[INFO] crate calculate 0.5.1 is already in cache
[INFO] extracting crate calculate 0.5.1 into work/ex/clippy-test-run/sources/stable/reg/calculate/0.5.1
[INFO] extracting crate calculate 0.5.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/calculate/0.5.1
[INFO] validating manifest of calculate-0.5.1 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 calculate-0.5.1 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 calculate-0.5.1
[INFO] finished frobbing calculate-0.5.1
[INFO] frobbed toml for calculate-0.5.1 written to work/ex/clippy-test-run/sources/stable/reg/calculate/0.5.1/Cargo.toml
[INFO] started frobbing calculate-0.5.1
[INFO] finished frobbing calculate-0.5.1
[INFO] frobbed toml for calculate-0.5.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/calculate/0.5.1/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 calculate-0.5.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/calculate/0.5.1:/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] 797274e0da8ef9ee845c78f71dbaed6576de7b9cc0b45b471a0351ea979f266b
[INFO] running `"docker" "start" "-a" "797274e0da8ef9ee845c78f71dbaed6576de7b9cc0b45b471a0351ea979f266b"`
[INFO] [stderr]     Checking ord_subset v3.1.1
[INFO] [stderr]    Compiling decimal v2.0.4
[INFO] [stderr]     Checking liner v0.4.4
[INFO] [stderr]     Checking calculate v0.5.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/value.rs:283:17
[INFO] [stderr]     |
[INFO] [stderr] 283 |                 return Err(CalcError::BadTypes(PartialComp::unary("~", f)))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(CalcError::BadTypes(PartialComp::unary("~", f)))`
[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] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(test, feature(test))]
[INFO] [stderr]   |                   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `calculate`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/token.rs:339:12
[INFO] [stderr]     |
[INFO] [stderr] 339 |         if values.len() == 0 || operators.len() != values.len() - 1 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `values.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: the `v2 @ _` pattern can be written as just `v2`
[INFO] [stderr]   --> src/value.rs:53:36
[INFO] [stderr]    |
[INFO] [stderr] 53 |             (v1 @ Value::Float(_), v2 @ _) |
[INFO] [stderr]    |                                    ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: the `v1 @ _` pattern can be written as just `v1`
[INFO] [stderr]   --> src/value.rs:54:14
[INFO] [stderr]    |
[INFO] [stderr] 54 |             (v1 @ _, v2 @ Value::Float(_)) => {
[INFO] [stderr]    |              ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/value.rs:88:24
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 if m > i32::max_value() as i64 {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(i32::max_value())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/value.rs:107:24
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 if m > i32::max_value() as i64 {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(i32::max_value())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/value.rs:111:31
[INFO] [stderr]     |
[INFO] [stderr] 111 |                 } else if m < i32::min_value() as i64 {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(i32::min_value())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/value.rs:122:24
[INFO] [stderr]     |
[INFO] [stderr] 122 |                 if m > i32::max_value() as i64 {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(i32::max_value())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/value.rs:126:31
[INFO] [stderr]     |
[INFO] [stderr] 126 |                 } else if m < i32::min_value() as i64 {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(i32::min_value())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "797274e0da8ef9ee845c78f71dbaed6576de7b9cc0b45b471a0351ea979f266b"`
[INFO] running `"docker" "rm" "-f" "797274e0da8ef9ee845c78f71dbaed6576de7b9cc0b45b471a0351ea979f266b"`
[INFO] [stdout] 797274e0da8ef9ee845c78f71dbaed6576de7b9cc0b45b471a0351ea979f266b