Oct 31 21:35:32.447 INFO checking scottwillmoore/rust-primer against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 21:35:32.449 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-5/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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"`
Oct 31 21:35:32.935 INFO blam! c44d76695452e7a3284e07ef545b835af6e73579ebd2b0e718f692aff4b08e4b
Oct 31 21:35:32.936 INFO running `"docker" "start" "-a" "c44d76695452e7a3284e07ef545b835af6e73579ebd2b0e718f692aff4b08e4b"`
Oct 31 21:35:34.844 INFO kablam! usermod: no changes
Oct 31 21:35:34.952 INFO kablam!     Checking libc v0.2.39
Oct 31 21:35:36.574 INFO kablam!     Checking memchr v2.0.1
Oct 31 21:35:36.861 INFO kablam!     Checking aho-corasick v0.6.4
Oct 31 21:35:37.641 INFO kablam!     Checking regex v0.2.10
Oct 31 21:35:40.072 INFO kablam!     Checking docopt v0.8.3
Oct 31 21:35:41.765 INFO kablam!     Checking primer v0.1.0 (/source)
Oct 31 21:35:42.327 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Oct 31 21:35:42.327 INFO kablam!  --> src/lib.rs:1:12
Oct 31 21:35:42.327 INFO kablam!   |
Oct 31 21:35:42.327 INFO kablam! 1 | #![feature(iterator_step_by)]
Oct 31 21:35:42.327 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Oct 31 21:35:42.327 INFO kablam!   |
Oct 31 21:35:42.327 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 31 21:35:42.327 INFO kablam! 
Oct 31 21:35:42.352 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Oct 31 21:35:42.352 INFO kablam!  --> src/lib.rs:1:12
Oct 31 21:35:42.352 INFO kablam!   |
Oct 31 21:35:42.352 INFO kablam! 1 | #![feature(iterator_step_by)]
Oct 31 21:35:42.352 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Oct 31 21:35:42.360 INFO kablam!   |
Oct 31 21:35:42.360 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 31 21:35:42.360 INFO kablam! 
Oct 31 21:35:43.774 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.90s
Oct 31 21:35:43.780 INFO kablam! su: No module specific data is present
Oct 31 21:35:45.226 INFO running `"docker" "rm" "-f" "c44d76695452e7a3284e07ef545b835af6e73579ebd2b0e718f692aff4b08e4b"`
Oct 31 21:35:45.568 INFO blam! c44d76695452e7a3284e07ef545b835af6e73579ebd2b0e718f692aff4b08e4b