Oct 13 07:40:09.603 INFO checking tangle-0.4.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 07:40:09.603 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 07:40:10.010 INFO blam! 7e94f49e8084c6577a4a0cf0652255578d5ac58f6eb8e6d691ab3a19faf7bc80
Oct 13 07:40:10.012 INFO running `"docker" "start" "-a" "7e94f49e8084c6577a4a0cf0652255578d5ac58f6eb8e6d691ab3a19faf7bc80"`
Oct 13 07:40:11.904 INFO kablam! usermod: no changes
Oct 13 07:40:11.988 INFO kablam!     Checking tangle v0.4.0 (/source)
Oct 13 07:40:13.152 INFO kablam! warning: unused import: `std::thread`
Oct 13 07:40:13.152 INFO kablam!  --> src/lib.rs:7:5
Oct 13 07:40:13.152 INFO kablam!   |
Oct 13 07:40:13.152 INFO kablam! 7 | use std::thread;
Oct 13 07:40:13.152 INFO kablam!   |     ^^^^^^^^^^^
Oct 13 07:40:13.152 INFO kablam!   |
Oct 13 07:40:13.152 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 07:40:13.152 INFO kablam! 
Oct 13 07:40:13.152 INFO kablam! warning: unused import: `std::convert`
Oct 13 07:40:13.152 INFO kablam!   --> src/lib.rs:10:5
Oct 13 07:40:13.152 INFO kablam!    |
Oct 13 07:40:13.152 INFO kablam! 10 | use std::convert;
Oct 13 07:40:13.152 INFO kablam!    |     ^^^^^^^^^^^^
Oct 13 07:40:13.152 INFO kablam! 
Oct 13 07:40:13.152 INFO kablam! error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions.
Oct 13 07:40:13.152 INFO kablam!    --> src/lib.rs:178:9
Oct 13 07:40:13.152 INFO kablam!     |
Oct 13 07:40:13.152 INFO kablam! 178 | impl<T, E=()> Future<T, E>
Oct 13 07:40:13.152 INFO kablam!     |         ^
Oct 13 07:40:13.152 INFO kablam!     |
Oct 13 07:40:13.152 INFO kablam!     = note: #[deny(invalid_type_param_default)] on by default
Oct 13 07:40:13.152 INFO kablam!     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Oct 13 07:40:13.152 INFO kablam!     = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887>
Oct 13 07:40:13.152 INFO kablam! 
Oct 13 07:40:13.161 INFO kablam! error: aborting due to previous error
Oct 13 07:40:13.161 INFO kablam! 
Oct 13 07:40:13.176 INFO kablam! error: Could not compile `tangle`.
Oct 13 07:40:13.176 INFO kablam! warning: build failed, waiting for other jobs to finish...
Oct 13 07:40:13.320 INFO kablam! warning: unused import: `std::thread`
Oct 13 07:40:13.320 INFO kablam!  --> src/lib.rs:7:5
Oct 13 07:40:13.320 INFO kablam!   |
Oct 13 07:40:13.320 INFO kablam! 7 | use std::thread;
Oct 13 07:40:13.320 INFO kablam!   |     ^^^^^^^^^^^
Oct 13 07:40:13.320 INFO kablam!   |
Oct 13 07:40:13.320 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 07:40:13.320 INFO kablam! 
Oct 13 07:40:13.320 INFO kablam! warning: unused import: `std::convert`
Oct 13 07:40:13.320 INFO kablam!   --> src/lib.rs:10:5
Oct 13 07:40:13.320 INFO kablam!    |
Oct 13 07:40:13.320 INFO kablam! 10 | use std::convert;
Oct 13 07:40:13.320 INFO kablam!    |     ^^^^^^^^^^^^
Oct 13 07:40:13.320 INFO kablam! 
Oct 13 07:40:13.320 INFO kablam! warning: unused imports: `Receiver`, `Sender`
Oct 13 07:40:13.320 INFO kablam!    --> src/lib.rs:368:36
Oct 13 07:40:13.320 INFO kablam!     |
Oct 13 07:40:13.320 INFO kablam! 368 |     use std::sync::mpsc::{channel, Receiver, Sender};
Oct 13 07:40:13.320 INFO kablam!     |                                    ^^^^^^^^  ^^^^^^
Oct 13 07:40:13.320 INFO kablam! 
Oct 13 07:40:13.320 INFO kablam! error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions.
Oct 13 07:40:13.320 INFO kablam!    --> src/lib.rs:178:9
Oct 13 07:40:13.320 INFO kablam!     |
Oct 13 07:40:13.320 INFO kablam! 178 | impl<T, E=()> Future<T, E>
Oct 13 07:40:13.320 INFO kablam!     |         ^
Oct 13 07:40:13.320 INFO kablam!     |
Oct 13 07:40:13.320 INFO kablam!     = note: #[deny(invalid_type_param_default)] on by default
Oct 13 07:40:13.320 INFO kablam!     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Oct 13 07:40:13.320 INFO kablam!     = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887>
Oct 13 07:40:13.320 INFO kablam! 
Oct 13 07:40:13.328 INFO kablam! error: aborting due to previous error
Oct 13 07:40:13.328 INFO kablam! 
Oct 13 07:40:13.344 INFO kablam! error: Could not compile `tangle`.
Oct 13 07:40:13.344 INFO kablam! 
Oct 13 07:40:13.344 INFO kablam! To learn more, run the command again with --verbose.
Oct 13 07:40:13.344 INFO kablam! su: No module specific data is present
Oct 13 07:40:14.442 INFO running `"docker" "rm" "-f" "7e94f49e8084c6577a4a0cf0652255578d5ac58f6eb8e6d691ab3a19faf7bc80"`
Oct 13 07:40:14.656 INFO blam! 7e94f49e8084c6577a4a0cf0652255578d5ac58f6eb8e6d691ab3a19faf7bc80