Aug 31 00:40:07.316 INFO checking an-rope-0.3.1 against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 31 00:40:07.316 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 31 00:40:07.317 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-3/try#2d477f9981361618ac78253c28051a66b6cea125:/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 +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 00:40:07.538 INFO blam! 815d057d9058d01f94b50ef6e60bcfa232bdaa63dd174139b5be7ca960dc86b2
Aug 31 00:40:07.540 INFO running `"docker" "start" "-a" "815d057d9058d01f94b50ef6e60bcfa232bdaa63dd174139b5be7ca960dc86b2"`
Aug 31 00:40:08.241 INFO kablam!     Checking an-rope v0.3.1 (file:///source)
Aug 31 00:40:09.588 INFO kablam! warning: variable does not need to be mutable
Aug 31 00:40:09.588 INFO kablam!    --> src/lib.rs:762:46
Aug 31 00:40:09.588 INFO kablam!     |
Aug 31 00:40:09.588 INFO kablam! 762 |                               .scan(0, move |mut l, i|  {
Aug 31 00:40:09.588 INFO kablam!     |                                              ----^
Aug 31 00:40:09.588 INFO kablam!     |                                              |
Aug 31 00:40:09.588 INFO kablam!     |                                              help: remove this `mut`
Aug 31 00:40:09.588 INFO kablam!     |
Aug 31 00:40:09.588 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 31 00:40:09.588 INFO kablam! 
Aug 31 00:40:09.729 INFO kablam! warning: method is never used: `nodes`
Aug 31 00:40:09.729 INFO kablam!    --> src/internals/mod.rs:446:5
Aug 31 00:40:09.729 INFO kablam!     |
Aug 31 00:40:09.729 INFO kablam! 446 |     fn nodes(&self) -> Nodes {
Aug 31 00:40:09.730 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 00:40:09.730 INFO kablam!     |
Aug 31 00:40:09.730 INFO kablam!     = note: #[warn(dead_code)] on by default
Aug 31 00:40:09.730 INFO kablam! 
Aug 31 00:40:09.730 INFO kablam! warning: struct is never constructed: `Nodes`
Aug 31 00:40:09.730 INFO kablam!    --> src/internals/mod.rs:645:1
Aug 31 00:40:09.730 INFO kablam!     |
Aug 31 00:40:09.730 INFO kablam! 645 | struct Nodes<'a>(Vec<&'a Node>);
Aug 31 00:40:09.730 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 00:40:09.730 INFO kablam! 
Aug 31 00:40:10.059 INFO kablam! warning: unused import: `metric::Line`
Aug 31 00:40:10.059 INFO kablam!  --> src/test/mod.rs:4:5
Aug 31 00:40:10.059 INFO kablam!   |
Aug 31 00:40:10.059 INFO kablam! 4 | use metric::Line;
Aug 31 00:40:10.059 INFO kablam!   |     ^^^^^^^^^^^^
Aug 31 00:40:10.059 INFO kablam!   |
Aug 31 00:40:10.059 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 31 00:40:10.059 INFO kablam! 
Aug 31 00:40:10.059 INFO kablam! warning: unused import: `metric::Measured`
Aug 31 00:40:10.059 INFO kablam!  --> src/test/mod.rs:5:5
Aug 31 00:40:10.059 INFO kablam!   |
Aug 31 00:40:10.060 INFO kablam! 5 | use metric::Measured;
Aug 31 00:40:10.060 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Aug 31 00:40:10.060 INFO kablam! 
Aug 31 00:40:10.060 INFO kablam! warning: unnecessary parentheses around method argument
Aug 31 00:40:10.060 INFO kablam!   --> src/test/mod.rs:61:18
Aug 31 00:40:10.060 INFO kablam!    |
Aug 31 00:40:10.060 INFO kablam! 61 |     r = r.delete((8..12));
Aug 31 00:40:10.060 INFO kablam!    |                  ^^^^^^^ help: remove these parentheses
Aug 31 00:40:10.060 INFO kablam!    |
Aug 31 00:40:10.060 INFO kablam!    = note: #[warn(unused_parens)] on by default
Aug 31 00:40:10.060 INFO kablam! 
Aug 31 00:40:10.060 INFO kablam! warning: unnecessary parentheses around method argument
Aug 31 00:40:10.060 INFO kablam!   --> src/test/mod.rs:68:18
Aug 31 00:40:10.060 INFO kablam!    |
Aug 31 00:40:10.060 INFO kablam! 68 |     r = r.delete((0..0));
Aug 31 00:40:10.061 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Aug 31 00:40:10.061 INFO kablam! 
Aug 31 00:40:10.061 INFO kablam! warning: unnecessary parentheses around method argument
Aug 31 00:40:10.061 INFO kablam!    --> src/test/mod.rs:117:14
Aug 31 00:40:10.061 INFO kablam!     |
Aug 31 00:40:10.061 INFO kablam! 117 |     r.delete((12..8)); // lol, fuck you
Aug 31 00:40:10.061 INFO kablam!     |              ^^^^^^^ help: remove these parentheses
Aug 31 00:40:10.061 INFO kablam! 
Aug 31 00:40:10.069 INFO kablam! warning: unused import: `super::*`
Aug 31 00:40:10.069 INFO kablam!    --> src/slice.rs:710:9
Aug 31 00:40:10.069 INFO kablam!     |
Aug 31 00:40:10.069 INFO kablam! 710 |     use super::*;
Aug 31 00:40:10.069 INFO kablam!     |         ^^^^^^^^
Aug 31 00:40:10.069 INFO kablam! 
Aug 31 00:40:11.465 INFO kablam! warning: unused variable: `left`
Aug 31 00:40:11.465 INFO kablam!   --> src/internals/test.rs:49:10
Aug 31 00:40:11.465 INFO kablam!    |
Aug 31 00:40:11.465 INFO kablam! 49 |     let (left, right) = b.split(Line(1));
Aug 31 00:40:11.465 INFO kablam!    |          ^^^^ help: consider using `_left` instead
Aug 31 00:40:11.465 INFO kablam!    |
Aug 31 00:40:11.465 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 31 00:40:11.465 INFO kablam! 
Aug 31 00:40:11.465 INFO kablam! warning: unused variable: `right`
Aug 31 00:40:11.465 INFO kablam!   --> src/internals/test.rs:49:16
Aug 31 00:40:11.465 INFO kablam!    |
Aug 31 00:40:11.465 INFO kablam! 49 |     let (left, right) = b.split(Line(1));
Aug 31 00:40:11.465 INFO kablam!    |                ^^^^^ help: consider using `_right` instead
Aug 31 00:40:11.465 INFO kablam! 
Aug 31 00:40:11.505 INFO kablam! warning: variable does not need to be mutable
Aug 31 00:40:11.505 INFO kablam!    --> src/lib.rs:762:46
Aug 31 00:40:11.505 INFO kablam!     |
Aug 31 00:40:11.505 INFO kablam! 762 |                               .scan(0, move |mut l, i|  {
Aug 31 00:40:11.505 INFO kablam!     |                                              ----^
Aug 31 00:40:11.505 INFO kablam!     |                                              |
Aug 31 00:40:11.505 INFO kablam!     |                                              help: remove this `mut`
Aug 31 00:40:11.506 INFO kablam!     |
Aug 31 00:40:11.506 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 31 00:40:11.506 INFO kablam! 
Aug 31 00:40:11.539 INFO kablam! warning: variable does not need to be mutable
Aug 31 00:40:11.539 INFO kablam!   --> src/test/mod.rs:28:9
Aug 31 00:40:11.539 INFO kablam!    |
Aug 31 00:40:11.539 INFO kablam! 28 |     let mut rope = Rope::from("this is\n\
Aug 31 00:40:11.539 INFO kablam!    |         ----^^^^
Aug 31 00:40:11.539 INFO kablam!    |         |
Aug 31 00:40:11.539 INFO kablam!    |         help: remove this `mut`
Aug 31 00:40:11.539 INFO kablam! 
Aug 31 00:40:11.540 INFO kablam! warning: variable does not need to be mutable
Aug 31 00:40:11.540 INFO kablam!   --> src/test/mod.rs:44:9
Aug 31 00:40:11.540 INFO kablam!    |
Aug 31 00:40:11.541 INFO kablam! 44 |     let mut rope = Rope::from("this is\n\
Aug 31 00:40:11.541 INFO kablam!    |         ----^^^^
Aug 31 00:40:11.541 INFO kablam!    |         |
Aug 31 00:40:11.541 INFO kablam!    |         help: remove this `mut`
Aug 31 00:40:11.541 INFO kablam! 
Aug 31 00:40:11.544 INFO kablam! warning: variable does not need to be mutable
Aug 31 00:40:11.544 INFO kablam!    --> src/test/mod.rs:116:9
Aug 31 00:40:11.544 INFO kablam!     |
Aug 31 00:40:11.544 INFO kablam! 116 |     let mut r = Rope::from("this is not fine");
Aug 31 00:40:11.544 INFO kablam!     |         ----^
Aug 31 00:40:11.544 INFO kablam!     |         |
Aug 31 00:40:11.544 INFO kablam!     |         help: remove this `mut`
Aug 31 00:40:11.544 INFO kablam! 
Aug 31 00:40:11.600 INFO kablam! warning: variable does not need to be mutable
Aug 31 00:40:11.600 INFO kablam!    --> src/test/mod.rs:476:17
Aug 31 00:40:11.600 INFO kablam!     |
Aug 31 00:40:11.600 INFO kablam! 476 |             let mut rope = Rope::from(a.clone());
Aug 31 00:40:11.600 INFO kablam!     |                 ----^^^^
Aug 31 00:40:11.600 INFO kablam!     |                 |
Aug 31 00:40:11.600 INFO kablam!     |                 help: remove this `mut`
Aug 31 00:40:11.600 INFO kablam! 
Aug 31 00:40:11.902 INFO kablam! warning: function is never used: `line_delete_test_1`
Aug 31 00:40:11.902 INFO kablam!   --> src/test/mod.rs:26:1
Aug 31 00:40:11.902 INFO kablam!    |
Aug 31 00:40:11.902 INFO kablam! 26 | fn line_delete_test_1() {
Aug 31 00:40:11.902 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 00:40:11.902 INFO kablam!    |
Aug 31 00:40:11.902 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 31 00:40:11.902 INFO kablam! 
Aug 31 00:40:11.902 INFO kablam! warning: function is never used: `line_delete_test_2`
Aug 31 00:40:11.902 INFO kablam!   --> src/test/mod.rs:42:1
Aug 31 00:40:11.902 INFO kablam!    |
Aug 31 00:40:11.902 INFO kablam! 42 | fn line_delete_test_2() {
Aug 31 00:40:11.902 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 00:40:11.902 INFO kablam! 
Aug 31 00:40:11.902 INFO kablam! warning: function is never used: `debug_test_1`
Aug 31 00:40:11.902 INFO kablam!    --> src/test/mod.rs:125:5
Aug 31 00:40:11.902 INFO kablam!     |
Aug 31 00:40:11.902 INFO kablam! 125 |     fn debug_test_1() {
Aug 31 00:40:11.902 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Aug 31 00:40:11.902 INFO kablam! 
Aug 31 00:40:11.902 INFO kablam! warning: function is never used: `debug_test_2`
Aug 31 00:40:11.903 INFO kablam!    --> src/test/mod.rs:131:5
Aug 31 00:40:11.903 INFO kablam!     |
Aug 31 00:40:11.903 INFO kablam! 131 |     fn debug_test_2() {
Aug 31 00:40:11.903 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Aug 31 00:40:11.903 INFO kablam! 
Aug 31 00:40:11.903 INFO kablam! warning: function is never used: `debug_test_3`
Aug 31 00:40:11.903 INFO kablam!    --> src/test/mod.rs:137:5
Aug 31 00:40:11.903 INFO kablam!     |
Aug 31 00:40:11.903 INFO kablam! 137 |     fn debug_test_3() {
Aug 31 00:40:11.903 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Aug 31 00:40:11.903 INFO kablam! 
Aug 31 00:40:11.903 INFO kablam! warning: function is never used: `rope_indexing_is_string_indexing`
Aug 31 00:40:11.903 INFO kablam!    --> src/test/mod.rs:446:5
Aug 31 00:40:11.903 INFO kablam!     |
Aug 31 00:40:11.903 INFO kablam! 446 |     fn rope_indexing_is_string_indexing() {
Aug 31 00:40:11.903 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 00:40:11.903 INFO kablam! 
Aug 31 00:40:11.903 INFO kablam! warning: function is never used: `rope_insert_char_is_string_insert_char`
Aug 31 00:40:11.903 INFO kablam!    --> src/test/mod.rs:462:5
Aug 31 00:40:11.903 INFO kablam!     |
Aug 31 00:40:11.903 INFO kablam! 462 |     fn rope_insert_char_is_string_insert_char() {
Aug 31 00:40:11.904 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 00:40:11.904 INFO kablam! 
Aug 31 00:40:11.904 INFO kablam! warning: constant item is never used: `TEST_WORD`
Aug 31 00:40:11.904 INFO kablam!     --> src/unicode/test/testdata.rs:520:5
Aug 31 00:40:11.904 INFO kablam!      |
Aug 31 00:40:11.904 INFO kablam! 520  | /     pub const TEST_WORD: &'static [(&'static str, &'static [&'static str])] = &[
Aug 31 00:40:11.904 INFO kablam! 521  | |         ("\u{1}\u{1}", &["\u{1}", "\u{1}"]), ("\u{1}\u{308}\u{1}", &["\u{1}\u{308}", "\u{1}"]),
Aug 31 00:40:11.904 INFO kablam! 522  | |         ("\u{1}\u{d}", &["\u{1}", "\u{d}"]), ("\u{1}\u{308}\u{d}", &["\u{1}\u{308}", "\u{d}"]),
Aug 31 00:40:11.904 INFO kablam! 523  | |         ("\u{1}\u{a}", &["\u{1}", "\u{a}"]), ("\u{1}\u{308}\u{a}", &["\u{1}\u{308}", "\u{a}"]),
Aug 31 00:40:11.904 INFO kablam! ...    |
Aug 31 00:40:11.904 INFO kablam! 2056 | |         "\u{2c}", "\u{2c}", "\u{61}"])
Aug 31 00:40:11.904 INFO kablam! 2057 | |     ];
Aug 31 00:40:11.904 INFO kablam!      | |______^
Aug 31 00:40:11.904 INFO kablam! 
Aug 31 00:40:11.904 INFO kablam! warning: method is never used: `nodes`
Aug 31 00:40:11.904 INFO kablam!    --> src/internals/mod.rs:446:5
Aug 31 00:40:11.904 INFO kablam!     |
Aug 31 00:40:11.904 INFO kablam! 446 |     fn nodes(&self) -> Nodes {
Aug 31 00:40:11.904 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 00:40:11.904 INFO kablam! 
Aug 31 00:40:11.904 INFO kablam! warning: struct is never constructed: `Nodes`
Aug 31 00:40:11.904 INFO kablam!    --> src/internals/mod.rs:645:1
Aug 31 00:40:11.904 INFO kablam!     |
Aug 31 00:40:11.904 INFO kablam! 645 | struct Nodes<'a>(Vec<&'a Node>);
Aug 31 00:40:11.904 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 00:40:11.905 INFO kablam! 
Aug 31 00:40:11.905 INFO kablam! warning: unused attribute
Aug 31 00:40:11.905 INFO kablam!   --> src/test/mod.rs:25:1
Aug 31 00:40:11.905 INFO kablam!    |
Aug 31 00:40:11.905 INFO kablam! 25 | #[ignore]
Aug 31 00:40:11.905 INFO kablam!    | ^^^^^^^^^
Aug 31 00:40:11.905 INFO kablam!    |
Aug 31 00:40:11.905 INFO kablam!    = note: #[warn(unused_attributes)] on by default
Aug 31 00:40:11.905 INFO kablam! 
Aug 31 00:40:11.905 INFO kablam! warning: unused attribute
Aug 31 00:40:11.905 INFO kablam!   --> src/test/mod.rs:41:1
Aug 31 00:40:11.905 INFO kablam!    |
Aug 31 00:40:11.905 INFO kablam! 41 | #[ignore]
Aug 31 00:40:11.905 INFO kablam!    | ^^^^^^^^^
Aug 31 00:40:11.905 INFO kablam! 
Aug 31 00:40:11.905 INFO kablam! warning: unused attribute
Aug 31 00:40:11.905 INFO kablam!    --> src/test/mod.rs:114:1
Aug 31 00:40:11.905 INFO kablam!     |
Aug 31 00:40:11.905 INFO kablam! 114 | #[should_panic]
Aug 31 00:40:11.905 INFO kablam!     | ^^^^^^^^^^^^^^^
Aug 31 00:40:11.905 INFO kablam! 
Aug 31 00:40:11.906 INFO kablam! warning: unused attribute
Aug 31 00:40:11.906 INFO kablam!    --> src/test/mod.rs:124:5
Aug 31 00:40:11.906 INFO kablam!     |
Aug 31 00:40:11.906 INFO kablam! 124 |     #[ignore]
Aug 31 00:40:11.906 INFO kablam!     |     ^^^^^^^^^
Aug 31 00:40:11.906 INFO kablam! 
Aug 31 00:40:11.906 INFO kablam! warning: unused attribute
Aug 31 00:40:11.906 INFO kablam!    --> src/test/mod.rs:130:5
Aug 31 00:40:11.906 INFO kablam!     |
Aug 31 00:40:11.906 INFO kablam! 130 |     #[ignore]
Aug 31 00:40:11.907 INFO kablam!     |     ^^^^^^^^^
Aug 31 00:40:11.907 INFO kablam! 
Aug 31 00:40:11.907 INFO kablam! warning: unused attribute
Aug 31 00:40:11.907 INFO kablam!    --> src/test/mod.rs:136:5
Aug 31 00:40:11.907 INFO kablam!     |
Aug 31 00:40:11.907 INFO kablam! 136 |     #[ignore]
Aug 31 00:40:11.907 INFO kablam!     |     ^^^^^^^^^
Aug 31 00:40:11.907 INFO kablam! 
Aug 31 00:40:11.910 INFO kablam! warning: unused attribute
Aug 31 00:40:11.910 INFO kablam!    --> src/test/mod.rs:445:5
Aug 31 00:40:11.910 INFO kablam!     |
Aug 31 00:40:11.910 INFO kablam! 445 |     #[ignore]
Aug 31 00:40:11.910 INFO kablam!     |     ^^^^^^^^^
Aug 31 00:40:11.910 INFO kablam! 
Aug 31 00:40:11.910 INFO kablam! warning: unused attribute
Aug 31 00:40:11.910 INFO kablam!    --> src/test/mod.rs:461:5
Aug 31 00:40:11.910 INFO kablam!     |
Aug 31 00:40:11.910 INFO kablam! 461 |     #[ignore]
Aug 31 00:40:11.910 INFO kablam!     |     ^^^^^^^^^
Aug 31 00:40:11.910 INFO kablam! 
Aug 31 00:40:11.910 INFO kablam! warning: module `FromIterator` should have a snake case name such as `from_iterator`
Aug 31 00:40:11.910 INFO kablam!    --> src/test/mod.rs:614:5
Aug 31 00:40:11.910 INFO kablam!     |
Aug 31 00:40:11.910 INFO kablam! 614 | /     mod FromIterator {
Aug 31 00:40:11.910 INFO kablam! 615 | |         use ::Rope;
Aug 31 00:40:11.910 INFO kablam! 616 | |         quickcheck! {
Aug 31 00:40:11.910 INFO kablam! 617 | |             fn prop_strings_concat(v: Vec<String>) -> bool {
Aug 31 00:40:11.910 INFO kablam! ...   |
Aug 31 00:40:11.910 INFO kablam! 709 | |
Aug 31 00:40:11.911 INFO kablam! 710 | |     }
Aug 31 00:40:11.911 INFO kablam!     | |_____^
Aug 31 00:40:11.911 INFO kablam!     |
Aug 31 00:40:11.911 INFO kablam!     = note: #[warn(non_snake_case)] on by default
Aug 31 00:40:11.911 INFO kablam! 
Aug 31 00:40:12.111 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.95s
Aug 31 00:40:12.118 INFO kablam! su: No module specific data is present
Aug 31 00:40:12.593 INFO running `"docker" "rm" "-f" "815d057d9058d01f94b50ef6e60bcfa232bdaa63dd174139b5be7ca960dc86b2"`
Aug 31 00:40:12.677 INFO blam! 815d057d9058d01f94b50ef6e60bcfa232bdaa63dd174139b5be7ca960dc86b2