[INFO] updating cached repository pombase/pombase_rc_string
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pombase/pombase_rc_string
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pombase/pombase_rc_string" "work/ex/clippy-test-run/sources/stable/gh/pombase/pombase_rc_string"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/pombase/pombase_rc_string'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pombase/pombase_rc_string" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pombase/pombase_rc_string"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pombase/pombase_rc_string'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ef7cc29de592e9833c4a094b58180622f95b74c9
[INFO] sha for GitHub repo pombase/pombase_rc_string: ef7cc29de592e9833c4a094b58180622f95b74c9
[INFO] validating manifest of pombase/pombase_rc_string 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 pombase/pombase_rc_string 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 pombase/pombase_rc_string
[INFO] finished frobbing pombase/pombase_rc_string
[INFO] frobbed toml for pombase/pombase_rc_string written to work/ex/clippy-test-run/sources/stable/gh/pombase/pombase_rc_string/Cargo.toml
[INFO] started frobbing pombase/pombase_rc_string
[INFO] finished frobbing pombase/pombase_rc_string
[INFO] frobbed toml for pombase/pombase_rc_string written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pombase/pombase_rc_string/Cargo.toml
[INFO] crate pombase/pombase_rc_string 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 pombase/pombase_rc_string 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/pombase/pombase_rc_string:/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] 78b4e75c1a55e3f2abf3c1dd28c310ba43b9dcde5ede106748210106d6bee963
[INFO] running `"docker" "start" "-a" "78b4e75c1a55e3f2abf3c1dd28c310ba43b9dcde5ede106748210106d6bee963"`
[INFO] [stderr]     Checking weak-table v0.2.3
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]     Checking pombase_rc_string v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `RcString`
[INFO] [stderr]   --> src/lib.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | /     pub fn new() -> RcString {
[INFO] [stderr] 34 | |         RcString::from("")
[INFO] [stderr] 35 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 28 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `RcString`
[INFO] [stderr]   --> src/lib.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | /     pub fn new() -> RcString {
[INFO] [stderr] 34 | |         RcString::from("")
[INFO] [stderr] 35 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 28 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> tests/test.rs:82:16
[INFO] [stderr]    |
[INFO] [stderr] 82 |     assert_eq!(deserialized_map.field.get(&RcString::from("key")).unwrap().field1,
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&deserialized_map.field[&RcString::from("key")]`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 5.10s
[INFO] running `"docker" "inspect" "78b4e75c1a55e3f2abf3c1dd28c310ba43b9dcde5ede106748210106d6bee963"`
[INFO] running `"docker" "rm" "-f" "78b4e75c1a55e3f2abf3c1dd28c310ba43b9dcde5ede106748210106d6bee963"`
[INFO] [stdout] 78b4e75c1a55e3f2abf3c1dd28c310ba43b9dcde5ede106748210106d6bee963