Nov 04 03:01:45.082 INFO checking matthiaskrgr/cargo-cache against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 04 03:01:45.083 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-7/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +2ad8c7b3502616aff142a4640cce911c6c2c5463-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 04 03:01:45.500 INFO blam! 682de192176987ddde3e759e42c85c33807908eaf7791519c338f3a6d586d758
Nov 04 03:01:45.502 INFO running `"docker" "start" "-a" "682de192176987ddde3e759e42c85c33807908eaf7791519c338f3a6d586d758"`
Nov 04 03:01:46.024 INFO kablam! usermod: no changes
Nov 04 03:01:46.067 INFO kablam! error: failed to load source for a dependency on `rustc_tools_util`
Nov 04 03:01:46.067 INFO kablam! 
Nov 04 03:01:46.067 INFO kablam! Caused by:
Nov 04 03:01:46.068 INFO kablam!   Unable to update https://github.com/rust-lang-nursery/rust-clippy?rev=f40c4fa51d308bd32b4b3e3302bad8965d10ffbc#f40c4fa5
Nov 04 03:01:46.068 INFO kablam! 
Nov 04 03:01:46.068 INFO kablam! Caused by:
Nov 04 03:01:46.068 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Nov 04 03:01:46.068 INFO kablam! 
Nov 04 03:01:46.068 INFO kablam! Caused by:
Nov 04 03:01:46.068 INFO kablam!   Read-only file system (os error 30)
Nov 04 03:01:46.069 INFO kablam! su: No module specific data is present
Nov 04 03:01:46.412 INFO running `"docker" "rm" "-f" "682de192176987ddde3e759e42c85c33807908eaf7791519c338f3a6d586d758"`
Nov 04 03:01:46.497 INFO blam! 682de192176987ddde3e759e42c85c33807908eaf7791519c338f3a6d586d758