[INFO] updating cached repository VitalyAnkh/learn_error_handling
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/VitalyAnkh/learn_error_handling
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/VitalyAnkh/learn_error_handling" "work/ex/clippy-test-run/sources/stable/gh/VitalyAnkh/learn_error_handling"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/VitalyAnkh/learn_error_handling'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/VitalyAnkh/learn_error_handling" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/VitalyAnkh/learn_error_handling"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/VitalyAnkh/learn_error_handling'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a9cf67b08bbfba5b416953d982e1a8eada6ad2f8
[INFO] sha for GitHub repo VitalyAnkh/learn_error_handling: a9cf67b08bbfba5b416953d982e1a8eada6ad2f8
[INFO] validating manifest of VitalyAnkh/learn_error_handling 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 VitalyAnkh/learn_error_handling 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 VitalyAnkh/learn_error_handling
[INFO] finished frobbing VitalyAnkh/learn_error_handling
[INFO] frobbed toml for VitalyAnkh/learn_error_handling written to work/ex/clippy-test-run/sources/stable/gh/VitalyAnkh/learn_error_handling/Cargo.toml
[INFO] started frobbing VitalyAnkh/learn_error_handling
[INFO] finished frobbing VitalyAnkh/learn_error_handling
[INFO] frobbed toml for VitalyAnkh/learn_error_handling written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/VitalyAnkh/learn_error_handling/Cargo.toml
[INFO] crate VitalyAnkh/learn_error_handling has a lockfile. skipping
[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 VitalyAnkh/learn_error_handling 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/gh/VitalyAnkh/learn_error_handling:/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] fe796ca9495030636bb49fffa63d924cffc5b3f4c5560775e1deb7ebb2ecc3b7
[INFO] running `"docker" "start" "-a" "fe796ca9495030636bb49fffa63d924cffc5b3f4c5560775e1deb7ebb2ecc3b7"`
[INFO] [stderr]     Checking learn_error_handling v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Cons`, `Nil`
[INFO] [stderr]  --> src/smart_pointer/rc.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | use self::List::{Cons,Nil};
[INFO] [stderr]   |                  ^^^^ ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Guess`
[INFO] [stderr]  --> src/read/mod.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Guess {
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/read/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn new(value: u32) -> Guess {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `List`
[INFO] [stderr]  --> src/smart_pointer/rc.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | enum List{
[INFO] [stderr]   | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/read/mod.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |         if value < 0 || value > 100 {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_comparisons)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: this comparison involving the minimum or maximum element for this type contains a case that is always true or always false
[INFO] [stderr]   --> src/read/mod.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |         if value < 0 || value > 100 {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::absurd_extreme_comparisons)] on by default
[INFO] [stderr]    = help: because 0 is the minimum value for this type, this comparison is always false
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#absurd_extreme_comparisons
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `learn_error_handling`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/smart_pointer/rc.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let b = Cons(2,Rc::clone(&a));
[INFO] [stderr]    |         ^ help: consider using `_b` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]  --> src/smart_pointer/ref_cell.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut y =&a;
[INFO] [stderr]   |             ^ help: consider using `_y` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/smart_pointer/ref_cell.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut y =&a;
[INFO] [stderr]   |         ----^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `value`
[INFO] [stderr]  --> src/read/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     value: u32
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/read/mod.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |         if value < 0 || value > 100 {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_comparisons)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: this comparison involving the minimum or maximum element for this type contains a case that is always true or always false
[INFO] [stderr]   --> src/read/mod.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |         if value < 0 || value > 100 {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::absurd_extreme_comparisons)] on by default
[INFO] [stderr]    = help: because 0 is the minimum value for this type, this comparison is always false
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#absurd_extreme_comparisons
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `learn_error_handling`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fe796ca9495030636bb49fffa63d924cffc5b3f4c5560775e1deb7ebb2ecc3b7"`
[INFO] running `"docker" "rm" "-f" "fe796ca9495030636bb49fffa63d924cffc5b3f4c5560775e1deb7ebb2ecc3b7"`
[INFO] [stdout] fe796ca9495030636bb49fffa63d924cffc5b3f4c5560775e1deb7ebb2ecc3b7