[INFO] cloning repository https://github.com/LunarCoffee/osurate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LunarCoffee/osurate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLunarCoffee%2Fosurate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLunarCoffee%2Fosurate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06684a4ddef5a579903e794245d98cea5d9883c8
[INFO] checking LunarCoffee/osurate against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLunarCoffee%2Fosurate" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LunarCoffee/osurate on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LunarCoffee/osurate
[INFO] finished tweaking git repo https://github.com/LunarCoffee/osurate
[INFO] tweaked toml for git repo https://github.com/LunarCoffee/osurate written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/LunarCoffee/osurate already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", 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] 63a21dc085861ed727835f59a03a325418b7a953ccfd94381e274760b04c344e
[INFO] running `Command { std: "docker" "start" "-a" "63a21dc085861ed727835f59a03a325418b7a953ccfd94381e274760b04c344e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63a21dc085861ed727835f59a03a325418b7a953ccfd94381e274760b04c344e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63a21dc085861ed727835f59a03a325418b7a953ccfd94381e274760b04c344e", kill_on_drop: false }`
[INFO] [stdout] 63a21dc085861ed727835f59a03a325418b7a953ccfd94381e274760b04c344e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8febcd41104a509e98858eb53c1a2c424c0bb375e2a07a30288310256ffe00f9
[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" "8febcd41104a509e98858eb53c1a2c424c0bb375e2a07a30288310256ffe00f9", kill_on_drop: false }`
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]     Checking dasp_ring_buffer v0.11.0
[INFO] [stderr]     Checking lame v0.1.3
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]     Checking dasp_frame v0.11.0
[INFO] [stderr]     Checking dasp_window v0.11.0
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dasp_rms v0.11.0
[INFO] [stderr]     Checking dasp_peak v0.11.0
[INFO] [stderr]     Checking dasp_interpolate v0.11.0
[INFO] [stderr]     Checking dasp_slice v0.11.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dasp_envelope v0.11.0
[INFO] [stderr]     Checking dasp_signal v0.11.0
[INFO] [stderr]     Checking dasp v0.11.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking minimp3 v0.5.1
[INFO] [stderr]     Checking osurate v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::option::NoneError`
[INFO] [stdout]  --> src/beatmap/parser.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::option::NoneError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^ no `NoneError` in `option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(available_concurrency)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(iter_intersperse)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(try_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::option::NoneError`
[INFO] [stdout]  --> src/beatmap/parser.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::option::NoneError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^ no `NoneError` in `option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(available_concurrency)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(iter_intersperse)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(try_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/beatmap/parser.rs:44:54
[INFO] [stdout]     |
[INFO] [stdout] 43  | /     pub fn parse(&mut self) -> Result<Beatmap> {
[INFO] [stdout] 44  | |         let header = trim_utf8_bom(self.read_line()?)?;
[INFO] [stdout]     | |                                                      ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<Beatmap, ParseError>`
[INFO] [stdout] 45  | |         verify_ff(header.starts_with("osu file format v"))?;
[INFO] [stdout] 46  | |         util::verify(&header[17..] == "14", ParseError::UnsupportedVersion)?;
[INFO] [stdout] ...   |
[INFO] [stdout] 81  | |         Ok(Beatmap { general_info, editor_info, metadata, difficulty, events, timing_points, colors, hit_objects })
[INFO] [stdout] 82  | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<Beatmap, ParseError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/beatmap/parser.rs:44:54
[INFO] [stdout]     |
[INFO] [stdout] 43  | /     pub fn parse(&mut self) -> Result<Beatmap> {
[INFO] [stdout] 44  | |         let header = trim_utf8_bom(self.read_line()?)?;
[INFO] [stdout]     | |                                                      ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<Beatmap, ParseError>`
[INFO] [stdout] 45  | |         verify_ff(header.starts_with("osu file format v"))?;
[INFO] [stdout] 46  | |         util::verify(&header[17..] == "14", ParseError::UnsupportedVersion)?;
[INFO] [stdout] ...   |
[INFO] [stdout] 81  | |         Ok(Beatmap { general_info, editor_info, metadata, difficulty, events, timing_points, colors, hit_objects })
[INFO] [stdout] 82  | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<Beatmap, ParseError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/beatmap/parser.rs:91:53
[INFO] [stdout]     |
[INFO] [stdout] 84  | /     fn parse_general_info(&mut self) -> Result<(GeneralInfo, String)> {
[INFO] [stdout] 85  | |         let mut audio_file = String::new();
[INFO] [stdout] 86  | |         let mut preview_time = -1;
[INFO] [stdout] 87  | |         let mut rest = String::new();
[INFO] [stdout] ...   |
[INFO] [stdout] 91  | |             let (key, value) = line.split_once(": ")?;
[INFO] [stdout]     | |                                                     ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<(GeneralInfo, String), ParseError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         Ok((GeneralInfo { audio_file, preview_time, rest }, line))
[INFO] [stdout] 103 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<(GeneralInfo, String), ParseError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/beatmap/parser.rs:111:52
[INFO] [stdout]     |
[INFO] [stdout] 105 | /     fn parse_metadata(&mut self) -> Result<(Metadata, String)> {
[INFO] [stdout] 106 | |         let mut diff_name = String::new();
[INFO] [stdout] 107 | |         let mut rest = String::new();
[INFO] [stdout] 108 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 111 | |             let (key, value) = line.split_once(":")?;
[INFO] [stdout]     | |                                                    ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<(beatmap::Metadata, String), ParseError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 121 | |         Ok((Metadata { diff_name, rest }, line))
[INFO] [stdout] 122 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<(beatmap::Metadata, String), ParseError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/beatmap/parser.rs:91:53
[INFO] [stdout]     |
[INFO] [stdout] 84  | /     fn parse_general_info(&mut self) -> Result<(GeneralInfo, String)> {
[INFO] [stdout] 85  | |         let mut audio_file = String::new();
[INFO] [stdout] 86  | |         let mut preview_time = -1;
[INFO] [stdout] 87  | |         let mut rest = String::new();
[INFO] [stdout] ...   |
[INFO] [stdout] 91  | |             let (key, value) = line.split_once(": ")?;
[INFO] [stdout]     | |                                                     ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<(GeneralInfo, String), ParseError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         Ok((GeneralInfo { audio_file, preview_time, rest }, line))
[INFO] [stdout] 103 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<(GeneralInfo, String), ParseError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/beatmap/parser.rs:111:52
[INFO] [stdout]     |
[INFO] [stdout] 105 | /     fn parse_metadata(&mut self) -> Result<(Metadata, String)> {
[INFO] [stdout] 106 | |         let mut diff_name = String::new();
[INFO] [stdout] 107 | |         let mut rest = String::new();
[INFO] [stdout] 108 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 111 | |             let (key, value) = line.split_once(":")?;
[INFO] [stdout]     | |                                                    ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<(beatmap::Metadata, String), ParseError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 121 | |         Ok((Metadata { diff_name, rest }, line))
[INFO] [stdout] 122 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<(beatmap::Metadata, String), ParseError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/beatmap/parser.rs:148:58
[INFO] [stdout]     |
[INFO] [stdout] 140 | /     fn parse_hit_objects(&mut self) -> Result<Vec<HitObject>> {
[INFO] [stdout] 141 | |         let mut hit_objects = vec![];
[INFO] [stdout] 142 | |
[INFO] [stdout] 143 | |         let mut line = self.read_line()?;
[INFO] [stdout] ...   |
[INFO] [stdout] 148 | |             rest_parts.push(format!("{},{}", split.next()?, split.next()?));
[INFO] [stdout]     | |                                                          ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 171 | |         Ok(hit_objects)
[INFO] [stdout] 172 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/beatmap/parser.rs:148:73
[INFO] [stdout]     |
[INFO] [stdout] 140 | /     fn parse_hit_objects(&mut self) -> Result<Vec<HitObject>> {
[INFO] [stdout] 141 | |         let mut hit_objects = vec![];
[INFO] [stdout] 142 | |
[INFO] [stdout] 143 | |         let mut line = self.read_line()?;
[INFO] [stdout] ...   |
[INFO] [stdout] 148 | |             rest_parts.push(format!("{},{}", split.next()?, split.next()?));
[INFO] [stdout]     | |                                                                         ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 171 | |         Ok(hit_objects)
[INFO] [stdout] 172 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/beatmap/parser.rs:148:58
[INFO] [stdout]     |
[INFO] [stdout] 140 | /     fn parse_hit_objects(&mut self) -> Result<Vec<HitObject>> {
[INFO] [stdout] 141 | |         let mut hit_objects = vec![];
[INFO] [stdout] 142 | |
[INFO] [stdout] 143 | |         let mut line = self.read_line()?;
[INFO] [stdout] ...   |
[INFO] [stdout] 148 | |             rest_parts.push(format!("{},{}", split.next()?, split.next()?));
[INFO] [stdout]     | |                                                          ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 171 | |         Ok(hit_objects)
[INFO] [stdout] 172 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/beatmap/parser.rs:149:45
[INFO] [stdout]     |
[INFO] [stdout] 140 | /     fn parse_hit_objects(&mut self) -> Result<Vec<HitObject>> {
[INFO] [stdout] 141 | |         let mut hit_objects = vec![];
[INFO] [stdout] 142 | |
[INFO] [stdout] 143 | |         let mut line = self.read_line()?;
[INFO] [stdout] ...   |
[INFO] [stdout] 149 | |             let time = parse_ff(split.next()?)?;
[INFO] [stdout]     | |                                             ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 171 | |         Ok(hit_objects)
[INFO] [stdout] 172 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/beatmap/parser.rs:148:73
[INFO] [stdout]     |
[INFO] [stdout] 140 | /     fn parse_hit_objects(&mut self) -> Result<Vec<HitObject>> {
[INFO] [stdout] 141 | |         let mut hit_objects = vec![];
[INFO] [stdout] 142 | |
[INFO] [stdout] 143 | |         let mut line = self.read_line()?;
[INFO] [stdout] ...   |
[INFO] [stdout] 148 | |             rest_parts.push(format!("{},{}", split.next()?, split.next()?));
[INFO] [stdout]     | |                                                                         ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 171 | |         Ok(hit_objects)
[INFO] [stdout] 172 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/beatmap/parser.rs:150:52
[INFO] [stdout]     |
[INFO] [stdout] 140 | /     fn parse_hit_objects(&mut self) -> Result<Vec<HitObject>> {
[INFO] [stdout] 141 | |         let mut hit_objects = vec![];
[INFO] [stdout] 142 | |
[INFO] [stdout] 143 | |         let mut line = self.read_line()?;
[INFO] [stdout] ...   |
[INFO] [stdout] 150 | |             let kind = parse_ff::<i32>(split.next()?)?;
[INFO] [stdout]     | |                                                    ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 171 | |         Ok(hit_objects)
[INFO] [stdout] 172 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/beatmap/parser.rs:151:64
[INFO] [stdout]     |
[INFO] [stdout] 140 | /     fn parse_hit_objects(&mut self) -> Result<Vec<HitObject>> {
[INFO] [stdout] 141 | |         let mut hit_objects = vec![];
[INFO] [stdout] 142 | |
[INFO] [stdout] 143 | |         let mut line = self.read_line()?;
[INFO] [stdout] ...   |
[INFO] [stdout] 151 | |             rest_parts.push(format!("{},{}", kind, split.next()?));
[INFO] [stdout]     | |                                                                ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 171 | |         Ok(hit_objects)
[INFO] [stdout] 172 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/beatmap/parser.rs:149:45
[INFO] [stdout]     |
[INFO] [stdout] 140 | /     fn parse_hit_objects(&mut self) -> Result<Vec<HitObject>> {
[INFO] [stdout] 141 | |         let mut hit_objects = vec![];
[INFO] [stdout] 142 | |
[INFO] [stdout] 143 | |         let mut line = self.read_line()?;
[INFO] [stdout] ...   |
[INFO] [stdout] 149 | |             let time = parse_ff(split.next()?)?;
[INFO] [stdout]     | |                                             ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 171 | |         Ok(hit_objects)
[INFO] [stdout] 172 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/beatmap/parser.rs:150:52
[INFO] [stdout]     |
[INFO] [stdout] 140 | /     fn parse_hit_objects(&mut self) -> Result<Vec<HitObject>> {
[INFO] [stdout] 141 | |         let mut hit_objects = vec![];
[INFO] [stdout] 142 | |
[INFO] [stdout] 143 | |         let mut line = self.read_line()?;
[INFO] [stdout] ...   |
[INFO] [stdout] 150 | |             let kind = parse_ff::<i32>(split.next()?)?;
[INFO] [stdout]     | |                                                    ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 171 | |         Ok(hit_objects)
[INFO] [stdout] 172 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/beatmap/parser.rs:151:64
[INFO] [stdout]     |
[INFO] [stdout] 140 | /     fn parse_hit_objects(&mut self) -> Result<Vec<HitObject>> {
[INFO] [stdout] 141 | |         let mut hit_objects = vec![];
[INFO] [stdout] 142 | |
[INFO] [stdout] 143 | |         let mut line = self.read_line()?;
[INFO] [stdout] ...   |
[INFO] [stdout] 151 | |             rest_parts.push(format!("{},{}", kind, split.next()?));
[INFO] [stdout]     | |                                                                ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 171 | |         Ok(hit_objects)
[INFO] [stdout] 172 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/beatmap/parser.rs:156:63
[INFO] [stdout]     |
[INFO] [stdout] 140 | /     fn parse_hit_objects(&mut self) -> Result<Vec<HitObject>> {
[INFO] [stdout] 141 | |         let mut hit_objects = vec![];
[INFO] [stdout] 142 | |
[INFO] [stdout] 143 | |         let mut line = self.read_line()?;
[INFO] [stdout] ...   |
[INFO] [stdout] 156 | |                 HitObjectParams::Spinner(parse_ff(split.next()?)?)
[INFO] [stdout]     | |                                                               ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 171 | |         Ok(hit_objects)
[INFO] [stdout] 172 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/beatmap/parser.rs:158:52
[INFO] [stdout]     |
[INFO] [stdout] 140 | /     fn parse_hit_objects(&mut self) -> Result<Vec<HitObject>> {
[INFO] [stdout] 141 | |         let mut hit_objects = vec![];
[INFO] [stdout] 142 | |
[INFO] [stdout] 143 | |         let mut line = self.read_line()?;
[INFO] [stdout] ...   |
[INFO] [stdout] 158 | |                 let end_time = split.clone().next()?.split_once(':')?.0;
[INFO] [stdout]     | |                                                    ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 171 | |         Ok(hit_objects)
[INFO] [stdout] 172 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/beatmap/parser.rs:158:69
[INFO] [stdout]     |
[INFO] [stdout] 140 | /     fn parse_hit_objects(&mut self) -> Result<Vec<HitObject>> {
[INFO] [stdout] 141 | |         let mut hit_objects = vec![];
[INFO] [stdout] 142 | |
[INFO] [stdout] 143 | |         let mut line = self.read_line()?;
[INFO] [stdout] ...   |
[INFO] [stdout] 158 | |                 let end_time = split.clone().next()?.split_once(':')?.0;
[INFO] [stdout]     | |                                                                     ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 171 | |         Ok(hit_objects)
[INFO] [stdout] 172 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/beatmap/parser.rs:156:63
[INFO] [stdout]     |
[INFO] [stdout] 140 | /     fn parse_hit_objects(&mut self) -> Result<Vec<HitObject>> {
[INFO] [stdout] 141 | |         let mut hit_objects = vec![];
[INFO] [stdout] 142 | |
[INFO] [stdout] 143 | |         let mut line = self.read_line()?;
[INFO] [stdout] ...   |
[INFO] [stdout] 156 | |                 HitObjectParams::Spinner(parse_ff(split.next()?)?)
[INFO] [stdout]     | |                                                               ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 171 | |         Ok(hit_objects)
[INFO] [stdout] 172 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/beatmap/parser.rs:158:52
[INFO] [stdout]     |
[INFO] [stdout] 140 | /     fn parse_hit_objects(&mut self) -> Result<Vec<HitObject>> {
[INFO] [stdout] 141 | |         let mut hit_objects = vec![];
[INFO] [stdout] 142 | |
[INFO] [stdout] 143 | |         let mut line = self.read_line()?;
[INFO] [stdout] ...   |
[INFO] [stdout] 158 | |                 let end_time = split.clone().next()?.split_once(':')?.0;
[INFO] [stdout]     | |                                                    ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 171 | |         Ok(hit_objects)
[INFO] [stdout] 172 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/beatmap/parser.rs:158:69
[INFO] [stdout]     |
[INFO] [stdout] 140 | /     fn parse_hit_objects(&mut self) -> Result<Vec<HitObject>> {
[INFO] [stdout] 141 | |         let mut hit_objects = vec![];
[INFO] [stdout] 142 | |
[INFO] [stdout] 143 | |         let mut line = self.read_line()?;
[INFO] [stdout] ...   |
[INFO] [stdout] 158 | |                 let end_time = split.clone().next()?.split_once(':')?.0;
[INFO] [stdout]     | |                                                                     ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 171 | |         Ok(hit_objects)
[INFO] [stdout] 172 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<Vec<HitObject>, ParseError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 15 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `osurate` due to 16 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 15 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8febcd41104a509e98858eb53c1a2c424c0bb375e2a07a30288310256ffe00f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8febcd41104a509e98858eb53c1a2c424c0bb375e2a07a30288310256ffe00f9", kill_on_drop: false }`
[INFO] [stdout] 8febcd41104a509e98858eb53c1a2c424c0bb375e2a07a30288310256ffe00f9
