[INFO] updating cached repository tsub/rust-slack-bot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tsub/rust-slack-bot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tsub/rust-slack-bot" "work/ex/clippy-test-run/sources/stable/gh/tsub/rust-slack-bot"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/tsub/rust-slack-bot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tsub/rust-slack-bot" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tsub/rust-slack-bot"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tsub/rust-slack-bot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 62087c25e9f861d7aa89fe90aea1f1b1b312c373
[INFO] sha for GitHub repo tsub/rust-slack-bot: 62087c25e9f861d7aa89fe90aea1f1b1b312c373
[INFO] validating manifest of tsub/rust-slack-bot 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 tsub/rust-slack-bot 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 tsub/rust-slack-bot
[INFO] finished frobbing tsub/rust-slack-bot
[INFO] frobbed toml for tsub/rust-slack-bot written to work/ex/clippy-test-run/sources/stable/gh/tsub/rust-slack-bot/Cargo.toml
[INFO] started frobbing tsub/rust-slack-bot
[INFO] finished frobbing tsub/rust-slack-bot
[INFO] frobbed toml for tsub/rust-slack-bot written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tsub/rust-slack-bot/Cargo.toml
[INFO] crate tsub/rust-slack-bot has a lockfile. skipping
[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 tsub/rust-slack-bot against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/tsub/rust-slack-bot:/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] 61d1b82c107f8263ddcdb2d3900feee65dbaf0ef779d61644b7899a01c0752b5
[INFO] running `"docker" "start" "-a" "61d1b82c107f8263ddcdb2d3900feee65dbaf0ef779d61644b7899a01c0752b5"`
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]    Compiling openssl v0.9.17
[INFO] [stderr]     Checking foreign-types v0.2.0
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]     Checking utf-8 v0.7.1
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]     Checking hyper v0.10.12
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]    Compiling openssl-sys v0.9.17
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]     Checking native-tls v0.1.4
[INFO] [stderr]     Checking hyper-native-tls v0.2.4
[INFO] [stderr]     Checking tungstenite v0.2.4
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking serde_urlencoded v0.4.3
[INFO] [stderr]     Checking reqwest v0.4.0
[INFO] [stderr]     Checking slack_api v0.17.0
[INFO] [stderr]     Checking slack v0.18.0
[INFO] [stderr]     Checking rust_slack_bot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]   --> src/handler.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 38 |         if &message_standard.user.unwrap() == bot_id {
[INFO] [stderr]    |            -------------------------------^^^^^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            help: use the left value directly: `message_standard.user.unwrap()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]   --> src/handler.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 38 |         if &message_standard.user.unwrap() == bot_id {
[INFO] [stderr]    |            -------------------------------^^^^^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            help: use the left value directly: `message_standard.user.unwrap()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.76s
[INFO] running `"docker" "inspect" "61d1b82c107f8263ddcdb2d3900feee65dbaf0ef779d61644b7899a01c0752b5"`
[INFO] running `"docker" "rm" "-f" "61d1b82c107f8263ddcdb2d3900feee65dbaf0ef779d61644b7899a01c0752b5"`
[INFO] [stdout] 61d1b82c107f8263ddcdb2d3900feee65dbaf0ef779d61644b7899a01c0752b5