Sep 14 19:08:03.278 INFO checking blissb-0.1.0 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 19:08:03.278 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 19:08:03.278 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-0/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 19:08:03.676 INFO blam! 3afa8b2304f84ac566a0102f2d5bf1e370fbe0921ca5a39307fa274fb88440cc
Sep 14 19:08:03.682 INFO running `"docker" "start" "-a" "3afa8b2304f84ac566a0102f2d5bf1e370fbe0921ca5a39307fa274fb88440cc"`
Sep 14 19:08:04.774 INFO kablam! usermod: no changes
Sep 14 19:08:04.859 INFO kablam!     Checking bitpack v0.1.1
Sep 14 19:08:05.083 INFO kablam!     Checking blissb v0.1.0 (file:///source)
Sep 14 19:08:05.886 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Sep 14 19:08:05.886 INFO kablam!  --> src/lib.rs:1:21
Sep 14 19:08:05.886 INFO kablam!   |
Sep 14 19:08:05.886 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 14 19:08:05.886 INFO kablam!   |                     ^^^^^^^^^^^^^
Sep 14 19:08:05.886 INFO kablam!   |
Sep 14 19:08:05.886 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 14 19:08:05.886 INFO kablam! 
Sep 14 19:08:05.887 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 14 19:08:05.887 INFO kablam!  --> src/lib.rs:1:12
Sep 14 19:08:05.887 INFO kablam!   |
Sep 14 19:08:05.887 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 14 19:08:05.887 INFO kablam!   |            ^^^^^^^
Sep 14 19:08:05.895 INFO kablam! 
Sep 14 19:08:05.905 INFO kablam! error: aborting due to previous error
Sep 14 19:08:05.906 INFO kablam! 
Sep 14 19:08:05.906 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 14 19:08:05.914 INFO kablam! error: Could not compile `blissb`.
Sep 14 19:08:05.914 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 14 19:08:06.431 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Sep 14 19:08:06.431 INFO kablam!  --> src/lib.rs:1:21
Sep 14 19:08:06.431 INFO kablam!   |
Sep 14 19:08:06.431 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 14 19:08:06.431 INFO kablam!   |                     ^^^^^^^^^^^^^
Sep 14 19:08:06.431 INFO kablam!   |
Sep 14 19:08:06.431 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 14 19:08:06.431 INFO kablam! 
Sep 14 19:08:06.431 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 14 19:08:06.431 INFO kablam!  --> src/lib.rs:1:12
Sep 14 19:08:06.431 INFO kablam!   |
Sep 14 19:08:06.431 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 14 19:08:06.431 INFO kablam!   |            ^^^^^^^
Sep 14 19:08:06.431 INFO kablam! 
Sep 14 19:08:06.447 INFO kablam! error: aborting due to previous error
Sep 14 19:08:06.447 INFO kablam! 
Sep 14 19:08:06.447 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 14 19:08:06.457 INFO kablam! error: Could not compile `blissb`.
Sep 14 19:08:06.457 INFO kablam! 
Sep 14 19:08:06.457 INFO kablam! To learn more, run the command again with --verbose.
Sep 14 19:08:06.458 INFO kablam! su: No module specific data is present
Sep 14 19:08:08.081 INFO running `"docker" "rm" "-f" "3afa8b2304f84ac566a0102f2d5bf1e370fbe0921ca5a39307fa274fb88440cc"`
Sep 14 19:08:08.374 INFO blam! 3afa8b2304f84ac566a0102f2d5bf1e370fbe0921ca5a39307fa274fb88440cc