Sep 21 08:24:51.365 INFO checking iota-lib-rs-0.0.34 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 08:24:51.365 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 08:24:51.365 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-7/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 08:24:51.544 INFO blam! 4b57272912d171bb45e78ac5eac7a35a0798d2487375f498353a62e52f17de81
Sep 21 08:24:51.545 INFO running `"docker" "start" "-a" "4b57272912d171bb45e78ac5eac7a35a0798d2487375f498353a62e52f17de81"`
Sep 21 08:24:52.608 INFO kablam! usermod: no changes
Sep 21 08:24:52.654 INFO kablam! warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Sep 21 08:24:52.946 INFO kablam!    Compiling crunchy v0.2.1
Sep 21 08:24:53.904 INFO kablam!     Checking iota-lib-rs v0.0.34 (/source)
Sep 21 08:24:54.006 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 21 08:24:54.006 INFO kablam!   --> src/lib.rs:42:12
Sep 21 08:24:54.006 INFO kablam!    |
Sep 21 08:24:54.006 INFO kablam! 42 | #![feature(rust_2018_preview)]
Sep 21 08:24:54.006 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 21 08:24:54.006 INFO kablam! 
Sep 21 08:24:54.030 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 21 08:24:54.030 INFO kablam!   --> src/lib.rs:42:12
Sep 21 08:24:54.030 INFO kablam!    |
Sep 21 08:24:54.030 INFO kablam! 42 | #![feature(rust_2018_preview)]
Sep 21 08:24:54.030 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 21 08:24:54.030 INFO kablam! 
Sep 21 08:25:01.556 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 21 08:25:01.556 INFO kablam!   --> src/lib.rs:43:12
Sep 21 08:25:01.556 INFO kablam!    |
Sep 21 08:25:01.556 INFO kablam! 43 | #![feature(rust_2018_idioms)]
Sep 21 08:25:01.556 INFO kablam!    |            ^^^^^^^^^^^^^^^^
Sep 21 08:25:01.556 INFO kablam! 
Sep 21 08:25:01.678 INFO kablam! error: aborting due to previous error
Sep 21 08:25:01.678 INFO kablam! 
Sep 21 08:25:01.678 INFO kablam! Some errors occurred: E0635, E0705.
Sep 21 08:25:01.678 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 21 08:25:01.690 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 21 08:25:01.690 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 21 08:25:02.080 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 21 08:25:02.080 INFO kablam!   --> src/lib.rs:43:12
Sep 21 08:25:02.080 INFO kablam!    |
Sep 21 08:25:02.080 INFO kablam! 43 | #![feature(rust_2018_idioms)]
Sep 21 08:25:02.081 INFO kablam!    |            ^^^^^^^^^^^^^^^^
Sep 21 08:25:02.081 INFO kablam! 
Sep 21 08:25:02.196 INFO kablam! error: aborting due to previous error
Sep 21 08:25:02.196 INFO kablam! 
Sep 21 08:25:02.196 INFO kablam! Some errors occurred: E0635, E0705.
Sep 21 08:25:02.196 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 21 08:25:02.220 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 21 08:25:02.220 INFO kablam! 
Sep 21 08:25:02.220 INFO kablam! To learn more, run the command again with --verbose.
Sep 21 08:25:02.221 INFO kablam! su: No module specific data is present
Sep 21 08:25:02.908 INFO running `"docker" "rm" "-f" "4b57272912d171bb45e78ac5eac7a35a0798d2487375f498353a62e52f17de81"`
Sep 21 08:25:02.982 INFO blam! 4b57272912d171bb45e78ac5eac7a35a0798d2487375f498353a62e52f17de81