Sep 01 02:39:32.982 INFO checking vertree-0.2.2 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 02:39:32.982 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 02:39:32.982 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 02:39:33.190 INFO blam! b96f07ae5f9be1f0cf21660963df60b6bdd4f639ee85f8d42db580a9c6cb873c
Sep 01 02:39:33.191 INFO running `"docker" "start" "-a" "b96f07ae5f9be1f0cf21660963df60b6bdd4f639ee85f8d42db580a9c6cb873c"`
Sep 01 02:39:34.034 INFO kablam!     Checking assert_matches v1.3.0
Sep 01 02:39:34.041 INFO kablam!     Checking rmp v0.8.7
Sep 01 02:39:35.274 INFO kablam!     Checking rmp-serde v0.13.7
Sep 01 02:39:36.339 INFO kablam!     Checking vertree v0.2.2 (file:///source)
Sep 01 02:39:38.691 INFO kablam! warning: variable does not need to be mutable
Sep 01 02:39:38.691 INFO kablam!    --> src/tree.rs:268:14
Sep 01 02:39:38.691 INFO kablam!     |
Sep 01 02:39:38.691 INFO kablam! 268 |         let (mut queue, version, tree) = {
Sep 01 02:39:38.691 INFO kablam!     |              ----^^^^^
Sep 01 02:39:38.691 INFO kablam!     |              |
Sep 01 02:39:38.691 INFO kablam!     |              help: remove this `mut`
Sep 01 02:39:38.691 INFO kablam!     |
Sep 01 02:39:38.691 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 02:39:38.691 INFO kablam! 
Sep 01 02:39:38.693 INFO kablam! warning: variable does not need to be mutable
Sep 01 02:39:38.693 INFO kablam!    --> src/tree.rs:282:14
Sep 01 02:39:38.693 INFO kablam!     |
Sep 01 02:39:38.693 INFO kablam! 282 |         let (mut queue, version, tree) = {
Sep 01 02:39:38.693 INFO kablam!     |              ----^^^^^
Sep 01 02:39:38.693 INFO kablam!     |              |
Sep 01 02:39:38.693 INFO kablam!     |              help: remove this `mut`
Sep 01 02:39:38.693 INFO kablam! 
Sep 01 02:39:38.695 INFO kablam! warning: variable does not need to be mutable
Sep 01 02:39:38.695 INFO kablam!    --> src/tree.rs:295:14
Sep 01 02:39:38.695 INFO kablam!     |
Sep 01 02:39:38.695 INFO kablam! 295 |         let (mut set, version, tree) = {
Sep 01 02:39:38.696 INFO kablam!     |              ----^^^
Sep 01 02:39:38.696 INFO kablam!     |              |
Sep 01 02:39:38.696 INFO kablam!     |              help: remove this `mut`
Sep 01 02:39:38.696 INFO kablam! 
Sep 01 02:39:38.698 INFO kablam! warning: variable does not need to be mutable
Sep 01 02:39:38.698 INFO kablam!    --> src/tree.rs:308:14
Sep 01 02:39:38.698 INFO kablam!     |
Sep 01 02:39:38.698 INFO kablam! 308 |         let (mut set, version, tree) = {
Sep 01 02:39:38.698 INFO kablam!     |              ----^^^
Sep 01 02:39:38.698 INFO kablam!     |              |
Sep 01 02:39:38.698 INFO kablam!     |              help: remove this `mut`
Sep 01 02:39:38.698 INFO kablam! 
Sep 01 02:39:38.699 INFO kablam! warning: variable does not need to be mutable
Sep 01 02:39:38.699 INFO kablam!    --> src/tree.rs:322:13
Sep 01 02:39:38.699 INFO kablam!     |
Sep 01 02:39:38.699 INFO kablam! 322 |         let mut queue = node.content.get_queue_mut().unwrap();
Sep 01 02:39:38.699 INFO kablam!     |             ----^^^^^
Sep 01 02:39:38.699 INFO kablam!     |             |
Sep 01 02:39:38.699 INFO kablam!     |             help: remove this `mut`
Sep 01 02:39:38.699 INFO kablam! 
Sep 01 02:39:38.701 INFO kablam! warning: variable does not need to be mutable
Sep 01 02:39:38.701 INFO kablam!    --> src/tree.rs:328:13
Sep 01 02:39:38.701 INFO kablam!     |
Sep 01 02:39:38.701 INFO kablam! 328 |         let mut queue = node.content.get_set_mut().unwrap();
Sep 01 02:39:38.701 INFO kablam!     |             ----^^^^^
Sep 01 02:39:38.701 INFO kablam!     |             |
Sep 01 02:39:38.701 INFO kablam!     |             help: remove this `mut`
Sep 01 02:39:38.701 INFO kablam! 
Sep 01 02:39:39.447 INFO kablam! warning: variable does not need to be mutable
Sep 01 02:39:39.447 INFO kablam!    --> src/tree.rs:268:14
Sep 01 02:39:39.447 INFO kablam!     |
Sep 01 02:39:39.447 INFO kablam! 268 |         let (mut queue, version, tree) = {
Sep 01 02:39:39.447 INFO kablam!     |              ----^^^^^
Sep 01 02:39:39.447 INFO kablam!     |              |
Sep 01 02:39:39.447 INFO kablam!     |              help: remove this `mut`
Sep 01 02:39:39.447 INFO kablam!     |
Sep 01 02:39:39.447 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 02:39:39.447 INFO kablam! 
Sep 01 02:39:39.449 INFO kablam! warning: variable does not need to be mutable
Sep 01 02:39:39.449 INFO kablam!    --> src/tree.rs:282:14
Sep 01 02:39:39.449 INFO kablam!     |
Sep 01 02:39:39.449 INFO kablam! 282 |         let (mut queue, version, tree) = {
Sep 01 02:39:39.449 INFO kablam!     |              ----^^^^^
Sep 01 02:39:39.449 INFO kablam!     |              |
Sep 01 02:39:39.449 INFO kablam!     |              help: remove this `mut`
Sep 01 02:39:39.449 INFO kablam! 
Sep 01 02:39:39.451 INFO kablam! warning: variable does not need to be mutable
Sep 01 02:39:39.451 INFO kablam!    --> src/tree.rs:295:14
Sep 01 02:39:39.451 INFO kablam!     |
Sep 01 02:39:39.451 INFO kablam! 295 |         let (mut set, version, tree) = {
Sep 01 02:39:39.451 INFO kablam!     |              ----^^^
Sep 01 02:39:39.451 INFO kablam!     |              |
Sep 01 02:39:39.451 INFO kablam!     |              help: remove this `mut`
Sep 01 02:39:39.451 INFO kablam! 
Sep 01 02:39:39.453 INFO kablam! warning: variable does not need to be mutable
Sep 01 02:39:39.453 INFO kablam!    --> src/tree.rs:308:14
Sep 01 02:39:39.453 INFO kablam!     |
Sep 01 02:39:39.453 INFO kablam! 308 |         let (mut set, version, tree) = {
Sep 01 02:39:39.453 INFO kablam!     |              ----^^^
Sep 01 02:39:39.453 INFO kablam!     |              |
Sep 01 02:39:39.453 INFO kablam!     |              help: remove this `mut`
Sep 01 02:39:39.453 INFO kablam! 
Sep 01 02:39:39.454 INFO kablam! warning: variable does not need to be mutable
Sep 01 02:39:39.454 INFO kablam!    --> src/tree.rs:322:13
Sep 01 02:39:39.454 INFO kablam!     |
Sep 01 02:39:39.455 INFO kablam! 322 |         let mut queue = node.content.get_queue_mut().unwrap();
Sep 01 02:39:39.455 INFO kablam!     |             ----^^^^^
Sep 01 02:39:39.455 INFO kablam!     |             |
Sep 01 02:39:39.455 INFO kablam!     |             help: remove this `mut`
Sep 01 02:39:39.455 INFO kablam! 
Sep 01 02:39:39.456 INFO kablam! warning: variable does not need to be mutable
Sep 01 02:39:39.456 INFO kablam!    --> src/tree.rs:328:13
Sep 01 02:39:39.456 INFO kablam!     |
Sep 01 02:39:39.456 INFO kablam! 328 |         let mut queue = node.content.get_set_mut().unwrap();
Sep 01 02:39:39.456 INFO kablam!     |             ----^^^^^
Sep 01 02:39:39.456 INFO kablam!     |             |
Sep 01 02:39:39.456 INFO kablam!     |             help: remove this `mut`
Sep 01 02:39:39.456 INFO kablam! 
Sep 01 02:39:40.111 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.18s
Sep 01 02:39:40.118 INFO kablam! su: No module specific data is present
Sep 01 02:39:40.474 INFO running `"docker" "rm" "-f" "b96f07ae5f9be1f0cf21660963df60b6bdd4f639ee85f8d42db580a9c6cb873c"`
Sep 01 02:39:40.561 INFO blam! b96f07ae5f9be1f0cf21660963df60b6bdd4f639ee85f8d42db580a9c6cb873c