             x => Err(DayParseError(from.into())),
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/models.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |             x => Err(DayParseError(from.into())),
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]   --> src/main.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             db,
[INFO] [stdout]    |             ^^ help: try ignoring the field: `db: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `room`
[INFO] [stdout]   --> src/main.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             room,
[INFO] [stdout]    |             ^^^^ help: try ignoring the field: `room: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]   --> src/main.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             db,
[INFO] [stdout]    |             ^^ help: try ignoring the field: `db: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `day`
[INFO] [stdout]   --> src/main.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             day,
[INFO] [stdout]    |             ^^^ help: try ignoring the field: `day: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]   --> src/main.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |             time,
[INFO] [stdout]    |             ^^^^ help: try ignoring the field: `time: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]   --> src/main.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             db,
[INFO] [stdout]    |             ^^ help: try ignoring the field: `db: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `day`
[INFO] [stdout]   --> src/main.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |             day,
[INFO] [stdout]    |             ^^^ help: try ignoring the field: `day: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time_start`
[INFO] [stdout]   --> src/main.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |             time_start,
[INFO] [stdout]    |             ^^^^^^^^^^ help: try ignoring the field: `time_start: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time_end`
[INFO] [stdout]   --> src/main.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             time_end,
[INFO] [stdout]    |             ^^^^^^^^ help: try ignoring the field: `time_end: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `room`
[INFO] [stdout]   --> src/main.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             room,
[INFO] [stdout]    |             ^^^^ help: try ignoring the field: `room: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `day`
[INFO] [stdout]   --> src/main.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             day,
[INFO] [stdout]    |             ^^^ help: try ignoring the field: `day: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]   --> src/main.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |             time,
[INFO] [stdout]    |             ^^^^ help: try ignoring the field: `time: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]   --> src/main.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             db,
[INFO] [stdout]    |             ^^ help: try ignoring the field: `db: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `day`
[INFO] [stdout]   --> src/main.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |             day,
[INFO] [stdout]    |             ^^^ help: try ignoring the field: `day: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time_start`
[INFO] [stdout]   --> src/main.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |             time_start,
[INFO] [stdout]    |             ^^^^^^^^^^ help: try ignoring the field: `time_start: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time_end`
[INFO] [stdout]   --> src/main.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             time_end,
[INFO] [stdout]    |             ^^^^^^^^ help: try ignoring the field: `time_end: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |             let mut f = File::open(parse_args.file);
[INFO] [stdout]    |                 ----^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |             let mut f = File::open(parse_args.file);
[INFO] [stdout]    |                 ----^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FindCourseInRoomAtTime` is never used
[INFO] [stdout]  --> src/actions.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait FindCourseInRoomAtTime {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FindEmptyRooms` is never used
[INFO] [stdout]   --> src/actions.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub trait FindEmptyRooms {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `time` is never used
[INFO] [stdout]   --> src/models.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 86 | impl TimeCode {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 87 |     pub fn time(&self) -> u16 { self.time }
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `input` is never used
[INFO] [stdout]    --> src/models.rs:256:8
[INFO] [stdout]     |
[INFO] [stdout] 249 | impl TimeCodeParseError {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 256 |     fn input(&self) -> &str { self.input.as_str() }
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FindCourseInRoomAtTime` is never used
[INFO] [stdout]  --> src/actions.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait FindCourseInRoomAtTime {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FindEmptyRooms` is never used
[INFO] [stdout]   --> src/actions.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub trait FindEmptyRooms {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `time` is never used
[INFO] [stdout]   --> src/models.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 86 | impl TimeCode {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 87 |     pub fn time(&self) -> u16 { self.time }
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `input` is never used
[INFO] [stdout]    --> src/models.rs:256:8
[INFO] [stdout]     |
[INFO] [stdout] 249 | impl TimeCodeParseError {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 256 |     fn input(&self) -> &str { self.input.as_str() }
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&std::string::String` instead of cloning the inner type
[INFO] [stdout]   --> src/actions.rs:93:23
[INFO] [stdout]    |
[INFO] [stdout] 93 |             .map(|a| a.clone().clone())
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&std::string::String` instead of cloning the inner type
[INFO] [stdout]   --> src/actions.rs:93:23
[INFO] [stdout]    |
[INFO] [stdout] 93 |             .map(|a| a.clone().clone())
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.85s
[INFO] running `Command { std: "docker" "inspect" "e89fa089ded53458c3889d307ad24fd46c4dd7c91520705d937095dbdcd3f008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e89fa089ded53458c3889d307ad24fd46c4dd7c91520705d937095dbdcd3f008", kill_on_drop: false }`
[INFO] [stdout] e89fa089ded53458c3889d307ad24fd46c4dd7c91520705d937095dbdcd3f008
