[INFO] updating cached repository rep-nop/cargo-localreg
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rep-nop/cargo-localreg
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rep-nop/cargo-localreg" "work/ex/clippy-test-run/sources/stable/gh/rep-nop/cargo-localreg"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/rep-nop/cargo-localreg'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rep-nop/cargo-localreg" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/rep-nop/cargo-localreg"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/rep-nop/cargo-localreg'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4ad67aa235c6411095c0768ed97633b3c621a577
[INFO] sha for GitHub repo rep-nop/cargo-localreg: 4ad67aa235c6411095c0768ed97633b3c621a577
[INFO] validating manifest of rep-nop/cargo-localreg 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 rep-nop/cargo-localreg 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 rep-nop/cargo-localreg
[INFO] finished frobbing rep-nop/cargo-localreg
[INFO] frobbed toml for rep-nop/cargo-localreg written to work/ex/clippy-test-run/sources/stable/gh/rep-nop/cargo-localreg/Cargo.toml
[INFO] started frobbing rep-nop/cargo-localreg
[INFO] finished frobbing rep-nop/cargo-localreg
[INFO] frobbed toml for rep-nop/cargo-localreg written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/rep-nop/cargo-localreg/Cargo.toml
[INFO] crate rep-nop/cargo-localreg 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 rep-nop/cargo-localreg 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-0/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/rep-nop/cargo-localreg:/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] 88737ef79b3ab1f37955cb97a6e7e7af59fc760fdaa4dc8b9437bf81d2b8d9be
[INFO] running `"docker" "start" "-a" "88737ef79b3ab1f37955cb97a6e7e7af59fc760fdaa4dc8b9437bf81d2b8d9be"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr] error: failed to load source for a dependency on `cargo`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update https://github.com/rep-nop/cargo?branch=serialize-index-info#8047cf9d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to open: /opt/crater/cargo-home/git/.cargo-lock-git
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `"docker" "inspect" "88737ef79b3ab1f37955cb97a6e7e7af59fc760fdaa4dc8b9437bf81d2b8d9be"`
[INFO] running `"docker" "rm" "-f" "88737ef79b3ab1f37955cb97a6e7e7af59fc760fdaa4dc8b9437bf81d2b8d9be"`
[INFO] [stdout] 88737ef79b3ab1f37955cb97a6e7e7af59fc760fdaa4dc8b9437bf81d2b8d9be