Nov 28 17:06:42.055 INFO checking tangle-0.4.0 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 17:06:42.057 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 17:06:42.526 INFO [stdout] 74240e32d553485641b7b02247a580e298821972d8b4439995072d2b5f8d715d
Nov 28 17:06:42.530 INFO running `"docker" "start" "-a" "74240e32d553485641b7b02247a580e298821972d8b4439995072d2b5f8d715d"`
Nov 28 17:06:44.106 INFO [stderr] usermod: no changes
Nov 28 17:06:44.160 INFO [stderr]     Checking threadpool v1.7.1
Nov 28 17:06:44.898 INFO [stderr]     Checking tangle v0.4.0 (/source)
Nov 28 17:06:45.649 INFO [stderr] warning: unused import: `std::thread`
Nov 28 17:06:45.650 INFO [stderr]  --> src/lib.rs:7:5
Nov 28 17:06:45.650 INFO [stderr]   |
Nov 28 17:06:45.650 INFO [stderr] 7 | use std::thread;
Nov 28 17:06:45.650 INFO [stderr]   |     ^^^^^^^^^^^
Nov 28 17:06:45.650 INFO [stderr]   |
Nov 28 17:06:45.650 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 17:06:45.650 INFO [stderr] 
Nov 28 17:06:45.650 INFO [stderr] warning: unused import: `std::convert`
Nov 28 17:06:45.650 INFO [stderr]   --> src/lib.rs:10:5
Nov 28 17:06:45.650 INFO [stderr]    |
Nov 28 17:06:45.650 INFO [stderr] 10 | use std::convert;
Nov 28 17:06:45.650 INFO [stderr]    |     ^^^^^^^^^^^^
Nov 28 17:06:45.650 INFO [stderr] 
Nov 28 17:06:45.672 INFO [stderr] error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions.
Nov 28 17:06:45.672 INFO [stderr]    --> src/lib.rs:178:9
Nov 28 17:06:45.672 INFO [stderr]     |
Nov 28 17:06:45.672 INFO [stderr] 178 | impl<T, E=()> Future<T, E>
Nov 28 17:06:45.672 INFO [stderr]     |         ^
Nov 28 17:06:45.672 INFO [stderr]     |
Nov 28 17:06:45.672 INFO [stderr]     = note: #[deny(invalid_type_param_default)] on by default
Nov 28 17:06:45.672 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 28 17:06:45.672 INFO [stderr]     = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887>
Nov 28 17:06:45.672 INFO [stderr] 
Nov 28 17:06:45.672 INFO [stderr] error: aborting due to previous error
Nov 28 17:06:45.672 INFO [stderr] 
Nov 28 17:06:45.672 INFO [stderr] error: Could not compile `tangle`.
Nov 28 17:06:45.672 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 28 17:06:45.912 INFO [stderr] warning: unused import: `std::thread`
Nov 28 17:06:45.912 INFO [stderr]  --> src/lib.rs:7:5
Nov 28 17:06:45.912 INFO [stderr]   |
Nov 28 17:06:45.912 INFO [stderr] 7 | use std::thread;
Nov 28 17:06:45.912 INFO [stderr]   |     ^^^^^^^^^^^
Nov 28 17:06:45.912 INFO [stderr]   |
Nov 28 17:06:45.912 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 17:06:45.912 INFO [stderr] 
Nov 28 17:06:45.912 INFO [stderr] warning: unused import: `std::convert`
Nov 28 17:06:45.912 INFO [stderr]   --> src/lib.rs:10:5
Nov 28 17:06:45.912 INFO [stderr]    |
Nov 28 17:06:45.912 INFO [stderr] 10 | use std::convert;
Nov 28 17:06:45.912 INFO [stderr]    |     ^^^^^^^^^^^^
Nov 28 17:06:45.912 INFO [stderr] 
Nov 28 17:06:45.912 INFO [stderr] warning: unused imports: `Receiver`, `Sender`
Nov 28 17:06:45.912 INFO [stderr]    --> src/lib.rs:368:36
Nov 28 17:06:45.912 INFO [stderr]     |
Nov 28 17:06:45.912 INFO [stderr] 368 |     use std::sync::mpsc::{channel, Receiver, Sender};
Nov 28 17:06:45.912 INFO [stderr]     |                                    ^^^^^^^^  ^^^^^^
Nov 28 17:06:45.912 INFO [stderr] 
Nov 28 17:06:45.912 INFO [stderr] error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions.
Nov 28 17:06:45.912 INFO [stderr]    --> src/lib.rs:178:9
Nov 28 17:06:45.912 INFO [stderr]     |
Nov 28 17:06:45.912 INFO [stderr] 178 | impl<T, E=()> Future<T, E>
Nov 28 17:06:45.912 INFO [stderr]     |         ^
Nov 28 17:06:45.912 INFO [stderr]     |
Nov 28 17:06:45.912 INFO [stderr]     = note: #[deny(invalid_type_param_default)] on by default
Nov 28 17:06:45.912 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 28 17:06:45.912 INFO [stderr]     = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887>
Nov 28 17:06:45.912 INFO [stderr] 
Nov 28 17:06:45.912 INFO [stderr] error: aborting due to previous error
Nov 28 17:06:45.912 INFO [stderr] 
Nov 28 17:06:45.916 INFO [stderr] error: Could not compile `tangle`.
Nov 28 17:06:45.916 INFO [stderr] 
Nov 28 17:06:45.916 INFO [stderr] To learn more, run the command again with --verbose.
Nov 28 17:06:45.917 INFO [stderr] su: No module specific data is present
Nov 28 17:06:46.586 INFO running `"docker" "inspect" "74240e32d553485641b7b02247a580e298821972d8b4439995072d2b5f8d715d"`
Nov 28 17:06:46.923 INFO running `"docker" "rm" "-f" "74240e32d553485641b7b02247a580e298821972d8b4439995072d2b5f8d715d"`
Nov 28 17:06:47.140 INFO [stdout] 74240e32d553485641b7b02247a580e298821972d8b4439995072d2b5f8d715d