Nov 01 12:58:21.468 INFO checking Big-B/guided-rocket-rs against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 12:58:21.470 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 12:58:21.986 INFO blam! 97bc4b883128b6de20aa4f817ef6d0c219fc594035823e0b79ab0babe7c37442
Nov 01 12:58:21.988 INFO running `"docker" "start" "-a" "97bc4b883128b6de20aa4f817ef6d0c219fc594035823e0b79ab0babe7c37442"`
Nov 01 12:58:24.075 INFO kablam! usermod: no changes
Nov 01 12:58:24.148 INFO kablam! error: failed to load source for a dependency on `arduino_mkrzero`
Nov 01 12:58:24.148 INFO kablam! 
Nov 01 12:58:24.148 INFO kablam! Caused by:
Nov 01 12:58:24.148 INFO kablam!   Unable to update https://github.com/djmcgill/atsamd21-rs#feb85bef
Nov 01 12:58:24.148 INFO kablam! 
Nov 01 12:58:24.148 INFO kablam! Caused by:
Nov 01 12:58:24.148 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Nov 01 12:58:24.148 INFO kablam! 
Nov 01 12:58:24.148 INFO kablam! Caused by:
Nov 01 12:58:24.148 INFO kablam!   Read-only file system (os error 30)
Nov 01 12:58:24.148 INFO kablam! su: No module specific data is present
Nov 01 12:58:25.392 INFO running `"docker" "rm" "-f" "97bc4b883128b6de20aa4f817ef6d0c219fc594035823e0b79ab0babe7c37442"`
Nov 01 12:58:25.720 INFO blam! 97bc4b883128b6de20aa4f817ef6d0c219fc594035823e0b79ab0babe7c37442