[INFO] updating cached repository sbeckeriv/greedy-color
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sbeckeriv/greedy-color
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sbeckeriv/greedy-color" "work/ex/clippy-test-run/sources/stable/gh/sbeckeriv/greedy-color"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/sbeckeriv/greedy-color'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sbeckeriv/greedy-color" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/sbeckeriv/greedy-color"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/sbeckeriv/greedy-color'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fb88ba8f338e4944da2a6998635fca5f393715db
[INFO] sha for GitHub repo sbeckeriv/greedy-color: fb88ba8f338e4944da2a6998635fca5f393715db
[INFO] validating manifest of sbeckeriv/greedy-color 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 sbeckeriv/greedy-color 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 sbeckeriv/greedy-color
[INFO] finished frobbing sbeckeriv/greedy-color
[INFO] frobbed toml for sbeckeriv/greedy-color written to work/ex/clippy-test-run/sources/stable/gh/sbeckeriv/greedy-color/Cargo.toml
[INFO] started frobbing sbeckeriv/greedy-color
[INFO] finished frobbing sbeckeriv/greedy-color
[INFO] frobbed toml for sbeckeriv/greedy-color written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/sbeckeriv/greedy-color/Cargo.toml
[INFO] crate sbeckeriv/greedy-color 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 sbeckeriv/greedy-color 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/gh/sbeckeriv/greedy-color:/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] d1ad6ca46ed5c7d778adb06043e310719c6b38023ad611ed024221dbe3a4b162
[INFO] running `"docker" "start" "-a" "d1ad6ca46ed5c7d778adb06043e310719c6b38023ad611ed024221dbe3a4b162"`
[INFO] [stderr]    Compiling ruby-sys v0.2.17
[INFO] [stderr]     Checking libc v0.2.11
[INFO] [stderr]     Checking ruru v0.9.1
[INFO] [stderr]     Checking hash_color v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `AnyObject`, `Boolean`, `VM`
[INFO] [stderr]  --> src/lib.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | use ruru::{AnyObject, Boolean, Class, Fixnum, Hash, VM, Array};
[INFO] [stderr]   |            ^^^^^^^^^  ^^^^^^^                       ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ruru::types::Argc`
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ruru::types::Argc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/lib.rs:6:33
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::collections::{HashSet, HashMap};
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AnyObject`, `Boolean`, `VM`
[INFO] [stderr]  --> src/lib.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | use ruru::{AnyObject, Boolean, Class, Fixnum, Hash, VM, Array};
[INFO] [stderr]   |            ^^^^^^^^^  ^^^^^^^                       ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ruru::types::Argc`
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ruru::types::Argc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/lib.rs:6:33
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::collections::{HashSet, HashMap};
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `array_list`, which is a `Result`. This is more readably written as an `if let` statement.
[INFO] [stderr]   --> src/lib.rs:22:26
[INFO] [stderr]    |
[INFO] [stderr] 22 |                 for x in array_list {
[INFO] [stderr]    |                          ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::for_loop_over_result)] on by default
[INFO] [stderr]    = help: consider replacing `for x in array_list` with `if let Ok(x) = array_list`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_result
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `hash_color`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: for loop over `array_list`, which is a `Result`. This is more readably written as an `if let` statement.
[INFO] [stderr]   --> src/lib.rs:22:26
[INFO] [stderr]    |
[INFO] [stderr] 22 |                 for x in array_list {
[INFO] [stderr]    |                          ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::for_loop_over_result)] on by default
[INFO] [stderr]    = help: consider replacing `for x in array_list` with `if let Ok(x) = array_list`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_result
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `hash_color`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d1ad6ca46ed5c7d778adb06043e310719c6b38023ad611ed024221dbe3a4b162"`
[INFO] running `"docker" "rm" "-f" "d1ad6ca46ed5c7d778adb06043e310719c6b38023ad611ed024221dbe3a4b162"`
[INFO] [stdout] d1ad6ca46ed5c7d778adb06043e310719c6b38023ad611ed024221dbe3a4b162