Oct 15 17:05:34.848 INFO testing tangle-0.4.0 against try#40d4795669493f1965de7c44029c69552134fe1f for rustdoc-test-static-cling-1
Oct 15 17:05:34.848 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/rustdoc-test-static-cling-1/worker-2/try#40d4795669493f1965de7c44029c69552134fe1f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/rustdoc-test-static-cling-1/try#40d4795669493f1965de7c44029c69552134fe1f:/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 +40d4795669493f1965de7c44029c69552134fe1f-alt build --frozen" "-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 15 17:05:35.288 INFO blam! e5f6ebea4b53eb9c5365595d6c66fdf5201dd9d6dbfb62050a2dd802d906d1e6
Oct 15 17:05:35.293 INFO running `"docker" "start" "-a" "e5f6ebea4b53eb9c5365595d6c66fdf5201dd9d6dbfb62050a2dd802d906d1e6"`
Oct 15 17:05:36.471 INFO kablam! usermod: no changes
Oct 15 17:05:36.527 INFO kablam!    Compiling num_cpus v0.2.13
Oct 15 17:05:37.031 INFO kablam!    Compiling tangle v0.4.0 (/source)
Oct 15 17:05:37.547 INFO kablam! warning: unused import: `std::thread`
Oct 15 17:05:37.547 INFO kablam!  --> src/lib.rs:7:5
Oct 15 17:05:37.547 INFO kablam!   |
Oct 15 17:05:37.547 INFO kablam! 7 | use std::thread;
Oct 15 17:05:37.547 INFO kablam!   |     ^^^^^^^^^^^
Oct 15 17:05:37.547 INFO kablam!   |
Oct 15 17:05:37.547 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 15 17:05:37.547 INFO kablam! 
Oct 15 17:05:37.547 INFO kablam! warning: unused import: `std::convert`
Oct 15 17:05:37.547 INFO kablam!   --> src/lib.rs:10:5
Oct 15 17:05:37.547 INFO kablam!    |
Oct 15 17:05:37.547 INFO kablam! 10 | use std::convert;
Oct 15 17:05:37.547 INFO kablam!    |     ^^^^^^^^^^^^
Oct 15 17:05:37.547 INFO kablam! 
Oct 15 17:05:37.551 INFO kablam! error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions.
Oct 15 17:05:37.551 INFO kablam!    --> src/lib.rs:178:9
Oct 15 17:05:37.551 INFO kablam!     |
Oct 15 17:05:37.551 INFO kablam! 178 | impl<T, E=()> Future<T, E>
Oct 15 17:05:37.551 INFO kablam!     |         ^
Oct 15 17:05:37.551 INFO kablam!     |
Oct 15 17:05:37.551 INFO kablam!     = note: #[deny(invalid_type_param_default)] on by default
Oct 15 17:05:37.551 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 15 17:05:37.551 INFO kablam!     = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887>
Oct 15 17:05:37.551 INFO kablam! 
Oct 15 17:05:37.551 INFO kablam! error: aborting due to previous error
Oct 15 17:05:37.551 INFO kablam! 
Oct 15 17:05:37.556 INFO kablam! error: Could not compile `tangle`.
Oct 15 17:05:37.556 INFO kablam! 
Oct 15 17:05:37.556 INFO kablam! To learn more, run the command again with --verbose.
Oct 15 17:05:37.558 INFO kablam! su: No module specific data is present
Oct 15 17:05:38.595 INFO running `"docker" "rm" "-f" "e5f6ebea4b53eb9c5365595d6c66fdf5201dd9d6dbfb62050a2dd802d906d1e6"`
Oct 15 17:05:38.815 INFO blam! e5f6ebea4b53eb9c5365595d6c66fdf5201dd9d6dbfb62050a2dd802d906d1e6