[INFO] crate time2 0.2.0 is already in cache
[INFO] extracting crate time2 0.2.0 into work/ex/clippy-test-run/sources/stable/reg/time2/0.2.0
[INFO] extracting crate time2 0.2.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/time2/0.2.0
[INFO] validating manifest of time2-0.2.0 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 time2-0.2.0 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 time2-0.2.0
[INFO] finished frobbing time2-0.2.0
[INFO] frobbed toml for time2-0.2.0 written to work/ex/clippy-test-run/sources/stable/reg/time2/0.2.0/Cargo.toml
[INFO] started frobbing time2-0.2.0
[INFO] finished frobbing time2-0.2.0
[INFO] frobbed toml for time2-0.2.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/time2/0.2.0/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 time2-0.2.0 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/reg/time2/0.2.0:/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] a3439dcee1abc65fbd3874cf73e5ecc75c075e5926c10963b74764b015fb9824
[INFO] running `"docker" "start" "-a" "a3439dcee1abc65fbd3874cf73e5ecc75c075e5926c10963b74764b015fb9824"`
[INFO] [stderr]     Checking time2 v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking quickcheck v0.2.27
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/duration.rs:31:41
[INFO] [stderr]    |
[INFO] [stderr] 31 |             .and_then(|m| m.checked_add(self.subsec_nanos() as u64 / NANOS_PER_MILLI))
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.subsec_nanos())`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/duration.rs:38:27
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let total_nanos = self.subsec_nanos() as u64 * b; // can't overflow
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.subsec_nanos())`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/duration.rs:44:41
[INFO] [stderr]    |
[INFO] [stderr] 44 |             .and_then(|s| s.checked_add(self.subsec_nanos() as u64 * a))
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.subsec_nanos())`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/duration.rs:52:32
[INFO] [stderr]    |
[INFO] [stderr] 52 |             .map(|extra_nanos| self.subsec_nanos() as u64 / rhs + extra_nanos)
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.subsec_nanos())`
[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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/duration.rs:94:58
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let un32 = (u1 << s) | (u0.wrapping_shr(64 - s)) & (-(s as i64) >> 63) as u64;
[INFO] [stderr]    |                                                          ^^^^^^^^^^ help: try: `i64::from(s)`
[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: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/duration.rs:143:43
[INFO] [stderr]     |
[INFO] [stderr] 143 |             Duration::from_millis(millis).as_millis() == Some(millis)
[INFO] [stderr]     |                                           ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unstable_name_collisions)] on by default
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `duration::DurationExt::as_millis(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/duration.rs:148:36
[INFO] [stderr]     |
[INFO] [stderr] 148 |             let millis = match dur.as_millis() {
[INFO] [stderr]     |                                    ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `duration::DurationExt::as_millis(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/duration.rs:31:41
[INFO] [stderr]    |
[INFO] [stderr] 31 |             .and_then(|m| m.checked_add(self.subsec_nanos() as u64 / NANOS_PER_MILLI))
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.subsec_nanos())`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/duration.rs:38:27
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let total_nanos = self.subsec_nanos() as u64 * b; // can't overflow
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.subsec_nanos())`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/duration.rs:44:41
[INFO] [stderr]    |
[INFO] [stderr] 44 |             .and_then(|s| s.checked_add(self.subsec_nanos() as u64 * a))
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.subsec_nanos())`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/duration.rs:52:32
[INFO] [stderr]    |
[INFO] [stderr] 52 |             .map(|extra_nanos| self.subsec_nanos() as u64 / rhs + extra_nanos)
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.subsec_nanos())`
[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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/duration.rs:94:58
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let un32 = (u1 << s) | (u0.wrapping_shr(64 - s)) & (-(s as i64) >> 63) as u64;
[INFO] [stderr]    |                                                          ^^^^^^^^^^ help: try: `i64::from(s)`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/duration.rs:202:60
[INFO] [stderr]     |
[INFO] [stderr] 202 |             TestResult::from_bool(dur / rhs == dur.div_u64(rhs as u64).unwrap())
[INFO] [stderr]     |                                                            ^^^^^^^^^^ help: try: `u64::from(rhs)`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/duration.rs:214:31
[INFO] [stderr]     |
[INFO] [stderr] 214 |             match dur.mul_u64(rhs as u64) {
[INFO] [stderr]     |                               ^^^^^^^^^^ help: try: `u64::from(rhs)`
[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: unused arithmetic operation that must be used
[INFO] [stderr]    --> src/duration.rs:218:25
[INFO] [stderr]     |
[INFO] [stderr] 218 |                         dur * rhs;
[INFO] [stderr]     |                         ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: statement with no effect
[INFO] [stderr]    --> src/duration.rs:218:25
[INFO] [stderr]     |
[INFO] [stderr] 218 |                         dur * rhs;
[INFO] [stderr]     |                         ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::no_effect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#no_effect
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.17s
[INFO] running `"docker" "inspect" "a3439dcee1abc65fbd3874cf73e5ecc75c075e5926c10963b74764b015fb9824"`
[INFO] running `"docker" "rm" "-f" "a3439dcee1abc65fbd3874cf73e5ecc75c075e5926c10963b74764b015fb9824"`
[INFO] [stdout] a3439dcee1abc65fbd3874cf73e5ecc75c075e5926c10963b74764b015fb9824