Sep 02 19:36:48.937 INFO checking blissb-0.1.0 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 02 19:36:48.937 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 02 19:36:48.937 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-2/try#952c7dbfa2628309f557b367929ffc17af20b332:/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=500" "-e" "CMD=cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 19:36:49.089 INFO blam! f85437d1dcdd1063fa890de5285dce5d4bebdc97a6510bd754a2bc135397a23b
Sep 02 19:36:49.091 INFO running `"docker" "start" "-a" "f85437d1dcdd1063fa890de5285dce5d4bebdc97a6510bd754a2bc135397a23b"`
Sep 02 19:36:49.919 INFO kablam!     Checking bitpack v0.1.1
Sep 02 19:36:50.130 INFO kablam!     Checking blissb v0.1.0 (file:///source)
Sep 02 19:36:51.431 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Sep 02 19:36:51.431 INFO kablam!  --> src/lib.rs:1:21
Sep 02 19:36:51.431 INFO kablam!   |
Sep 02 19:36:51.431 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 02 19:36:51.431 INFO kablam!   |                     ^^^^^^^^^^^^^
Sep 02 19:36:51.431 INFO kablam!   |
Sep 02 19:36:51.431 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 02 19:36:51.431 INFO kablam! 
Sep 02 19:36:51.432 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 02 19:36:51.432 INFO kablam!  --> src/lib.rs:1:12
Sep 02 19:36:51.432 INFO kablam!   |
Sep 02 19:36:51.432 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 02 19:36:51.432 INFO kablam!   |            ^^^^^^^
Sep 02 19:36:51.432 INFO kablam! 
Sep 02 19:36:51.450 INFO kablam! error: aborting due to previous error
Sep 02 19:36:51.450 INFO kablam! 
Sep 02 19:36:51.451 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 02 19:36:51.457 INFO kablam! error: Could not compile `blissb`.
Sep 02 19:36:51.458 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 02 19:36:51.717 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Sep 02 19:36:51.717 INFO kablam!  --> src/lib.rs:1:21
Sep 02 19:36:51.717 INFO kablam!   |
Sep 02 19:36:51.717 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 02 19:36:51.717 INFO kablam!   |                     ^^^^^^^^^^^^^
Sep 02 19:36:51.717 INFO kablam!   |
Sep 02 19:36:51.717 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 02 19:36:51.717 INFO kablam! 
Sep 02 19:36:51.718 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 02 19:36:51.718 INFO kablam!  --> src/lib.rs:1:12
Sep 02 19:36:51.718 INFO kablam!   |
Sep 02 19:36:51.718 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 02 19:36:51.718 INFO kablam!   |            ^^^^^^^
Sep 02 19:36:51.718 INFO kablam! 
Sep 02 19:36:51.737 INFO kablam! error: aborting due to previous error
Sep 02 19:36:51.737 INFO kablam! 
Sep 02 19:36:51.737 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 02 19:36:51.747 INFO kablam! error: Could not compile `blissb`.
Sep 02 19:36:51.747 INFO kablam! 
Sep 02 19:36:51.747 INFO kablam! To learn more, run the command again with --verbose.
Sep 02 19:36:51.749 INFO kablam! su: No module specific data is present
Sep 02 19:36:52.180 INFO running `"docker" "rm" "-f" "f85437d1dcdd1063fa890de5285dce5d4bebdc97a6510bd754a2bc135397a23b"`
Sep 02 19:36:52.270 INFO blam! f85437d1dcdd1063fa890de5285dce5d4bebdc97a6510bd754a2bc135397a23b