[INFO] crate daemonize-rs 0.1.0 is already in cache
[INFO] extracting crate daemonize-rs 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/daemonize-rs/0.1.0
[INFO] extracting crate daemonize-rs 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/daemonize-rs/0.1.0
[INFO] validating manifest of daemonize-rs-0.1.0 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 daemonize-rs-0.1.0 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 daemonize-rs-0.1.0
[INFO] finished frobbing daemonize-rs-0.1.0
[INFO] frobbed toml for daemonize-rs-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/daemonize-rs/0.1.0/Cargo.toml
[INFO] started frobbing daemonize-rs-0.1.0
[INFO] finished frobbing daemonize-rs-0.1.0
[INFO] frobbed toml for daemonize-rs-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/daemonize-rs/0.1.0/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 daemonize-rs-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/daemonize-rs/0.1.0:/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] b654ddc285b846626331d21b541400058155009253c6a0b621cbd0d6f362e852
[INFO] running `"docker" "start" "-a" "b654ddc285b846626331d21b541400058155009253c6a0b621cbd0d6f362e852"`
[INFO] [stderr]     Checking daemonize-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:202:4
[INFO] [stderr]     |
[INFO] [stderr] 202 |             return Ok(Handle::from_fd(tx));
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Handle::from_fd(tx))`
[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/lib.rs:306:2
[INFO] [stderr]     |
[INFO] [stderr] 306 |     return Ok(size)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(size)`
[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/lib.rs:202:4
[INFO] [stderr]     |
[INFO] [stderr] 202 |             return Ok(Handle::from_fd(tx));
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Handle::from_fd(tx))`
[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/lib.rs:306:2
[INFO] [stderr]     |
[INFO] [stderr] 306 |     return Ok(size)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(size)`
[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: transmute from a reference to a pointer
[INFO] [stderr]    --> src/lib.rs:100:18
[INFO] [stderr]     |
[INFO] [stderr] 100 |             let fd = open(mem::transmute(b"/dev/null\0"), libc::O_RDWR);
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `b"/dev/null\0" as *const [u8; 10] as *const i8`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_transmute)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:195:14
[INFO] [stderr]     |
[INFO] [stderr] 195 |             ).map_err(|err| ErrorKind::WritePid(err))?;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `ErrorKind::WritePid`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:229:14
[INFO] [stderr]     |
[INFO] [stderr] 229 |             ).map_err(|err| ErrorKind::RegisterationError(err))?;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `ErrorKind::RegisterationError`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:236:14
[INFO] [stderr]     |
[INFO] [stderr] 236 |             ).map_err(|err| ErrorKind::RegisterationError(err))?;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `ErrorKind::RegisterationError`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:243:14
[INFO] [stderr]     |
[INFO] [stderr] 243 |             ).map_err(|err| ErrorKind::RegisterationError(err))?;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `ErrorKind::RegisterationError`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: `0 as *mut _` detected. Consider using `ptr::null_mut()`
[INFO] [stderr]    --> src/lib.rs:256:24
[INFO] [stderr]     |
[INFO] [stderr] 256 |                                 splice(out_rx, 0 as *mut _, STDOUT_FILENO, 0 as *mut _, size, 0),
[INFO] [stderr]     |                                                ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::zero_ptr)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: `0 as *mut _` detected. Consider using `ptr::null_mut()`
[INFO] [stderr]    --> src/lib.rs:256:52
[INFO] [stderr]     |
[INFO] [stderr] 256 |                                 splice(out_rx, 0 as *mut _, STDOUT_FILENO, 0 as *mut _, size, 0),
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: `0 as *mut _` detected. Consider using `ptr::null_mut()`
[INFO] [stderr]    --> src/lib.rs:264:24
[INFO] [stderr]     |
[INFO] [stderr] 264 |                                 splice(err_rx, 0 as *mut _, STDERR_FILENO, 0 as *mut _, size, 0),
[INFO] [stderr]     |                                                ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: `0 as *mut _` detected. Consider using `ptr::null_mut()`
[INFO] [stderr]    --> src/lib.rs:264:52
[INFO] [stderr]     |
[INFO] [stderr] 264 |                                 splice(err_rx, 0 as *mut _, STDERR_FILENO, 0 as *mut _, size, 0),
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: `0 as *mut _` detected. Consider using `ptr::null_mut()`
[INFO] [stderr]    --> src/lib.rs:272:20
[INFO] [stderr]     |
[INFO] [stderr] 272 |                                 splice(rx, 0 as *mut _, STDOUT_FILENO, 0 as *mut _, size, 0),
[INFO] [stderr]     |                                            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: `0 as *mut _` detected. Consider using `ptr::null_mut()`
[INFO] [stderr]    --> src/lib.rs:272:48
[INFO] [stderr]     |
[INFO] [stderr] 272 |                                 splice(rx, 0 as *mut _, STDOUT_FILENO, 0 as *mut _, size, 0),
[INFO] [stderr]     |                                                                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a pointer
[INFO] [stderr]    --> src/lib.rs:100:18
[INFO] [stderr]     |
[INFO] [stderr] 100 |             let fd = open(mem::transmute(b"/dev/null\0"), libc::O_RDWR);
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `b"/dev/null\0" as *const [u8; 10] as *const i8`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_transmute)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:195:14
[INFO] [stderr]     |
[INFO] [stderr] 195 |             ).map_err(|err| ErrorKind::WritePid(err))?;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `ErrorKind::WritePid`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:229:14
[INFO] [stderr]     |
[INFO] [stderr] 229 |             ).map_err(|err| ErrorKind::RegisterationError(err))?;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `ErrorKind::RegisterationError`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:236:14
[INFO] [stderr]     |
[INFO] [stderr] 236 |             ).map_err(|err| ErrorKind::RegisterationError(err))?;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `ErrorKind::RegisterationError`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:243:14
[INFO] [stderr]     |
[INFO] [stderr] 243 |             ).map_err(|err| ErrorKind::RegisterationError(err))?;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `ErrorKind::RegisterationError`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: `0 as *mut _` detected. Consider using `ptr::null_mut()`
[INFO] [stderr]    --> src/lib.rs:256:24
[INFO] [stderr]     |
[INFO] [stderr] 256 |                                 splice(out_rx, 0 as *mut _, STDOUT_FILENO, 0 as *mut _, size, 0),
[INFO] [stderr]     |                                                ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::zero_ptr)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: `0 as *mut _` detected. Consider using `ptr::null_mut()`
[INFO] [stderr]    --> src/lib.rs:256:52
[INFO] [stderr]     |
[INFO] [stderr] 256 |                                 splice(out_rx, 0 as *mut _, STDOUT_FILENO, 0 as *mut _, size, 0),
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: `0 as *mut _` detected. Consider using `ptr::null_mut()`
[INFO] [stderr]    --> src/lib.rs:264:24
[INFO] [stderr]     |
[INFO] [stderr] 264 |                                 splice(err_rx, 0 as *mut _, STDERR_FILENO, 0 as *mut _, size, 0),
[INFO] [stderr]     |                                                ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: `0 as *mut _` detected. Consider using `ptr::null_mut()`
[INFO] [stderr]    --> src/lib.rs:264:52
[INFO] [stderr]     |
[INFO] [stderr] 264 |                                 splice(err_rx, 0 as *mut _, STDERR_FILENO, 0 as *mut _, size, 0),
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: `0 as *mut _` detected. Consider using `ptr::null_mut()`
[INFO] [stderr]    --> src/lib.rs:272:20
[INFO] [stderr]     |
[INFO] [stderr] 272 |                                 splice(rx, 0 as *mut _, STDOUT_FILENO, 0 as *mut _, size, 0),
[INFO] [stderr]     |                                            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: `0 as *mut _` detected. Consider using `ptr::null_mut()`
[INFO] [stderr]    --> src/lib.rs:272:48
[INFO] [stderr]     |
[INFO] [stderr] 272 |                                 splice(rx, 0 as *mut _, STDOUT_FILENO, 0 as *mut _, size, 0),
[INFO] [stderr]     |                                                                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `env`, `thread`, `time`
[INFO] [stderr]  --> tests/tests.rs:3:2
[INFO] [stderr]   |
[INFO] [stderr] 3 |     env,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 4 |     thread,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 5 |     time,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/tests.rs:21:2
[INFO] [stderr]    |
[INFO] [stderr] 21 |     file.read_to_string(&mut pid);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.38s
[INFO] running `"docker" "inspect" "b654ddc285b846626331d21b541400058155009253c6a0b621cbd0d6f362e852"`
[INFO] running `"docker" "rm" "-f" "b654ddc285b846626331d21b541400058155009253c6a0b621cbd0d6f362e852"`
[INFO] [stdout] b654ddc285b846626331d21b541400058155009253c6a0b621cbd0d6f362e852