Sep 06 05:10:08.988 INFO checking iota-lib-rs-0.0.34 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 05:10:08.988 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 05:10:08.988 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-2/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 05:10:09.238 INFO blam! 6efcbd19341ac5a388a990ef7bb9c3111b9f8c7a02c3706d316185f929996f88
Sep 06 05:10:09.238 INFO running `"docker" "start" "-a" "6efcbd19341ac5a388a990ef7bb9c3111b9f8c7a02c3706d316185f929996f88"`
Sep 06 05:10:10.200 INFO kablam! usermod: no changes
Sep 06 05:10:10.563 INFO kablam!    Compiling crunchy v0.2.1
Sep 06 05:10:11.883 INFO kablam!     Checking iota-lib-rs v0.0.34 (file:///source)
Sep 06 05:10:12.069 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 06 05:10:12.069 INFO kablam!   --> src/lib.rs:42:12
Sep 06 05:10:12.069 INFO kablam!    |
Sep 06 05:10:12.069 INFO kablam! 42 | #![feature(rust_2018_preview)]
Sep 06 05:10:12.070 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 06 05:10:12.070 INFO kablam! 
Sep 06 05:10:12.078 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 06 05:10:12.078 INFO kablam!   --> src/lib.rs:42:12
Sep 06 05:10:12.078 INFO kablam!    |
Sep 06 05:10:12.078 INFO kablam! 42 | #![feature(rust_2018_preview)]
Sep 06 05:10:12.078 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 06 05:10:12.078 INFO kablam! 
Sep 06 05:10:21.137 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 06 05:10:21.137 INFO kablam!   --> src/lib.rs:43:12
Sep 06 05:10:21.137 INFO kablam!    |
Sep 06 05:10:21.137 INFO kablam! 43 | #![feature(rust_2018_idioms)]
Sep 06 05:10:21.137 INFO kablam!    |            ^^^^^^^^^^^^^^^^
Sep 06 05:10:21.137 INFO kablam! 
Sep 06 05:10:21.377 INFO kablam! error: aborting due to previous error
Sep 06 05:10:21.377 INFO kablam! 
Sep 06 05:10:21.377 INFO kablam! Some errors occurred: E0635, E0705.
Sep 06 05:10:21.377 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 06 05:10:21.410 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 06 05:10:21.410 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 06 05:10:21.926 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 06 05:10:21.926 INFO kablam!   --> src/lib.rs:43:12
Sep 06 05:10:21.926 INFO kablam!    |
Sep 06 05:10:21.926 INFO kablam! 43 | #![feature(rust_2018_idioms)]
Sep 06 05:10:21.926 INFO kablam!    |            ^^^^^^^^^^^^^^^^
Sep 06 05:10:21.926 INFO kablam! 
Sep 06 05:10:22.058 INFO kablam! error: aborting due to previous error
Sep 06 05:10:22.058 INFO kablam! 
Sep 06 05:10:22.058 INFO kablam! Some errors occurred: E0635, E0705.
Sep 06 05:10:22.058 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 06 05:10:22.081 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 06 05:10:22.081 INFO kablam! 
Sep 06 05:10:22.081 INFO kablam! To learn more, run the command again with --verbose.
Sep 06 05:10:22.082 INFO kablam! su: No module specific data is present
Sep 06 05:10:23.309 INFO running `"docker" "rm" "-f" "6efcbd19341ac5a388a990ef7bb9c3111b9f8c7a02c3706d316185f929996f88"`
Sep 06 05:10:23.423 INFO blam! 6efcbd19341ac5a388a990ef7bb9c3111b9f8c7a02c3706d316185f929996f88