Sep 20 22:09:19.810 INFO checking linkerd/linkerd2-proxy against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 20 22:09:19.810 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 20 22:09:19.811 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-5/master#f7f4c500b46603386e940f116b469c7adc043a6d:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 22:09:20.052 INFO blam! dbc6d39c849d5aa1f475049e29e7cef362679a9c23db8b234c43d7b0ad22dd2a
Sep 20 22:09:20.054 INFO running `"docker" "start" "-a" "dbc6d39c849d5aa1f475049e29e7cef362679a9c23db8b234c43d7b0ad22dd2a"`
Sep 20 22:09:22.375 INFO kablam! usermod: no changes
Sep 20 22:09:22.490 INFO kablam! error: failed to load source for a dependency on `futures-watch`
Sep 20 22:09:22.490 INFO kablam! 
Sep 20 22:09:22.490 INFO kablam! Caused by:
Sep 20 22:09:22.490 INFO kablam!   Unable to update https://github.com/carllerche/better-future#07baa13e
Sep 20 22:09:22.490 INFO kablam! 
Sep 20 22:09:22.490 INFO kablam! Caused by:
Sep 20 22:09:22.490 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 20 22:09:22.490 INFO kablam! 
Sep 20 22:09:22.490 INFO kablam! Caused by:
Sep 20 22:09:22.490 INFO kablam!   Read-only file system (os error 30)
Sep 20 22:09:22.499 INFO kablam! su: No module specific data is present
Sep 20 22:09:24.442 INFO running `"docker" "rm" "-f" "dbc6d39c849d5aa1f475049e29e7cef362679a9c23db8b234c43d7b0ad22dd2a"`
Sep 20 22:09:24.564 INFO blam! dbc6d39c849d5aa1f475049e29e7cef362679a9c23db8b234c43d7b0ad22dd2a