Dec 04 10:36:51.099 INFO checking scottwillmoore/rust-primer against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 10:36:51.099 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 10:36:51.556 INFO [stdout] 7fbc5c5518981e4ce1447b801ecb6a9ec325cf92c9be285cdbe8a45402466c76
Dec 04 10:36:51.564 INFO running `"docker" "start" "-a" "7fbc5c5518981e4ce1447b801ecb6a9ec325cf92c9be285cdbe8a45402466c76"`
Dec 04 10:36:52.819 INFO [stderr] usermod: no changes
Dec 04 10:36:52.921 INFO [stderr]     Checking libc v0.2.39
Dec 04 10:36:52.921 INFO [stderr]     Checking serde v1.0.33
Dec 04 10:36:52.921 INFO [stderr]    Compiling serde_derive_internals v0.21.0
Dec 04 10:36:55.359 INFO [stderr]     Checking memchr v2.0.1
Dec 04 10:36:55.787 INFO [stderr]     Checking aho-corasick v0.6.4
Dec 04 10:36:58.211 INFO [stderr]     Checking regex v0.2.10
Dec 04 10:36:59.936 INFO [stderr]    Compiling serde_derive v1.0.33
Dec 04 10:37:14.905 INFO [stderr]     Checking docopt v0.8.3
Dec 04 10:37:16.289 INFO [stderr]     Checking primer v0.1.0 (/source)
Dec 04 10:37:16.771 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 04 10:37:16.771 INFO [stderr]  --> src/lib.rs:1:12
Dec 04 10:37:16.771 INFO [stderr]   |
Dec 04 10:37:16.771 INFO [stderr] 1 | #![feature(iterator_step_by)]
Dec 04 10:37:16.771 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 04 10:37:16.772 INFO [stderr]   |
Dec 04 10:37:16.772 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 04 10:37:16.772 INFO [stderr] 
Dec 04 10:37:16.891 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 04 10:37:16.891 INFO [stderr]  --> src/lib.rs:1:12
Dec 04 10:37:16.891 INFO [stderr]   |
Dec 04 10:37:16.891 INFO [stderr] 1 | #![feature(iterator_step_by)]
Dec 04 10:37:16.891 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 04 10:37:16.891 INFO [stderr]   |
Dec 04 10:37:16.891 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 04 10:37:16.891 INFO [stderr] 
Dec 04 10:37:18.246 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.40s
Dec 04 10:37:18.256 INFO [stderr] su: No module specific data is present
Dec 04 10:37:19.241 INFO running `"docker" "inspect" "7fbc5c5518981e4ce1447b801ecb6a9ec325cf92c9be285cdbe8a45402466c76"`
Dec 04 10:37:19.583 INFO running `"docker" "rm" "-f" "7fbc5c5518981e4ce1447b801ecb6a9ec325cf92c9be285cdbe8a45402466c76"`
Dec 04 10:37:19.906 INFO [stdout] 7fbc5c5518981e4ce1447b801ecb6a9ec325cf92c9be285cdbe8a45402466c76