[INFO] crate lazy_mut 0.1.0 is already in cache
[INFO] extracting crate lazy_mut 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/lazy_mut/0.1.0
[INFO] extracting crate lazy_mut 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/lazy_mut/0.1.0
[INFO] validating manifest of lazy_mut-0.1.0 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 lazy_mut-0.1.0 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 lazy_mut-0.1.0
[INFO] finished frobbing lazy_mut-0.1.0
[INFO] frobbed toml for lazy_mut-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/lazy_mut/0.1.0/Cargo.toml
[INFO] started frobbing lazy_mut-0.1.0
[INFO] finished frobbing lazy_mut-0.1.0
[INFO] frobbed toml for lazy_mut-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/lazy_mut/0.1.0/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 lazy_mut-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/lazy_mut/0.1.0:/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] ae9f3e20898a529ba1afb35de5dad6b8976ae855e8747f1e1fec9b5ac7b23037
[INFO] running `"docker" "start" "-a" "ae9f3e20898a529ba1afb35de5dad6b8976ae855e8747f1e1fec9b5ac7b23037"`
[INFO] [stderr]     Checking lazy_mut v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:179:19
[INFO] [stderr]     |
[INFO] [stderr] 179 |           let new = match self {
[INFO] [stderr]     |  ___________________^
[INFO] [stderr] 180 | |             &mut Init(init) => Value(init()),
[INFO] [stderr] 181 | |             _ => panic!("call to `init_once` on already initialized value"),
[INFO] [stderr] 182 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 179 |         let new = match *self {
[INFO] [stderr] 180 |             Init(init) => Value(init()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:192:9
[INFO] [stderr]     |
[INFO] [stderr] 192 | /         match this {
[INFO] [stderr] 193 | |             &Init(_) => None,
[INFO] [stderr] 194 | |             &Value(ref val) => Some(val),
[INFO] [stderr] 195 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 192 |         match *this {
[INFO] [stderr] 193 |             Init(_) => None,
[INFO] [stderr] 194 |             Value(ref val) => Some(val),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:203:9
[INFO] [stderr]     |
[INFO] [stderr] 203 | /         match this {
[INFO] [stderr] 204 | |             &mut Init(_) => None,
[INFO] [stderr] 205 | |             &mut Value(ref mut val) => Some(val),
[INFO] [stderr] 206 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 203 |         match *this {
[INFO] [stderr] 204 |             Init(_) => None,
[INFO] [stderr] 205 |             Value(ref mut val) => Some(val),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:212:9
[INFO] [stderr]     |
[INFO] [stderr] 212 | /         match self {
[INFO] [stderr] 213 | |             &Init(_) => false,
[INFO] [stderr] 214 | |             &Value(_) => true,
[INFO] [stderr] 215 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 212 |         match *self {
[INFO] [stderr] 213 |             Init(_) => false,
[INFO] [stderr] 214 |             Value(_) => true,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:223:9
[INFO] [stderr]     |
[INFO] [stderr] 223 | /         match self {
[INFO] [stderr] 224 | |             &Init(_) => panic!("cannot dereference uninitialized value"),
[INFO] [stderr] 225 | |             &Value(ref val) => val,
[INFO] [stderr] 226 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 223 |         match *self {
[INFO] [stderr] 224 |             Init(_) => panic!("cannot dereference uninitialized value"),
[INFO] [stderr] 225 |             Value(ref val) => val,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:234:9
[INFO] [stderr]     |
[INFO] [stderr] 234 | /         match self {
[INFO] [stderr] 235 | |             &mut Init(_) => unreachable!(),
[INFO] [stderr] 236 | |             &mut Value(ref mut val) => val,
[INFO] [stderr] 237 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 234 |         match *self {
[INFO] [stderr] 235 |             Init(_) => unreachable!(),
[INFO] [stderr] 236 |             Value(ref mut val) => val,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:244:9
[INFO] [stderr]     |
[INFO] [stderr] 244 | /         match self {
[INFO] [stderr] 245 | |             &Init(_) => write!(f, "{{uninitialized}}"),
[INFO] [stderr] 246 | |             &Value(ref val) => val.fmt(f),
[INFO] [stderr] 247 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 244 |         match *self {
[INFO] [stderr] 245 |             Init(_) => write!(f, "{{uninitialized}}"),
[INFO] [stderr] 246 |             Value(ref val) => val.fmt(f),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:179:19
[INFO] [stderr]     |
[INFO] [stderr] 179 |           let new = match self {
[INFO] [stderr]     |  ___________________^
[INFO] [stderr] 180 | |             &mut Init(init) => Value(init()),
[INFO] [stderr] 181 | |             _ => panic!("call to `init_once` on already initialized value"),
[INFO] [stderr] 182 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 179 |         let new = match *self {
[INFO] [stderr] 180 |             Init(init) => Value(init()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:192:9
[INFO] [stderr]     |
[INFO] [stderr] 192 | /         match this {
[INFO] [stderr] 193 | |             &Init(_) => None,
[INFO] [stderr] 194 | |             &Value(ref val) => Some(val),
[INFO] [stderr] 195 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 192 |         match *this {
[INFO] [stderr] 193 |             Init(_) => None,
[INFO] [stderr] 194 |             Value(ref val) => Some(val),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:203:9
[INFO] [stderr]     |
[INFO] [stderr] 203 | /         match this {
[INFO] [stderr] 204 | |             &mut Init(_) => None,
[INFO] [stderr] 205 | |             &mut Value(ref mut val) => Some(val),
[INFO] [stderr] 206 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 203 |         match *this {
[INFO] [stderr] 204 |             Init(_) => None,
[INFO] [stderr] 205 |             Value(ref mut val) => Some(val),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:212:9
[INFO] [stderr]     |
[INFO] [stderr] 212 | /         match self {
[INFO] [stderr] 213 | |             &Init(_) => false,
[INFO] [stderr] 214 | |             &Value(_) => true,
[INFO] [stderr] 215 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 212 |         match *self {
[INFO] [stderr] 213 |             Init(_) => false,
[INFO] [stderr] 214 |             Value(_) => true,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:223:9
[INFO] [stderr]     |
[INFO] [stderr] 223 | /         match self {
[INFO] [stderr] 224 | |             &Init(_) => panic!("cannot dereference uninitialized value"),
[INFO] [stderr] 225 | |             &Value(ref val) => val,
[INFO] [stderr] 226 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 223 |         match *self {
[INFO] [stderr] 224 |             Init(_) => panic!("cannot dereference uninitialized value"),
[INFO] [stderr] 225 |             Value(ref val) => val,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:234:9
[INFO] [stderr]     |
[INFO] [stderr] 234 | /         match self {
[INFO] [stderr] 235 | |             &mut Init(_) => unreachable!(),
[INFO] [stderr] 236 | |             &mut Value(ref mut val) => val,
[INFO] [stderr] 237 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 234 |         match *self {
[INFO] [stderr] 235 |             Init(_) => unreachable!(),
[INFO] [stderr] 236 |             Value(ref mut val) => val,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:244:9
[INFO] [stderr]     |
[INFO] [stderr] 244 | /         match self {
[INFO] [stderr] 245 | |             &Init(_) => write!(f, "{{uninitialized}}"),
[INFO] [stderr] 246 | |             &Value(ref val) => val.fmt(f),
[INFO] [stderr] 247 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 244 |         match *self {
[INFO] [stderr] 245 |             Init(_) => write!(f, "{{uninitialized}}"),
[INFO] [stderr] 246 |             Value(ref val) => val.fmt(f),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "ae9f3e20898a529ba1afb35de5dad6b8976ae855e8747f1e1fec9b5ac7b23037"`
[INFO] running `"docker" "rm" "-f" "ae9f3e20898a529ba1afb35de5dad6b8976ae855e8747f1e1fec9b5ac7b23037"`
[INFO] [stdout] ae9f3e20898a529ba1afb35de5dad6b8976ae855e8747f1e1fec9b5ac7b23037