Nov 27 20:53:21.442 INFO checking scottwillmoore/rust-primer against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 20:53:21.442 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 27 20:53:21.992 INFO [stdout] f1bed7a57242216e1dbb95b95bb4cf9b5a19835c9e7ab0fba2db6d806f5b57a9
Nov 27 20:53:21.994 INFO running `"docker" "start" "-a" "f1bed7a57242216e1dbb95b95bb4cf9b5a19835c9e7ab0fba2db6d806f5b57a9"`
Nov 27 20:53:23.643 INFO [stderr] usermod: no changes
Nov 27 20:53:23.808 INFO [stderr]     Checking libc v0.2.39
Nov 27 20:53:25.210 INFO [stderr]     Checking memchr v2.0.1
Nov 27 20:53:25.648 INFO [stderr]     Checking aho-corasick v0.6.4
Nov 27 20:53:26.387 INFO [stderr]     Checking regex v0.2.10
Nov 27 20:53:29.006 INFO [stderr]     Checking docopt v0.8.3
Nov 27 20:53:30.573 INFO [stderr]     Checking primer v0.1.0 (/source)
Nov 27 20:53:30.865 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 27 20:53:30.865 INFO [stderr]  --> src/lib.rs:1:12
Nov 27 20:53:30.865 INFO [stderr]   |
Nov 27 20:53:30.866 INFO [stderr] 1 | #![feature(iterator_step_by)]
Nov 27 20:53:30.866 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 27 20:53:30.866 INFO [stderr]   |
Nov 27 20:53:30.867 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 27 20:53:30.867 INFO [stderr] 
Nov 27 20:53:31.124 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 27 20:53:31.124 INFO [stderr]  --> src/lib.rs:1:12
Nov 27 20:53:31.124 INFO [stderr]   |
Nov 27 20:53:31.124 INFO [stderr] 1 | #![feature(iterator_step_by)]
Nov 27 20:53:31.124 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 27 20:53:31.124 INFO [stderr]   |
Nov 27 20:53:31.124 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 27 20:53:31.124 INFO [stderr] 
Nov 27 20:53:32.208 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.53s
Nov 27 20:53:32.218 INFO [stderr] su: No module specific data is present
Nov 27 20:53:33.263 INFO running `"docker" "inspect" "f1bed7a57242216e1dbb95b95bb4cf9b5a19835c9e7ab0fba2db6d806f5b57a9"`
Nov 27 20:53:33.562 INFO running `"docker" "rm" "-f" "f1bed7a57242216e1dbb95b95bb4cf9b5a19835c9e7ab0fba2db6d806f5b57a9"`
Nov 27 20:53:33.992 INFO [stdout] f1bed7a57242216e1dbb95b95bb4cf9b5a19835c9e7ab0fba2db6d806f5b57a9