[INFO] updating cached repository tomafro/flashlight
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tomafro/flashlight
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tomafro/flashlight" "work/ex/clippy-test-run/sources/stable/gh/tomafro/flashlight"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/tomafro/flashlight'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tomafro/flashlight" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tomafro/flashlight"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tomafro/flashlight'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e7529d89eb9d97841151555e04a68763e7d1b0c0
[INFO] sha for GitHub repo tomafro/flashlight: e7529d89eb9d97841151555e04a68763e7d1b0c0
[INFO] validating manifest of tomafro/flashlight 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 tomafro/flashlight 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 tomafro/flashlight
[INFO] finished frobbing tomafro/flashlight
[INFO] frobbed toml for tomafro/flashlight written to work/ex/clippy-test-run/sources/stable/gh/tomafro/flashlight/Cargo.toml
[INFO] started frobbing tomafro/flashlight
[INFO] finished frobbing tomafro/flashlight
[INFO] frobbed toml for tomafro/flashlight written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tomafro/flashlight/Cargo.toml
[INFO] crate tomafro/flashlight 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 tomafro/flashlight against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/tomafro/flashlight:/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] 6e4e4a653563191ac5cffaf98a78b99851e8317eb6967baeaf35fdec0a268a0a
[INFO] running `"docker" "start" "-a" "6e4e4a653563191ac5cffaf98a78b99851e8317eb6967baeaf35fdec0a268a0a"`
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.0
[INFO] [stderr]    Compiling unindent v0.1.2
[INFO] [stderr]     Checking isatty v0.1.6
[INFO] [stderr]     Checking docopt v0.8.3
[INFO] [stderr]    Compiling proc-macro-hack v0.4.0
[INFO] [stderr]    Compiling indoc-impl v0.2.3
[INFO] [stderr]     Checking indoc v0.2.3
[INFO] [stderr]     Checking flashlight v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `flashlight`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `flashlight`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6e4e4a653563191ac5cffaf98a78b99851e8317eb6967baeaf35fdec0a268a0a"`
[INFO] running `"docker" "rm" "-f" "6e4e4a653563191ac5cffaf98a78b99851e8317eb6967baeaf35fdec0a268a0a"`
[INFO] [stdout] 6e4e4a653563191ac5cffaf98a78b99851e8317eb6967baeaf35fdec0a268a0a