[INFO] updating cached repository adubois/rust-books
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/adubois/rust-books
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/adubois/rust-books" "work/ex/clippy-test-run/sources/stable/gh/adubois/rust-books"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/adubois/rust-books'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/adubois/rust-books" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/adubois/rust-books"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/adubois/rust-books'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ec5a474deaea1cd47a310d80dc079774b20a44de
[INFO] sha for GitHub repo adubois/rust-books: ec5a474deaea1cd47a310d80dc079774b20a44de
[INFO] validating manifest of adubois/rust-books 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 adubois/rust-books 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 adubois/rust-books
[INFO] finished frobbing adubois/rust-books
[INFO] frobbed toml for adubois/rust-books written to work/ex/clippy-test-run/sources/stable/gh/adubois/rust-books/Cargo.toml
[INFO] started frobbing adubois/rust-books
[INFO] finished frobbing adubois/rust-books
[INFO] frobbed toml for adubois/rust-books written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/adubois/rust-books/Cargo.toml
[INFO] crate adubois/rust-books 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 adubois/rust-books against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/adubois/rust-books:/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] e88679fa4cb52c764932ff0da3585f86e1538ad78f538f3fcc4f57b973c11237
[INFO] running `"docker" "start" "-a" "e88679fa4cb52c764932ff0da3585f86e1538ad78f538f3fcc4f57b973c11237"`
[INFO] [stderr] error: failed to load source for a dependency on `rocket`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update https://github.com/SergioBenitez/Rocket#085a1430
[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" "e88679fa4cb52c764932ff0da3585f86e1538ad78f538f3fcc4f57b973c11237"`
[INFO] running `"docker" "rm" "-f" "e88679fa4cb52c764932ff0da3585f86e1538ad78f538f3fcc4f57b973c11237"`
[INFO] [stdout] e88679fa4cb52c764932ff0da3585f86e1538ad78f538f3fcc4f57b973c11237