[INFO] crate unjson 0.0.5 is already in cache
[INFO] extracting crate unjson 0.0.5 into work/ex/clippy-test-run/sources/stable/reg/unjson/0.0.5
[INFO] extracting crate unjson 0.0.5 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/unjson/0.0.5
[INFO] validating manifest of unjson-0.0.5 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 unjson-0.0.5 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 unjson-0.0.5
[INFO] finished frobbing unjson-0.0.5
[INFO] frobbed toml for unjson-0.0.5 written to work/ex/clippy-test-run/sources/stable/reg/unjson/0.0.5/Cargo.toml
[INFO] started frobbing unjson-0.0.5
[INFO] finished frobbing unjson-0.0.5
[INFO] frobbed toml for unjson-0.0.5 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/unjson/0.0.5/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 unjson-0.0.5 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/unjson/0.0.5:/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] 8a29770ecb8ef5c24c33108b5e374ba66f3f91b0ffb9dba197512556c26b7781
[INFO] running `"docker" "start" "-a" "8a29770ecb8ef5c24c33108b5e374ba66f3f91b0ffb9dba197512556c26b7781"`
[INFO] [stderr]     Checking serde_json v0.7.4
[INFO] [stderr]     Checking unjson v0.0.5 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:133:20
[INFO] [stderr]     |
[INFO] [stderr] 133 |             _ => { return type_error("array", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("array", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:141:20
[INFO] [stderr]     |
[INFO] [stderr] 141 |             _ => { return type_error("array or null", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("array or null", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:148:20
[INFO] [stderr]     |
[INFO] [stderr] 148 |             _ => { return type_error("string", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("string", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:156:20
[INFO] [stderr]     |
[INFO] [stderr] 156 |             _ => { return type_error("string or null", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("string or null", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:163:20
[INFO] [stderr]     |
[INFO] [stderr] 163 |             _ => { return type_error("object", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("object", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:171:20
[INFO] [stderr]     |
[INFO] [stderr] 171 |             _ => { return type_error("object or null", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("object or null", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:178:20
[INFO] [stderr]     |
[INFO] [stderr] 178 |             _ => { return type_error("boolean", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("boolean", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:186:20
[INFO] [stderr]     |
[INFO] [stderr] 186 |             _ => { return type_error("boolean", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("boolean", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:193:20
[INFO] [stderr]     |
[INFO] [stderr] 193 |             _ => { return type_error("i64", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("i64", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:201:20
[INFO] [stderr]     |
[INFO] [stderr] 201 |             _ => { return type_error("i64", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("i64", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:208:20
[INFO] [stderr]     |
[INFO] [stderr] 208 |             _ => { return type_error("u64", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("u64", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:216:20
[INFO] [stderr]     |
[INFO] [stderr] 216 |             _ => { return type_error("u64", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("u64", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:223:20
[INFO] [stderr]     |
[INFO] [stderr] 223 |             _ => { return type_error("f64", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("f64", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:231:20
[INFO] [stderr]     |
[INFO] [stderr] 231 |             _ => { return type_error("f64", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("f64", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:240:20
[INFO] [stderr]     |
[INFO] [stderr] 240 |             _ => { return type_error("number", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("number", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:250:20
[INFO] [stderr]     |
[INFO] [stderr] 250 |             _ => { return type_error("number", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("number", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:133:20
[INFO] [stderr]     |
[INFO] [stderr] 133 |             _ => { return type_error("array", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("array", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:141:20
[INFO] [stderr]     |
[INFO] [stderr] 141 |             _ => { return type_error("array or null", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("array or null", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:148:20
[INFO] [stderr]     |
[INFO] [stderr] 148 |             _ => { return type_error("string", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("string", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:156:20
[INFO] [stderr]     |
[INFO] [stderr] 156 |             _ => { return type_error("string or null", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("string or null", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:163:20
[INFO] [stderr]     |
[INFO] [stderr] 163 |             _ => { return type_error("object", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("object", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:171:20
[INFO] [stderr]     |
[INFO] [stderr] 171 |             _ => { return type_error("object or null", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("object or null", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:178:20
[INFO] [stderr]     |
[INFO] [stderr] 178 |             _ => { return type_error("boolean", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("boolean", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:186:20
[INFO] [stderr]     |
[INFO] [stderr] 186 |             _ => { return type_error("boolean", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("boolean", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:193:20
[INFO] [stderr]     |
[INFO] [stderr] 193 |             _ => { return type_error("i64", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("i64", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:201:20
[INFO] [stderr]     |
[INFO] [stderr] 201 |             _ => { return type_error("i64", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("i64", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:208:20
[INFO] [stderr]     |
[INFO] [stderr] 208 |             _ => { return type_error("u64", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("u64", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:216:20
[INFO] [stderr]     |
[INFO] [stderr] 216 |             _ => { return type_error("u64", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("u64", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:223:20
[INFO] [stderr]     |
[INFO] [stderr] 223 |             _ => { return type_error("f64", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("f64", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:231:20
[INFO] [stderr]     |
[INFO] [stderr] 231 |             _ => { return type_error("f64", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("f64", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:240:20
[INFO] [stderr]     |
[INFO] [stderr] 240 |             _ => { return type_error("number", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("number", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unjson.rs:250:20
[INFO] [stderr]     |
[INFO] [stderr] 250 |             _ => { return type_error("number", self.ty()); }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `type_error("number", self.ty())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/unjson.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 |           Ok(match self {
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 35 | |             &Value::I64(ref v) => *v as f64,
[INFO] [stderr] 36 | |             &Value::U64(ref v) => *v as f64,
[INFO] [stderr] 37 | |             &Value::F64(ref v) => *v,
[INFO] [stderr] 38 | |             _ => { return type_error("number", self.ty()); }
[INFO] [stderr] 39 | |         })
[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] 34 |         Ok(match *self {
[INFO] [stderr] 35 |             Value::I64(ref v) => *v as f64,
[INFO] [stderr] 36 |             Value::U64(ref v) => *v as f64,
[INFO] [stderr] 37 |             Value::F64(ref v) => *v,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/unjson.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |           Ok(match self {
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 44 | |             &Value::Null          => None,
[INFO] [stderr] 45 | |             &Value::String(ref s) => Some(&s[..]),
[INFO] [stderr] 46 | |             _ => { return type_error("string or null", self.ty()); }
[INFO] [stderr] 47 | |         })
[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] 43 |         Ok(match *self {
[INFO] [stderr] 44 |             Value::Null          => None,
[INFO] [stderr] 45 |             Value::String(ref s) => Some(&s[..]),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/unjson.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 51 |           Ok(match self {
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 52 | |             &Value::Null         => None,
[INFO] [stderr] 53 | |             &Value::Array(ref a) => Some(a),
[INFO] [stderr] 54 | |             _ => { return type_error("array or null", self.ty()); }
[INFO] [stderr] 55 | |         })
[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] 51 |         Ok(match *self {
[INFO] [stderr] 52 |             Value::Null         => None,
[INFO] [stderr] 53 |             Value::Array(ref a) => Some(a),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/unjson.rs:59:12
[INFO] [stderr]    |
[INFO] [stderr] 59 |           Ok(match self {
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 60 | |             &Value::Null          => None,
[INFO] [stderr] 61 | |             &Value::Object(ref o) => Some(o),
[INFO] [stderr] 62 | |             _ => { return type_error("object or null", self.ty()); }
[INFO] [stderr] 63 | |         })
[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] 59 |         Ok(match *self {
[INFO] [stderr] 60 |             Value::Null          => None,
[INFO] [stderr] 61 |             Value::Object(ref o) => Some(o),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/unjson.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 |           Ok(match self {
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 68 | |             &Value::Null        => None,
[INFO] [stderr] 69 | |             &Value::Bool(ref b) => Some(*b),
[INFO] [stderr] 70 | |             _ => { return type_error("boolean or null", self.ty()); }
[INFO] [stderr] 71 | |         })
[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] 67 |         Ok(match *self {
[INFO] [stderr] 68 |             Value::Null        => None,
[INFO] [stderr] 69 |             Value::Bool(ref b) => Some(*b),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/unjson.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |           Ok(match self {
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 76 | |             &Value::Null       => None,
[INFO] [stderr] 77 | |             &Value::I64(ref v) => Some(*v),
[INFO] [stderr] 78 | |             _ => { return type_error("i64 or null", self.ty()); }
[INFO] [stderr] 79 | |         })
[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] 75 |         Ok(match *self {
[INFO] [stderr] 76 |             Value::Null       => None,
[INFO] [stderr] 77 |             Value::I64(ref v) => Some(*v),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/unjson.rs:83:12
[INFO] [stderr]    |
[INFO] [stderr] 83 |           Ok(match self {
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 84 | |             &Value::Null       => None,
[INFO] [stderr] 85 | |             &Value::U64(ref v) => Some(*v),
[INFO] [stderr] 86 | |             _ => { return type_error("u64 or null", self.ty()); }
[INFO] [stderr] 87 | |         })
[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] 83 |         Ok(match *self {
[INFO] [stderr] 84 |             Value::Null       => None,
[INFO] [stderr] 85 |             Value::U64(ref v) => Some(*v),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/unjson.rs:91:12
[INFO] [stderr]    |
[INFO] [stderr] 91 |           Ok(match self {
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 92 | |             &Value::Null       => None,
[INFO] [stderr] 93 | |             &Value::F64(ref v) => Some(*v),
[INFO] [stderr] 94 | |             _ => { return type_error("f64 or null", self.ty()); }
[INFO] [stderr] 95 | |         })
[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] 91 |         Ok(match *self {
[INFO] [stderr] 92 |             Value::Null       => None,
[INFO] [stderr] 93 |             Value::F64(ref v) => Some(*v),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/unjson.rs:99:12
[INFO] [stderr]     |
[INFO] [stderr] 99  |           Ok(match self {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 100 | |             &Value::Null       => None,
[INFO] [stderr] 101 | |             &Value::I64(ref v) => Some(*v as f64),
[INFO] [stderr] 102 | |             &Value::U64(ref v) => Some(*v as f64),
[INFO] [stderr] 103 | |             &Value::F64(ref v) => Some(*v),
[INFO] [stderr] 104 | |             _ => { return type_error("number or null", self.ty()); }
[INFO] [stderr] 105 | |         })
[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] 99  |         Ok(match *self {
[INFO] [stderr] 100 |             Value::Null       => None,
[INFO] [stderr] 101 |             Value::I64(ref v) => Some(*v as f64),
[INFO] [stderr] 102 |             Value::U64(ref v) => Some(*v as f64),
[INFO] [stderr] 103 |             Value::F64(ref v) => Some(*v),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/error.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 | /         match self {
[INFO] [stderr] 18 | |             &Error::TypeMismatch(ref expected, ref ty) => {
[INFO] [stderr] 19 | |                 fmt.write_fmt(format_args!("expected {}, got {}", expected, ty))
[INFO] [stderr] 20 | |             }
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |             }
[INFO] [stderr] 33 | |         }
[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] 17 |         match *self {
[INFO] [stderr] 18 |             Error::TypeMismatch(ref expected, ref ty) => {
[INFO] [stderr] 19 |                 fmt.write_fmt(format_args!("expected {}, got {}", expected, ty))
[INFO] [stderr] 20 |             }
[INFO] [stderr] 21 |             Error::MissingField(ref name) => {
[INFO] [stderr] 22 |                 fmt.write_fmt(format_args!("missing object field '{}'", name))
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/unjson.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 |           Ok(match self {
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 35 | |             &Value::I64(ref v) => *v as f64,
[INFO] [stderr] 36 | |             &Value::U64(ref v) => *v as f64,
[INFO] [stderr] 37 | |             &Value::F64(ref v) => *v,
[INFO] [stderr] 38 | |             _ => { return type_error("number", self.ty()); }
[INFO] [stderr] 39 | |         })
[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] 34 |         Ok(match *self {
[INFO] [stderr] 35 |             Value::I64(ref v) => *v as f64,
[INFO] [stderr] 36 |             Value::U64(ref v) => *v as f64,
[INFO] [stderr] 37 |             Value::F64(ref v) => *v,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/unjson.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |           Ok(match self {
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 44 | |             &Value::Null          => None,
[INFO] [stderr] 45 | |             &Value::String(ref s) => Some(&s[..]),
[INFO] [stderr] 46 | |             _ => { return type_error("string or null", self.ty()); }
[INFO] [stderr] 47 | |         })
[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] 43 |         Ok(match *self {
[INFO] [stderr] 44 |             Value::Null          => None,
[INFO] [stderr] 45 |             Value::String(ref s) => Some(&s[..]),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/unjson.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 51 |           Ok(match self {
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 52 | |             &Value::Null         => None,
[INFO] [stderr] 53 | |             &Value::Array(ref a) => Some(a),
[INFO] [stderr] 54 | |             _ => { return type_error("array or null", self.ty()); }
[INFO] [stderr] 55 | |         })
[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] 51 |         Ok(match *self {
[INFO] [stderr] 52 |             Value::Null         => None,
[INFO] [stderr] 53 |             Value::Array(ref a) => Some(a),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/unjson.rs:59:12
[INFO] [stderr]    |
[INFO] [stderr] 59 |           Ok(match self {
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 60 | |             &Value::Null          => None,
[INFO] [stderr] 61 | |             &Value::Object(ref o) => Some(o),
[INFO] [stderr] 62 | |             _ => { return type_error("object or null", self.ty()); }
[INFO] [stderr] 63 | |         })
[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] 59 |         Ok(match *self {
[INFO] [stderr] 60 |             Value::Null          => None,
[INFO] [stderr] 61 |             Value::Object(ref o) => Some(o),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/unjson.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 |           Ok(match self {
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 68 | |             &Value::Null        => None,
[INFO] [stderr] 69 | |             &Value::Bool(ref b) => Some(*b),
[INFO] [stderr] 70 | |             _ => { return type_error("boolean or null", self.ty()); }
[INFO] [stderr] 71 | |         })
[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] 67 |         Ok(match *self {
[INFO] [stderr] 68 |             Value::Null        => None,
[INFO] [stderr] 69 |             Value::Bool(ref b) => Some(*b),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/unjson.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |           Ok(match self {
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 76 | |             &Value::Null       => None,
[INFO] [stderr] 77 | |             &Value::I64(ref v) => Some(*v),
[INFO] [stderr] 78 | |             _ => { return type_error("i64 or null", self.ty()); }
[INFO] [stderr] 79 | |         })
[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] 75 |         Ok(match *self {
[INFO] [stderr] 76 |             Value::Null       => None,
[INFO] [stderr] 77 |             Value::I64(ref v) => Some(*v),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/unjson.rs:83:12
[INFO] [stderr]    |
[INFO] [stderr] 83 |           Ok(match self {
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 84 | |             &Value::Null       => None,
[INFO] [stderr] 85 | |             &Value::U64(ref v) => Some(*v),
[INFO] [stderr] 86 | |             _ => { return type_error("u64 or null", self.ty()); }
[INFO] [stderr] 87 | |         })
[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] 83 |         Ok(match *self {
[INFO] [stderr] 84 |             Value::Null       => None,
[INFO] [stderr] 85 |             Value::U64(ref v) => Some(*v),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/unjson.rs:91:12
[INFO] [stderr]    |
[INFO] [stderr] 91 |           Ok(match self {
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 92 | |             &Value::Null       => None,
[INFO] [stderr] 93 | |             &Value::F64(ref v) => Some(*v),
[INFO] [stderr] 94 | |             _ => { return type_error("f64 or null", self.ty()); }
[INFO] [stderr] 95 | |         })
[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] 91 |         Ok(match *self {
[INFO] [stderr] 92 |             Value::Null       => None,
[INFO] [stderr] 93 |             Value::F64(ref v) => Some(*v),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/unjson.rs:99:12
[INFO] [stderr]     |
[INFO] [stderr] 99  |           Ok(match self {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 100 | |             &Value::Null       => None,
[INFO] [stderr] 101 | |             &Value::I64(ref v) => Some(*v as f64),
[INFO] [stderr] 102 | |             &Value::U64(ref v) => Some(*v as f64),
[INFO] [stderr] 103 | |             &Value::F64(ref v) => Some(*v),
[INFO] [stderr] 104 | |             _ => { return type_error("number or null", self.ty()); }
[INFO] [stderr] 105 | |         })
[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] 99  |         Ok(match *self {
[INFO] [stderr] 100 |             Value::Null       => None,
[INFO] [stderr] 101 |             Value::I64(ref v) => Some(*v as f64),
[INFO] [stderr] 102 |             Value::U64(ref v) => Some(*v as f64),
[INFO] [stderr] 103 |             Value::F64(ref v) => Some(*v),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/error.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 | /         match self {
[INFO] [stderr] 18 | |             &Error::TypeMismatch(ref expected, ref ty) => {
[INFO] [stderr] 19 | |                 fmt.write_fmt(format_args!("expected {}, got {}", expected, ty))
[INFO] [stderr] 20 | |             }
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |             }
[INFO] [stderr] 33 | |         }
[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] 17 |         match *self {
[INFO] [stderr] 18 |             Error::TypeMismatch(ref expected, ref ty) => {
[INFO] [stderr] 19 |                 fmt.write_fmt(format_args!("expected {}, got {}", expected, ty))
[INFO] [stderr] 20 |             }
[INFO] [stderr] 21 |             Error::MissingField(ref name) => {
[INFO] [stderr] 22 |                 fmt.write_fmt(format_args!("missing object field '{}'", name))
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `"docker" "inspect" "8a29770ecb8ef5c24c33108b5e374ba66f3f91b0ffb9dba197512556c26b7781"`
[INFO] running `"docker" "rm" "-f" "8a29770ecb8ef5c24c33108b5e374ba66f3f91b0ffb9dba197512556c26b7781"`
[INFO] [stdout] 8a29770ecb8ef5c24c33108b5e374ba66f3f91b0ffb9dba197512556c26b7781