Sep 03 23:06:20.926 INFO checking vertree-0.2.2 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 03 23:06:20.926 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 03 23:06:20.926 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/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 03 23:06:21.073 INFO blam! 224c3b0e9d9c86279ce1c1eec5d5ea0ea6ac6dce0a48280dda842f01d7d16bee
Sep 03 23:06:21.075 INFO running `"docker" "start" "-a" "224c3b0e9d9c86279ce1c1eec5d5ea0ea6ac6dce0a48280dda842f01d7d16bee"`
Sep 03 23:06:21.789 INFO kablam!    Compiling serde v1.0.76
Sep 03 23:06:21.792 INFO kablam!     Checking rmp v0.8.7
Sep 03 23:06:36.987 INFO kablam!     Checking rmp-serde v0.13.7
Sep 03 23:06:38.026 INFO kablam!     Checking vertree v0.2.2 (file:///source)
Sep 03 23:06:39.594 INFO kablam! warning: variable does not need to be mutable
Sep 03 23:06:39.594 INFO kablam!    --> src/tree.rs:268:14
Sep 03 23:06:39.594 INFO kablam!     |
Sep 03 23:06:39.594 INFO kablam! 268 |         let (mut queue, version, tree) = {
Sep 03 23:06:39.594 INFO kablam!     |              ----^^^^^
Sep 03 23:06:39.594 INFO kablam!     |              |
Sep 03 23:06:39.594 INFO kablam!     |              help: remove this `mut`
Sep 03 23:06:39.594 INFO kablam!     |
Sep 03 23:06:39.594 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 03 23:06:39.594 INFO kablam! 
Sep 03 23:06:39.596 INFO kablam! warning: variable does not need to be mutable
Sep 03 23:06:39.596 INFO kablam!    --> src/tree.rs:282:14
Sep 03 23:06:39.596 INFO kablam!     |
Sep 03 23:06:39.596 INFO kablam! 282 |         let (mut queue, version, tree) = {
Sep 03 23:06:39.596 INFO kablam!     |              ----^^^^^
Sep 03 23:06:39.596 INFO kablam!     |              |
Sep 03 23:06:39.596 INFO kablam!     |              help: remove this `mut`
Sep 03 23:06:39.596 INFO kablam! 
Sep 03 23:06:39.597 INFO kablam! warning: variable does not need to be mutable
Sep 03 23:06:39.597 INFO kablam!    --> src/tree.rs:295:14
Sep 03 23:06:39.598 INFO kablam!     |
Sep 03 23:06:39.598 INFO kablam! 295 |         let (mut set, version, tree) = {
Sep 03 23:06:39.598 INFO kablam!     |              ----^^^
Sep 03 23:06:39.598 INFO kablam!     |              |
Sep 03 23:06:39.598 INFO kablam!     |              help: remove this `mut`
Sep 03 23:06:39.598 INFO kablam! 
Sep 03 23:06:39.599 INFO kablam! warning: variable does not need to be mutable
Sep 03 23:06:39.599 INFO kablam!    --> src/tree.rs:308:14
Sep 03 23:06:39.599 INFO kablam!     |
Sep 03 23:06:39.599 INFO kablam! 308 |         let (mut set, version, tree) = {
Sep 03 23:06:39.599 INFO kablam!     |              ----^^^
Sep 03 23:06:39.599 INFO kablam!     |              |
Sep 03 23:06:39.599 INFO kablam!     |              help: remove this `mut`
Sep 03 23:06:39.599 INFO kablam! 
Sep 03 23:06:39.601 INFO kablam! warning: variable does not need to be mutable
Sep 03 23:06:39.601 INFO kablam!    --> src/tree.rs:322:13
Sep 03 23:06:39.601 INFO kablam!     |
Sep 03 23:06:39.601 INFO kablam! 322 |         let mut queue = node.content.get_queue_mut().unwrap();
Sep 03 23:06:39.601 INFO kablam!     |             ----^^^^^
Sep 03 23:06:39.601 INFO kablam!     |             |
Sep 03 23:06:39.601 INFO kablam!     |             help: remove this `mut`
Sep 03 23:06:39.601 INFO kablam! 
Sep 03 23:06:39.602 INFO kablam! warning: variable does not need to be mutable
Sep 03 23:06:39.602 INFO kablam!    --> src/tree.rs:328:13
Sep 03 23:06:39.602 INFO kablam!     |
Sep 03 23:06:39.602 INFO kablam! 328 |         let mut queue = node.content.get_set_mut().unwrap();
Sep 03 23:06:39.602 INFO kablam!     |             ----^^^^^
Sep 03 23:06:39.602 INFO kablam!     |             |
Sep 03 23:06:39.602 INFO kablam!     |             help: remove this `mut`
Sep 03 23:06:39.602 INFO kablam! 
Sep 03 23:06:40.471 INFO kablam! warning: variable does not need to be mutable
Sep 03 23:06:40.471 INFO kablam!    --> src/tree.rs:268:14
Sep 03 23:06:40.471 INFO kablam!     |
Sep 03 23:06:40.471 INFO kablam! 268 |         let (mut queue, version, tree) = {
Sep 03 23:06:40.471 INFO kablam!     |              ----^^^^^
Sep 03 23:06:40.471 INFO kablam!     |              |
Sep 03 23:06:40.471 INFO kablam!     |              help: remove this `mut`
Sep 03 23:06:40.471 INFO kablam!     |
Sep 03 23:06:40.472 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 03 23:06:40.472 INFO kablam! 
Sep 03 23:06:40.473 INFO kablam! warning: variable does not need to be mutable
Sep 03 23:06:40.473 INFO kablam!    --> src/tree.rs:282:14
Sep 03 23:06:40.473 INFO kablam!     |
Sep 03 23:06:40.473 INFO kablam! 282 |         let (mut queue, version, tree) = {
Sep 03 23:06:40.473 INFO kablam!     |              ----^^^^^
Sep 03 23:06:40.473 INFO kablam!     |              |
Sep 03 23:06:40.473 INFO kablam!     |              help: remove this `mut`
Sep 03 23:06:40.473 INFO kablam! 
Sep 03 23:06:40.475 INFO kablam! warning: variable does not need to be mutable
Sep 03 23:06:40.475 INFO kablam!    --> src/tree.rs:295:14
Sep 03 23:06:40.475 INFO kablam!     |
Sep 03 23:06:40.475 INFO kablam! 295 |         let (mut set, version, tree) = {
Sep 03 23:06:40.475 INFO kablam!     |              ----^^^
Sep 03 23:06:40.475 INFO kablam!     |              |
Sep 03 23:06:40.475 INFO kablam!     |              help: remove this `mut`
Sep 03 23:06:40.475 INFO kablam! 
Sep 03 23:06:40.476 INFO kablam! warning: variable does not need to be mutable
Sep 03 23:06:40.476 INFO kablam!    --> src/tree.rs:308:14
Sep 03 23:06:40.476 INFO kablam!     |
Sep 03 23:06:40.476 INFO kablam! 308 |         let (mut set, version, tree) = {
Sep 03 23:06:40.476 INFO kablam!     |              ----^^^
Sep 03 23:06:40.476 INFO kablam!     |              |
Sep 03 23:06:40.477 INFO kablam!     |              help: remove this `mut`
Sep 03 23:06:40.477 INFO kablam! 
Sep 03 23:06:40.478 INFO kablam! warning: variable does not need to be mutable
Sep 03 23:06:40.478 INFO kablam!    --> src/tree.rs:322:13
Sep 03 23:06:40.478 INFO kablam!     |
Sep 03 23:06:40.478 INFO kablam! 322 |         let mut queue = node.content.get_queue_mut().unwrap();
Sep 03 23:06:40.478 INFO kablam!     |             ----^^^^^
Sep 03 23:06:40.478 INFO kablam!     |             |
Sep 03 23:06:40.478 INFO kablam!     |             help: remove this `mut`
Sep 03 23:06:40.478 INFO kablam! 
Sep 03 23:06:40.479 INFO kablam! warning: variable does not need to be mutable
Sep 03 23:06:40.479 INFO kablam!    --> src/tree.rs:328:13
Sep 03 23:06:40.479 INFO kablam!     |
Sep 03 23:06:40.479 INFO kablam! 328 |         let mut queue = node.content.get_set_mut().unwrap();
Sep 03 23:06:40.479 INFO kablam!     |             ----^^^^^
Sep 03 23:06:40.479 INFO kablam!     |             |
Sep 03 23:06:40.479 INFO kablam!     |             help: remove this `mut`
Sep 03 23:06:40.479 INFO kablam! 
Sep 03 23:06:40.945 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 19.26s
Sep 03 23:06:40.951 INFO kablam! su: No module specific data is present
Sep 03 23:06:41.494 INFO running `"docker" "rm" "-f" "224c3b0e9d9c86279ce1c1eec5d5ea0ea6ac6dce0a48280dda842f01d7d16bee"`
Sep 03 23:06:41.602 INFO blam! 224c3b0e9d9c86279ce1c1eec5d5ea0ea6ac6dce0a48280dda842f01d7d16bee