Sep 10 13:08:11.970 INFO checking persistent_rope-0.1.2 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 13:08:11.970 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 13:08:11.970 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-7/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 13:08:12.147 INFO blam! c7c2a11cd9f888241199af311e0415ad548cb8dcbe74c1d50e970d7b6bd752cd
Sep 10 13:08:12.151 INFO running `"docker" "start" "-a" "c7c2a11cd9f888241199af311e0415ad548cb8dcbe74c1d50e970d7b6bd752cd"`
Sep 10 13:08:12.923 INFO kablam! usermod: no changes
Sep 10 13:08:13.014 INFO kablam!     Checking persistent_rope v0.1.2 (file:///source)
Sep 10 13:08:13.014 INFO kablam!     Checking xi-rope v0.2.0
Sep 10 13:08:13.022 INFO kablam!     Checking an-rope v0.3.1
Sep 10 13:08:13.290 INFO kablam! error[E0432]: unresolved import `alloc::arc`
Sep 10 13:08:13.290 INFO kablam!  --> src/rope.rs:1:12
Sep 10 13:08:13.290 INFO kablam!   |
Sep 10 13:08:13.290 INFO kablam! 1 | use alloc::arc::Arc;
Sep 10 13:08:13.290 INFO kablam!   |            ^^^ Could not find `arc` in `alloc`
Sep 10 13:08:13.291 INFO kablam! 
Sep 10 13:08:13.387 INFO kablam! error[E0119]: conflicting implementations of trait `core::ops::Add<char>` for type `rope::Rope`:
Sep 10 13:08:13.387 INFO kablam!    --> src/rope.rs:617:1
Sep 10 13:08:13.387 INFO kablam!     |
Sep 10 13:08:13.387 INFO kablam! 578 | / impl<T> Add<T> for Rope
Sep 10 13:08:13.387 INFO kablam! 579 | | where
Sep 10 13:08:13.387 INFO kablam! 580 | |     T: Into<Rope>,
Sep 10 13:08:13.387 INFO kablam! 581 | | {
Sep 10 13:08:13.387 INFO kablam! ...   |
Sep 10 13:08:13.387 INFO kablam! 594 | |     }
Sep 10 13:08:13.387 INFO kablam! 595 | | }
Sep 10 13:08:13.387 INFO kablam!     | |_- first implementation here
Sep 10 13:08:13.387 INFO kablam! ...
Sep 10 13:08:13.387 INFO kablam! 617 |   impl Add<char> for Rope {
Sep 10 13:08:13.387 INFO kablam!     |   ^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `rope::Rope`
Sep 10 13:08:13.390 INFO kablam! 
Sep 10 13:08:13.390 INFO kablam! error[E0119]: conflicting implementations of trait `core::ops::Add<char>` for type `&rope::Rope`:
Sep 10 13:08:13.390 INFO kablam!    --> src/rope.rs:631:1
Sep 10 13:08:13.390 INFO kablam!     |
Sep 10 13:08:13.390 INFO kablam! 597 | / impl<'a, T> Add<T> for &'a Rope
Sep 10 13:08:13.390 INFO kablam! 598 | | where
Sep 10 13:08:13.390 INFO kablam! 599 | |     T: Into<Rope>,
Sep 10 13:08:13.390 INFO kablam! 600 | | {
Sep 10 13:08:13.390 INFO kablam! ...   |
Sep 10 13:08:13.390 INFO kablam! 614 | |     }
Sep 10 13:08:13.390 INFO kablam! 615 | | }
Sep 10 13:08:13.390 INFO kablam!     | |_- first implementation here
Sep 10 13:08:13.390 INFO kablam! ...
Sep 10 13:08:13.390 INFO kablam! 631 |   impl<'a> Add<char> for &'a Rope {
Sep 10 13:08:13.390 INFO kablam!     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `&rope::Rope`
Sep 10 13:08:13.390 INFO kablam! 
Sep 10 13:08:13.442 INFO kablam! error[E0119]: conflicting implementations of trait `core::convert::From<[type error]>` for type `rope::Rope`:
Sep 10 13:08:13.442 INFO kablam!    --> src/rope.rs:535:1
Sep 10 13:08:13.442 INFO kablam!     |
Sep 10 13:08:13.442 INFO kablam! 518 | impl From<Arc<Rope>> for Rope {
Sep 10 13:08:13.442 INFO kablam!     | ----------------------------- first implementation here
Sep 10 13:08:13.442 INFO kablam! ...
Sep 10 13:08:13.442 INFO kablam! 535 | impl<'a> From<&'a Rope> for Rope {
Sep 10 13:08:13.442 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `rope::Rope`
Sep 10 13:08:13.446 INFO kablam! 
Sep 10 13:08:13.446 INFO kablam! error[E0119]: conflicting implementations of trait `core::convert::From<[type error]>` for type `rope::Rope`:
Sep 10 13:08:13.446 INFO kablam!    --> src/rope.rs:542:1
Sep 10 13:08:13.446 INFO kablam!     |
Sep 10 13:08:13.446 INFO kablam! 518 | impl From<Arc<Rope>> for Rope {
Sep 10 13:08:13.446 INFO kablam!     | ----------------------------- first implementation here
Sep 10 13:08:13.446 INFO kablam! ...
Sep 10 13:08:13.446 INFO kablam! 542 | impl<'a> From<&'a str> for Rope {
Sep 10 13:08:13.446 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `rope::Rope`
Sep 10 13:08:13.446 INFO kablam! 
Sep 10 13:08:13.446 INFO kablam! error[E0119]: conflicting implementations of trait `core::convert::From<[type error]>` for type `rope::Rope`:
Sep 10 13:08:13.446 INFO kablam!    --> src/rope.rs:548:1
Sep 10 13:08:13.446 INFO kablam!     |
Sep 10 13:08:13.446 INFO kablam! 518 | impl From<Arc<Rope>> for Rope {
Sep 10 13:08:13.446 INFO kablam!     | ----------------------------- first implementation here
Sep 10 13:08:13.446 INFO kablam! ...
Sep 10 13:08:13.446 INFO kablam! 548 | impl<'a> From<&'a String> for Rope {
Sep 10 13:08:13.446 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `rope::Rope`
Sep 10 13:08:13.446 INFO kablam! 
Sep 10 13:08:13.447 INFO kablam! error[E0119]: conflicting implementations of trait `core::convert::From<[type error]>` for type `rope::Rope`:
Sep 10 13:08:13.447 INFO kablam!    --> src/rope.rs:554:1
Sep 10 13:08:13.447 INFO kablam!     |
Sep 10 13:08:13.447 INFO kablam! 518 | impl From<Arc<Rope>> for Rope {
Sep 10 13:08:13.447 INFO kablam!     | ----------------------------- first implementation here
Sep 10 13:08:13.447 INFO kablam! ...
Sep 10 13:08:13.447 INFO kablam! 554 | impl From<String> for Rope {
Sep 10 13:08:13.447 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `rope::Rope`
Sep 10 13:08:13.447 INFO kablam! 
Sep 10 13:08:13.462 INFO kablam! error: aborting due to 7 previous errors
Sep 10 13:08:13.462 INFO kablam! 
Sep 10 13:08:13.462 INFO kablam! Some errors occurred: E0119, E0432.
Sep 10 13:08:13.462 INFO kablam! For more information about an error, try `rustc --explain E0119`.
Sep 10 13:08:13.467 INFO kablam! error: Could not compile `persistent_rope`.
Sep 10 13:08:13.467 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 13:08:14.807 INFO kablam! error: build failed
Sep 10 13:08:14.809 INFO kablam! su: No module specific data is present
Sep 10 13:08:16.764 INFO running `"docker" "rm" "-f" "c7c2a11cd9f888241199af311e0415ad548cb8dcbe74c1d50e970d7b6bd752cd"`
Sep 10 13:08:16.871 INFO blam! c7c2a11cd9f888241199af311e0415ad548cb8dcbe74c1d50e970d7b6bd752cd