Sep 04 08:25:27.385 INFO checking persistent_rope-0.1.2 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 08:25:27.385 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 08:25:27.385 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-1/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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=500" "-e" "CMD=cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 08:25:27.581 INFO blam! 3f229166982a5cada5b0b7a38881350637898419577fce9c656c7b96306febbe
Sep 04 08:25:27.584 INFO running `"docker" "start" "-a" "3f229166982a5cada5b0b7a38881350637898419577fce9c656c7b96306febbe"`
Sep 04 08:25:28.233 INFO kablam!     Checking bytecount v0.1.7
Sep 04 08:25:28.233 INFO kablam!     Checking macro-attr v0.2.0
Sep 04 08:25:28.234 INFO kablam!     Checking persistent_rope v0.1.2 (file:///source)
Sep 04 08:25:28.307 INFO kablam! error[E0432]: unresolved import `alloc::arc`
Sep 04 08:25:28.307 INFO kablam!  --> src/rope.rs:1:12
Sep 04 08:25:28.307 INFO kablam!   |
Sep 04 08:25:28.307 INFO kablam! 1 | use alloc::arc::Arc;
Sep 04 08:25:28.307 INFO kablam!   |            ^^^ Could not find `arc` in `alloc`
Sep 04 08:25:28.307 INFO kablam! 
Sep 04 08:25:28.343 INFO kablam! error[E0119]: conflicting implementations of trait `core::ops::Add<char>` for type `rope::Rope`:
Sep 04 08:25:28.343 INFO kablam!    --> src/rope.rs:617:1
Sep 04 08:25:28.343 INFO kablam!     |
Sep 04 08:25:28.343 INFO kablam! 578 | / impl<T> Add<T> for Rope
Sep 04 08:25:28.343 INFO kablam! 579 | | where
Sep 04 08:25:28.343 INFO kablam! 580 | |     T: Into<Rope>,
Sep 04 08:25:28.343 INFO kablam! 581 | | {
Sep 04 08:25:28.343 INFO kablam! ...   |
Sep 04 08:25:28.343 INFO kablam! 594 | |     }
Sep 04 08:25:28.343 INFO kablam! 595 | | }
Sep 04 08:25:28.343 INFO kablam!     | |_- first implementation here
Sep 04 08:25:28.343 INFO kablam! ...
Sep 04 08:25:28.343 INFO kablam! 617 |   impl Add<char> for Rope {
Sep 04 08:25:28.343 INFO kablam!     |   ^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `rope::Rope`
Sep 04 08:25:28.344 INFO kablam! 
Sep 04 08:25:28.344 INFO kablam! error[E0119]: conflicting implementations of trait `core::ops::Add<char>` for type `&rope::Rope`:
Sep 04 08:25:28.344 INFO kablam!    --> src/rope.rs:631:1
Sep 04 08:25:28.344 INFO kablam!     |
Sep 04 08:25:28.344 INFO kablam! 597 | / impl<'a, T> Add<T> for &'a Rope
Sep 04 08:25:28.344 INFO kablam! 598 | | where
Sep 04 08:25:28.344 INFO kablam! 599 | |     T: Into<Rope>,
Sep 04 08:25:28.344 INFO kablam! 600 | | {
Sep 04 08:25:28.344 INFO kablam! ...   |
Sep 04 08:25:28.344 INFO kablam! 614 | |     }
Sep 04 08:25:28.344 INFO kablam! 615 | | }
Sep 04 08:25:28.344 INFO kablam!     | |_- first implementation here
Sep 04 08:25:28.344 INFO kablam! ...
Sep 04 08:25:28.344 INFO kablam! 631 |   impl<'a> Add<char> for &'a Rope {
Sep 04 08:25:28.344 INFO kablam!     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `&rope::Rope`
Sep 04 08:25:28.344 INFO kablam! 
Sep 04 08:25:28.396 INFO kablam! error[E0119]: conflicting implementations of trait `core::convert::From<[type error]>` for type `rope::Rope`:
Sep 04 08:25:28.396 INFO kablam!    --> src/rope.rs:535:1
Sep 04 08:25:28.396 INFO kablam!     |
Sep 04 08:25:28.396 INFO kablam! 518 | impl From<Arc<Rope>> for Rope {
Sep 04 08:25:28.396 INFO kablam!     | ----------------------------- first implementation here
Sep 04 08:25:28.396 INFO kablam! ...
Sep 04 08:25:28.396 INFO kablam! 535 | impl<'a> From<&'a Rope> for Rope {
Sep 04 08:25:28.396 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `rope::Rope`
Sep 04 08:25:28.396 INFO kablam! 
Sep 04 08:25:28.396 INFO kablam! error[E0119]: conflicting implementations of trait `core::convert::From<[type error]>` for type `rope::Rope`:
Sep 04 08:25:28.396 INFO kablam!    --> src/rope.rs:542:1
Sep 04 08:25:28.396 INFO kablam!     |
Sep 04 08:25:28.396 INFO kablam! 518 | impl From<Arc<Rope>> for Rope {
Sep 04 08:25:28.396 INFO kablam!     | ----------------------------- first implementation here
Sep 04 08:25:28.396 INFO kablam! ...
Sep 04 08:25:28.396 INFO kablam! 542 | impl<'a> From<&'a str> for Rope {
Sep 04 08:25:28.396 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `rope::Rope`
Sep 04 08:25:28.396 INFO kablam! 
Sep 04 08:25:28.396 INFO kablam! error[E0119]: conflicting implementations of trait `core::convert::From<[type error]>` for type `rope::Rope`:
Sep 04 08:25:28.396 INFO kablam!    --> src/rope.rs:548:1
Sep 04 08:25:28.397 INFO kablam!     |
Sep 04 08:25:28.397 INFO kablam! 518 | impl From<Arc<Rope>> for Rope {
Sep 04 08:25:28.397 INFO kablam!     | ----------------------------- first implementation here
Sep 04 08:25:28.397 INFO kablam! ...
Sep 04 08:25:28.397 INFO kablam! 548 | impl<'a> From<&'a String> for Rope {
Sep 04 08:25:28.397 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `rope::Rope`
Sep 04 08:25:28.397 INFO kablam! 
Sep 04 08:25:28.397 INFO kablam! error[E0119]: conflicting implementations of trait `core::convert::From<[type error]>` for type `rope::Rope`:
Sep 04 08:25:28.397 INFO kablam!    --> src/rope.rs:554:1
Sep 04 08:25:28.397 INFO kablam!     |
Sep 04 08:25:28.397 INFO kablam! 518 | impl From<Arc<Rope>> for Rope {
Sep 04 08:25:28.397 INFO kablam!     | ----------------------------- first implementation here
Sep 04 08:25:28.397 INFO kablam! ...
Sep 04 08:25:28.397 INFO kablam! 554 | impl From<String> for Rope {
Sep 04 08:25:28.397 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `rope::Rope`
Sep 04 08:25:28.397 INFO kablam! 
Sep 04 08:25:28.427 INFO kablam! error: aborting due to 7 previous errors
Sep 04 08:25:28.427 INFO kablam! 
Sep 04 08:25:28.427 INFO kablam! Some errors occurred: E0119, E0432.
Sep 04 08:25:28.427 INFO kablam! For more information about an error, try `rustc --explain E0119`.
Sep 04 08:25:28.434 INFO kablam! error: Could not compile `persistent_rope`.
Sep 04 08:25:28.434 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 08:25:28.852 INFO kablam! error: build failed
Sep 04 08:25:28.853 INFO kablam! su: No module specific data is present
Sep 04 08:25:29.222 INFO running `"docker" "rm" "-f" "3f229166982a5cada5b0b7a38881350637898419577fce9c656c7b96306febbe"`
Sep 04 08:25:29.360 INFO blam! 3f229166982a5cada5b0b7a38881350637898419577fce9c656c7b96306febbe