[INFO] updating cached repository coreos/pr-nagbot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/coreos/pr-nagbot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/coreos/pr-nagbot" "work/ex/clippy-test-run/sources/stable/gh/coreos/pr-nagbot"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/coreos/pr-nagbot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/coreos/pr-nagbot" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/coreos/pr-nagbot"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/coreos/pr-nagbot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b7a3a2c8bc94be97b6f282c54a924afb73272c31
[INFO] sha for GitHub repo coreos/pr-nagbot: b7a3a2c8bc94be97b6f282c54a924afb73272c31
[INFO] validating manifest of coreos/pr-nagbot 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 coreos/pr-nagbot 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 coreos/pr-nagbot
[INFO] finished frobbing coreos/pr-nagbot
[INFO] frobbed toml for coreos/pr-nagbot written to work/ex/clippy-test-run/sources/stable/gh/coreos/pr-nagbot/Cargo.toml
[INFO] started frobbing coreos/pr-nagbot
[INFO] finished frobbing coreos/pr-nagbot
[INFO] frobbed toml for coreos/pr-nagbot written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/coreos/pr-nagbot/Cargo.toml
[INFO] crate coreos/pr-nagbot has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting coreos/pr-nagbot 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/gh/coreos/pr-nagbot:/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] f222e75dcf877b7a0f3e3c13f6e869c9b64ef1a01ece8e4633ae7321dbcc1f1b
[INFO] running `"docker" "start" "-a" "f222e75dcf877b7a0f3e3c13f6e869c9b64ef1a01ece8e4633ae7321dbcc1f1b"`
[INFO] [stderr]    Compiling futures v0.1.14
[INFO] [stderr]    Compiling num_cpus v1.6.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.12
[INFO] [stderr]     Checking socket2 v0.2.2
[INFO] [stderr]    Compiling openssl-sys v0.9.17
[INFO] [stderr]     Checking futures-cpupool v0.1.5
[INFO] [stderr]     Checking tokio-io v0.1.2
[INFO] [stderr]     Checking libz-sys v1.0.16
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]    Compiling curl-sys v0.3.14
[INFO] [stderr]     Checking tokio-core v0.1.9
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]    Compiling rayon v0.7.1
[INFO] [stderr]     Checking hyper v0.11.2
[INFO] [stderr]    Compiling ring v0.11.0
[INFO] [stderr]     Checking backtrace v0.3.2
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking webpki v0.14.0
[INFO] [stderr]     Checking rustls v0.9.0
[INFO] [stderr]     Checking webpki-roots v0.11.0
[INFO] [stderr]     Checking tokio-rustls v0.2.4
[INFO] [stderr]     Checking hyper-rustls v0.8.0
[INFO] [stderr]     Checking github-rs v0.5.1
[INFO] [stderr]     Checking curl v0.4.8
[INFO] [stderr]     Checking slack-hook v0.5.0
[INFO] [stderr]     Checking pr-nagbot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/main.rs:130:17
[INFO] [stderr]     |
[INFO] [stderr] 130 | /                 match add_prs(&repo.repo, ds_pr) {
[INFO] [stderr] 131 | |                     Some(message) => {
[INFO] [stderr] 132 | |                         slack.send(
[INFO] [stderr] 133 | |                             &PayloadBuilder::new().text(message.as_slice()).build()?,
[INFO] [stderr] ...   |
[INFO] [stderr] 136 | |                     None => {}
[INFO] [stderr] 137 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 130 |                 if let Some(message) = add_prs(&repo.repo, ds_pr) {
[INFO] [stderr] 131 |     slack.send(
[INFO] [stderr] 132 |         &PayloadBuilder::new().text(message.as_slice()).build()?,
[INFO] [stderr] 133 |     )?;
[INFO] [stderr] 134 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/main.rs:130:17
[INFO] [stderr]     |
[INFO] [stderr] 130 | /                 match add_prs(&repo.repo, ds_pr) {
[INFO] [stderr] 131 | |                     Some(message) => {
[INFO] [stderr] 132 | |                         slack.send(
[INFO] [stderr] 133 | |                             &PayloadBuilder::new().text(message.as_slice()).build()?,
[INFO] [stderr] ...   |
[INFO] [stderr] 136 | |                     None => {}
[INFO] [stderr] 137 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 130 |                 if let Some(message) = add_prs(&repo.repo, ds_pr) {
[INFO] [stderr] 131 |     slack.send(
[INFO] [stderr] 132 |         &PayloadBuilder::new().text(message.as_slice()).build()?,
[INFO] [stderr] 133 |     )?;
[INFO] [stderr] 134 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 48s
[INFO] running `"docker" "inspect" "f222e75dcf877b7a0f3e3c13f6e869c9b64ef1a01ece8e4633ae7321dbcc1f1b"`
[INFO] running `"docker" "rm" "-f" "f222e75dcf877b7a0f3e3c13f6e869c9b64ef1a01ece8e4633ae7321dbcc1f1b"`
[INFO] [stdout] f222e75dcf877b7a0f3e3c13f6e869c9b64ef1a01ece8e4633ae7321dbcc1f1b