Sep 06 05:10:17.967 INFO checking iota-lib-rs-0.0.26 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 05:10:17.967 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 05:10:17.967 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-1/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 05:10:18.234 INFO blam! 93d536fc9cfaeadfbb543942901ea71b9bfd4a0d6dc6c0b6e440c0f61da81796
Sep 06 05:10:18.235 INFO running `"docker" "start" "-a" "93d536fc9cfaeadfbb543942901ea71b9bfd4a0d6dc6c0b6e440c0f61da81796"`
Sep 06 05:10:20.274 INFO kablam! usermod: no changes
Sep 06 05:10:20.731 INFO kablam!     Checking iota-lib-rs v0.0.26 (file:///source)
Sep 06 05:10:20.809 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 06 05:10:20.809 INFO kablam!  --> src/lib.rs:2:12
Sep 06 05:10:20.809 INFO kablam!   |
Sep 06 05:10:20.809 INFO kablam! 2 | #![feature(rust_2018_preview)]
Sep 06 05:10:20.809 INFO kablam!   |            ^^^^^^^^^^^^^^^^^
Sep 06 05:10:20.809 INFO kablam! 
Sep 06 05:10:21.007 INFO kablam! warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
Sep 06 05:10:21.007 INFO kablam!  --> src/lib.rs:2:12
Sep 06 05:10:21.007 INFO kablam!   |
Sep 06 05:10:21.007 INFO kablam! 2 | #![feature(rust_2018_preview)]
Sep 06 05:10:21.007 INFO kablam!   |            ^^^^^^^^^^^^^^^^^
Sep 06 05:10:21.026 INFO kablam! 
Sep 06 05:10:27.301 INFO kablam! warning: variable does not need to be mutable
Sep 06 05:10:27.301 INFO kablam!    --> src/crypto/iss.rs:415:17
Sep 06 05:10:27.301 INFO kablam!     |
Sep 06 05:10:27.301 INFO kablam! 415 |             let mut message_trits = converter::trits_from_string(MESSAGE);
Sep 06 05:10:27.301 INFO kablam!     |                 ----^^^^^^^^^^^^^
Sep 06 05:10:27.301 INFO kablam!     |                 |
Sep 06 05:10:27.301 INFO kablam!     |                 help: remove this `mut`
Sep 06 05:10:27.301 INFO kablam!     |
Sep 06 05:10:27.302 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 06 05:10:27.302 INFO kablam! 
Sep 06 05:10:28.194 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 06 05:10:28.194 INFO kablam!  --> src/lib.rs:3:12
Sep 06 05:10:28.194 INFO kablam!   |
Sep 06 05:10:28.194 INFO kablam! 3 | #![feature(rust_2018_idioms)]
Sep 06 05:10:28.194 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 06 05:10:28.194 INFO kablam! 
Sep 06 05:10:28.309 INFO kablam! error: aborting due to previous error
Sep 06 05:10:28.309 INFO kablam! 
Sep 06 05:10:28.309 INFO kablam! Some errors occurred: E0635, E0705.
Sep 06 05:10:28.309 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 06 05:10:28.338 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 06 05:10:28.338 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 06 05:10:28.491 INFO kablam! error[E0635]: unknown feature `rust_2018_idioms`
Sep 06 05:10:28.491 INFO kablam!  --> src/lib.rs:3:12
Sep 06 05:10:28.491 INFO kablam!   |
Sep 06 05:10:28.491 INFO kablam! 3 | #![feature(rust_2018_idioms)]
Sep 06 05:10:28.491 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Sep 06 05:10:28.491 INFO kablam! 
Sep 06 05:10:28.579 INFO kablam! error: aborting due to previous error
Sep 06 05:10:28.579 INFO kablam! 
Sep 06 05:10:28.579 INFO kablam! Some errors occurred: E0635, E0705.
Sep 06 05:10:28.579 INFO kablam! For more information about an error, try `rustc --explain E0635`.
Sep 06 05:10:28.600 INFO kablam! error: Could not compile `iota-lib-rs`.
Sep 06 05:10:28.600 INFO kablam! 
Sep 06 05:10:28.600 INFO kablam! To learn more, run the command again with --verbose.
Sep 06 05:10:28.601 INFO kablam! su: No module specific data is present
Sep 06 05:10:29.026 INFO running `"docker" "rm" "-f" "93d536fc9cfaeadfbb543942901ea71b9bfd4a0d6dc6c0b6e440c0f61da81796"`
Sep 06 05:10:29.098 INFO blam! 93d536fc9cfaeadfbb543942901ea71b9bfd4a0d6dc6c0b6e440c0f61da81796