Jul 12 14:02:53.593 INFO checking an-rope-0.3.1 against try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255 for pr-52234
Jul 12 14:02:53.593 INFO running: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 14:02:53.593 INFO creating container for: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 14:02:53.593 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-52234/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-3/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/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 +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 14:02:53.798 INFO blam! d7f6d6f9754e08293e06daf192110c975ce072856de74eeabfd6af7311f0ffdd
Jul 12 14:02:53.804 INFO running `"docker" "start" "-a" "d7f6d6f9754e08293e06daf192110c975ce072856de74eeabfd6af7311f0ffdd"`
Jul 12 14:02:54.988 INFO kablam!     Checking an-rope v0.3.1 (file:///source)
Jul 12 14:02:56.806 INFO kablam! warning: unused import: `metric::Line`
Jul 12 14:02:56.806 INFO kablam!  --> src/test/mod.rs:4:5
Jul 12 14:02:56.806 INFO kablam!   |
Jul 12 14:02:56.806 INFO kablam! 4 | use metric::Line;
Jul 12 14:02:56.806 INFO kablam!   |     ^^^^^^^^^^^^
Jul 12 14:02:56.806 INFO kablam!   |
Jul 12 14:02:56.806 INFO kablam!   = note: #[warn(unused_imports)] on by default
Jul 12 14:02:56.806 INFO kablam! 
Jul 12 14:02:56.807 INFO kablam! warning: unused import: `metric::Measured`
Jul 12 14:02:56.807 INFO kablam!  --> src/test/mod.rs:5:5
Jul 12 14:02:56.807 INFO kablam!   |
Jul 12 14:02:56.807 INFO kablam! 5 | use metric::Measured;
Jul 12 14:02:56.807 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Jul 12 14:02:56.807 INFO kablam! 
Jul 12 14:02:56.807 INFO kablam! warning: unnecessary parentheses around method argument
Jul 12 14:02:56.807 INFO kablam!   --> src/test/mod.rs:61:18
Jul 12 14:02:56.807 INFO kablam!    |
Jul 12 14:02:56.807 INFO kablam! 61 |     r = r.delete((8..12));
Jul 12 14:02:56.807 INFO kablam!    |                  ^^^^^^^ help: remove these parentheses
Jul 12 14:02:56.807 INFO kablam!    |
Jul 12 14:02:56.807 INFO kablam!    = note: #[warn(unused_parens)] on by default
Jul 12 14:02:56.807 INFO kablam! 
Jul 12 14:02:56.807 INFO kablam! warning: unnecessary parentheses around method argument
Jul 12 14:02:56.807 INFO kablam!   --> src/test/mod.rs:68:18
Jul 12 14:02:56.807 INFO kablam!    |
Jul 12 14:02:56.807 INFO kablam! 68 |     r = r.delete((0..0));
Jul 12 14:02:56.808 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Jul 12 14:02:56.808 INFO kablam! 
Jul 12 14:02:56.808 INFO kablam! warning: unnecessary parentheses around method argument
Jul 12 14:02:56.808 INFO kablam!    --> src/test/mod.rs:117:14
Jul 12 14:02:56.808 INFO kablam!     |
Jul 12 14:02:56.808 INFO kablam! 117 |     r.delete((12..8)); // lol, fuck you
Jul 12 14:02:56.808 INFO kablam!     |              ^^^^^^^ help: remove these parentheses
Jul 12 14:02:56.808 INFO kablam! 
Jul 12 14:02:56.858 INFO kablam! warning: unused import: `super::*`
Jul 12 14:02:56.858 INFO kablam!    --> src/slice.rs:710:9
Jul 12 14:02:56.858 INFO kablam!     |
Jul 12 14:02:56.858 INFO kablam! 710 |     use super::*;
Jul 12 14:02:56.858 INFO kablam!     |         ^^^^^^^^
Jul 12 14:02:56.859 INFO kablam! 
Jul 12 14:02:56.983 INFO kablam! warning: variable does not need to be mutable
Jul 12 14:02:56.983 INFO kablam!    --> src/lib.rs:762:46
Jul 12 14:02:56.983 INFO kablam!     |
Jul 12 14:02:56.983 INFO kablam! 762 |                               .scan(0, move |mut l, i|  {
Jul 12 14:02:56.983 INFO kablam!     |                                              ----^
Jul 12 14:02:56.983 INFO kablam!     |                                              |
Jul 12 14:02:56.983 INFO kablam!     |                                              help: remove this `mut`
Jul 12 14:02:56.994 INFO kablam!     |
Jul 12 14:02:56.995 INFO kablam!     = note: #[warn(unused_mut)] on by default
Jul 12 14:02:56.995 INFO kablam! 
Jul 12 14:02:57.401 INFO kablam! warning: method is never used: `nodes`
Jul 12 14:02:57.401 INFO kablam!    --> src/internals/mod.rs:446:5
Jul 12 14:02:57.401 INFO kablam!     |
Jul 12 14:02:57.401 INFO kablam! 446 |     fn nodes(&self) -> Nodes {
Jul 12 14:02:57.401 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 14:02:57.401 INFO kablam!     |
Jul 12 14:02:57.401 INFO kablam!     = note: #[warn(dead_code)] on by default
Jul 12 14:02:57.401 INFO kablam! 
Jul 12 14:02:57.401 INFO kablam! warning: struct is never used: `Nodes`
Jul 12 14:02:57.401 INFO kablam!    --> src/internals/mod.rs:645:1
Jul 12 14:02:57.401 INFO kablam!     |
Jul 12 14:02:57.401 INFO kablam! 645 | struct Nodes<'a>(Vec<&'a Node>);
Jul 12 14:02:57.401 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 14:02:57.401 INFO kablam! 
Jul 12 14:02:59.851 INFO kablam! warning: unused variable: `left`
Jul 12 14:02:59.851 INFO kablam!   --> src/internals/test.rs:49:10
Jul 12 14:02:59.851 INFO kablam!    |
Jul 12 14:02:59.851 INFO kablam! 49 |     let (left, right) = b.split(Line(1));
Jul 12 14:02:59.851 INFO kablam!    |          ^^^^ help: consider using `_left` instead
Jul 12 14:02:59.851 INFO kablam!    |
Jul 12 14:02:59.851 INFO kablam!    = note: #[warn(unused_variables)] on by default
Jul 12 14:02:59.851 INFO kablam! 
Jul 12 14:02:59.851 INFO kablam! warning: unused variable: `right`
Jul 12 14:02:59.851 INFO kablam!   --> src/internals/test.rs:49:16
Jul 12 14:02:59.851 INFO kablam!    |
Jul 12 14:02:59.851 INFO kablam! 49 |     let (left, right) = b.split(Line(1));
Jul 12 14:02:59.851 INFO kablam!    |                ^^^^^ help: consider using `_right` instead
Jul 12 14:02:59.851 INFO kablam! 
Jul 12 14:02:59.924 INFO kablam! warning: variable does not need to be mutable
Jul 12 14:02:59.924 INFO kablam!    --> src/lib.rs:762:46
Jul 12 14:02:59.924 INFO kablam!     |
Jul 12 14:02:59.924 INFO kablam! 762 |                               .scan(0, move |mut l, i|  {
Jul 12 14:02:59.924 INFO kablam!     |                                              ----^
Jul 12 14:02:59.924 INFO kablam!     |                                              |
Jul 12 14:02:59.924 INFO kablam!     |                                              help: remove this `mut`
Jul 12 14:02:59.924 INFO kablam!     |
Jul 12 14:02:59.924 INFO kablam!     = note: #[warn(unused_mut)] on by default
Jul 12 14:02:59.924 INFO kablam! 
Jul 12 14:02:59.982 INFO kablam! warning: variable does not need to be mutable
Jul 12 14:02:59.982 INFO kablam!   --> src/test/mod.rs:28:9
Jul 12 14:02:59.982 INFO kablam!    |
Jul 12 14:02:59.982 INFO kablam! 28 |     let mut rope = Rope::from("this is\n\
Jul 12 14:02:59.982 INFO kablam!    |         ----^^^^
Jul 12 14:02:59.982 INFO kablam!    |         |
Jul 12 14:02:59.982 INFO kablam!    |         help: remove this `mut`
Jul 12 14:02:59.983 INFO kablam! 
Jul 12 14:02:59.985 INFO kablam! warning: variable does not need to be mutable
Jul 12 14:02:59.985 INFO kablam!   --> src/test/mod.rs:44:9
Jul 12 14:02:59.985 INFO kablam!    |
Jul 12 14:02:59.985 INFO kablam! 44 |     let mut rope = Rope::from("this is\n\
Jul 12 14:02:59.985 INFO kablam!    |         ----^^^^
Jul 12 14:02:59.985 INFO kablam!    |         |
Jul 12 14:02:59.985 INFO kablam!    |         help: remove this `mut`
Jul 12 14:02:59.985 INFO kablam! 
Jul 12 14:02:59.992 INFO kablam! warning: variable does not need to be mutable
Jul 12 14:02:59.992 INFO kablam!    --> src/test/mod.rs:116:9
Jul 12 14:02:59.992 INFO kablam!     |
Jul 12 14:02:59.992 INFO kablam! 116 |     let mut r = Rope::from("this is not fine");
Jul 12 14:02:59.992 INFO kablam!     |         ----^
Jul 12 14:02:59.992 INFO kablam!     |         |
Jul 12 14:02:59.992 INFO kablam!     |         help: remove this `mut`
Jul 12 14:02:59.992 INFO kablam! 
Jul 12 14:03:00.100 INFO kablam! warning: variable does not need to be mutable
Jul 12 14:03:00.100 INFO kablam!    --> src/test/mod.rs:476:17
Jul 12 14:03:00.100 INFO kablam!     |
Jul 12 14:03:00.100 INFO kablam! 476 |             let mut rope = Rope::from(a.clone());
Jul 12 14:03:00.100 INFO kablam!     |                 ----^^^^
Jul 12 14:03:00.100 INFO kablam!     |                 |
Jul 12 14:03:00.100 INFO kablam!     |                 help: remove this `mut`
Jul 12 14:03:00.100 INFO kablam! 
Jul 12 14:03:00.661 INFO kablam! warning: function is never used: `line_delete_test_1`
Jul 12 14:03:00.661 INFO kablam!   --> src/test/mod.rs:26:1
Jul 12 14:03:00.661 INFO kablam!    |
Jul 12 14:03:00.661 INFO kablam! 26 | fn line_delete_test_1() {
Jul 12 14:03:00.661 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 14:03:00.661 INFO kablam!    |
Jul 12 14:03:00.661 INFO kablam!    = note: #[warn(dead_code)] on by default
Jul 12 14:03:00.661 INFO kablam! 
Jul 12 14:03:00.661 INFO kablam! warning: function is never used: `line_delete_test_2`
Jul 12 14:03:00.661 INFO kablam!   --> src/test/mod.rs:42:1
Jul 12 14:03:00.661 INFO kablam!    |
Jul 12 14:03:00.661 INFO kablam! 42 | fn line_delete_test_2() {
Jul 12 14:03:00.661 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 14:03:00.661 INFO kablam! 
Jul 12 14:03:00.661 INFO kablam! warning: function is never used: `debug_test_1`
Jul 12 14:03:00.661 INFO kablam!    --> src/test/mod.rs:125:5
Jul 12 14:03:00.661 INFO kablam!     |
Jul 12 14:03:00.661 INFO kablam! 125 |     fn debug_test_1() {
Jul 12 14:03:00.661 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Jul 12 14:03:00.661 INFO kablam! 
Jul 12 14:03:00.661 INFO kablam! warning: function is never used: `debug_test_2`
Jul 12 14:03:00.662 INFO kablam!    --> src/test/mod.rs:131:5
Jul 12 14:03:00.662 INFO kablam!     |
Jul 12 14:03:00.662 INFO kablam! 131 |     fn debug_test_2() {
Jul 12 14:03:00.662 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Jul 12 14:03:00.662 INFO kablam! 
Jul 12 14:03:00.662 INFO kablam! warning: function is never used: `debug_test_3`
Jul 12 14:03:00.662 INFO kablam!    --> src/test/mod.rs:137:5
Jul 12 14:03:00.662 INFO kablam!     |
Jul 12 14:03:00.662 INFO kablam! 137 |     fn debug_test_3() {
Jul 12 14:03:00.662 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Jul 12 14:03:00.662 INFO kablam! 
Jul 12 14:03:00.662 INFO kablam! warning: function is never used: `rope_indexing_is_string_indexing`
Jul 12 14:03:00.662 INFO kablam!    --> src/test/mod.rs:446:5
Jul 12 14:03:00.662 INFO kablam!     |
Jul 12 14:03:00.662 INFO kablam! 446 |     fn rope_indexing_is_string_indexing() {
Jul 12 14:03:00.662 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 14:03:00.662 INFO kablam! 
Jul 12 14:03:00.662 INFO kablam! warning: function is never used: `rope_insert_char_is_string_insert_char`
Jul 12 14:03:00.662 INFO kablam!    --> src/test/mod.rs:462:5
Jul 12 14:03:00.662 INFO kablam!     |
Jul 12 14:03:00.662 INFO kablam! 462 |     fn rope_insert_char_is_string_insert_char() {
Jul 12 14:03:00.662 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 14:03:00.663 INFO kablam! 
Jul 12 14:03:00.663 INFO kablam! warning: constant item is never used: `TEST_WORD`
Jul 12 14:03:00.663 INFO kablam!     --> src/unicode/test/testdata.rs:520:5
Jul 12 14:03:00.663 INFO kablam!      |
Jul 12 14:03:00.663 INFO kablam! 520  | /     pub const TEST_WORD: &'static [(&'static str, &'static [&'static str])] = &[
Jul 12 14:03:00.663 INFO kablam! 521  | |         ("\u{1}\u{1}", &["\u{1}", "\u{1}"]), ("\u{1}\u{308}\u{1}", &["\u{1}\u{308}", "\u{1}"]),
Jul 12 14:03:00.663 INFO kablam! 522  | |         ("\u{1}\u{d}", &["\u{1}", "\u{d}"]), ("\u{1}\u{308}\u{d}", &["\u{1}\u{308}", "\u{d}"]),
Jul 12 14:03:00.663 INFO kablam! 523  | |         ("\u{1}\u{a}", &["\u{1}", "\u{a}"]), ("\u{1}\u{308}\u{a}", &["\u{1}\u{308}", "\u{a}"]),
Jul 12 14:03:00.663 INFO kablam! ...    |
Jul 12 14:03:00.663 INFO kablam! 2056 | |         "\u{2c}", "\u{2c}", "\u{61}"])
Jul 12 14:03:00.663 INFO kablam! 2057 | |     ];
Jul 12 14:03:00.663 INFO kablam!      | |______^
Jul 12 14:03:00.663 INFO kablam! 
Jul 12 14:03:00.663 INFO kablam! warning: method is never used: `nodes`
Jul 12 14:03:00.663 INFO kablam!    --> src/internals/mod.rs:446:5
Jul 12 14:03:00.663 INFO kablam!     |
Jul 12 14:03:00.663 INFO kablam! 446 |     fn nodes(&self) -> Nodes {
Jul 12 14:03:00.663 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 14:03:00.663 INFO kablam! 
Jul 12 14:03:00.663 INFO kablam! warning: struct is never used: `Nodes`
Jul 12 14:03:00.663 INFO kablam!    --> src/internals/mod.rs:645:1
Jul 12 14:03:00.663 INFO kablam!     |
Jul 12 14:03:00.664 INFO kablam! 645 | struct Nodes<'a>(Vec<&'a Node>);
Jul 12 14:03:00.664 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 14:03:00.664 INFO kablam! 
Jul 12 14:03:00.664 INFO kablam! warning: unused attribute
Jul 12 14:03:00.664 INFO kablam!   --> src/test/mod.rs:25:1
Jul 12 14:03:00.664 INFO kablam!    |
Jul 12 14:03:00.664 INFO kablam! 25 | #[ignore]
Jul 12 14:03:00.664 INFO kablam!    | ^^^^^^^^^
Jul 12 14:03:00.664 INFO kablam!    |
Jul 12 14:03:00.664 INFO kablam!    = note: #[warn(unused_attributes)] on by default
Jul 12 14:03:00.664 INFO kablam! 
Jul 12 14:03:00.664 INFO kablam! warning: unused attribute
Jul 12 14:03:00.664 INFO kablam!   --> src/test/mod.rs:41:1
Jul 12 14:03:00.664 INFO kablam!    |
Jul 12 14:03:00.664 INFO kablam! 41 | #[ignore]
Jul 12 14:03:00.664 INFO kablam!    | ^^^^^^^^^
Jul 12 14:03:00.664 INFO kablam! 
Jul 12 14:03:00.664 INFO kablam! warning: unused attribute
Jul 12 14:03:00.664 INFO kablam!    --> src/test/mod.rs:114:1
Jul 12 14:03:00.664 INFO kablam!     |
Jul 12 14:03:00.664 INFO kablam! 114 | #[should_panic]
Jul 12 14:03:00.664 INFO kablam!     | ^^^^^^^^^^^^^^^
Jul 12 14:03:00.664 INFO kablam! 
Jul 12 14:03:00.665 INFO kablam! warning: unused attribute
Jul 12 14:03:00.665 INFO kablam!    --> src/test/mod.rs:124:5
Jul 12 14:03:00.665 INFO kablam!     |
Jul 12 14:03:00.665 INFO kablam! 124 |     #[ignore]
Jul 12 14:03:00.665 INFO kablam!     |     ^^^^^^^^^
Jul 12 14:03:00.665 INFO kablam! 
Jul 12 14:03:00.665 INFO kablam! warning: unused attribute
Jul 12 14:03:00.665 INFO kablam!    --> src/test/mod.rs:130:5
Jul 12 14:03:00.665 INFO kablam!     |
Jul 12 14:03:00.665 INFO kablam! 130 |     #[ignore]
Jul 12 14:03:00.665 INFO kablam!     |     ^^^^^^^^^
Jul 12 14:03:00.665 INFO kablam! 
Jul 12 14:03:00.665 INFO kablam! warning: unused attribute
Jul 12 14:03:00.665 INFO kablam!    --> src/test/mod.rs:136:5
Jul 12 14:03:00.665 INFO kablam!     |
Jul 12 14:03:00.665 INFO kablam! 136 |     #[ignore]
Jul 12 14:03:00.665 INFO kablam!     |     ^^^^^^^^^
Jul 12 14:03:00.665 INFO kablam! 
Jul 12 14:03:00.668 INFO kablam! warning: unused attribute
Jul 12 14:03:00.668 INFO kablam!    --> src/test/mod.rs:445:5
Jul 12 14:03:00.668 INFO kablam!     |
Jul 12 14:03:00.668 INFO kablam! 445 |     #[ignore]
Jul 12 14:03:00.668 INFO kablam!     |     ^^^^^^^^^
Jul 12 14:03:00.668 INFO kablam! 
Jul 12 14:03:00.668 INFO kablam! warning: unused attribute
Jul 12 14:03:00.669 INFO kablam!    --> src/test/mod.rs:461:5
Jul 12 14:03:00.669 INFO kablam!     |
Jul 12 14:03:00.669 INFO kablam! 461 |     #[ignore]
Jul 12 14:03:00.669 INFO kablam!     |     ^^^^^^^^^
Jul 12 14:03:00.669 INFO kablam! 
Jul 12 14:03:00.669 INFO kablam! warning: module `FromIterator` should have a snake case name such as `from_iterator`
Jul 12 14:03:00.669 INFO kablam!    --> src/test/mod.rs:614:5
Jul 12 14:03:00.669 INFO kablam!     |
Jul 12 14:03:00.669 INFO kablam! 614 | /     mod FromIterator {
Jul 12 14:03:00.669 INFO kablam! 615 | |         use ::Rope;
Jul 12 14:03:00.669 INFO kablam! 616 | |         quickcheck! {
Jul 12 14:03:00.669 INFO kablam! 617 | |             fn prop_strings_concat(v: Vec<String>) -> bool {
Jul 12 14:03:00.669 INFO kablam! ...   |
Jul 12 14:03:00.669 INFO kablam! 709 | |
Jul 12 14:03:00.669 INFO kablam! 710 | |     }
Jul 12 14:03:00.669 INFO kablam!     | |_____^
Jul 12 14:03:00.669 INFO kablam!     |
Jul 12 14:03:00.669 INFO kablam!     = note: #[warn(non_snake_case)] on by default
Jul 12 14:03:00.669 INFO kablam! 
Jul 12 14:03:00.947 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.04s
Jul 12 14:03:00.954 INFO kablam! su: No module specific data is present
Jul 12 14:03:01.545 INFO running `"docker" "rm" "-f" "d7f6d6f9754e08293e06daf192110c975ce072856de74eeabfd6af7311f0ffdd"`
Jul 12 14:03:01.710 INFO blam! d7f6d6f9754e08293e06daf192110c975ce072856de74eeabfd6af7311f0ffdd