Oct 12 17:01:29.593 INFO checking mschorsch/isolate-rs against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 17:01:29.594 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 17:01:30.098 INFO blam! 5af3cae4e304b9a7967010784baf4aa8d9190081e0a3e406829e5920f61dd721
Oct 12 17:01:30.099 INFO running `"docker" "start" "-a" "5af3cae4e304b9a7967010784baf4aa8d9190081e0a3e406829e5920f61dd721"`
Oct 12 17:01:31.836 INFO kablam! usermod: no changes
Oct 12 17:01:32.032 INFO kablam!    Compiling cc v1.0.0
Oct 12 17:01:32.037 INFO kablam!     Checking nix v0.9.0
Oct 12 17:01:32.037 INFO kablam!     Checking toml v0.4.5
Oct 12 17:01:37.452 INFO kablam!    Compiling backtrace-sys v0.1.14
Oct 12 17:01:55.417 INFO kablam!     Checking backtrace v0.3.3
Oct 12 17:01:55.957 INFO kablam!     Checking error-chain v0.10.0
Oct 12 17:01:56.579 INFO kablam!     Checking isolate-rs v0.1.0 (/source)
Oct 12 17:01:57.694 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 25.83s
Oct 12 17:01:57.704 INFO kablam! su: No module specific data is present
Oct 12 17:01:58.053 INFO running `"docker" "rm" "-f" "5af3cae4e304b9a7967010784baf4aa8d9190081e0a3e406829e5920f61dd721"`
Oct 12 17:01:58.234 INFO blam! 5af3cae4e304b9a7967010784baf4aa8d9190081e0a3e406829e5920f61dd721