Sep 14 14:33:49.287 INFO checking iota-lib-rs-0.0.34 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 14:33:49.287 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 14:33:49.287 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-4/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 14:33:49.451 INFO blam! 653b33c5ca1295896f1d91e589c073b9cb731a99a62ecffc8ee49cee938ac1a4
Sep 14 14:33:49.452 INFO running `"docker" "start" "-a" "653b33c5ca1295896f1d91e589c073b9cb731a99a62ecffc8ee49cee938ac1a4"`
Sep 14 14:33:50.672 INFO kablam! usermod: no changes
Sep 14 14:33:50.720 INFO kablam! warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Sep 14 14:33:51.008 INFO kablam!    Compiling crunchy v0.2.1
Sep 14 14:33:52.071 INFO kablam!     Checking iota-lib-rs v0.0.34 (file:///source)
Sep 14 14:33:52.247 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 14 14:33:52.247 INFO kablam!   --> src/lib.rs:42:12
Sep 14 14:33:52.247 INFO kablam!    |
Sep 14 14:33:52.247 INFO kablam! 42 | #![feature(rust_2018_preview)]
Sep 14 14:33:52.247 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 14 14:33:52.247 INFO kablam! 
Sep 14 14:33:52.299 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 14 14:33:52.299 INFO kablam!   --> src/lib.rs:42:12
Sep 14 14:33:52.299 INFO kablam!    |
Sep 14 14:33:52.299 INFO kablam! 42 | #![feature(rust_2018_preview)]
Sep 14 14:33:52.299 INFO kablam!    |            ^^^^^^^^^^^^^^^^^
Sep 14 14:33:52.299 INFO kablam! 
Sep 14 14:34:01.355 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 14 14:34:01.355 INFO kablam!   --> src/lib.rs:43:12
Sep 14 14:34:01.355 INFO kablam!    |
Sep 14 14:34:01.355 INFO kablam! 43 | #![feature(rust_2018_idioms)]
Sep 14 14:34:01.355 INFO kablam!    |            ^^^^^^^^^^^^^^^^
Sep 14 14:34:01.355 INFO kablam! 
Sep 14 14:34:01.507 INFO kablam! error: aborting due to previous error
Sep 14 14:34:01.507 INFO kablam! 
Sep 14 14:34:01.507 INFO kablam! Some errors occurred: E0635, E0705.
Sep 14 14:34:01.507 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 14 14:34:01.519 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 14 14:34:01.519 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 14 14:34:01.907 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 14 14:34:01.907 INFO kablam!   --> src/lib.rs:43:12
Sep 14 14:34:01.907 INFO kablam!    |
Sep 14 14:34:01.907 INFO kablam! 43 | #![feature(rust_2018_idioms)]
Sep 14 14:34:01.907 INFO kablam!    |            ^^^^^^^^^^^^^^^^
Sep 14 14:34:01.907 INFO kablam! 
Sep 14 14:34:02.060 INFO kablam! error: aborting due to previous error
Sep 14 14:34:02.060 INFO kablam! 
Sep 14 14:34:02.060 INFO kablam! Some errors occurred: E0635, E0705.
Sep 14 14:34:02.060 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 14 14:34:02.110 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 14 14:34:02.110 INFO kablam! 
Sep 14 14:34:02.110 INFO kablam! To learn more, run the command again with --verbose.
Sep 14 14:34:02.110 INFO kablam! su: No module specific data is present
Sep 14 14:34:02.922 INFO running `"docker" "rm" "-f" "653b33c5ca1295896f1d91e589c073b9cb731a99a62ecffc8ee49cee938ac1a4"`
Sep 14 14:34:03.026 INFO blam! 653b33c5ca1295896f1d91e589c073b9cb731a99a62ecffc8ee49cee938ac1a4