[INFO] crate nitro_fs 0.1.0 is already in cache
[INFO] extracting crate nitro_fs 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/nitro_fs/0.1.0
[INFO] extracting crate nitro_fs 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/nitro_fs/0.1.0
[INFO] validating manifest of nitro_fs-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 nitro_fs-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 nitro_fs-0.1.0
[INFO] finished frobbing nitro_fs-0.1.0
[INFO] frobbed toml for nitro_fs-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/nitro_fs/0.1.0/Cargo.toml
[INFO] started frobbing nitro_fs-0.1.0
[INFO] finished frobbing nitro_fs-0.1.0
[INFO] frobbed toml for nitro_fs-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/nitro_fs/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 nitro_fs-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/nitro_fs/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] 8633d987ddecc1efcf28d7bf74e4561a7ca464a79eca5e6d8db05124eb35c3a7
[INFO] running `"docker" "start" "-a" "8633d987ddecc1efcf28d7bf74e4561a7ca464a79eca5e6d8db05124eb35c3a7"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]     Checking nitro_fs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `bail`
[INFO] [stderr]  --> src/fat.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use failure::{bail, ensure, Fail, Error};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bail`
[INFO] [stderr]  --> src/fat.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use failure::{bail, ensure, Fail, Error};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: item `fat::AllocInfo` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]   --> src/fat.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / impl AllocInfo {
[INFO] [stderr] 20 | |     pub fn new<R: Read>(reader: &mut R) -> Result<Self, Error> {
[INFO] [stderr] 21 | |         Ok(Self {
[INFO] [stderr] 22 | |             start: reader.read_u32::<LittleEndian>()?,
[INFO] [stderr] ...  |
[INFO] [stderr] 29 | |     }
[INFO] [stderr] 30 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/fat.rs:27:16
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn len(&self) -> u32 {
[INFO] [stderr]    |                ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:93:33
[INFO] [stderr]    |
[INFO] [stderr] 93 |             cursor.set_position(dir.offset() as u64);
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(dir.offset())`
[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: item `fat::AllocInfo` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]   --> src/fat.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / impl AllocInfo {
[INFO] [stderr] 20 | |     pub fn new<R: Read>(reader: &mut R) -> Result<Self, Error> {
[INFO] [stderr] 21 | |         Ok(Self {
[INFO] [stderr] 22 | |             start: reader.read_u32::<LittleEndian>()?,
[INFO] [stderr] ...  |
[INFO] [stderr] 29 | |     }
[INFO] [stderr] 30 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/fat.rs:27:16
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn len(&self) -> u32 {
[INFO] [stderr]    |                ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:93:33
[INFO] [stderr]    |
[INFO] [stderr] 93 |             cursor.set_position(dir.offset() as u64);
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(dir.offset())`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `"docker" "inspect" "8633d987ddecc1efcf28d7bf74e4561a7ca464a79eca5e6d8db05124eb35c3a7"`
[INFO] running `"docker" "rm" "-f" "8633d987ddecc1efcf28d7bf74e4561a7ca464a79eca5e6d8db05124eb35c3a7"`
[INFO] [stdout] 8633d987ddecc1efcf28d7bf74e4561a7ca464a79eca5e6d8db05124eb35c3a7