[INFO] fetching crate unjson 0.0.5...
[INFO] checking unjson-0.0.5 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate unjson 0.0.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate unjson 0.0.5 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unjson 0.0.5
[INFO] finished tweaking crates.io crate unjson 0.0.5
[INFO] tweaked toml for crates.io crate unjson 0.0.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e09cd39cb8dff1d2e0ec41ef1ace95a4e4bbbd1e455dbf7605cc0a277778ce40
[INFO] running `Command { std: "docker" "start" "-a" "e09cd39cb8dff1d2e0ec41ef1ace95a4e4bbbd1e455dbf7605cc0a277778ce40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e09cd39cb8dff1d2e0ec41ef1ace95a4e4bbbd1e455dbf7605cc0a277778ce40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e09cd39cb8dff1d2e0ec41ef1ace95a4e4bbbd1e455dbf7605cc0a277778ce40", kill_on_drop: false }`
[INFO] [stdout] e09cd39cb8dff1d2e0ec41ef1ace95a4e4bbbd1e455dbf7605cc0a277778ce40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e082d5e272b588284acb642c9c61c55ec791fc1fdce2aa2a44fe0da0e5f05ac3
[INFO] running `Command { std: "docker" "start" "-a" "e082d5e272b588284acb642c9c61c55ec791fc1fdce2aa2a44fe0da0e5f05ac3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking serde v0.7.15
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking serde_json v0.7.4
[INFO] [stderr]     Checking unjson v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/unjson.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn ok_type(self, &'static str, Ty) -> Result<T>;
[INFO] [stdout]   |                      ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/unjson.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn ok_type(self, &'static str, Ty) -> Result<T>;
[INFO] [stdout]   |                                    ^^ help: try naming the parameter or explicitly ignoring it: `_: Ty`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:256:25
[INFO] [stdout]     |
[INFO] [stdout] 256 |     fn get_field(&self, &'static str) -> Result<&Value>;
[INFO] [stdout]     |                         ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:258:26
[INFO] [stdout]     |
[INFO] [stdout] 258 |     fn get_string(&self, &'static str) -> Result<&str>;
[INFO] [stdout]     |                          ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:259:30
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn get_string_opt(&self, &'static str) -> Result<Option<&str>>;
[INFO] [stdout]     |                              ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:261:25
[INFO] [stdout]     |
[INFO] [stdout] 261 |     fn get_array(&self, &'static str) -> Result<&Array>;
[INFO] [stdout]     |                         ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:262:29
[INFO] [stdout]     |
[INFO] [stdout] 262 |     fn get_array_opt(&self, &'static str) -> Result<Option<&Array>>;
[INFO] [stdout]     |                             ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:264:26
[INFO] [stdout]     |
[INFO] [stdout] 264 |     fn get_object(&self, &'static str) -> Result<&Object>;
[INFO] [stdout]     |                          ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:265:30
[INFO] [stdout]     |
[INFO] [stdout] 265 |     fn get_object_opt(&self, &'static str) -> Result<Option<&Object>>;
[INFO] [stdout]     |                              ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:267:24
[INFO] [stdout]     |
[INFO] [stdout] 267 |     fn get_bool(&self, &'static str) -> Result<bool>;
[INFO] [stdout]     |                        ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:268:28
[INFO] [stdout]     |
[INFO] [stdout] 268 |     fn get_bool_opt(&self, &'static str) -> Result<Option<bool>>;
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:270:23
[INFO] [stdout]     |
[INFO] [stdout] 270 |     fn get_i64(&self, &'static str) -> Result<i64>;
[INFO] [stdout]     |                       ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:271:27
[INFO] [stdout]     |
[INFO] [stdout] 271 |     fn get_i64_opt(&self, &'static str) -> Result<Option<i64>>;
[INFO] [stdout]     |                           ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:273:23
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn get_u64(&self, &'static str) -> Result<u64>;
[INFO] [stdout]     |                       ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:274:27
[INFO] [stdout]     |
[INFO] [stdout] 274 |     fn get_u64_opt(&self, &'static str) -> Result<Option<u64>>;
[INFO] [stdout]     |                           ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:276:23
[INFO] [stdout]     |
[INFO] [stdout] 276 |     fn get_f64(&self, &'static str) -> Result<f64>;
[INFO] [stdout]     |                       ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:277:27
[INFO] [stdout]     |
[INFO] [stdout] 277 |     fn get_f64_opt(&self, &'static str) -> Result<Option<f64>>;
[INFO] [stdout]     |                           ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:279:26
[INFO] [stdout]     |
[INFO] [stdout] 279 |     fn get_number(&self, &'static str) -> Result<f64>;
[INFO] [stdout]     |                          ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:280:30
[INFO] [stdout]     |
[INFO] [stdout] 280 |     fn get_number_opt(&self, &'static str) -> Result<Option<f64>>;
[INFO] [stdout]     |                              ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:361:33
[INFO] [stdout]     |
[INFO] [stdout] 361 |     fn extract_field(&mut self, &'static str) -> Result<Value>;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:363:34
[INFO] [stdout]     |
[INFO] [stdout] 363 |     fn extract_string(&mut self, &'static str) -> Result<String>;
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:364:38
[INFO] [stdout]     |
[INFO] [stdout] 364 |     fn extract_string_opt(&mut self, &'static str) -> Result<Option<String>>;
[INFO] [stdout]     |                                      ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:366:33
[INFO] [stdout]     |
[INFO] [stdout] 366 |     fn extract_array(&mut self, &'static str) -> Result<Array>;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:367:37
[INFO] [stdout]     |
[INFO] [stdout] 367 |     fn extract_array_opt(&mut self, &'static str) -> Result<Option<Array>>;
[INFO] [stdout]     |                                     ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:369:34
[INFO] [stdout]     |
[INFO] [stdout] 369 |     fn extract_object(&mut self, &'static str) -> Result<Object>;
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:370:38
[INFO] [stdout]     |
[INFO] [stdout] 370 |     fn extract_object_opt(&mut self, &'static str) -> Result<Option<Object>>;
[INFO] [stdout]     |                                      ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:372:32
[INFO] [stdout]     |
[INFO] [stdout] 372 |     fn extract_bool(&mut self, &'static str) -> Result<bool>;
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:373:36
[INFO] [stdout]     |
[INFO] [stdout] 373 |     fn extract_bool_opt(&mut self, &'static str) -> Result<Option<bool>>;
[INFO] [stdout]     |                                    ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:375:31
[INFO] [stdout]     |
[INFO] [stdout] 375 |     fn extract_i64(&mut self, &'static str) -> Result<i64>;
[INFO] [stdout]     |                               ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:376:35
[INFO] [stdout]     |
[INFO] [stdout] 376 |     fn extract_i64_opt(&mut self, &'static str) -> Result<Option<i64>>;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:378:31
[INFO] [stdout]     |
[INFO] [stdout] 378 |     fn extract_u64(&mut self, &'static str) -> Result<u64>;
[INFO] [stdout]     |                               ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:379:35
[INFO] [stdout]     |
[INFO] [stdout] 379 |     fn extract_u64_opt(&mut self, &'static str) -> Result<Option<u64>>;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:381:31
[INFO] [stdout]     |
[INFO] [stdout] 381 |     fn extract_f64(&mut self, &'static str) -> Result<f64>;
[INFO] [stdout]     |                               ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:382:35
[INFO] [stdout]     |
[INFO] [stdout] 382 |     fn extract_f64_opt(&mut self, &'static str) -> Result<Option<f64>>;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:384:34
[INFO] [stdout]     |
[INFO] [stdout] 384 |     fn extract_number(&mut self, &'static str) -> Result<f64>;
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:385:38
[INFO] [stdout]     |
[INFO] [stdout] 385 |     fn extract_number_opt(&mut self, &'static str) -> Result<Option<f64>>;
[INFO] [stdout]     |                                      ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/unjson.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn ok_type(self, &'static str, Ty) -> Result<T>;
[INFO] [stdout]   |                      ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/unjson.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn ok_type(self, &'static str, Ty) -> Result<T>;
[INFO] [stdout]   |                                    ^^ help: try naming the parameter or explicitly ignoring it: `_: Ty`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:256:25
[INFO] [stdout]     |
[INFO] [stdout] 256 |     fn get_field(&self, &'static str) -> Result<&Value>;
[INFO] [stdout]     |                         ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:258:26
[INFO] [stdout]     |
[INFO] [stdout] 258 |     fn get_string(&self, &'static str) -> Result<&str>;
[INFO] [stdout]     |                          ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:259:30
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn get_string_opt(&self, &'static str) -> Result<Option<&str>>;
[INFO] [stdout]     |                              ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:261:25
[INFO] [stdout]     |
[INFO] [stdout] 261 |     fn get_array(&self, &'static str) -> Result<&Array>;
[INFO] [stdout]     |                         ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:262:29
[INFO] [stdout]     |
[INFO] [stdout] 262 |     fn get_array_opt(&self, &'static str) -> Result<Option<&Array>>;
[INFO] [stdout]     |                             ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:264:26
[INFO] [stdout]     |
[INFO] [stdout] 264 |     fn get_object(&self, &'static str) -> Result<&Object>;
[INFO] [stdout]     |                          ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:265:30
[INFO] [stdout]     |
[INFO] [stdout] 265 |     fn get_object_opt(&self, &'static str) -> Result<Option<&Object>>;
[INFO] [stdout]     |                              ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:267:24
[INFO] [stdout]     |
[INFO] [stdout] 267 |     fn get_bool(&self, &'static str) -> Result<bool>;
[INFO] [stdout]     |                        ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:268:28
[INFO] [stdout]     |
[INFO] [stdout] 268 |     fn get_bool_opt(&self, &'static str) -> Result<Option<bool>>;
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:270:23
[INFO] [stdout]     |
[INFO] [stdout] 270 |     fn get_i64(&self, &'static str) -> Result<i64>;
[INFO] [stdout]     |                       ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:271:27
[INFO] [stdout]     |
[INFO] [stdout] 271 |     fn get_i64_opt(&self, &'static str) -> Result<Option<i64>>;
[INFO] [stdout]     |                           ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:273:23
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn get_u64(&self, &'static str) -> Result<u64>;
[INFO] [stdout]     |                       ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:274:27
[INFO] [stdout]     |
[INFO] [stdout] 274 |     fn get_u64_opt(&self, &'static str) -> Result<Option<u64>>;
[INFO] [stdout]     |                           ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:276:23
[INFO] [stdout]     |
[INFO] [stdout] 276 |     fn get_f64(&self, &'static str) -> Result<f64>;
[INFO] [stdout]     |                       ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:277:27
[INFO] [stdout]     |
[INFO] [stdout] 277 |     fn get_f64_opt(&self, &'static str) -> Result<Option<f64>>;
[INFO] [stdout]     |                           ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:279:26
[INFO] [stdout]     |
[INFO] [stdout] 279 |     fn get_number(&self, &'static str) -> Result<f64>;
[INFO] [stdout]     |                          ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:280:30
[INFO] [stdout]     |
[INFO] [stdout] 280 |     fn get_number_opt(&self, &'static str) -> Result<Option<f64>>;
[INFO] [stdout]     |                              ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:361:33
[INFO] [stdout]     |
[INFO] [stdout] 361 |     fn extract_field(&mut self, &'static str) -> Result<Value>;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:363:34
[INFO] [stdout]     |
[INFO] [stdout] 363 |     fn extract_string(&mut self, &'static str) -> Result<String>;
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:364:38
[INFO] [stdout]     |
[INFO] [stdout] 364 |     fn extract_string_opt(&mut self, &'static str) -> Result<Option<String>>;
[INFO] [stdout]     |                                      ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:366:33
[INFO] [stdout]     |
[INFO] [stdout] 366 |     fn extract_array(&mut self, &'static str) -> Result<Array>;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:367:37
[INFO] [stdout]     |
[INFO] [stdout] 367 |     fn extract_array_opt(&mut self, &'static str) -> Result<Option<Array>>;
[INFO] [stdout]     |                                     ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:369:34
[INFO] [stdout]     |
[INFO] [stdout] 369 |     fn extract_object(&mut self, &'static str) -> Result<Object>;
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:370:38
[INFO] [stdout]     |
[INFO] [stdout] 370 |     fn extract_object_opt(&mut self, &'static str) -> Result<Option<Object>>;
[INFO] [stdout]     |                                      ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:372:32
[INFO] [stdout]     |
[INFO] [stdout] 372 |     fn extract_bool(&mut self, &'static str) -> Result<bool>;
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:373:36
[INFO] [stdout]     |
[INFO] [stdout] 373 |     fn extract_bool_opt(&mut self, &'static str) -> Result<Option<bool>>;
[INFO] [stdout]     |                                    ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:375:31
[INFO] [stdout]     |
[INFO] [stdout] 375 |     fn extract_i64(&mut self, &'static str) -> Result<i64>;
[INFO] [stdout]     |                               ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:376:35
[INFO] [stdout]     |
[INFO] [stdout] 376 |     fn extract_i64_opt(&mut self, &'static str) -> Result<Option<i64>>;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:378:31
[INFO] [stdout]     |
[INFO] [stdout] 378 |     fn extract_u64(&mut self, &'static str) -> Result<u64>;
[INFO] [stdout]     |                               ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:379:35
[INFO] [stdout]     |
[INFO] [stdout] 379 |     fn extract_u64_opt(&mut self, &'static str) -> Result<Option<u64>>;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:381:31
[INFO] [stdout]     |
[INFO] [stdout] 381 |     fn extract_f64(&mut self, &'static str) -> Result<f64>;
[INFO] [stdout]     |                               ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:382:35
[INFO] [stdout]     |
[INFO] [stdout] 382 |     fn extract_f64_opt(&mut self, &'static str) -> Result<Option<f64>>;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:384:34
[INFO] [stdout]     |
[INFO] [stdout] 384 |     fn extract_number(&mut self, &'static str) -> Result<f64>;
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/unjson.rs:385:38
[INFO] [stdout]     |
[INFO] [stdout] 385 |     fn extract_number_opt(&mut self, &'static str) -> Result<Option<f64>>;
[INFO] [stdout]     |                                      ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'static str`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.23s
[INFO] running `Command { std: "docker" "inspect" "e082d5e272b588284acb642c9c61c55ec791fc1fdce2aa2a44fe0da0e5f05ac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e082d5e272b588284acb642c9c61c55ec791fc1fdce2aa2a44fe0da0e5f05ac3", kill_on_drop: false }`
[INFO] [stdout] e082d5e272b588284acb642c9c61c55ec791fc1fdce2aa2a44fe0da0e5f05ac3