Sep 10 07:20:33.015 INFO checking two-sided-vec-0.1.5 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 07:20:33.015 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 07:20:33.015 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-5/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 07:20:33.230 INFO blam! 5882b70e76f157d26c297fb248a869ca19227ff3d620599e123bd8fd7112516e
Sep 10 07:20:33.232 INFO running `"docker" "start" "-a" "5882b70e76f157d26c297fb248a869ca19227ff3d620599e123bd8fd7112516e"`
Sep 10 07:20:34.409 INFO kablam! usermod: no changes
Sep 10 07:20:34.463 INFO kablam!     Checking two-sided-vec v0.1.5 (file:///source)
Sep 10 07:20:34.994 INFO kablam! warning: the feature `fused` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 10 07:20:34.994 INFO kablam!  --> src/lib.rs:6:5
Sep 10 07:20:34.994 INFO kablam!   |
Sep 10 07:20:34.994 INFO kablam! 6 |     fused, // Likewise fused iterators can also improve performance
Sep 10 07:20:34.994 INFO kablam!   |     ^^^^^
Sep 10 07:20:34.994 INFO kablam!   |
Sep 10 07:20:34.994 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 10 07:20:34.994 INFO kablam! 
Sep 10 07:20:34.994 INFO kablam! warning: the feature `pointer_methods` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 10 07:20:34.994 INFO kablam!  --> src/lib.rs:4:5
Sep 10 07:20:34.994 INFO kablam!   |
Sep 10 07:20:34.994 INFO kablam! 4 |     pointer_methods, // These are just plain useful ;)
Sep 10 07:20:34.994 INFO kablam!   |     ^^^^^^^^^^^^^^^
Sep 10 07:20:34.994 INFO kablam! 
Sep 10 07:20:35.125 INFO kablam! warning: the feature `fused` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 10 07:20:35.125 INFO kablam!  --> src/lib.rs:6:5
Sep 10 07:20:35.125 INFO kablam!   |
Sep 10 07:20:35.125 INFO kablam! 6 |     fused, // Likewise fused iterators can also improve performance
Sep 10 07:20:35.125 INFO kablam!   |     ^^^^^
Sep 10 07:20:35.127 INFO kablam!   |
Sep 10 07:20:35.127 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 10 07:20:35.127 INFO kablam! 
Sep 10 07:20:35.127 INFO kablam! warning: the feature `pointer_methods` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 10 07:20:35.127 INFO kablam!  --> src/lib.rs:4:5
Sep 10 07:20:35.127 INFO kablam!   |
Sep 10 07:20:35.127 INFO kablam! 4 |     pointer_methods, // These are just plain useful ;)
Sep 10 07:20:35.127 INFO kablam!   |     ^^^^^^^^^^^^^^^
Sep 10 07:20:35.127 INFO kablam! 
Sep 10 07:20:35.230 INFO kablam! error[E0463]: can't find crate for `serde`
Sep 10 07:20:35.230 INFO kablam!  --> tests/basic.rs:3:1
Sep 10 07:20:35.230 INFO kablam!   |
Sep 10 07:20:35.230 INFO kablam! 3 | extern crate serde;
Sep 10 07:20:35.230 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^ can't find crate
Sep 10 07:20:35.230 INFO kablam! 
Sep 10 07:20:35.230 INFO kablam! error: aborting due to previous error
Sep 10 07:20:35.230 INFO kablam! 
Sep 10 07:20:35.230 INFO kablam! For more information about this error, try `rustc --explain E0463`.
Sep 10 07:20:35.237 INFO kablam! error: Could not compile `two-sided-vec`.
Sep 10 07:20:35.237 INFO kablam! 
Sep 10 07:20:35.237 INFO kablam! To learn more, run the command again with --verbose.
Sep 10 07:20:35.237 INFO kablam! su: No module specific data is present
Sep 10 07:20:35.795 INFO running `"docker" "rm" "-f" "5882b70e76f157d26c297fb248a869ca19227ff3d620599e123bd8fd7112516e"`
Sep 10 07:20:35.917 INFO blam! 5882b70e76f157d26c297fb248a869ca19227ff3d620599e123bd8fd7112516e