[INFO] crate tokkit 0.15.3 is already in cache
[INFO] extracting crate tokkit 0.15.3 into work/ex/clippy-test-run/sources/stable/reg/tokkit/0.15.3
[INFO] extracting crate tokkit 0.15.3 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tokkit/0.15.3
[INFO] validating manifest of tokkit-0.15.3 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tokkit-0.15.3 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tokkit-0.15.3
[INFO] finished frobbing tokkit-0.15.3
[INFO] frobbed toml for tokkit-0.15.3 written to work/ex/clippy-test-run/sources/stable/reg/tokkit/0.15.3/Cargo.toml
[INFO] started frobbing tokkit-0.15.3
[INFO] finished frobbing tokkit-0.15.3
[INFO] frobbed toml for tokkit-0.15.3 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tokkit/0.15.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting tokkit-0.15.3 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/tokkit/0.15.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 314d73e5d379b32f28f509e4712fddee3064869eb1a7694b84caa45b68a61b5a
[INFO] running `"docker" "start" "-a" "314d73e5d379b32f28f509e4712fddee3064869eb1a7694b84caa45b68a61b5a"`
[INFO] [stderr]     Checking backoff v0.1.2
[INFO] [stderr]     Checking h2 v0.1.16
[INFO] [stderr]     Checking uuid v0.7.2
[INFO] [stderr]     Checking tokio v0.1.15
[INFO] [stderr]     Checking hyper v0.12.23
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.9
[INFO] [stderr]     Checking tokkit v0.15.3 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/client.rs:213:13
[INFO] [stderr]     |
[INFO] [stderr] 213 |             query_parameter: query_parameter,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `query_parameter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/client.rs:214:13
[INFO] [stderr]     |
[INFO] [stderr] 214 |             fallback_endpoint: fallback_endpoint,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `fallback_endpoint`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/error.rs:53:26
[INFO] [stderr]    |
[INFO] [stderr] 53 |         TokenInfoError { inner: inner }
[INFO] [stderr]    |                          ^^^^^^^^^^^^ help: replace it with: `inner`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parsers.rs:350:17
[INFO] [stderr]     |
[INFO] [stderr] 350 |                 active: active,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: replace it with: `active`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parsers.rs:351:17
[INFO] [stderr]     |
[INFO] [stderr] 351 |                 user_id: user_id,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^ help: replace it with: `user_id`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parsers.rs:352:17
[INFO] [stderr]     |
[INFO] [stderr] 352 |                 scope: scope,
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: replace it with: `scope`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/token_manager/error.rs:38:22
[INFO] [stderr]    |
[INFO] [stderr] 38 |         TokenError { inner: inner }
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: replace it with: `inner`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/token_manager/token_provider/mod.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |             full_endpoint_url: full_endpoint_url,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `full_endpoint_url`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/token_manager/token_provider/mod.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |             client: client,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `client`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/token_manager/mod.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |             token_id: token_id,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `token_id`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/token_manager/mod.rs:243:13
[INFO] [stderr]     |
[INFO] [stderr] 243 |             token_provider: token_provider,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `token_provider`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/client.rs:213:13
[INFO] [stderr]     |
[INFO] [stderr] 213 |             query_parameter: query_parameter,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `query_parameter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/client.rs:214:13
[INFO] [stderr]     |
[INFO] [stderr] 214 |             fallback_endpoint: fallback_endpoint,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `fallback_endpoint`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/error.rs:53:26
[INFO] [stderr]    |
[INFO] [stderr] 53 |         TokenInfoError { inner: inner }
[INFO] [stderr]    |                          ^^^^^^^^^^^^ help: replace it with: `inner`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parsers.rs:350:17
[INFO] [stderr]     |
[INFO] [stderr] 350 |                 active: active,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: replace it with: `active`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parsers.rs:351:17
[INFO] [stderr]     |
[INFO] [stderr] 351 |                 user_id: user_id,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^ help: replace it with: `user_id`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parsers.rs:352:17
[INFO] [stderr]     |
[INFO] [stderr] 352 |                 scope: scope,
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: replace it with: `scope`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/token_manager/error.rs:38:22
[INFO] [stderr]    |
[INFO] [stderr] 38 |         TokenError { inner: inner }
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: replace it with: `inner`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/token_manager/token_provider/mod.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |             full_endpoint_url: full_endpoint_url,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `full_endpoint_url`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/token_manager/token_provider/mod.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |             client: client,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `client`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/token_manager/mod.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |             token_id: token_id,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `token_id`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/token_manager/mod.rs:243:13
[INFO] [stderr]     |
[INFO] [stderr] 243 |             token_provider: token_provider,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `token_provider`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/client.rs:344:12
[INFO] [stderr]     |
[INFO] [stderr] 344 |       } else {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 345 | |         if !url_prefix.ends_with('/') {
[INFO] [stderr] 346 | |             url_prefix.push('/');
[INFO] [stderr] 347 | |         }
[INFO] [stderr] 348 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 344 |     } else if !url_prefix.ends_with('/') {
[INFO] [stderr] 345 |     url_prefix.push('/');
[INFO] [stderr] 346 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/client.rs:465:9
[INFO] [stderr]     |
[INFO] [stderr] 465 | /         return Err(TokenInfoErrorKind::NotAuthenticated(format!(
[INFO] [stderr] 466 | |             "The server refused the token: {}",
[INFO] [stderr] 467 | |             msg
[INFO] [stderr] 468 | |         )).into());
[INFO] [stderr]     | |___________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 465 |         Err(TokenInfoErrorKind::NotAuthenticated(format!(
[INFO] [stderr] 466 |             "The server refused the token: {}",
[INFO] [stderr] 467 |             msg
[INFO] [stderr] 468 |         )).into())
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/client.rs:471:9
[INFO] [stderr]     |
[INFO] [stderr] 471 |         return Err(TokenInfoErrorKind::Client(msg.to_string()).into());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(TokenInfoErrorKind::Client(msg.to_string()).into())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/client.rs:474:9
[INFO] [stderr]     |
[INFO] [stderr] 474 |         return Err(TokenInfoErrorKind::Server(msg.to_string()).into());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(TokenInfoErrorKind::Server(msg.to_string()).into())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/client.rs:477:9
[INFO] [stderr]     |
[INFO] [stderr] 477 |         return Err(TokenInfoErrorKind::Other(msg.to_string()).into());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(TokenInfoErrorKind::Other(msg.to_string()).into())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/token_manager/internals/mod.rs:132:34
[INFO] [stderr]     |
[INFO] [stderr] 132 |                 &Err(ref err) => return Err(err.clone().into()),
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(err.clone().into())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/token_manager/internals/mod.rs:134:21
[INFO] [stderr]     |
[INFO] [stderr] 134 |             None => return Err(TokenErrorKind::NoToken(token_id.to_string()).into()),
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(TokenErrorKind::NoToken(token_id.to_string()).into())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/token_manager/mod.rs:381:34
[INFO] [stderr]     |
[INFO] [stderr] 381 |                 &Err(ref err) => return Err(err.clone().into()),
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(err.clone().into())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/token_manager/mod.rs:456:34
[INFO] [stderr]     |
[INFO] [stderr] 456 |                 &Err(ref err) => return Err(err.clone().into()),
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(err.clone().into())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/token_manager/mod.rs:458:21
[INFO] [stderr]     |
[INFO] [stderr] 458 |             None => return Err(TokenErrorKind::NoToken(token_id.to_string()).into()),
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(TokenErrorKind::NoToken(token_id.to_string()).into())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/client.rs:344:12
[INFO] [stderr]     |
[INFO] [stderr] 344 |       } else {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 345 | |         if !url_prefix.ends_with('/') {
[INFO] [stderr] 346 | |             url_prefix.push('/');
[INFO] [stderr] 347 | |         }
[INFO] [stderr] 348 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 344 |     } else if !url_prefix.ends_with('/') {
[INFO] [stderr] 345 |     url_prefix.push('/');
[INFO] [stderr] 346 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/client.rs:465:9
[INFO] [stderr]     |
[INFO] [stderr] 465 | /         return Err(TokenInfoErrorKind::NotAuthenticated(format!(
[INFO] [stderr] 466 | |             "The server refused the token: {}",
[INFO] [stderr] 467 | |             msg
[INFO] [stderr] 468 | |         )).into());
[INFO] [stderr]     | |___________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 465 |         Err(TokenInfoErrorKind::NotAuthenticated(format!(
[INFO] [stderr] 466 |             "The server refused the token: {}",
[INFO] [stderr] 467 |             msg
[INFO] [stderr] 468 |         )).into())
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/client.rs:471:9
[INFO] [stderr]     |
[INFO] [stderr] 471 |         return Err(TokenInfoErrorKind::Client(msg.to_string()).into());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(TokenInfoErrorKind::Client(msg.to_string()).into())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/client.rs:474:9
[INFO] [stderr]     |
[INFO] [stderr] 474 |         return Err(TokenInfoErrorKind::Server(msg.to_string()).into());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(TokenInfoErrorKind::Server(msg.to_string()).into())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/client.rs:477:9
[INFO] [stderr]     |
[INFO] [stderr] 477 |         return Err(TokenInfoErrorKind::Other(msg.to_string()).into());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(TokenInfoErrorKind::Other(msg.to_string()).into())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/token_manager/internals/mod.rs:132:34
[INFO] [stderr]     |
[INFO] [stderr] 132 |                 &Err(ref err) => return Err(err.clone().into()),
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(err.clone().into())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/token_manager/internals/mod.rs:134:21
[INFO] [stderr]     |
[INFO] [stderr] 134 |             None => return Err(TokenErrorKind::NoToken(token_id.to_string()).into()),
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(TokenErrorKind::NoToken(token_id.to_string()).into())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/token_manager/mod.rs:381:34
[INFO] [stderr]     |
[INFO] [stderr] 381 |                 &Err(ref err) => return Err(err.clone().into()),
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(err.clone().into())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/token_manager/mod.rs:456:34
[INFO] [stderr]     |
[INFO] [stderr] 456 |                 &Err(ref err) => return Err(err.clone().into()),
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(err.clone().into())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/token_manager/mod.rs:458:21
[INFO] [stderr]     |
[INFO] [stderr] 458 |             None => return Err(TokenErrorKind::NoToken(token_id.to_string()).into()),
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(TokenErrorKind::NoToken(token_id.to_string()).into())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/client.rs:313:22
[INFO] [stderr]     |
[INFO] [stderr] 313 |             .map_err(|err| InitializationError(err))?;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `InitializationError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/client.rs:318:30
[INFO] [stderr]     |
[INFO] [stderr] 318 |                     .map_err(|err| InitializationError(err))?,
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `InitializationError`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/client.rs:327:58
[INFO] [stderr]     |
[INFO] [stderr] 327 |             fallback_url_prefix: fallback_url_prefix.map(|fb| Arc::new(fb)),
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Arc::new`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/client.rs:339:5
[INFO] [stderr]     |
[INFO] [stderr] 339 | /     if let &Some(query_parameter) = query_parameter {
[INFO] [stderr] 340 | |         if url_prefix.ends_with('/') {
[INFO] [stderr] 341 | |             url_prefix.pop();
[INFO] [stderr] 342 | |         }
[INFO] [stderr] ...   |
[INFO] [stderr] 347 | |         }
[INFO] [stderr] 348 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 339 |     if let Some(query_parameter) = *query_parameter {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/client.rs:395:14
[INFO] [stderr]     |
[INFO] [stderr] 395 |             .unwrap_or(Err(err)),
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Err(err))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/parsers.rs:366:21
[INFO] [stderr]     |
[INFO] [stderr] 366 |         .filter(|s| s.len() > 0)
[INFO] [stderr]     |                     ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!s.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/token_manager/internals/token_updater.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |     tokens: &'a BTreeMap<T, (usize, Mutex<StdResult<AccessToken, TokenErrorKind>>)>,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/token_manager/internals/token_updater.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |         tokens: &'a BTreeMap<T, (usize, Mutex<StdResult<AccessToken, TokenErrorKind>>)>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: statement can be reduced
[INFO] [stderr]    --> src/token_manager/internals/token_updater.rs:156:5
[INFO] [stderr]     |
[INFO] [stderr] 156 | /     {
[INFO] [stderr] 157 | |         *token.lock().unwrap() = Ok(rsp.access_token)
[INFO] [stderr] 158 | |     };
[INFO] [stderr]     | |______^ help: replace it with: `*token.lock().unwrap() = Ok(rsp.access_token);`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_operation)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_operation
[INFO] [stderr] 
[INFO] [stderr] warning: statement can be reduced
[INFO] [stderr]    --> src/token_manager/internals/token_updater.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 | /     {
[INFO] [stderr] 185 | |         *token.lock().unwrap() = Err(TokenErrorKind::AccessTokenProvider(err.to_string()))
[INFO] [stderr] 186 | |     };
[INFO] [stderr]     | |______^ help: replace it with: `*token.lock().unwrap() = Err(TokenErrorKind::AccessTokenProvider(err.to_string()));`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_operation
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/token_manager/internals/mod.rs:123:17
[INFO] [stderr]     |
[INFO] [stderr] 123 |     pub tokens: Arc<BTreeMap<T, (usize, Mutex<StdResult<AccessToken, TokenErrorKind>>)>>,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/token_manager/internals/mod.rs:130:38
[INFO] [stderr]     |
[INFO] [stderr] 130 |               Some(&(_, ref guard)) => match &*guard.lock().unwrap() {
[INFO] [stderr]     |  ______________________________________^
[INFO] [stderr] 131 | |                 &Ok(ref token) => Ok(token.clone()),
[INFO] [stderr] 132 | |                 &Err(ref err) => return Err(err.clone().into()),
[INFO] [stderr] 133 | |             },
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 130 |             Some(&(_, ref guard)) => match *guard.lock().unwrap() {
[INFO] [stderr] 131 |                 Ok(ref token) => Ok(token.clone()),
[INFO] [stderr] 132 |                 Err(ref err) => return Err(err.clone().into()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/token_manager/internals/mod.rs:229:28
[INFO] [stderr]     |
[INFO] [stderr] 229 |     (d.as_secs() * 1000) + (d.subsec_nanos() / 1_000_000) as u64
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(d.subsec_nanos() / 1_000_000)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: Calling `subsec_millis()` is more concise than this calculation
[INFO] [stderr]    --> src/token_manager/internals/mod.rs:229:28
[INFO] [stderr]     |
[INFO] [stderr] 229 |     (d.as_secs() * 1000) + (d.subsec_nanos() / 1_000_000) as u64
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `d.subsec_millis()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::duration_subsec)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/token_manager/token_provider/credentials/mod.rs:206:66
[INFO] [stderr]     |
[INFO] [stderr] 206 |         let credentials_dir = credentials_dir_from_env().map_err(|msg| InitializationError(msg))?;
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `InitializationError`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/token_manager/token_provider/mod.rs:89:24
[INFO] [stderr]    |
[INFO] [stderr] 89 |             Ok(url) => url.into(),
[INFO] [stderr]    |                        ^^^^^^^^^^ help: consider removing `.into()`: `url`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/token_manager/token_provider/mod.rs:99:31
[INFO] [stderr]    |
[INFO] [stderr] 99 |             Ok(realm) => Some(realm.into()),
[INFO] [stderr]    |                               ^^^^^^^^^^^^ help: consider removing `.into()`: `realm`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/token_manager/token_provider/mod.rs:128:18
[INFO] [stderr]     |
[INFO] [stderr] 128 |     let status = rsp.status().clone();
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `rsp.status()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/token_manager/mod.rs:96:21
[INFO] [stderr]    |
[INFO] [stderr] 96 |         .filter(|s| s.len() > 0)
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!s.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/token_manager/mod.rs:305:13
[INFO] [stderr]     |
[INFO] [stderr] 305 |     tokens: Arc<BTreeMap<T, (usize, Mutex<StdResult<AccessToken, TokenErrorKind>>)>>,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/token_manager/mod.rs:361:49
[INFO] [stderr]     |
[INFO] [stderr] 361 |         for (i, &(ref id, ref token)) in tokens.into_iter().enumerate() {
[INFO] [stderr]     |                                                 ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/token_manager/mod.rs:379:38
[INFO] [stderr]     |
[INFO] [stderr] 379 |               Some(&(_, ref guard)) => match &*guard.lock().unwrap() {
[INFO] [stderr]     |  ______________________________________^
[INFO] [stderr] 380 | |                 &Ok(ref token) => Ok(token.clone()),
[INFO] [stderr] 381 | |                 &Err(ref err) => return Err(err.clone().into()),
[INFO] [stderr] 382 | |             },
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 379 |             Some(&(_, ref guard)) => match *guard.lock().unwrap() {
[INFO] [stderr] 380 |                 Ok(ref token) => Ok(token.clone()),
[INFO] [stderr] 381 |                 Err(ref err) => return Err(err.clone().into()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/token_manager/mod.rs:403:13
[INFO] [stderr]     |
[INFO] [stderr] 403 |     tokens: Arc<BTreeMap<T, (usize, Mutex<StdResult<AccessToken, TokenErrorKind>>)>>,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/token_manager/mod.rs:436:49
[INFO] [stderr]     |
[INFO] [stderr] 436 |         for (i, &(ref id, ref token)) in tokens.into_iter().enumerate() {
[INFO] [stderr]     |                                                 ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/token_manager/mod.rs:454:38
[INFO] [stderr]     |
[INFO] [stderr] 454 |               Some(&(_, ref guard)) => match &*guard.lock().unwrap() {
[INFO] [stderr]     |  ______________________________________^
[INFO] [stderr] 455 | |                 &Ok(ref token) => Ok(token.clone()),
[INFO] [stderr] 456 | |                 &Err(ref err) => return Err(err.clone().into()),
[INFO] [stderr] 457 | |             },
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 454 |             Some(&(_, ref guard)) => match *guard.lock().unwrap() {
[INFO] [stderr] 455 |                 Ok(ref token) => Ok(token.clone()),
[INFO] [stderr] 456 |                 Err(ref err) => return Err(err.clone().into()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`.
[INFO] [stderr]    --> src/lib.rs:226:9
[INFO] [stderr]     |
[INFO] [stderr] 226 |         self.scope.iter().find(|&s| s == scope).is_some()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::search_is_some)] on by default
[INFO] [stderr]     = note: replace `find(|&s| s == scope).is_some()` with `any(|&s| s == scope)`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#search_is_some
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/client.rs:313:22
[INFO] [stderr]     |
[INFO] [stderr] 313 |             .map_err(|err| InitializationError(err))?;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `InitializationError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/client.rs:318:30
[INFO] [stderr]     |
[INFO] [stderr] 318 |                     .map_err(|err| InitializationError(err))?,
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `InitializationError`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/client.rs:327:58
[INFO] [stderr]     |
[INFO] [stderr] 327 |             fallback_url_prefix: fallback_url_prefix.map(|fb| Arc::new(fb)),
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Arc::new`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/client.rs:339:5
[INFO] [stderr]     |
[INFO] [stderr] 339 | /     if let &Some(query_parameter) = query_parameter {
[INFO] [stderr] 340 | |         if url_prefix.ends_with('/') {
[INFO] [stderr] 341 | |             url_prefix.pop();
[INFO] [stderr] 342 | |         }
[INFO] [stderr] ...   |
[INFO] [stderr] 347 | |         }
[INFO] [stderr] 348 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 339 |     if let Some(query_parameter) = *query_parameter {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/client.rs:395:14
[INFO] [stderr]     |
[INFO] [stderr] 395 |             .unwrap_or(Err(err)),
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Err(err))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/parsers.rs:366:21
[INFO] [stderr]     |
[INFO] [stderr] 366 |         .filter(|s| s.len() > 0)
[INFO] [stderr]     |                     ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!s.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/token_manager/internals/request_scheduler.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 |         assert_eq!(0.75, row.refresh_threshold);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/token_manager/internals/request_scheduler.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 |         assert_eq!(0.75, row.refresh_threshold);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/token_manager/internals/request_scheduler.rs:223:9
[INFO] [stderr]     |
[INFO] [stderr] 223 |         assert_eq!(0.85, row.warning_threshold);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/token_manager/internals/request_scheduler.rs:223:9
[INFO] [stderr]     |
[INFO] [stderr] 223 |         assert_eq!(0.85, row.warning_threshold);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 112
[INFO] [stderr]    --> src/token_manager/internals/request_scheduler.rs:283:5
[INFO] [stderr]     |
[INFO] [stderr] 283 | /     fn scheduler_workflow() {
[INFO] [stderr] 284 | |         let (tx, rx) = mpsc::channel();
[INFO] [stderr] 285 | |         let is_running = AtomicBool::new(true);
[INFO] [stderr] 286 | |         let clock = TestClock::new();
[INFO] [stderr] ...   |
[INFO] [stderr] 574 | |         // and so on .....
[INFO] [stderr] 575 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/token_manager/internals/token_updater.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |     tokens: &'a BTreeMap<T, (usize, Mutex<StdResult<AccessToken, TokenErrorKind>>)>,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/token_manager/internals/token_updater.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |         tokens: &'a BTreeMap<T, (usize, Mutex<StdResult<AccessToken, TokenErrorKind>>)>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: statement can be reduced
[INFO] [stderr]    --> src/token_manager/internals/token_updater.rs:156:5
[INFO] [stderr]     |
[INFO] [stderr] 156 | /     {
[INFO] [stderr] 157 | |         *token.lock().unwrap() = Ok(rsp.access_token)
[INFO] [stderr] 158 | |     };
[INFO] [stderr]     | |______^ help: replace it with: `*token.lock().unwrap() = Ok(rsp.access_token);`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_operation)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_operation
[INFO] [stderr] 
[INFO] [stderr] warning: statement can be reduced
[INFO] [stderr]    --> src/token_manager/internals/token_updater.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 | /     {
[INFO] [stderr] 185 | |         *token.lock().unwrap() = Err(TokenErrorKind::AccessTokenProvider(err.to_string()))
[INFO] [stderr] 186 | |     };
[INFO] [stderr]     | |______^ help: replace it with: `*token.lock().unwrap() = Err(TokenErrorKind::AccessTokenProvider(err.to_string()));`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_operation
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/token_manager/internals/token_updater.rs:306:25
[INFO] [stderr]     |
[INFO] [stderr] 306 |       fn create_data() -> (
[INFO] [stderr]     |  _________________________^
[INFO] [stderr] 307 | |         Vec<Mutex<TokenRow<&'static str>>>,
[INFO] [stderr] 308 | |         BTreeMap<&'static str, (usize, Mutex<StdResult<AccessToken, TokenErrorKind>>)>,
[INFO] [stderr] 309 | |     ) {
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/token_manager/internals/token_updater.rs:338:9
[INFO] [stderr]     |
[INFO] [stderr] 338 |         assert_eq!(0.75, row.refresh_threshold);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/token_manager/internals/token_updater.rs:338:9
[INFO] [stderr]     |
[INFO] [stderr] 338 |         assert_eq!(0.75, row.refresh_threshold);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/token_manager/internals/token_updater.rs:339:9
[INFO] [stderr]     |
[INFO] [stderr] 339 |         assert_eq!(0.85, row.warning_threshold);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/token_manager/internals/token_updater.rs:339:9
[INFO] [stderr]     |
[INFO] [stderr] 339 |         assert_eq!(0.85, row.warning_threshold);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a BTreeMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/token_manager/internals/token_updater.rs:370:14
[INFO] [stderr]     |
[INFO] [stderr] 370 |               &tokens
[INFO] [stderr]     |  ______________^
[INFO] [stderr] 371 | |                 .get("token")
[INFO] [stderr] 372 | |                 .unwrap()
[INFO] [stderr]     | |_________________________^ help: try this: `&tokens["token"]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a BTreeMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/token_manager/internals/token_updater.rs:404:14
[INFO] [stderr]     |
[INFO] [stderr] 404 |               &tokens
[INFO] [stderr]     |  ______________^
[INFO] [stderr] 405 | |                 .get("token")
[INFO] [stderr] 406 | |                 .unwrap()
[INFO] [stderr]     | |_________________________^ help: try this: `&tokens["token"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a BTreeMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/token_manager/internals/token_updater.rs:427:14
[INFO] [stderr]     |
[INFO] [stderr] 427 |               &tokens
[INFO] [stderr]     |  ______________^
[INFO] [stderr] 428 | |                 .get("token")
[INFO] [stderr] 429 | |                 .unwrap()
[INFO] [stderr]     | |_________________________^ help: try this: `&tokens["token"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a BTreeMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/token_manager/internals/token_updater.rs:461:14
[INFO] [stderr]     |
[INFO] [stderr] 461 |               &tokens
[INFO] [stderr]     |  ______________^
[INFO] [stderr] 462 | |                 .get("token")
[INFO] [stderr] 463 | |                 .unwrap()
[INFO] [stderr]     | |_________________________^ help: try this: `&tokens["token"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a BTreeMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/token_manager/internals/token_updater.rs:503:14
[INFO] [stderr]     |
[INFO] [stderr] 503 |               &tokens
[INFO] [stderr]     |  ______________^
[INFO] [stderr] 504 | |                 .get("token")
[INFO] [stderr] 505 | |                 .unwrap()
[INFO] [stderr]     | |_________________________^ help: try this: `&tokens["token"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a BTreeMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/token_manager/internals/token_updater.rs:545:14
[INFO] [stderr]     |
[INFO] [stderr] 545 |               &tokens
[INFO] [stderr]     |  ______________^
[INFO] [stderr] 546 | |                 .get("token")
[INFO] [stderr] 547 | |                 .unwrap()
[INFO] [stderr]     | |_________________________^ help: try this: `&tokens["token"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a BTreeMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/token_manager/internals/token_updater.rs:587:14
[INFO] [stderr]     |
[INFO] [stderr] 587 |               &tokens
[INFO] [stderr]     |  ______________^
[INFO] [stderr] 588 | |                 .get("token")
[INFO] [stderr] 589 | |                 .unwrap()
[INFO] [stderr]     | |_________________________^ help: try this: `&tokens["token"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a BTreeMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/token_manager/internals/token_updater.rs:629:14
[INFO] [stderr]     |
[INFO] [stderr] 629 |               &tokens
[INFO] [stderr]     |  ______________^
[INFO] [stderr] 630 | |                 .get("token")
[INFO] [stderr] 631 | |                 .unwrap()
[INFO] [stderr]     | |_________________________^ help: try this: `&tokens["token"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/token_manager/internals/mod.rs:123:17
[INFO] [stderr]     |
[INFO] [stderr] 123 |     pub tokens: Arc<BTreeMap<T, (usize, Mutex<StdResult<AccessToken, TokenErrorKind>>)>>,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/token_manager/internals/mod.rs:130:38
[INFO] [stderr]     |
[INFO] [stderr] 130 |               Some(&(_, ref guard)) => match &*guard.lock().unwrap() {
[INFO] [stderr]     |  ______________________________________^
[INFO] [stderr] 131 | |                 &Ok(ref token) => Ok(token.clone()),
[INFO] [stderr] 132 | |                 &Err(ref err) => return Err(err.clone().into()),
[INFO] [stderr] 133 | |             },
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 130 |             Some(&(_, ref guard)) => match *guard.lock().unwrap() {
[INFO] [stderr] 131 |                 Ok(ref token) => Ok(token.clone()),
[INFO] [stderr] 132 |                 Err(ref err) => return Err(err.clone().into()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/token_manager/internals/mod.rs:229:28
[INFO] [stderr]     |
[INFO] [stderr] 229 |     (d.as_secs() * 1000) + (d.subsec_nanos() / 1_000_000) as u64
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(d.subsec_nanos() / 1_000_000)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: Calling `subsec_millis()` is more concise than this calculation
[INFO] [stderr]    --> src/token_manager/internals/mod.rs:229:28
[INFO] [stderr]     |
[INFO] [stderr] 229 |     (d.as_secs() * 1000) + (d.subsec_nanos() / 1_000_000) as u64
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `d.subsec_millis()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::duration_subsec)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/token_manager/token_provider/credentials/mod.rs:206:66
[INFO] [stderr]     |
[INFO] [stderr] 206 |         let credentials_dir = credentials_dir_from_env().map_err(|msg| InitializationError(msg))?;
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `InitializationError`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/token_manager/token_provider/mod.rs:89:24
[INFO] [stderr]    |
[INFO] [stderr] 89 |             Ok(url) => url.into(),
[INFO] [stderr]    |                        ^^^^^^^^^^ help: consider removing `.into()`: `url`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/token_manager/token_provider/mod.rs:99:31
[INFO] [stderr]    |
[INFO] [stderr] 99 |             Ok(realm) => Some(realm.into()),
[INFO] [stderr]    |                               ^^^^^^^^^^^^ help: consider removing `.into()`: `realm`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/token_manager/token_provider/mod.rs:128:18
[INFO] [stderr]     |
[INFO] [stderr] 128 |     let status = rsp.status().clone();
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `rsp.status()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/token_manager/mod.rs:96:21
[INFO] [stderr]    |
[INFO] [stderr] 96 |         .filter(|s| s.len() > 0)
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!s.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/token_manager/mod.rs:305:13
[INFO] [stderr]     |
[INFO] [stderr] 305 |     tokens: Arc<BTreeMap<T, (usize, Mutex<StdResult<AccessToken, TokenErrorKind>>)>>,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/token_manager/mod.rs:361:49
[INFO] [stderr]     |
[INFO] [stderr] 361 |         for (i, &(ref id, ref token)) in tokens.into_iter().enumerate() {
[INFO] [stderr]     |                                                 ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/token_manager/mod.rs:379:38
[INFO] [stderr]     |
[INFO] [stderr] 379 |               Some(&(_, ref guard)) => match &*guard.lock().unwrap() {
[INFO] [stderr]     |  ______________________________________^
[INFO] [stderr] 380 | |                 &Ok(ref token) => Ok(token.clone()),
[INFO] [stderr] 381 | |                 &Err(ref err) => return Err(err.clone().into()),
[INFO] [stderr] 382 | |             },
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 379 |             Some(&(_, ref guard)) => match *guard.lock().unwrap() {
[INFO] [stderr] 380 |                 Ok(ref token) => Ok(token.clone()),
[INFO] [stderr] 381 |                 Err(ref err) => return Err(err.clone().into()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/token_manager/mod.rs:403:13
[INFO] [stderr]     |
[INFO] [stderr] 403 |     tokens: Arc<BTreeMap<T, (usize, Mutex<StdResult<AccessToken, TokenErrorKind>>)>>,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/token_manager/mod.rs:436:49
[INFO] [stderr]     |
[INFO] [stderr] 436 |         for (i, &(ref id, ref token)) in tokens.into_iter().enumerate() {
[INFO] [stderr]     |                                                 ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/token_manager/mod.rs:454:38
[INFO] [stderr]     |
[INFO] [stderr] 454 |               Some(&(_, ref guard)) => match &*guard.lock().unwrap() {
[INFO] [stderr]     |  ______________________________________^
[INFO] [stderr] 455 | |                 &Ok(ref token) => Ok(token.clone()),
[INFO] [stderr] 456 | |                 &Err(ref err) => return Err(err.clone().into()),
[INFO] [stderr] 457 | |             },
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 454 |             Some(&(_, ref guard)) => match *guard.lock().unwrap() {
[INFO] [stderr] 455 |                 Ok(ref token) => Ok(token.clone()),
[INFO] [stderr] 456 |                 Err(ref err) => return Err(err.clone().into()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`.
[INFO] [stderr]    --> src/lib.rs:226:9
[INFO] [stderr]     |
[INFO] [stderr] 226 |         self.scope.iter().find(|&s| s == scope).is_some()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::search_is_some)] on by default
[INFO] [stderr]     = note: replace `find(|&s| s == scope).is_some()` with `any(|&s| s == scope)`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#search_is_some
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `tokkit`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "314d73e5d379b32f28f509e4712fddee3064869eb1a7694b84caa45b68a61b5a"`
[INFO] running `"docker" "rm" "-f" "314d73e5d379b32f28f509e4712fddee3064869eb1a7694b84caa45b68a61b5a"`
[INFO] [stdout] 314d73e5d379b32f28f509e4712fddee3064869eb1a7694b84caa45b68a61b5a