Sep 01 16:44:22.009 INFO checking iota-lib-rs-0.0.34 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 16:44:22.009 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 16:44:22.009 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-0/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 16:44:22.166 INFO blam! eb8a22bf3e4555c5fbb82c82982795df9093d2589326caff163acd9e57ac15d5
Sep 01 16:44:22.168 INFO running `"docker" "start" "-a" "eb8a22bf3e4555c5fbb82c82982795df9093d2589326caff163acd9e57ac15d5"`
Sep 01 16:44:23.019 INFO kablam!     Checking iota-lib-rs v0.0.34 (file:///source)
Sep 01 16:44:23.095 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 01 16:44:23.095 INFO kablam!   --> src/lib.rs:42:12
Sep 01 16:44:23.096 INFO kablam!    |
Sep 01 16:44:23.096 INFO kablam! 42 | #![feature(rust_2018_preview)]
Sep 01 16:44:23.096 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 01 16:44:23.096 INFO kablam! 
Sep 01 16:44:23.123 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 01 16:44:23.123 INFO kablam!   --> src/lib.rs:42:12
Sep 01 16:44:23.123 INFO kablam!    |
Sep 01 16:44:23.123 INFO kablam! 42 | #![feature(rust_2018_preview)]
Sep 01 16:44:23.123 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 01 16:44:23.123 INFO kablam! 
Sep 01 16:44:35.007 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 01 16:44:35.007 INFO kablam!   --> src/lib.rs:43:12
Sep 01 16:44:35.007 INFO kablam!    |
Sep 01 16:44:35.007 INFO kablam! 43 | #![feature(rust_2018_idioms)]
Sep 01 16:44:35.007 INFO kablam!    |            ^^^^^^^^^^^^^^^^
Sep 01 16:44:35.007 INFO kablam! 
Sep 01 16:44:35.186 INFO kablam! error: aborting due to previous error
Sep 01 16:44:35.186 INFO kablam! 
Sep 01 16:44:35.186 INFO kablam! Some errors occurred: E0635, E0705.
Sep 01 16:44:35.186 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 01 16:44:35.202 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 01 16:44:35.203 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 16:44:36.286 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 01 16:44:36.286 INFO kablam!   --> src/lib.rs:43:12
Sep 01 16:44:36.286 INFO kablam!    |
Sep 01 16:44:36.286 INFO kablam! 43 | #![feature(rust_2018_idioms)]
Sep 01 16:44:36.286 INFO kablam!    |            ^^^^^^^^^^^^^^^^
Sep 01 16:44:36.286 INFO kablam! 
Sep 01 16:44:36.465 INFO kablam! error: aborting due to previous error
Sep 01 16:44:36.465 INFO kablam! 
Sep 01 16:44:36.465 INFO kablam! Some errors occurred: E0635, E0705.
Sep 01 16:44:36.465 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 01 16:44:36.488 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 01 16:44:36.488 INFO kablam! 
Sep 01 16:44:36.488 INFO kablam! To learn more, run the command again with --verbose.
Sep 01 16:44:36.490 INFO kablam! su: No module specific data is present
Sep 01 16:44:36.978 INFO running `"docker" "rm" "-f" "eb8a22bf3e4555c5fbb82c82982795df9093d2589326caff163acd9e57ac15d5"`
Sep 01 16:44:37.075 INFO blam! eb8a22bf3e4555c5fbb82c82982795df9093d2589326caff163acd9e57ac15d5