Nov 30 14:35:40.965 INFO checking tangle-0.4.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 14:35:40.965 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 14:35:41.292 INFO [stdout] 6a54f337dea7fbc612fab293f4e5a77a2edc7f1ddaf0df4c27839a246012cffc
Nov 30 14:35:41.298 INFO running `"docker" "start" "-a" "6a54f337dea7fbc612fab293f4e5a77a2edc7f1ddaf0df4c27839a246012cffc"`
Nov 30 14:35:42.300 INFO [stderr] usermod: no changes
Nov 30 14:35:42.361 INFO [stderr]     Checking tangle v0.4.0 (/source)
Nov 30 14:35:43.070 INFO [stderr] warning: unused import: `std::thread`
Nov 30 14:35:43.070 INFO [stderr]  --> src/lib.rs:7:5
Nov 30 14:35:43.070 INFO [stderr]   |
Nov 30 14:35:43.070 INFO [stderr] 7 | use std::thread;
Nov 30 14:35:43.070 INFO [stderr]   |     ^^^^^^^^^^^
Nov 30 14:35:43.070 INFO [stderr]   |
Nov 30 14:35:43.070 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 14:35:43.070 INFO [stderr] 
Nov 30 14:35:43.070 INFO [stderr] warning: unused import: `std::convert`
Nov 30 14:35:43.070 INFO [stderr]   --> src/lib.rs:10:5
Nov 30 14:35:43.070 INFO [stderr]    |
Nov 30 14:35:43.070 INFO [stderr] 10 | use std::convert;
Nov 30 14:35:43.070 INFO [stderr]    |     ^^^^^^^^^^^^
Nov 30 14:35:43.070 INFO [stderr] 
Nov 30 14:35:43.070 INFO [stderr] error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions.
Nov 30 14:35:43.070 INFO [stderr]    --> src/lib.rs:178:9
Nov 30 14:35:43.070 INFO [stderr]     |
Nov 30 14:35:43.070 INFO [stderr] 178 | impl<T, E=()> Future<T, E>
Nov 30 14:35:43.070 INFO [stderr]     |         ^
Nov 30 14:35:43.070 INFO [stderr]     |
Nov 30 14:35:43.070 INFO [stderr]     = note: #[deny(invalid_type_param_default)] on by default
Nov 30 14:35:43.070 INFO [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Nov 30 14:35:43.070 INFO [stderr]     = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887>
Nov 30 14:35:43.070 INFO [stderr] 
Nov 30 14:35:43.070 INFO [stderr] error: aborting due to previous error
Nov 30 14:35:43.070 INFO [stderr] 
Nov 30 14:35:43.076 INFO [stderr] error: Could not compile `tangle`.
Nov 30 14:35:43.076 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 30 14:35:43.164 INFO [stderr] warning: unused import: `std::thread`
Nov 30 14:35:43.164 INFO [stderr]  --> src/lib.rs:7:5
Nov 30 14:35:43.164 INFO [stderr]   |
Nov 30 14:35:43.164 INFO [stderr] 7 | use std::thread;
Nov 30 14:35:43.164 INFO [stderr]   |     ^^^^^^^^^^^
Nov 30 14:35:43.164 INFO [stderr]   |
Nov 30 14:35:43.164 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 14:35:43.164 INFO [stderr] 
Nov 30 14:35:43.164 INFO [stderr] warning: unused import: `std::convert`
Nov 30 14:35:43.164 INFO [stderr]   --> src/lib.rs:10:5
Nov 30 14:35:43.164 INFO [stderr]    |
Nov 30 14:35:43.164 INFO [stderr] 10 | use std::convert;
Nov 30 14:35:43.164 INFO [stderr]    |     ^^^^^^^^^^^^
Nov 30 14:35:43.164 INFO [stderr] 
Nov 30 14:35:43.168 INFO [stderr] warning: unused imports: `Receiver`, `Sender`
Nov 30 14:35:43.168 INFO [stderr]    --> src/lib.rs:368:36
Nov 30 14:35:43.168 INFO [stderr]     |
Nov 30 14:35:43.168 INFO [stderr] 368 |     use std::sync::mpsc::{channel, Receiver, Sender};
Nov 30 14:35:43.168 INFO [stderr]     |                                    ^^^^^^^^  ^^^^^^
Nov 30 14:35:43.168 INFO [stderr] 
Nov 30 14:35:43.176 INFO [stderr] error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions.
Nov 30 14:35:43.176 INFO [stderr]    --> src/lib.rs:178:9
Nov 30 14:35:43.176 INFO [stderr]     |
Nov 30 14:35:43.176 INFO [stderr] 178 | impl<T, E=()> Future<T, E>
Nov 30 14:35:43.176 INFO [stderr]     |         ^
Nov 30 14:35:43.176 INFO [stderr]     |
Nov 30 14:35:43.176 INFO [stderr]     = note: #[deny(invalid_type_param_default)] on by default
Nov 30 14:35:43.176 INFO [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Nov 30 14:35:43.176 INFO [stderr]     = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887>
Nov 30 14:35:43.176 INFO [stderr] 
Nov 30 14:35:43.176 INFO [stderr] error: aborting due to previous error
Nov 30 14:35:43.176 INFO [stderr] 
Nov 30 14:35:43.185 INFO [stderr] error: Could not compile `tangle`.
Nov 30 14:35:43.185 INFO [stderr] 
Nov 30 14:35:43.185 INFO [stderr] To learn more, run the command again with --verbose.
Nov 30 14:35:43.192 INFO [stderr] su: No module specific data is present
Nov 30 14:35:44.056 INFO running `"docker" "inspect" "6a54f337dea7fbc612fab293f4e5a77a2edc7f1ddaf0df4c27839a246012cffc"`
Nov 30 14:35:44.286 INFO running `"docker" "rm" "-f" "6a54f337dea7fbc612fab293f4e5a77a2edc7f1ddaf0df4c27839a246012cffc"`
Nov 30 14:35:44.614 INFO [stdout] 6a54f337dea7fbc612fab293f4e5a77a2edc7f1ddaf0df4c27839a246012cffc