Dec 12 19:35:58.954 INFO testing zeratul2099/mercury against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 12 19:35:58.954 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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"`
Dec 12 19:35:59.419 INFO [stdout] c8e7dce420eab04f6452bdca4cdfe1f6b22554df7238f97650b68f8397473e6d
Dec 12 19:35:59.419 INFO running `"docker" "start" "-a" "c8e7dce420eab04f6452bdca4cdfe1f6b22554df7238f97650b68f8397473e6d"`
Dec 12 19:36:00.463 INFO [stderr] usermod: no changes
Dec 12 19:36:00.565 INFO [stderr] error: failed to load source for a dependency on `rocket`
Dec 12 19:36:00.566 INFO [stderr] 
Dec 12 19:36:00.566 INFO [stderr] Caused by:
Dec 12 19:36:00.566 INFO [stderr]   Unable to update https://github.com/SergioBenitez/Rocket.git#8741e678
Dec 12 19:36:00.566 INFO [stderr] 
Dec 12 19:36:00.566 INFO [stderr] Caused by:
Dec 12 19:36:00.566 INFO [stderr]   failed to open: /cargo-home/git/.cargo-lock-git
Dec 12 19:36:00.566 INFO [stderr] 
Dec 12 19:36:00.566 INFO [stderr] Caused by:
Dec 12 19:36:00.566 INFO [stderr]   Read-only file system (os error 30)
Dec 12 19:36:00.568 INFO [stderr] su: No module specific data is present
Dec 12 19:36:01.143 INFO running `"docker" "inspect" "c8e7dce420eab04f6452bdca4cdfe1f6b22554df7238f97650b68f8397473e6d"`
Dec 12 19:36:01.511 INFO running `"docker" "rm" "-f" "c8e7dce420eab04f6452bdca4cdfe1f6b22554df7238f97650b68f8397473e6d"`
Dec 12 19:36:01.787 INFO [stdout] c8e7dce420eab04f6452bdca4cdfe1f6b22554df7238f97650b68f8397473e6d