[INFO] cloning repository https://github.com/FTB-Gamepedia/bunnybutt-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FTB-Gamepedia/bunnybutt-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFTB-Gamepedia%2Fbunnybutt-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFTB-Gamepedia%2Fbunnybutt-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10f5f437f8c8e85479b17e0801adcd5c4e45e450
[INFO] checking FTB-Gamepedia/bunnybutt-rs against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFTB-Gamepedia%2Fbunnybutt-rs" "/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/FTB-Gamepedia/bunnybutt-rs on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FTB-Gamepedia/bunnybutt-rs
[INFO] finished tweaking git repo https://github.com/FTB-Gamepedia/bunnybutt-rs
[INFO] tweaked toml for git repo https://github.com/FTB-Gamepedia/bunnybutt-rs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/FTB-Gamepedia/bunnybutt-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dffdff074054ab2997f2061034a4d61c18bd1460c64f4984370c94b020527a5a
[INFO] running `Command { std: "docker" "start" "-a" "dffdff074054ab2997f2061034a4d61c18bd1460c64f4984370c94b020527a5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dffdff074054ab2997f2061034a4d61c18bd1460c64f4984370c94b020527a5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dffdff074054ab2997f2061034a4d61c18bd1460c64f4984370c94b020527a5a", kill_on_drop: false }`
[INFO] [stdout] dffdff074054ab2997f2061034a4d61c18bd1460c64f4984370c94b020527a5a
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fc2a4a3cd1de157032248a313ffb3fd613e4a92034b2c32d94dbf5793db4833
[INFO] running `Command { std: "docker" "start" "-a" "3fc2a4a3cd1de157032248a313ffb3fd613e4a92034b2c32d94dbf5793db4833", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]     Checking regex-syntax v0.6.11
[INFO] [stderr]     Checking miniz_oxide v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]     Checking mime v0.3.13
[INFO] [stderr]     Checking irc v0.11.8
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking rand v0.6.5
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[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling openssl-sys v0.9.48
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.3
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking flate2 v1.0.9
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[INFO] [stderr]     Checking tokio v0.1.22
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[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]     Checking error-chain v0.12.1
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[INFO] [stderr]     Checking serde_json v1.0.40
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[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.19
[INFO] [stderr]     Checking mediawiki v0.0.1 (https://github.com/FTB-Gamepedia/mediawiki-rs.git#d09bae79)
[INFO] [stdout] error[E0432]: unresolved import `std::option::NoneError`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/mediawiki-rs-ccdb6ca811e3accb/d09bae7/src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     option::NoneError,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ no `NoneError` in `option`
[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]    --> /opt/rustwide/cargo-home/git/checkouts/mediawiki-rs-ccdb6ca811e3accb/d09bae7/src/lib.rs:108:38
[INFO] [stdout]     |
[INFO] [stdout] 99  | /     pub fn login(&self) -> Result<(), Error> {
[INFO] [stdout] 100 | |         let token = self.get_token::<Login>()?;
[INFO] [stdout] 101 | |         let mut request = self.request();
[INFO] [stdout] 102 | |         request
[INFO] [stdout] ...   |
[INFO] [stdout] 108 | |         let inner = json.get("login")?;
[INFO] [stdout]     | |                                      ^ use `.ok_or(...)?` to provide an error compatible with `Result<(), Error>`
[INFO] [stdout] ...   |
[INFO] [stdout] 116 | |         }
[INFO] [stdout] 117 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<(), Error>`
[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]    --> /opt/rustwide/cargo-home/git/checkouts/mediawiki-rs-ccdb6ca811e3accb/d09bae7/src/lib.rs:109:41
[INFO] [stdout]     |
[INFO] [stdout] 99  | /     pub fn login(&self) -> Result<(), Error> {
[INFO] [stdout] 100 | |         let token = self.get_token::<Login>()?;
[INFO] [stdout] 101 | |         let mut request = self.request();
[INFO] [stdout] 102 | |         request
[INFO] [stdout] ...   |
[INFO] [stdout] 109 | |         let result = inner.get("result")?.as_str()?;
[INFO] [stdout]     | |                                         ^ use `.ok_or(...)?` to provide an error compatible with `Result<(), Error>`
[INFO] [stdout] ...   |
[INFO] [stdout] 116 | |         }
[INFO] [stdout] 117 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<(), Error>`
[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]    --> /opt/rustwide/cargo-home/git/checkouts/mediawiki-rs-ccdb6ca811e3accb/d09bae7/src/lib.rs:109:51
[INFO] [stdout]     |
[INFO] [stdout] 99  | /     pub fn login(&self) -> Result<(), Error> {
[INFO] [stdout] 100 | |         let token = self.get_token::<Login>()?;
[INFO] [stdout] 101 | |         let mut request = self.request();
[INFO] [stdout] 102 | |         request
[INFO] [stdout] ...   |
[INFO] [stdout] 109 | |         let result = inner.get("result")?.as_str()?;
[INFO] [stdout]     | |                                                   ^ use `.ok_or(...)?` to provide an error compatible with `Result<(), Error>`
[INFO] [stdout] ...   |
[INFO] [stdout] 116 | |         }
[INFO] [stdout] 117 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<(), Error>`
[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]    --> /opt/rustwide/cargo-home/git/checkouts/mediawiki-rs-ccdb6ca811e3accb/d09bae7/src/lib.rs:132:30
[INFO] [stdout]     |
[INFO] [stdout] 121 | /     pub fn get_token<T>(&self) -> Result<Token<T>, Error>
[INFO] [stdout] 122 | |     where
[INFO] [stdout] 123 | |         T: TokenType,
[INFO] [stdout] 124 | |     {
[INFO] [stdout] ...   |
[INFO] [stdout] 132 | |             json.get("query")?
[INFO] [stdout]     | |                              ^ use `.ok_or(...)?` to provide an error compatible with `Result<Token<T>, Error>`
[INFO] [stdout] ...   |
[INFO] [stdout] 136 | |         ))
[INFO] [stdout] 137 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<Token<T>, Error>`
[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]    --> /opt/rustwide/cargo-home/git/checkouts/mediawiki-rs-ccdb6ca811e3accb/d09bae7/src/lib.rs:133:31
[INFO] [stdout]     |
[INFO] [stdout] 121 | /     pub fn get_token<T>(&self) -> Result<Token<T>, Error>
[INFO] [stdout] 122 | |     where
[INFO] [stdout] 123 | |         T: TokenType,
[INFO] [stdout] 124 | |     {
[INFO] [stdout] ...   |
[INFO] [stdout] 133 | |                 .get("tokens")?
[INFO] [stdout]     | |                               ^ use `.ok_or(...)?` to provide an error compatible with `Result<Token<T>, Error>`
[INFO] [stdout] ...   |
[INFO] [stdout] 136 | |         ))
[INFO] [stdout] 137 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<Token<T>, Error>`
[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]    --> /opt/rustwide/cargo-home/git/checkouts/mediawiki-rs-ccdb6ca811e3accb/d09bae7/src/lib.rs:134:36
[INFO] [stdout]     |
[INFO] [stdout] 121 | /     pub fn get_token<T>(&self) -> Result<Token<T>, Error>
[INFO] [stdout] 122 | |     where
[INFO] [stdout] 123 | |         T: TokenType,
[INFO] [stdout] 124 | |     {
[INFO] [stdout] ...   |
[INFO] [stdout] 134 | |                 .get(T::out_type())?
[INFO] [stdout]     | |                                    ^ use `.ok_or(...)?` to provide an error compatible with `Result<Token<T>, Error>`
[INFO] [stdout] 135 | |                 .as_str()?,
[INFO] [stdout] 136 | |         ))
[INFO] [stdout] 137 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<Token<T>, Error>`
[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]    --> /opt/rustwide/cargo-home/git/checkouts/mediawiki-rs-ccdb6ca811e3accb/d09bae7/src/lib.rs:135:26
[INFO] [stdout]     |
[INFO] [stdout] 121 | /     pub fn get_token<T>(&self) -> Result<Token<T>, Error>
[INFO] [stdout] 122 | |     where
[INFO] [stdout] 123 | |         T: TokenType,
[INFO] [stdout] 124 | |     {
[INFO] [stdout] ...   |
[INFO] [stdout] 135 | |                 .as_str()?,
[INFO] [stdout]     | |                          ^ use `.ok_or(...)?` to provide an error compatible with `Result<Token<T>, Error>`
[INFO] [stdout] 136 | |         ))
[INFO] [stdout] 137 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<Token<T>, Error>`
[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]    --> /opt/rustwide/cargo-home/git/checkouts/mediawiki-rs-ccdb6ca811e3accb/d09bae7/src/lib.rs:166:39
[INFO] [stdout]     |
[INFO] [stdout] 159 | /     pub fn download_file(&self, name: &str) -> Result<Option<Vec<u8>>, Error> {
[INFO] [stdout] 160 | |         let mut request = self.request();
[INFO] [stdout] 161 | |         request.arg("action", "query");
[INFO] [stdout] 162 | |         request.arg("prop", "imageinfo");
[INFO] [stdout] ...   |
[INFO] [stdout] 166 | |         let images = json.get("query")?.get("pages")?;
[INFO] [stdout]     | |                                       ^ use `.ok_or(...)?` to provide an error compatible with `Result<std::option::Option<Vec<u8>>, Error>`
[INFO] [stdout] ...   |
[INFO] [stdout] 184 | |         Ok(Some(buf))
[INFO] [stdout] 185 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<std::option::Option<Vec<u8>>, Error>`
[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]    --> /opt/rustwide/cargo-home/git/checkouts/mediawiki-rs-ccdb6ca811e3accb/d09bae7/src/lib.rs:166:53
[INFO] [stdout]     |
[INFO] [stdout] 159 | /     pub fn download_file(&self, name: &str) -> Result<Option<Vec<u8>>, Error> {
[INFO] [stdout] 160 | |         let mut request = self.request();
[INFO] [stdout] 161 | |         request.arg("action", "query");
[INFO] [stdout] 162 | |         request.arg("prop", "imageinfo");
[INFO] [stdout] ...   |
[INFO] [stdout] 166 | |         let images = json.get("query")?.get("pages")?;
[INFO] [stdout]     | |                                                     ^ use `.ok_or(...)?` to provide an error compatible with `Result<std::option::Option<Vec<u8>>, Error>`
[INFO] [stdout] ...   |
[INFO] [stdout] 184 | |         Ok(Some(buf))
[INFO] [stdout] 185 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<std::option::Option<Vec<u8>>, Error>`
[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]    --> /opt/rustwide/cargo-home/git/checkouts/mediawiki-rs-ccdb6ca811e3accb/d09bae7/src/lib.rs:167:39
[INFO] [stdout]     |
[INFO] [stdout] 159 | /     pub fn download_file(&self, name: &str) -> Result<Option<Vec<u8>>, Error> {
[INFO] [stdout] 160 | |         let mut request = self.request();
[INFO] [stdout] 161 | |         request.arg("action", "query");
[INFO] [stdout] 162 | |         request.arg("prop", "imageinfo");
[INFO] [stdout] ...   |
[INFO] [stdout] 167 | |         let image = images.as_object()?.values().next()?;
[INFO] [stdout]     | |                                       ^ use `.ok_or(...)?` to provide an error compatible with `Result<std::option::Option<Vec<u8>>, Error>`
[INFO] [stdout] ...   |
[INFO] [stdout] 184 | |         Ok(Some(buf))
[INFO] [stdout] 185 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<std::option::Option<Vec<u8>>, Error>`
[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]    --> /opt/rustwide/cargo-home/git/checkouts/mediawiki-rs-ccdb6ca811e3accb/d09bae7/src/lib.rs:167:56
[INFO] [stdout]     |
[INFO] [stdout] 159 | /     pub fn download_file(&self, name: &str) -> Result<Option<Vec<u8>>, Error> {
[INFO] [stdout] 160 | |         let mut request = self.request();
[INFO] [stdout] 161 | |         request.arg("action", "query");
[INFO] [stdout] 162 | |         request.arg("prop", "imageinfo");
[INFO] [stdout] ...   |
[INFO] [stdout] 167 | |         let image = images.as_object()?.values().next()?;
[INFO] [stdout]     | |                                                        ^ use `.ok_or(...)?` to provide an error compatible with `Result<std::option::Option<Vec<u8>>, Error>`
[INFO] [stdout] ...   |
[INFO] [stdout] 184 | |         Ok(Some(buf))
[INFO] [stdout] 185 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<std::option::Option<Vec<u8>>, Error>`
[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]    --> /opt/rustwide/cargo-home/git/checkouts/mediawiki-rs-ccdb6ca811e3accb/d09bae7/src/lib.rs:171:41
[INFO] [stdout]     |
[INFO] [stdout] 159 | /     pub fn download_file(&self, name: &str) -> Result<Option<Vec<u8>>, Error> {
[INFO] [stdout] 160 | |         let mut request = self.request();
[INFO] [stdout] 161 | |         request.arg("action", "query");
[INFO] [stdout] 162 | |         request.arg("prop", "imageinfo");
[INFO] [stdout] ...   |
[INFO] [stdout] 171 | |         let url = image.get("imageinfo")?.get(0)?.get("url")?.as_str()?;
[INFO] [stdout]     | |                                         ^ use `.ok_or(...)?` to provide an error compatible with `Result<std::option::Option<Vec<u8>>, Error>`
[INFO] [stdout] ...   |
[INFO] [stdout] 184 | |         Ok(Some(buf))
[INFO] [stdout] 185 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<std::option::Option<Vec<u8>>, Error>`
[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]    --> /opt/rustwide/cargo-home/git/checkouts/mediawiki-rs-ccdb6ca811e3accb/d09bae7/src/lib.rs:171:49
[INFO] [stdout]     |
[INFO] [stdout] 159 | /     pub fn download_file(&self, name: &str) -> Result<Option<Vec<u8>>, Error> {
[INFO] [stdout] 160 | |         let mut request = self.request();
[INFO] [stdout] 161 | |         request.arg("action", "query");
[INFO] [stdout] 162 | |         request.arg("prop", "imageinfo");
[INFO] [stdout] ...   |
[INFO] [stdout] 171 | |         let url = image.get("imageinfo")?.get(0)?.get("url")?.as_str()?;
[INFO] [stdout]     | |                                                 ^ use `.ok_or(...)?` to provide an error compatible with `Result<std::option::Option<Vec<u8>>, Error>`
[INFO] [stdout] ...   |
[INFO] [stdout] 184 | |         Ok(Some(buf))
[INFO] [stdout] 185 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<std::option::Option<Vec<u8>>, Error>`
[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]    --> /opt/rustwide/cargo-home/git/checkouts/mediawiki-rs-ccdb6ca811e3accb/d09bae7/src/lib.rs:171:61
[INFO] [stdout]     |
[INFO] [stdout] 159 | /     pub fn download_file(&self, name: &str) -> Result<Option<Vec<u8>>, Error> {
[INFO] [stdout] 160 | |         let mut request = self.request();
[INFO] [stdout] 161 | |         request.arg("action", "query");
[INFO] [stdout] 162 | |         request.arg("prop", "imageinfo");
[INFO] [stdout] ...   |
[INFO] [stdout] 171 | |         let url = image.get("imageinfo")?.get(0)?.get("url")?.as_str()?;
[INFO] [stdout]     | |                                                             ^ use `.ok_or(...)?` to provide an error compatible with `Result<std::option::Option<Vec<u8>>, Error>`
[INFO] [stdout] ...   |
[INFO] [stdout] 184 | |         Ok(Some(buf))
[INFO] [stdout] 185 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<std::option::Option<Vec<u8>>, Error>`
[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]    --> /opt/rustwide/cargo-home/git/checkouts/mediawiki-rs-ccdb6ca811e3accb/d09bae7/src/lib.rs:171:71
[INFO] [stdout]     |
[INFO] [stdout] 159 | /     pub fn download_file(&self, name: &str) -> Result<Option<Vec<u8>>, Error> {
[INFO] [stdout] 160 | |         let mut request = self.request();
[INFO] [stdout] 161 | |         request.arg("action", "query");
[INFO] [stdout] 162 | |         request.arg("prop", "imageinfo");
[INFO] [stdout] ...   |
[INFO] [stdout] 171 | |         let url = image.get("imageinfo")?.get(0)?.get("url")?.as_str()?;
[INFO] [stdout]     | |                                                                       ^ use `.ok_or(...)?` to provide an error compatible with `Result<std::option::Option<Vec<u8>>, Error>`
[INFO] [stdout] ...   |
[INFO] [stdout] 184 | |         Ok(Some(buf))
[INFO] [stdout] 185 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<std::option::Option<Vec<u8>>, Error>`
[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]    --> /opt/rustwide/cargo-home/git/checkouts/mediawiki-rs-ccdb6ca811e3accb/d09bae7/src/lib.rs:317:36
[INFO] [stdout]     |
[INFO] [stdout] 315 | /     fn fill(&mut self) -> Result<bool, Error> {
[INFO] [stdout] 316 | |         let json = self.req.get()?;
[INFO] [stdout] 317 | |         let buf = json.get("query")?.get(&self.list)?;
[INFO] [stdout]     | |                                    ^ use `.ok_or(...)?` to provide an error compatible with `Result<bool, Error>`
[INFO] [stdout] 318 | |         self.buf.clone_from(buf.as_array()?);
[INFO] [stdout] ...   |
[INFO] [stdout] 327 | |         }
[INFO] [stdout] 328 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<bool, Error>`
[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]    --> /opt/rustwide/cargo-home/git/checkouts/mediawiki-rs-ccdb6ca811e3accb/d09bae7/src/lib.rs:317:53
[INFO] [stdout]     |
[INFO] [stdout] 315 | /     fn fill(&mut self) -> Result<bool, Error> {
[INFO] [stdout] 316 | |         let json = self.req.get()?;
[INFO] [stdout] 317 | |         let buf = json.get("query")?.get(&self.list)?;
[INFO] [stdout]     | |                                                     ^ use `.ok_or(...)?` to provide an error compatible with `Result<bool, Error>`
[INFO] [stdout] 318 | |         self.buf.clone_from(buf.as_array()?);
[INFO] [stdout] ...   |
[INFO] [stdout] 327 | |         }
[INFO] [stdout] 328 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<bool, Error>`
[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]    --> /opt/rustwide/cargo-home/git/checkouts/mediawiki-rs-ccdb6ca811e3accb/d09bae7/src/lib.rs:318:43
[INFO] [stdout]     |
[INFO] [stdout] 315 | /     fn fill(&mut self) -> Result<bool, Error> {
[INFO] [stdout] 316 | |         let json = self.req.get()?;
[INFO] [stdout] 317 | |         let buf = json.get("query")?.get(&self.list)?;
[INFO] [stdout] 318 | |         self.buf.clone_from(buf.as_array()?);
[INFO] [stdout]     | |                                           ^ use `.ok_or(...)?` to provide an error compatible with `Result<bool, Error>`
[INFO] [stdout] ...   |
[INFO] [stdout] 327 | |         }
[INFO] [stdout] 328 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<bool, Error>`
[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]    --> /opt/rustwide/cargo-home/git/checkouts/mediawiki-rs-ccdb6ca811e3accb/d09bae7/src/lib.rs:321:47
[INFO] [stdout]     |
[INFO] [stdout] 315 | /     fn fill(&mut self) -> Result<bool, Error> {
[INFO] [stdout] 316 | |         let json = self.req.get()?;
[INFO] [stdout] 317 | |         let buf = json.get("query")?.get(&self.list)?;
[INFO] [stdout] 318 | |         self.buf.clone_from(buf.as_array()?);
[INFO] [stdout] ...   |
[INFO] [stdout] 321 | |             for (key, val) in cont.as_object()? {
[INFO] [stdout]     | |                                               ^ use `.ok_or(...)?` to provide an error compatible with `Result<bool, Error>`
[INFO] [stdout] ...   |
[INFO] [stdout] 327 | |         }
[INFO] [stdout] 328 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<bool, Error>`
[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]    --> /opt/rustwide/cargo-home/git/checkouts/mediawiki-rs-ccdb6ca811e3accb/d09bae7/src/lib.rs:322:50
[INFO] [stdout]     |
[INFO] [stdout] 315 | /     fn fill(&mut self) -> Result<bool, Error> {
[INFO] [stdout] 316 | |         let json = self.req.get()?;
[INFO] [stdout] 317 | |         let buf = json.get("query")?.get(&self.list)?;
[INFO] [stdout] 318 | |         self.buf.clone_from(buf.as_array()?);
[INFO] [stdout] ...   |
[INFO] [stdout] 322 | |                 self.req.arg(&**key, val.as_str()?);
[INFO] [stdout]     | |                                                  ^ use `.ok_or(...)?` to provide an error compatible with `Result<bool, Error>`
[INFO] [stdout] ...   |
[INFO] [stdout] 327 | |         }
[INFO] [stdout] 328 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<bool, Error>`
[INFO] [stdout]     = note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 21 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mediawiki`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3fc2a4a3cd1de157032248a313ffb3fd613e4a92034b2c32d94dbf5793db4833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fc2a4a3cd1de157032248a313ffb3fd613e4a92034b2c32d94dbf5793db4833", kill_on_drop: false }`
[INFO] [stdout] 3fc2a4a3cd1de157032248a313ffb3fd613e4a92034b2c32d94dbf5793db4833