Sep 06 03:50:12.500 INFO checking mg-settings-macros-0.4.2 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 03:50:12.500 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 03:50:12.500 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-2/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 03:50:12.731 INFO blam! 7c1a7d46315efc553b796199593ca14c1ddb04b3570886bc6b5d9a0ebf79acd7
Sep 06 03:50:12.732 INFO running `"docker" "start" "-a" "7c1a7d46315efc553b796199593ca14c1ddb04b3570886bc6b5d9a0ebf79acd7"`
Sep 06 03:50:13.439 INFO kablam! usermod: no changes
Sep 06 03:50:13.567 INFO kablam!     Checking ucd-util v0.1.1
Sep 06 03:50:13.568 INFO kablam!     Checking utf8-ranges v1.0.1
Sep 06 03:50:13.568 INFO kablam!     Checking quick-error v1.2.2
Sep 06 03:50:13.569 INFO kablam!     Checking termcolor v1.0.3
Sep 06 03:50:13.569 INFO kablam!     Checking memchr v2.0.2
Sep 06 03:50:13.570 INFO kablam!     Checking atty v0.2.11
Sep 06 03:50:13.572 INFO kablam!    Compiling syn v0.13.11
Sep 06 03:50:14.618 INFO kablam!     Checking thread_local v0.3.6
Sep 06 03:50:14.938 INFO kablam!     Checking aho-corasick v0.6.8
Sep 06 03:50:15.302 INFO kablam!     Checking humantime v1.1.1
Sep 06 03:50:15.326 INFO kablam!     Checking regex-syntax v0.6.2
Sep 06 03:50:23.239 INFO kablam!     Checking regex v1.0.4
Sep 06 03:50:28.562 INFO kablam!    Compiling mg-settings-macros v0.4.2
Sep 06 03:50:28.562 INFO kablam!    Compiling mg-settings-macros v0.4.2 (file:///source)
Sep 06 03:50:28.974 INFO kablam!     Checking env_logger v0.5.13
Sep 06 03:50:32.198 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 06 03:50:32.198 INFO kablam!   --> src/lib.rs:54:5
Sep 06 03:50:32.198 INFO kablam!    |
Sep 06 03:50:32.198 INFO kablam! 54 |     builder.try_init();
Sep 06 03:50:32.198 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Sep 06 03:50:32.198 INFO kablam!    |
Sep 06 03:50:32.198 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 06 03:50:32.198 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 06 03:50:32.198 INFO kablam! 
Sep 06 03:50:32.286 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 06 03:50:32.286 INFO kablam!   --> src/lib.rs:54:5
Sep 06 03:50:32.286 INFO kablam!    |
Sep 06 03:50:32.286 INFO kablam! 54 |     builder.try_init();
Sep 06 03:50:32.286 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Sep 06 03:50:32.286 INFO kablam!    |
Sep 06 03:50:32.286 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 06 03:50:32.286 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 06 03:50:32.286 INFO kablam! 
Sep 06 03:50:35.967 INFO kablam!     Checking mg-settings v0.4.3
Sep 06 03:50:38.487 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 06 03:50:38.487 INFO kablam!   --> src/lib.rs:54:5
Sep 06 03:50:38.487 INFO kablam!    |
Sep 06 03:50:38.487 INFO kablam! 54 |     builder.try_init();
Sep 06 03:50:38.487 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Sep 06 03:50:38.487 INFO kablam!    |
Sep 06 03:50:38.487 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 06 03:50:38.487 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 06 03:50:38.487 INFO kablam! 
Sep 06 03:50:38.514 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 25.05s
Sep 06 03:50:38.518 INFO kablam! su: No module specific data is present
Sep 06 03:50:38.975 INFO running `"docker" "rm" "-f" "7c1a7d46315efc553b796199593ca14c1ddb04b3570886bc6b5d9a0ebf79acd7"`
Sep 06 03:50:39.071 INFO blam! 7c1a7d46315efc553b796199593ca14c1ddb04b3570886bc6b5d9a0ebf79acd7