[INFO] crate infer_fs 0.1.6 is already in cache
[INFO] extracting crate infer_fs 0.1.6 into work/ex/clippy-test-run/sources/stable/reg/infer_fs/0.1.6
[INFO] extracting crate infer_fs 0.1.6 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/infer_fs/0.1.6
[INFO] validating manifest of infer_fs-0.1.6 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 infer_fs-0.1.6 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 infer_fs-0.1.6
[INFO] finished frobbing infer_fs-0.1.6
[INFO] frobbed toml for infer_fs-0.1.6 written to work/ex/clippy-test-run/sources/stable/reg/infer_fs/0.1.6/Cargo.toml
[INFO] started frobbing infer_fs-0.1.6
[INFO] finished frobbing infer_fs-0.1.6
[INFO] frobbed toml for infer_fs-0.1.6 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/infer_fs/0.1.6/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 infer_fs-0.1.6 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/infer_fs/0.1.6:/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] 46ca0c2a53d6b7fd214f5404bcc0c6bf3ec7d1e98f5723d3a777d4a2f1fe907a
[INFO] running `"docker" "start" "-a" "46ca0c2a53d6b7fd214f5404bcc0c6bf3ec7d1e98f5723d3a777d4a2f1fe907a"`
[INFO] [stderr]     Checking infer_fs v0.1.6 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/lib.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{Read, BufRead, BufReader, Error};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]   --> src/lib.rs:42:20
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 if rem.len() < 1{
[INFO] [stderr]    |                    ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `rem.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: length comparison to zero
[INFO] [stderr]   --> src/lib.rs:90:8
[INFO] [stderr]    |
[INFO] [stderr] 90 |     if tvec.len() == 0{
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `tvec.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/lib.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{Read, BufRead, BufReader, Error};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]   --> src/lib.rs:42:20
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 if rem.len() < 1{
[INFO] [stderr]    |                    ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `rem.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: length comparison to zero
[INFO] [stderr]   --> src/lib.rs:90:8
[INFO] [stderr]    |
[INFO] [stderr] 90 |     if tvec.len() == 0{
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `tvec.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `"docker" "inspect" "46ca0c2a53d6b7fd214f5404bcc0c6bf3ec7d1e98f5723d3a777d4a2f1fe907a"`
[INFO] running `"docker" "rm" "-f" "46ca0c2a53d6b7fd214f5404bcc0c6bf3ec7d1e98f5723d3a777d4a2f1fe907a"`
[INFO] [stdout] 46ca0c2a53d6b7fd214f5404bcc0c6bf3ec7d1e98f5723d3a777d4a2f1fe907a