Dec 19 12:41:29.734 INFO checking michaelsproul/ewok against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 12:41:29.753 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/michaelsproul/ewok:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:41:30.002 INFO [stdout] 262bd077c753d35d8a1da9f0565655befd5dc1d60520e3747a15540a269e7689
Dec 19 12:41:30.006 INFO running `"docker" "start" "-a" "262bd077c753d35d8a1da9f0565655befd5dc1d60520e3747a15540a269e7689"`
Dec 19 12:41:31.012 INFO [stderr]     Checking unwrap v1.1.0
Dec 19 12:41:31.012 INFO [stderr]     Checking itertools v0.6.0
Dec 19 12:41:31.012 INFO [stderr]     Checking env_logger v0.4.3
Dec 19 12:41:32.867 INFO [stderr]     Checking ewok v0.1.0 (/opt/crater/workdir)
Dec 19 12:41:36.748 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.84s
Dec 19 12:41:37.206 INFO running `"docker" "inspect" "262bd077c753d35d8a1da9f0565655befd5dc1d60520e3747a15540a269e7689"`
Dec 19 12:41:37.299 INFO running `"docker" "rm" "-f" "262bd077c753d35d8a1da9f0565655befd5dc1d60520e3747a15540a269e7689"`
Dec 19 12:41:37.407 INFO [stdout] 262bd077c753d35d8a1da9f0565655befd5dc1d60520e3747a15540a269e7689