Dec 18 13:45:29.769 INFO checking narwhal-0.3.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 13:45:29.769 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/narwhal/0.3.0:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 13:45:30.002 INFO [stdout] 77d645fafdd6633f45b6d3499cafcb7ac9910d6681034622dde8993f41a97395
Dec 18 13:45:30.004 INFO running `"docker" "start" "-a" "77d645fafdd6633f45b6d3499cafcb7ac9910d6681034622dde8993f41a97395"`
Dec 18 13:45:30.842 INFO [stderr]     Checking narwhal v0.3.0 (/opt/crater/workdir)
Dec 18 13:45:31.854 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 13:45:31.854 INFO [stderr]  --> src/errors.rs:2:1
Dec 18 13:45:31.854 INFO [stderr]   |
Dec 18 13:45:31.854 INFO [stderr] 2 | / error_chain!{
Dec 18 13:45:31.854 INFO [stderr] 3 | |     foreign_links {
Dec 18 13:45:31.854 INFO [stderr] 4 | |         Io(::std::io::Error) #[cfg(unix)];
Dec 18 13:45:31.855 INFO [stderr] 5 | |     }
Dec 18 13:45:31.855 INFO [stderr] 6 | | }
Dec 18 13:45:31.855 INFO [stderr]   | |_^
Dec 18 13:45:31.855 INFO [stderr]   |
Dec 18 13:45:31.855 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 18 13:45:31.855 INFO [stderr]   = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 13:45:31.855 INFO [stderr] 
Dec 18 13:45:32.208 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 13:45:32.208 INFO [stderr]  --> src/errors.rs:2:1
Dec 18 13:45:32.208 INFO [stderr]   |
Dec 18 13:45:32.208 INFO [stderr] 2 | / error_chain!{
Dec 18 13:45:32.208 INFO [stderr] 3 | |     foreign_links {
Dec 18 13:45:32.208 INFO [stderr] 4 | |         Io(::std::io::Error) #[cfg(unix)];
Dec 18 13:45:32.208 INFO [stderr] 5 | |     }
Dec 18 13:45:32.208 INFO [stderr] 6 | | }
Dec 18 13:45:32.208 INFO [stderr]   | |_^
Dec 18 13:45:32.208 INFO [stderr]   |
Dec 18 13:45:32.208 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 18 13:45:32.208 INFO [stderr]   = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 13:45:32.208 INFO [stderr] 
Dec 18 13:45:33.436 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.70s
Dec 18 13:45:34.052 INFO running `"docker" "inspect" "77d645fafdd6633f45b6d3499cafcb7ac9910d6681034622dde8993f41a97395"`
Dec 18 13:45:34.306 INFO running `"docker" "rm" "-f" "77d645fafdd6633f45b6d3499cafcb7ac9910d6681034622dde8993f41a97395"`
Dec 18 13:45:34.423 INFO [stdout] 77d645fafdd6633f45b6d3499cafcb7ac9910d6681034622dde8993f41a97395