[INFO] updating cached repository qultist/tasty-json
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/qultist/tasty-json
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/qultist/tasty-json" "work/ex/clippy-test-run/sources/stable/gh/qultist/tasty-json"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/qultist/tasty-json'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/qultist/tasty-json" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/qultist/tasty-json"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/qultist/tasty-json'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3a66465a66f36313c5bc0968aee0da9b5155294e
[INFO] sha for GitHub repo qultist/tasty-json: 3a66465a66f36313c5bc0968aee0da9b5155294e
[INFO] validating manifest of qultist/tasty-json 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 qultist/tasty-json 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 qultist/tasty-json
[INFO] finished frobbing qultist/tasty-json
[INFO] frobbed toml for qultist/tasty-json written to work/ex/clippy-test-run/sources/stable/gh/qultist/tasty-json/Cargo.toml
[INFO] started frobbing qultist/tasty-json
[INFO] finished frobbing qultist/tasty-json
[INFO] frobbed toml for qultist/tasty-json written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/qultist/tasty-json/Cargo.toml
[INFO] crate qultist/tasty-json 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 qultist/tasty-json 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/qultist/tasty-json:/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] 09a775aaf389636fedaecf865564599185ecd9d06dff8ba057698835aeed4c6c
[INFO] running `"docker" "start" "-a" "09a775aaf389636fedaecf865564599185ecd9d06dff8ba057698835aeed4c6c"`
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex v1.0.0
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking nom v4.0.0
[INFO] [stderr]     Checking tasty-json v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     return content
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `content`
[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: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     return content
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `content`
[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: method is never used: `as_f64`
[INFO] [stderr]   --> src/json.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn as_f64(&self) -> Option<f64> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_vec`
[INFO] [stderr]   --> src/json.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn as_vec(&self) -> Option<Vec<Value>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_bool`
[INFO] [stderr]   --> src/json.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn as_bool(&self) -> Option<bool> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/json.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |         assert_eq!(13.37, float.unwrap());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/json.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |         assert_eq!(13.37, float.unwrap());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `tasty-json`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "09a775aaf389636fedaecf865564599185ecd9d06dff8ba057698835aeed4c6c"`
[INFO] running `"docker" "rm" "-f" "09a775aaf389636fedaecf865564599185ecd9d06dff8ba057698835aeed4c6c"`
[INFO] [stdout] 09a775aaf389636fedaecf865564599185ecd9d06dff8ba057698835aeed4c6c