[INFO] updating cached repository admmasters/rust_tempcon
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/admmasters/rust_tempcon
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/admmasters/rust_tempcon" "work/ex/clippy-test-run/sources/stable/gh/admmasters/rust_tempcon"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/admmasters/rust_tempcon'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/admmasters/rust_tempcon" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/admmasters/rust_tempcon"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/admmasters/rust_tempcon'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ddb6d4b96d3ba55830fd30f48bcf4fe46fa8b692
[INFO] sha for GitHub repo admmasters/rust_tempcon: ddb6d4b96d3ba55830fd30f48bcf4fe46fa8b692
[INFO] validating manifest of admmasters/rust_tempcon 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 admmasters/rust_tempcon 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 admmasters/rust_tempcon
[INFO] finished frobbing admmasters/rust_tempcon
[INFO] frobbed toml for admmasters/rust_tempcon written to work/ex/clippy-test-run/sources/stable/gh/admmasters/rust_tempcon/Cargo.toml
[INFO] started frobbing admmasters/rust_tempcon
[INFO] finished frobbing admmasters/rust_tempcon
[INFO] frobbed toml for admmasters/rust_tempcon written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/admmasters/rust_tempcon/Cargo.toml
[INFO] crate admmasters/rust_tempcon 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 admmasters/rust_tempcon against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/admmasters/rust_tempcon:/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] 8c9c54f890ea00ab3eefeef49a98c3041678356f4ed4bbce031c6214c4fba6c8
[INFO] running `"docker" "start" "-a" "8c9c54f890ea00ab3eefeef49a98c3041678356f4ed4bbce031c6214c4fba6c8"`
[INFO] [stderr]     Checking rust_tempcon v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: this call to `as_ref` does nothing
[INFO] [stderr]   --> src/main.rs:20:11
[INFO] [stderr]    |
[INFO] [stderr] 20 |     match format.trim().as_ref() {
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^ help: try this: `format.trim()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_asref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_asref
[INFO] [stderr] 
[INFO] [stderr] warning: this call to `as_ref` does nothing
[INFO] [stderr]   --> src/main.rs:20:11
[INFO] [stderr]    |
[INFO] [stderr] 20 |     match format.trim().as_ref() {
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^ help: try this: `format.trim()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_asref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_asref
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "8c9c54f890ea00ab3eefeef49a98c3041678356f4ed4bbce031c6214c4fba6c8"`
[INFO] running `"docker" "rm" "-f" "8c9c54f890ea00ab3eefeef49a98c3041678356f4ed4bbce031c6214c4fba6c8"`
[INFO] [stdout] 8c9c54f890ea00ab3eefeef49a98c3041678356f4ed4bbce031c6214c4fba6c8