Nov 29 18:40:37.605 INFO checking scottwillmoore/rust-primer against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 18:40:37.605 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 29 18:40:37.985 INFO [stdout] 6e4ba8aadff401e9e9c98ee7db485368ebec449170df9d770bd0e14078b0151d
Nov 29 18:40:37.987 INFO running `"docker" "start" "-a" "6e4ba8aadff401e9e9c98ee7db485368ebec449170df9d770bd0e14078b0151d"`
Nov 29 18:40:39.376 INFO [stderr] usermod: no changes
Nov 29 18:40:39.532 INFO [stderr]     Checking libc v0.2.39
Nov 29 18:40:40.760 INFO [stderr]     Checking memchr v2.0.1
Nov 29 18:40:41.054 INFO [stderr]     Checking aho-corasick v0.6.4
Nov 29 18:40:41.716 INFO [stderr]     Checking regex v0.2.10
Nov 29 18:40:44.236 INFO [stderr]     Checking docopt v0.8.3
Nov 29 18:40:45.680 INFO [stderr]     Checking primer v0.1.0 (/source)
Nov 29 18:40:46.137 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 29 18:40:46.137 INFO [stderr]  --> src/lib.rs:1:12
Nov 29 18:40:46.138 INFO [stderr]   |
Nov 29 18:40:46.138 INFO [stderr] 1 | #![feature(iterator_step_by)]
Nov 29 18:40:46.138 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 29 18:40:46.139 INFO [stderr]   |
Nov 29 18:40:46.139 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 29 18:40:46.139 INFO [stderr] 
Nov 29 18:40:46.276 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Nov 29 18:40:46.277 INFO [stderr]  --> src/lib.rs:1:12
Nov 29 18:40:46.277 INFO [stderr]   |
Nov 29 18:40:46.277 INFO [stderr] 1 | #![feature(iterator_step_by)]
Nov 29 18:40:46.278 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Nov 29 18:40:46.296 INFO [stderr]   |
Nov 29 18:40:46.297 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 29 18:40:46.297 INFO [stderr] 
Nov 29 18:40:47.597 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.18s
Nov 29 18:40:47.602 INFO [stderr] su: No module specific data is present
Nov 29 18:40:48.462 INFO running `"docker" "inspect" "6e4ba8aadff401e9e9c98ee7db485368ebec449170df9d770bd0e14078b0151d"`
Nov 29 18:40:48.710 INFO running `"docker" "rm" "-f" "6e4ba8aadff401e9e9c98ee7db485368ebec449170df9d770bd0e14078b0151d"`
Nov 29 18:40:49.108 INFO [stdout] 6e4ba8aadff401e9e9c98ee7db485368ebec449170df9d770bd0e14078b0151d