[INFO] crate cli-agenda 0.1.2 is already in cache
[INFO] extracting crate cli-agenda 0.1.2 into work/ex/clippy-test-run/sources/stable/reg/cli-agenda/0.1.2
[INFO] extracting crate cli-agenda 0.1.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cli-agenda/0.1.2
[INFO] validating manifest of cli-agenda-0.1.2 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 cli-agenda-0.1.2 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 cli-agenda-0.1.2
[INFO] finished frobbing cli-agenda-0.1.2
[INFO] frobbed toml for cli-agenda-0.1.2 written to work/ex/clippy-test-run/sources/stable/reg/cli-agenda/0.1.2/Cargo.toml
[INFO] started frobbing cli-agenda-0.1.2
[INFO] finished frobbing cli-agenda-0.1.2
[INFO] frobbed toml for cli-agenda-0.1.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cli-agenda/0.1.2/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 cli-agenda-0.1.2 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/cli-agenda/0.1.2:/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] fd4217e970824b10d4202c65bbf20e02fbcf332fd6fa83d4a32e8d770ad52bf6
[INFO] running `"docker" "start" "-a" "fd4217e970824b10d4202c65bbf20e02fbcf332fd6fa83d4a32e8d770ad52bf6"`
[INFO] [stderr]     Checking cli-agenda v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: using `writeln!(t, "")`
[INFO] [stderr]   --> src/lib.rs:68:17
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 writeln!(t, "").unwrap();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: replace it with: `writeln!(t)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::writeln_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `writeln!(t, "")`
[INFO] [stderr]   --> src/lib.rs:68:17
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 writeln!(t, "").unwrap();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: replace it with: `writeln!(t)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::writeln_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/lib.rs:84:35
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn error<D: fmt::Display>(&self, msg: D) {
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:114:34
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn warn<D: fmt::Display>(&self, msg: D) {
[INFO] [stderr]     |                                  ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:144:36
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn single<D: fmt::Display>(&self, name: D) {
[INFO] [stderr]     |                                    ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/lib.rs:84:35
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn error<D: fmt::Display>(&self, msg: D) {
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:114:34
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn warn<D: fmt::Display>(&self, msg: D) {
[INFO] [stderr]     |                                  ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:144:36
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn single<D: fmt::Display>(&self, name: D) {
[INFO] [stderr]     |                                    ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[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: unused variable: `p`
[INFO] [stderr]   --> examples/test.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let p = p.root();
[INFO] [stderr]    |         ^ help: consider using `_p` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `"docker" "inspect" "fd4217e970824b10d4202c65bbf20e02fbcf332fd6fa83d4a32e8d770ad52bf6"`
[INFO] running `"docker" "rm" "-f" "fd4217e970824b10d4202c65bbf20e02fbcf332fd6fa83d4a32e8d770ad52bf6"`
[INFO] [stdout] fd4217e970824b10d4202c65bbf20e02fbcf332fd6fa83d4a32e8d770ad52bf6