Sep 19 12:48:24.055 INFO checking mullvad/mullvadvpn-app against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 12:48:24.055 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 12:48:24.055 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-3/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 12:48:24.563 INFO blam! a1096a606956a456428e18f6ac1e5ae7e08f3bc7959760824342fb9d31e8cb2c
Sep 19 12:48:24.565 INFO running `"docker" "start" "-a" "a1096a606956a456428e18f6ac1e5ae7e08f3bc7959760824342fb9d31e8cb2c"`
Sep 19 12:48:26.211 INFO kablam! usermod: no changes
Sep 19 12:48:26.345 INFO kablam! error: failed to load source for a dependency on `jsonrpc-core`
Sep 19 12:48:26.345 INFO kablam! 
Sep 19 12:48:26.346 INFO kablam! Caused by:
Sep 19 12:48:26.346 INFO kablam!   Unable to update https://github.com/mullvad/jsonrpc?branch=make-ipc-server-concurrent-part-deux#40344ea4
Sep 19 12:48:26.346 INFO kablam! 
Sep 19 12:48:26.346 INFO kablam! Caused by:
Sep 19 12:48:26.346 INFO kablam!   failed to open: /cargo-home/git/.cargo-lock-git
Sep 19 12:48:26.346 INFO kablam! 
Sep 19 12:48:26.346 INFO kablam! Caused by:
Sep 19 12:48:26.346 INFO kablam!   Read-only file system (os error 30)
Sep 19 12:48:26.351 INFO kablam! su: No module specific data is present
Sep 19 12:48:27.441 INFO running `"docker" "rm" "-f" "a1096a606956a456428e18f6ac1e5ae7e08f3bc7959760824342fb9d31e8cb2c"`
Sep 19 12:48:27.767 INFO blam! a1096a606956a456428e18f6ac1e5ae7e08f3bc7959760824342fb9d31e8cb2c