Aug 17 19:41:40.201 INFO checking im-11.0.1 against try#a5d98b025f62ace80fe9d2a15781f900fc42515e for pr-53426
Aug 17 19:41:40.201 INFO running: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 17 19:41:40.201 INFO creating container for: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 17 19:41:40.201 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53426/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-3/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/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 +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 19:41:40.480 INFO blam! 5431cf408033df45f7725ab560377da381fda720c716d149f3a07a7f7eb459ce
Aug 17 19:41:40.482 INFO running `"docker" "start" "-a" "5431cf408033df45f7725ab560377da381fda720c716d149f3a07a7f7eb459ce"`
Aug 17 19:41:41.608 INFO kablam!     Checking rand v0.5.5
Aug 17 19:41:41.608 INFO kablam!     Checking bit-set v0.5.0
Aug 17 19:41:41.609 INFO kablam!    Compiling im v11.0.1 (file:///source)
Aug 17 19:41:53.037 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:41:53.037 INFO kablam!    --> src/nodes/btree.rs:323:21
Aug 17 19:41:53.037 INFO kablam!     |
Aug 17 19:41:53.037 INFO kablam! 323 |                 let mut has_room = self.has_room();
Aug 17 19:41:53.037 INFO kablam!     |                     ----^^^^^^^^
Aug 17 19:41:53.037 INFO kablam!     |                     |
Aug 17 19:41:53.037 INFO kablam!     |                     help: remove this `mut`
Aug 17 19:41:53.037 INFO kablam!     |
Aug 17 19:41:53.037 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 17 19:41:53.037 INFO kablam! 
Aug 17 19:41:53.140 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:41:53.140 INFO kablam!    --> src/nodes/btree.rs:454:21
Aug 17 19:41:53.140 INFO kablam!     |
Aug 17 19:41:53.141 INFO kablam! 454 |                 let mut children = &mut self.children;
Aug 17 19:41:53.141 INFO kablam!     |                     ----^^^^^^^^
Aug 17 19:41:53.141 INFO kablam!     |                     |
Aug 17 19:41:53.141 INFO kablam!     |                     help: remove this `mut`
Aug 17 19:41:53.141 INFO kablam! 
Aug 17 19:41:53.141 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:41:53.141 INFO kablam!    --> src/nodes/btree.rs:456:21
Aug 17 19:41:53.141 INFO kablam!     |
Aug 17 19:41:53.141 INFO kablam! 456 |                 let mut value;
Aug 17 19:41:53.141 INFO kablam!     |                     ----^^^^^
Aug 17 19:41:53.141 INFO kablam!     |                     |
Aug 17 19:41:53.141 INFO kablam!     |                     help: remove this `mut`
Aug 17 19:41:53.141 INFO kablam! 
Aug 17 19:41:53.141 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:41:53.141 INFO kablam!    --> src/nodes/btree.rs:502:21
Aug 17 19:41:53.141 INFO kablam!     |
Aug 17 19:41:53.141 INFO kablam! 502 |                 let mut out_value;
Aug 17 19:41:53.141 INFO kablam!     |                     ----^^^^^^^^^
Aug 17 19:41:53.141 INFO kablam!     |                     |
Aug 17 19:41:53.141 INFO kablam!     |                     help: remove this `mut`
Aug 17 19:41:53.141 INFO kablam! 
Aug 17 19:41:53.141 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:41:53.142 INFO kablam!    --> src/nodes/btree.rs:515:25
Aug 17 19:41:53.142 INFO kablam!     |
Aug 17 19:41:53.142 INFO kablam! 515 |                     let mut left = Ref::make_mut(children.next().unwrap());
Aug 17 19:41:53.142 INFO kablam!     |                         ----^^^^
Aug 17 19:41:53.142 INFO kablam!     |                         |
Aug 17 19:41:53.142 INFO kablam!     |                         help: remove this `mut`
Aug 17 19:41:53.142 INFO kablam! 
Aug 17 19:41:53.142 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:41:53.142 INFO kablam!    --> src/nodes/btree.rs:516:25
Aug 17 19:41:53.142 INFO kablam!     |
Aug 17 19:41:53.142 INFO kablam! 516 |                     let mut child = Ref::make_mut(children.next().unwrap());
Aug 17 19:41:53.142 INFO kablam!     |                         ----^^^^^
Aug 17 19:41:53.142 INFO kablam!     |                         |
Aug 17 19:41:53.142 INFO kablam!     |                         help: remove this `mut`
Aug 17 19:41:53.142 INFO kablam! 
Aug 17 19:41:53.142 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:41:53.142 INFO kablam!    --> src/nodes/btree.rs:552:21
Aug 17 19:41:53.142 INFO kablam!     |
Aug 17 19:41:53.142 INFO kablam! 552 |                 let mut out_value;
Aug 17 19:41:53.142 INFO kablam!     |                     ----^^^^^^^^^
Aug 17 19:41:53.143 INFO kablam!     |                     |
Aug 17 19:41:53.143 INFO kablam!     |                     help: remove this `mut`
Aug 17 19:41:53.143 INFO kablam! 
Aug 17 19:41:53.143 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:41:53.143 INFO kablam!    --> src/nodes/btree.rs:563:25
Aug 17 19:41:53.143 INFO kablam!     |
Aug 17 19:41:53.143 INFO kablam! 563 |                     let mut child = Ref::make_mut(children.next().unwrap());
Aug 17 19:41:53.143 INFO kablam!     |                         ----^^^^^
Aug 17 19:41:53.143 INFO kablam!     |                         |
Aug 17 19:41:53.143 INFO kablam!     |                         help: remove this `mut`
Aug 17 19:41:53.143 INFO kablam! 
Aug 17 19:41:53.143 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:41:53.143 INFO kablam!    --> src/nodes/btree.rs:564:25
Aug 17 19:41:53.143 INFO kablam!     |
Aug 17 19:41:53.143 INFO kablam! 564 |                     let mut right = Ref::make_mut(children.next().unwrap());
Aug 17 19:41:53.143 INFO kablam!     |                         ----^^^^^
Aug 17 19:41:53.143 INFO kablam!     |                         |
Aug 17 19:41:53.143 INFO kablam!     |                         help: remove this `mut`
Aug 17 19:41:53.143 INFO kablam! 
Aug 17 19:41:53.143 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:41:53.144 INFO kablam!    --> src/nodes/btree.rs:606:21
Aug 17 19:41:53.144 INFO kablam!     |
Aug 17 19:41:53.144 INFO kablam! 606 |                 let mut update;
Aug 17 19:41:53.144 INFO kablam!     |                     ----^^^^^^
Aug 17 19:41:53.144 INFO kablam!     |                     |
Aug 17 19:41:53.144 INFO kablam!     |                     help: remove this `mut`
Aug 17 19:41:53.144 INFO kablam! 
Aug 17 19:41:53.144 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:41:53.144 INFO kablam!    --> src/nodes/btree.rs:607:21
Aug 17 19:41:53.144 INFO kablam!     |
Aug 17 19:41:53.144 INFO kablam! 607 |                 let mut out_value;
Aug 17 19:41:53.144 INFO kablam!     |                     ----^^^^^^^^^
Aug 17 19:41:53.144 INFO kablam!     |                     |
Aug 17 19:41:53.144 INFO kablam!     |                     help: remove this `mut`
Aug 17 19:41:53.144 INFO kablam! 
Aug 17 19:41:53.144 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:41:53.144 INFO kablam!    --> src/nodes/btree.rs:634:21
Aug 17 19:41:53.144 INFO kablam!     |
Aug 17 19:41:53.144 INFO kablam! 634 |                 let mut out_value;
Aug 17 19:41:53.144 INFO kablam!     |                     ----^^^^^^^^^
Aug 17 19:41:53.145 INFO kablam!     |                     |
Aug 17 19:41:53.145 INFO kablam!     |                     help: remove this `mut`
Aug 17 19:41:53.145 INFO kablam! 
Aug 17 19:41:53.398 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:41:53.398 INFO kablam!    --> src/nodes/hamt.rs:272:25
Aug 17 19:41:53.398 INFO kablam!     |
Aug 17 19:41:53.398 INFO kablam! 272 |                     let mut coll = Ref::make_mut(coll_ref);
Aug 17 19:41:53.398 INFO kablam!     |                         ----^^^^
Aug 17 19:41:53.398 INFO kablam!     |                         |
Aug 17 19:41:53.398 INFO kablam!     |                         help: remove this `mut`
Aug 17 19:41:53.402 INFO kablam! 
Aug 17 19:41:53.646 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:41:53.646 INFO kablam!    --> src/nodes/rrb.rs:287:17
Aug 17 19:41:53.646 INFO kablam!     |
Aug 17 19:41:53.646 INFO kablam! 287 |             let mut size_table = Chunk::unit(node.len());
Aug 17 19:41:53.646 INFO kablam!     |                 ----^^^^^^^^^^
Aug 17 19:41:53.646 INFO kablam!     |                 |
Aug 17 19:41:53.646 INFO kablam!     |                 help: remove this `mut`
Aug 17 19:41:53.646 INFO kablam! 
Aug 17 19:41:54.749 INFO kablam!     Checking tempfile v3.0.3
Aug 17 19:41:56.926 INFO kablam!     Checking rusty-fork v0.2.0
Aug 17 19:41:58.540 INFO kablam!     Checking proptest v0.8.4
Aug 17 19:42:33.652 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:42:33.652 INFO kablam!    --> src/nodes/btree.rs:323:21
Aug 17 19:42:33.652 INFO kablam!     |
Aug 17 19:42:33.652 INFO kablam! 323 |                 let mut has_room = self.has_room();
Aug 17 19:42:33.652 INFO kablam!     |                     ----^^^^^^^^
Aug 17 19:42:33.652 INFO kablam!     |                     |
Aug 17 19:42:33.652 INFO kablam!     |                     help: remove this `mut`
Aug 17 19:42:33.652 INFO kablam!     |
Aug 17 19:42:33.652 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 17 19:42:33.652 INFO kablam! 
Aug 17 19:42:33.760 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:42:33.760 INFO kablam!    --> src/nodes/btree.rs:454:21
Aug 17 19:42:33.760 INFO kablam!     |
Aug 17 19:42:33.760 INFO kablam! 454 |                 let mut children = &mut self.children;
Aug 17 19:42:33.760 INFO kablam!     |                     ----^^^^^^^^
Aug 17 19:42:33.760 INFO kablam!     |                     |
Aug 17 19:42:33.760 INFO kablam!     |                     help: remove this `mut`
Aug 17 19:42:33.760 INFO kablam! 
Aug 17 19:42:33.760 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:42:33.760 INFO kablam!    --> src/nodes/btree.rs:456:21
Aug 17 19:42:33.760 INFO kablam!     |
Aug 17 19:42:33.760 INFO kablam! 456 |                 let mut value;
Aug 17 19:42:33.760 INFO kablam!     |                     ----^^^^^
Aug 17 19:42:33.760 INFO kablam!     |                     |
Aug 17 19:42:33.760 INFO kablam!     |                     help: remove this `mut`
Aug 17 19:42:33.761 INFO kablam! 
Aug 17 19:42:33.761 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:42:33.761 INFO kablam!    --> src/nodes/btree.rs:502:21
Aug 17 19:42:33.761 INFO kablam!     |
Aug 17 19:42:33.761 INFO kablam! 502 |                 let mut out_value;
Aug 17 19:42:33.761 INFO kablam!     |                     ----^^^^^^^^^
Aug 17 19:42:33.761 INFO kablam!     |                     |
Aug 17 19:42:33.761 INFO kablam!     |                     help: remove this `mut`
Aug 17 19:42:33.761 INFO kablam! 
Aug 17 19:42:33.761 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:42:33.761 INFO kablam!    --> src/nodes/btree.rs:515:25
Aug 17 19:42:33.761 INFO kablam!     |
Aug 17 19:42:33.761 INFO kablam! 515 |                     let mut left = Ref::make_mut(children.next().unwrap());
Aug 17 19:42:33.761 INFO kablam!     |                         ----^^^^
Aug 17 19:42:33.761 INFO kablam!     |                         |
Aug 17 19:42:33.761 INFO kablam!     |                         help: remove this `mut`
Aug 17 19:42:33.761 INFO kablam! 
Aug 17 19:42:33.761 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:42:33.761 INFO kablam!    --> src/nodes/btree.rs:516:25
Aug 17 19:42:33.761 INFO kablam!     |
Aug 17 19:42:33.761 INFO kablam! 516 |                     let mut child = Ref::make_mut(children.next().unwrap());
Aug 17 19:42:33.761 INFO kablam!     |                         ----^^^^^
Aug 17 19:42:33.761 INFO kablam!     |                         |
Aug 17 19:42:33.761 INFO kablam!     |                         help: remove this `mut`
Aug 17 19:42:33.761 INFO kablam! 
Aug 17 19:42:33.761 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:42:33.761 INFO kablam!    --> src/nodes/btree.rs:552:21
Aug 17 19:42:33.762 INFO kablam!     |
Aug 17 19:42:33.762 INFO kablam! 552 |                 let mut out_value;
Aug 17 19:42:33.762 INFO kablam!     |                     ----^^^^^^^^^
Aug 17 19:42:33.762 INFO kablam!     |                     |
Aug 17 19:42:33.762 INFO kablam!     |                     help: remove this `mut`
Aug 17 19:42:33.762 INFO kablam! 
Aug 17 19:42:33.762 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:42:33.762 INFO kablam!    --> src/nodes/btree.rs:563:25
Aug 17 19:42:33.762 INFO kablam!     |
Aug 17 19:42:33.762 INFO kablam! 563 |                     let mut child = Ref::make_mut(children.next().unwrap());
Aug 17 19:42:33.762 INFO kablam!     |                         ----^^^^^
Aug 17 19:42:33.762 INFO kablam!     |                         |
Aug 17 19:42:33.762 INFO kablam!     |                         help: remove this `mut`
Aug 17 19:42:33.762 INFO kablam! 
Aug 17 19:42:33.762 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:42:33.762 INFO kablam!    --> src/nodes/btree.rs:564:25
Aug 17 19:42:33.762 INFO kablam!     |
Aug 17 19:42:33.762 INFO kablam! 564 |                     let mut right = Ref::make_mut(children.next().unwrap());
Aug 17 19:42:33.762 INFO kablam!     |                         ----^^^^^
Aug 17 19:42:33.762 INFO kablam!     |                         |
Aug 17 19:42:33.762 INFO kablam!     |                         help: remove this `mut`
Aug 17 19:42:33.762 INFO kablam! 
Aug 17 19:42:33.765 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:42:33.765 INFO kablam!    --> src/nodes/btree.rs:606:21
Aug 17 19:42:33.765 INFO kablam!     |
Aug 17 19:42:33.765 INFO kablam! 606 |                 let mut update;
Aug 17 19:42:33.765 INFO kablam!     |                     ----^^^^^^
Aug 17 19:42:33.765 INFO kablam!     |                     |
Aug 17 19:42:33.765 INFO kablam!     |                     help: remove this `mut`
Aug 17 19:42:33.765 INFO kablam! 
Aug 17 19:42:33.765 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:42:33.765 INFO kablam!    --> src/nodes/btree.rs:607:21
Aug 17 19:42:33.765 INFO kablam!     |
Aug 17 19:42:33.765 INFO kablam! 607 |                 let mut out_value;
Aug 17 19:42:33.765 INFO kablam!     |                     ----^^^^^^^^^
Aug 17 19:42:33.766 INFO kablam!     |                     |
Aug 17 19:42:33.766 INFO kablam!     |                     help: remove this `mut`
Aug 17 19:42:33.766 INFO kablam! 
Aug 17 19:42:33.766 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:42:33.766 INFO kablam!    --> src/nodes/btree.rs:634:21
Aug 17 19:42:33.766 INFO kablam!     |
Aug 17 19:42:33.766 INFO kablam! 634 |                 let mut out_value;
Aug 17 19:42:33.766 INFO kablam!     |                     ----^^^^^^^^^
Aug 17 19:42:33.766 INFO kablam!     |                     |
Aug 17 19:42:33.766 INFO kablam!     |                     help: remove this `mut`
Aug 17 19:42:33.766 INFO kablam! 
Aug 17 19:42:33.987 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:42:33.987 INFO kablam!    --> src/nodes/hamt.rs:272:25
Aug 17 19:42:33.987 INFO kablam!     |
Aug 17 19:42:33.987 INFO kablam! 272 |                     let mut coll = Ref::make_mut(coll_ref);
Aug 17 19:42:33.988 INFO kablam!     |                         ----^^^^
Aug 17 19:42:33.988 INFO kablam!     |                         |
Aug 17 19:42:33.988 INFO kablam!     |                         help: remove this `mut`
Aug 17 19:42:33.988 INFO kablam! 
Aug 17 19:42:34.191 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:42:34.191 INFO kablam!    --> src/nodes/rrb.rs:287:17
Aug 17 19:42:34.191 INFO kablam!     |
Aug 17 19:42:34.191 INFO kablam! 287 |             let mut size_table = Chunk::unit(node.len());
Aug 17 19:42:34.191 INFO kablam!     |                 ----^^^^^^^^^^
Aug 17 19:42:34.191 INFO kablam!     |                 |
Aug 17 19:42:34.191 INFO kablam!     |                 help: remove this `mut`
Aug 17 19:42:34.191 INFO kablam! 
Aug 17 19:42:38.567 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 57.16s
Aug 17 19:42:38.581 INFO kablam! su: No module specific data is present
Aug 17 19:42:39.095 INFO running `"docker" "rm" "-f" "5431cf408033df45f7725ab560377da381fda720c716d149f3a07a7f7eb459ce"`
Aug 17 19:42:39.254 INFO blam! 5431cf408033df45f7725ab560377da381fda720c716d149f3a07a7f7eb459ce