[INFO] updating cached repository racr-rust/racr-compose
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/racr-rust/racr-compose
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/racr-rust/racr-compose" "work/ex/clippy-test-run/sources/stable/gh/racr-rust/racr-compose"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/racr-rust/racr-compose'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/racr-rust/racr-compose" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/racr-rust/racr-compose"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/racr-rust/racr-compose'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 766cc1dbb26e561c1617aa8a7d16c4cb1fb735c0
[INFO] sha for GitHub repo racr-rust/racr-compose: 766cc1dbb26e561c1617aa8a7d16c4cb1fb735c0
[INFO] validating manifest of racr-rust/racr-compose 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 racr-rust/racr-compose 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 racr-rust/racr-compose
[INFO] finished frobbing racr-rust/racr-compose
[INFO] frobbed toml for racr-rust/racr-compose written to work/ex/clippy-test-run/sources/stable/gh/racr-rust/racr-compose/Cargo.toml
[INFO] started frobbing racr-rust/racr-compose
[INFO] finished frobbing racr-rust/racr-compose
[INFO] frobbed toml for racr-rust/racr-compose written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/racr-rust/racr-compose/Cargo.toml
[INFO] crate racr-rust/racr-compose 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 racr-rust/racr-compose against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/racr-rust/racr-compose:/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] afd489fc83d8250d3b65c01d1697a42913e41965449a64490ed07120e5faeeac
[INFO] running `"docker" "start" "-a" "afd489fc83d8250d3b65c01d1697a42913e41965449a64490ed07120e5faeeac"`
[INFO] [stderr] error: failed to load source for a dependency on `racr`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update https://github.com/kjetilkjeka/racr-format.git?rev=07755f60462d646208b6090a40c070af7b4884ac#07755f60
[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" "afd489fc83d8250d3b65c01d1697a42913e41965449a64490ed07120e5faeeac"`
[INFO] running `"docker" "rm" "-f" "afd489fc83d8250d3b65c01d1697a42913e41965449a64490ed07120e5faeeac"`
[INFO] [stdout] afd489fc83d8250d3b65c01d1697a42913e41965449a64490ed07120e5faeeac