[INFO] crate rdrand 0.3.0 is already in cache
[INFO] extracting crate rdrand 0.3.0 into work/ex/clippy-test-run/sources/stable/reg/rdrand/0.3.0
[INFO] extracting crate rdrand 0.3.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rdrand/0.3.0
[INFO] validating manifest of rdrand-0.3.0 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 rdrand-0.3.0 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 rdrand-0.3.0
[INFO] finished frobbing rdrand-0.3.0
[INFO] frobbed toml for rdrand-0.3.0 written to work/ex/clippy-test-run/sources/stable/reg/rdrand/0.3.0/Cargo.toml
[INFO] started frobbing rdrand-0.3.0
[INFO] finished frobbing rdrand-0.3.0
[INFO] frobbed toml for rdrand-0.3.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rdrand/0.3.0/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 rdrand-0.3.0 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rdrand/0.3.0:/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 -Dclippy::into_iter_on_array" "-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] 4af436ee9905e29d5a87653c268bfcd4e4c38d597ee7b7dcddc9263bea6ab822
[INFO] running `"docker" "start" "-a" "4af436ee9905e29d5a87653c268bfcd4e4c38d597ee7b7dcddc9263bea6ab822"`
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rdrand v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/lib.rs:308:24
[INFO] [stderr]     |
[INFO] [stderr] 308 |                   if let Err(_) = self.try_fill_bytes(dest) {
[INFO] [stderr]     |  _________________-      ^^^^^^
[INFO] [stderr] 309 | |                     busy_loop_fail()
[INFO] [stderr] 310 | |                 }
[INFO] [stderr]     | |_________________- help: try this: `if self.try_fill_bytes(dest).is_err()`
[INFO] [stderr] ...
[INFO] [stderr] 395 | / impl_rand!(RdRand, "rdrand",
[INFO] [stderr] 396 | |            ::arch::_rdrand16_step, ::arch::_rdrand32_step, ::arch::_rdrand64_step,
[INFO] [stderr] 397 | |            maxstep = ::arch::_rdrand64_step, maxty = u64);
[INFO] [stderr]     | |__________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/lib.rs:308:24
[INFO] [stderr]     |
[INFO] [stderr] 308 |                   if let Err(_) = self.try_fill_bytes(dest) {
[INFO] [stderr]     |  _________________-      ^^^^^^
[INFO] [stderr] 309 | |                     busy_loop_fail()
[INFO] [stderr] 310 | |                 }
[INFO] [stderr]     | |_________________- help: try this: `if self.try_fill_bytes(dest).is_err()`
[INFO] [stderr] ...
[INFO] [stderr] 399 | / impl_rand!(RdSeed, "rdseed",
[INFO] [stderr] 400 | |            ::arch::_rdseed16_step, ::arch::_rdseed32_step, ::arch::_rdseed64_step,
[INFO] [stderr] 401 | |            maxstep = ::arch::_rdseed64_step, maxty = u64);
[INFO] [stderr]     | |__________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/lib.rs:308:24
[INFO] [stderr]     |
[INFO] [stderr] 308 |                   if let Err(_) = self.try_fill_bytes(dest) {
[INFO] [stderr]     |  _________________-      ^^^^^^
[INFO] [stderr] 309 | |                     busy_loop_fail()
[INFO] [stderr] 310 | |                 }
[INFO] [stderr]     | |_________________- help: try this: `if self.try_fill_bytes(dest).is_err()`
[INFO] [stderr] ...
[INFO] [stderr] 395 | / impl_rand!(RdRand, "rdrand",
[INFO] [stderr] 396 | |            ::arch::_rdrand16_step, ::arch::_rdrand32_step, ::arch::_rdrand64_step,
[INFO] [stderr] 397 | |            maxstep = ::arch::_rdrand64_step, maxty = u64);
[INFO] [stderr]     | |__________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/lib.rs:308:24
[INFO] [stderr]     |
[INFO] [stderr] 308 |                   if let Err(_) = self.try_fill_bytes(dest) {
[INFO] [stderr]     |  _________________-      ^^^^^^
[INFO] [stderr] 309 | |                     busy_loop_fail()
[INFO] [stderr] 310 | |                 }
[INFO] [stderr]     | |_________________- help: try this: `if self.try_fill_bytes(dest).is_err()`
[INFO] [stderr] ...
[INFO] [stderr] 399 | / impl_rand!(RdSeed, "rdseed",
[INFO] [stderr] 400 | |            ::arch::_rdseed16_step, ::arch::_rdseed32_step, ::arch::_rdseed64_step,
[INFO] [stderr] 401 | |            maxstep = ::arch::_rdseed64_step, maxty = u64);
[INFO] [stderr]     | |__________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:432:21
[INFO] [stderr]     |
[INFO] [stderr] 432 |                     *b = *b | *p;
[INFO] [stderr]     |                     ^^^^^^^^^^^^ help: replace it with: `*b |= *p`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/rdrand.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![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 `rdrand`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/rdseed.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![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 `rdrand`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4af436ee9905e29d5a87653c268bfcd4e4c38d597ee7b7dcddc9263bea6ab822"`
[INFO] running `"docker" "rm" "-f" "4af436ee9905e29d5a87653c268bfcd4e4c38d597ee7b7dcddc9263bea6ab822"`
[INFO] [stdout] 4af436ee9905e29d5a87653c268bfcd4e4c38d597ee7b7dcddc9263bea6ab822