[INFO] crate slack 0.22.0 is already in cache
[INFO] extracting crate slack 0.22.0 into work/ex/clippy-test-run/sources/stable/reg/slack/0.22.0
[INFO] extracting crate slack 0.22.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/slack/0.22.0
[INFO] validating manifest of slack-0.22.0 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 slack-0.22.0 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 slack-0.22.0
[INFO] finished frobbing slack-0.22.0
[INFO] frobbed toml for slack-0.22.0 written to work/ex/clippy-test-run/sources/stable/reg/slack/0.22.0/Cargo.toml
[INFO] started frobbing slack-0.22.0
[INFO] finished frobbing slack-0.22.0
[INFO] frobbed toml for slack-0.22.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/slack/0.22.0/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 slack-0.22.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/slack/0.22.0:/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] f35b521dd141145848325c3ceade68996953c349c1399d5fc04dc193cb3bd96d
[INFO] running `"docker" "start" "-a" "f35b521dd141145848325c3ceade68996953c349c1399d5fc04dc193cb3bd96d"`
[INFO] [stderr]     Checking tungstenite v0.6.1
[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 slack_api v0.21.0
[INFO] [stderr]     Checking slack v0.22.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:176:13
[INFO] [stderr]     |
[INFO] [stderr] 176 |             tx: tx,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `tx`
[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/lib.rs:181:16
[INFO] [stderr]     |
[INFO] [stderr] 181 |                start_response: start_response,
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `start_response`
[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/lib.rs:182:16
[INFO] [stderr]     |
[INFO] [stderr] 182 |                sender: sender,
[INFO] [stderr]     |                ^^^^^^^^^^^^^^ help: replace it with: `sender`
[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/lib.rs:183:16
[INFO] [stderr]     |
[INFO] [stderr] 183 |                rx: rx,
[INFO] [stderr]     |                ^^^^^^ help: replace it with: `rx`
[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/lib.rs:176:13
[INFO] [stderr]     |
[INFO] [stderr] 176 |             tx: tx,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `tx`
[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/lib.rs:181:16
[INFO] [stderr]     |
[INFO] [stderr] 181 |                start_response: start_response,
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `start_response`
[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/lib.rs:182:16
[INFO] [stderr]     |
[INFO] [stderr] 182 |                sender: sender,
[INFO] [stderr]     |                ^^^^^^^^^^^^^^ help: replace it with: `sender`
[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/lib.rs:183:16
[INFO] [stderr]     |
[INFO] [stderr] 183 |                rx: rx,
[INFO] [stderr]     |                ^^^^^^ help: replace it with: `rx`
[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: large size difference between variants
[INFO] [stderr]    --> src/events.rs:265:5
[INFO] [stderr]     |
[INFO] [stderr] 265 | /     DesktopNotification {
[INFO] [stderr] 266 | |         #[serde(rename = "avatarImage")]
[INFO] [stderr] 267 | |         avatar_image: Option<String>,
[INFO] [stderr] 268 | |         channel: Option<String>,
[INFO] [stderr] ...   |
[INFO] [stderr] 281 | |         title: Option<String>,
[INFO] [stderr] 282 | |     },
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::large_enum_variant)] on by default
[INFO] [stderr] help: consider boxing the large fields to reduce the total size of the enum
[INFO] [stderr]    --> src/events.rs:265:5
[INFO] [stderr]     |
[INFO] [stderr] 265 | /     DesktopNotification {
[INFO] [stderr] 266 | |         #[serde(rename = "avatarImage")]
[INFO] [stderr] 267 | |         avatar_image: Option<String>,
[INFO] [stderr] 268 | |         channel: Option<String>,
[INFO] [stderr] ...   |
[INFO] [stderr] 281 | |         title: Option<String>,
[INFO] [stderr] 282 | |     },
[INFO] [stderr]     | |_____^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stderr] 
[INFO] [stderr] warning: large size difference between variants
[INFO] [stderr]    --> src/events.rs:265:5
[INFO] [stderr]     |
[INFO] [stderr] 265 | /     DesktopNotification {
[INFO] [stderr] 266 | |         #[serde(rename = "avatarImage")]
[INFO] [stderr] 267 | |         avatar_image: Option<String>,
[INFO] [stderr] 268 | |         channel: Option<String>,
[INFO] [stderr] ...   |
[INFO] [stderr] 281 | |         title: Option<String>,
[INFO] [stderr] 282 | |     },
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::large_enum_variant)] on by default
[INFO] [stderr] help: consider boxing the large fields to reduce the total size of the enum
[INFO] [stderr]    --> src/events.rs:265:5
[INFO] [stderr]     |
[INFO] [stderr] 265 | /     DesktopNotification {
[INFO] [stderr] 266 | |         #[serde(rename = "avatarImage")]
[INFO] [stderr] 267 | |         avatar_image: Option<String>,
[INFO] [stderr] 268 | |         channel: Option<String>,
[INFO] [stderr] ...   |
[INFO] [stderr] 281 | |         title: Option<String>,
[INFO] [stderr] 282 | |     },
[INFO] [stderr]     | |_____^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:192:14
[INFO] [stderr]     |
[INFO] [stderr] 192 |             .ok_or(Error::Api("Slack did not provide a URL".into()))?;
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| Error::Api("Slack did not provide a URL".into()))`
[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: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:192:14
[INFO] [stderr]     |
[INFO] [stderr] 192 |             .ok_or(Error::Api("Slack did not provide a URL".into()))?;
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| Error::Api("Slack did not provide a URL".into()))`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `"docker" "inspect" "f35b521dd141145848325c3ceade68996953c349c1399d5fc04dc193cb3bd96d"`
[INFO] running `"docker" "rm" "-f" "f35b521dd141145848325c3ceade68996953c349c1399d5fc04dc193cb3bd96d"`
[INFO] [stdout] f35b521dd141145848325c3ceade68996953c349c1399d5fc04dc193cb3bd96d