[INFO] updating cached repository Johni0702/mumble-web-proxy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Johni0702/mumble-web-proxy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Johni0702/mumble-web-proxy" "work/ex/clippy-test-run/sources/stable/gh/Johni0702/mumble-web-proxy"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Johni0702/mumble-web-proxy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Johni0702/mumble-web-proxy" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Johni0702/mumble-web-proxy"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Johni0702/mumble-web-proxy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2358d2e20fe5ee530eccdba5feedf9eaf72dfdc8
[INFO] sha for GitHub repo Johni0702/mumble-web-proxy: 2358d2e20fe5ee530eccdba5feedf9eaf72dfdc8
[INFO] validating manifest of Johni0702/mumble-web-proxy 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 Johni0702/mumble-web-proxy 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 Johni0702/mumble-web-proxy
[INFO] finished frobbing Johni0702/mumble-web-proxy
[INFO] frobbed toml for Johni0702/mumble-web-proxy written to work/ex/clippy-test-run/sources/stable/gh/Johni0702/mumble-web-proxy/Cargo.toml
[INFO] started frobbing Johni0702/mumble-web-proxy
[INFO] finished frobbing Johni0702/mumble-web-proxy
[INFO] frobbed toml for Johni0702/mumble-web-proxy written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Johni0702/mumble-web-proxy/Cargo.toml
[INFO] crate Johni0702/mumble-web-proxy 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 Johni0702/mumble-web-proxy 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-4/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/Johni0702/mumble-web-proxy:/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] bca7df166fd0aa7aa45357697174001bb13149c753a51cc4751ffeeabbc0b9a9
[INFO] running `"docker" "start" "-a" "bca7df166fd0aa7aa45357697174001bb13149c753a51cc4751ffeeabbc0b9a9"`
[INFO] [stderr] error: failed to load source for a dependency on `nice`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update https://github.com/johni0702/libnice.rs?rev=956d190#956d1904
[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" "bca7df166fd0aa7aa45357697174001bb13149c753a51cc4751ffeeabbc0b9a9"`
[INFO] running `"docker" "rm" "-f" "bca7df166fd0aa7aa45357697174001bb13149c753a51cc4751ffeeabbc0b9a9"`
[INFO] [stdout] bca7df166fd0aa7aa45357697174001bb13149c753a51cc4751ffeeabbc0b9a9