Dec 12 06:34:59.421 INFO checking tangle-0.4.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 06:34:59.421 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 12 06:35:00.005 INFO [stdout] 22c7f591a08fd135757de1e34f09683ad2b896170450e51f49f93ab5ed618e56
Dec 12 06:35:00.007 INFO running `"docker" "start" "-a" "22c7f591a08fd135757de1e34f09683ad2b896170450e51f49f93ab5ed618e56"`
Dec 12 06:35:01.613 INFO [stderr] usermod: no changes
Dec 12 06:35:01.684 INFO [stderr]     Checking threadpool v1.7.1
Dec 12 06:35:02.424 INFO [stderr]     Checking tangle v0.4.0 (/source)
Dec 12 06:35:03.152 INFO [stderr] warning: unused import: `std::thread`
Dec 12 06:35:03.152 INFO [stderr]  --> src/lib.rs:7:5
Dec 12 06:35:03.152 INFO [stderr]   |
Dec 12 06:35:03.152 INFO [stderr] 7 | use std::thread;
Dec 12 06:35:03.152 INFO [stderr]   |     ^^^^^^^^^^^
Dec 12 06:35:03.152 INFO [stderr]   |
Dec 12 06:35:03.152 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 06:35:03.152 INFO [stderr] 
Dec 12 06:35:03.152 INFO [stderr] warning: unused import: `std::convert`
Dec 12 06:35:03.152 INFO [stderr]   --> src/lib.rs:10:5
Dec 12 06:35:03.152 INFO [stderr]    |
Dec 12 06:35:03.152 INFO [stderr] 10 | use std::convert;
Dec 12 06:35:03.152 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 12 06:35:03.152 INFO [stderr] 
Dec 12 06:35:03.160 INFO [stderr] error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions.
Dec 12 06:35:03.160 INFO [stderr]    --> src/lib.rs:178:9
Dec 12 06:35:03.160 INFO [stderr]     |
Dec 12 06:35:03.160 INFO [stderr] 178 | impl<T, E=()> Future<T, E>
Dec 12 06:35:03.160 INFO [stderr]     |         ^
Dec 12 06:35:03.160 INFO [stderr]     |
Dec 12 06:35:03.160 INFO [stderr]     = note: #[deny(invalid_type_param_default)] on by default
Dec 12 06:35:03.160 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!
Dec 12 06:35:03.160 INFO [stderr]     = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887>
Dec 12 06:35:03.160 INFO [stderr] 
Dec 12 06:35:03.160 INFO [stderr] error: aborting due to previous error
Dec 12 06:35:03.160 INFO [stderr] 
Dec 12 06:35:03.180 INFO [stderr] error: Could not compile `tangle`.
Dec 12 06:35:03.180 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 12 06:35:03.288 INFO [stderr] warning: unused import: `std::thread`
Dec 12 06:35:03.288 INFO [stderr]  --> src/lib.rs:7:5
Dec 12 06:35:03.288 INFO [stderr]   |
Dec 12 06:35:03.288 INFO [stderr] 7 | use std::thread;
Dec 12 06:35:03.288 INFO [stderr]   |     ^^^^^^^^^^^
Dec 12 06:35:03.288 INFO [stderr]   |
Dec 12 06:35:03.288 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 06:35:03.288 INFO [stderr] 
Dec 12 06:35:03.288 INFO [stderr] warning: unused import: `std::convert`
Dec 12 06:35:03.288 INFO [stderr]   --> src/lib.rs:10:5
Dec 12 06:35:03.288 INFO [stderr]    |
Dec 12 06:35:03.288 INFO [stderr] 10 | use std::convert;
Dec 12 06:35:03.288 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 12 06:35:03.288 INFO [stderr] 
Dec 12 06:35:03.288 INFO [stderr] warning: unused imports: `Receiver`, `Sender`
Dec 12 06:35:03.288 INFO [stderr]    --> src/lib.rs:368:36
Dec 12 06:35:03.288 INFO [stderr]     |
Dec 12 06:35:03.288 INFO [stderr] 368 |     use std::sync::mpsc::{channel, Receiver, Sender};
Dec 12 06:35:03.288 INFO [stderr]     |                                    ^^^^^^^^  ^^^^^^
Dec 12 06:35:03.288 INFO [stderr] 
Dec 12 06:35:03.288 INFO [stderr] error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions.
Dec 12 06:35:03.288 INFO [stderr]    --> src/lib.rs:178:9
Dec 12 06:35:03.288 INFO [stderr]     |
Dec 12 06:35:03.288 INFO [stderr] 178 | impl<T, E=()> Future<T, E>
Dec 12 06:35:03.288 INFO [stderr]     |         ^
Dec 12 06:35:03.288 INFO [stderr]     |
Dec 12 06:35:03.288 INFO [stderr]     = note: #[deny(invalid_type_param_default)] on by default
Dec 12 06:35:03.288 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!
Dec 12 06:35:03.288 INFO [stderr]     = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887>
Dec 12 06:35:03.288 INFO [stderr] 
Dec 12 06:35:03.295 INFO [stderr] error: aborting due to previous error
Dec 12 06:35:03.295 INFO [stderr] 
Dec 12 06:35:03.300 INFO [stderr] error: Could not compile `tangle`.
Dec 12 06:35:03.300 INFO [stderr] 
Dec 12 06:35:03.300 INFO [stderr] To learn more, run the command again with --verbose.
Dec 12 06:35:03.300 INFO [stderr] su: No module specific data is present
Dec 12 06:35:04.320 INFO running `"docker" "inspect" "22c7f591a08fd135757de1e34f09683ad2b896170450e51f49f93ab5ed618e56"`
Dec 12 06:35:04.612 INFO running `"docker" "rm" "-f" "22c7f591a08fd135757de1e34f09683ad2b896170450e51f49f93ab5ed618e56"`
Dec 12 06:35:04.888 INFO [stdout] 22c7f591a08fd135757de1e34f09683ad2b896170450e51f49f93ab5ed618e56