Sep 02 20:53:11.810 INFO checking an-rope-0.3.1 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 20:53:11.810 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 20:53:11.811 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-1/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 02 20:53:12.002 INFO blam! d911df5fc918140173024c34c63e650e47cf022d3fabb7607b5a5247fd11e69e
Sep 02 20:53:12.004 INFO running `"docker" "start" "-a" "d911df5fc918140173024c34c63e650e47cf022d3fabb7607b5a5247fd11e69e"`
Sep 02 20:53:12.622 INFO kablam!     Checking an-rope v0.3.1 (file:///source)
Sep 02 20:53:13.964 INFO kablam! warning: variable does not need to be mutable
Sep 02 20:53:13.964 INFO kablam!    --> src/lib.rs:762:46
Sep 02 20:53:13.964 INFO kablam!     |
Sep 02 20:53:13.964 INFO kablam! 762 |                               .scan(0, move |mut l, i|  {
Sep 02 20:53:13.964 INFO kablam!     |                                              ----^
Sep 02 20:53:13.964 INFO kablam!     |                                              |
Sep 02 20:53:13.964 INFO kablam!     |                                              help: remove this `mut`
Sep 02 20:53:13.964 INFO kablam!     |
Sep 02 20:53:13.964 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 02 20:53:13.964 INFO kablam! 
Sep 02 20:53:14.138 INFO kablam! warning: method is never used: `nodes`
Sep 02 20:53:14.138 INFO kablam!    --> src/internals/mod.rs:446:5
Sep 02 20:53:14.138 INFO kablam!     |
Sep 02 20:53:14.138 INFO kablam! 446 |     fn nodes(&self) -> Nodes {
Sep 02 20:53:14.138 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 20:53:14.138 INFO kablam!     |
Sep 02 20:53:14.139 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 02 20:53:14.139 INFO kablam! 
Sep 02 20:53:14.139 INFO kablam! warning: struct is never constructed: `Nodes`
Sep 02 20:53:14.139 INFO kablam!    --> src/internals/mod.rs:645:1
Sep 02 20:53:14.139 INFO kablam!     |
Sep 02 20:53:14.139 INFO kablam! 645 | struct Nodes<'a>(Vec<&'a Node>);
Sep 02 20:53:14.139 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 20:53:14.139 INFO kablam! 
Sep 02 20:53:14.552 INFO kablam! warning: unused import: `metric::Line`
Sep 02 20:53:14.552 INFO kablam!  --> src/test/mod.rs:4:5
Sep 02 20:53:14.552 INFO kablam!   |
Sep 02 20:53:14.552 INFO kablam! 4 | use metric::Line;
Sep 02 20:53:14.552 INFO kablam!   |     ^^^^^^^^^^^^
Sep 02 20:53:14.552 INFO kablam!   |
Sep 02 20:53:14.552 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 02 20:53:14.553 INFO kablam! 
Sep 02 20:53:14.553 INFO kablam! warning: unused import: `metric::Measured`
Sep 02 20:53:14.553 INFO kablam!  --> src/test/mod.rs:5:5
Sep 02 20:53:14.553 INFO kablam!   |
Sep 02 20:53:14.553 INFO kablam! 5 | use metric::Measured;
Sep 02 20:53:14.553 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Sep 02 20:53:14.553 INFO kablam! 
Sep 02 20:53:14.553 INFO kablam! warning: unnecessary parentheses around method argument
Sep 02 20:53:14.553 INFO kablam!   --> src/test/mod.rs:61:18
Sep 02 20:53:14.553 INFO kablam!    |
Sep 02 20:53:14.553 INFO kablam! 61 |     r = r.delete((8..12));
Sep 02 20:53:14.553 INFO kablam!    |                  ^^^^^^^ help: remove these parentheses
Sep 02 20:53:14.553 INFO kablam!    |
Sep 02 20:53:14.553 INFO kablam!    = note: #[warn(unused_parens)] on by default
Sep 02 20:53:14.553 INFO kablam! 
Sep 02 20:53:14.553 INFO kablam! warning: unnecessary parentheses around method argument
Sep 02 20:53:14.553 INFO kablam!   --> src/test/mod.rs:68:18
Sep 02 20:53:14.553 INFO kablam!    |
Sep 02 20:53:14.553 INFO kablam! 68 |     r = r.delete((0..0));
Sep 02 20:53:14.553 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Sep 02 20:53:14.553 INFO kablam! 
Sep 02 20:53:14.553 INFO kablam! warning: unnecessary parentheses around method argument
Sep 02 20:53:14.553 INFO kablam!    --> src/test/mod.rs:117:14
Sep 02 20:53:14.553 INFO kablam!     |
Sep 02 20:53:14.553 INFO kablam! 117 |     r.delete((12..8)); // lol, fuck you
Sep 02 20:53:14.553 INFO kablam!     |              ^^^^^^^ help: remove these parentheses
Sep 02 20:53:14.553 INFO kablam! 
Sep 02 20:53:14.565 INFO kablam! warning: unused import: `super::*`
Sep 02 20:53:14.565 INFO kablam!    --> src/slice.rs:710:9
Sep 02 20:53:14.565 INFO kablam!     |
Sep 02 20:53:14.565 INFO kablam! 710 |     use super::*;
Sep 02 20:53:14.565 INFO kablam!     |         ^^^^^^^^
Sep 02 20:53:14.565 INFO kablam! 
Sep 02 20:53:15.956 INFO kablam! warning: unused variable: `left`
Sep 02 20:53:15.956 INFO kablam!   --> src/internals/test.rs:49:10
Sep 02 20:53:15.956 INFO kablam!    |
Sep 02 20:53:15.956 INFO kablam! 49 |     let (left, right) = b.split(Line(1));
Sep 02 20:53:15.956 INFO kablam!    |          ^^^^ help: consider using `_left` instead
Sep 02 20:53:15.956 INFO kablam!    |
Sep 02 20:53:15.956 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 02 20:53:15.956 INFO kablam! 
Sep 02 20:53:15.956 INFO kablam! warning: unused variable: `right`
Sep 02 20:53:15.956 INFO kablam!   --> src/internals/test.rs:49:16
Sep 02 20:53:15.956 INFO kablam!    |
Sep 02 20:53:15.956 INFO kablam! 49 |     let (left, right) = b.split(Line(1));
Sep 02 20:53:15.956 INFO kablam!    |                ^^^^^ help: consider using `_right` instead
Sep 02 20:53:15.956 INFO kablam! 
Sep 02 20:53:16.003 INFO kablam! warning: variable does not need to be mutable
Sep 02 20:53:16.003 INFO kablam!    --> src/lib.rs:762:46
Sep 02 20:53:16.003 INFO kablam!     |
Sep 02 20:53:16.003 INFO kablam! 762 |                               .scan(0, move |mut l, i|  {
Sep 02 20:53:16.003 INFO kablam!     |                                              ----^
Sep 02 20:53:16.003 INFO kablam!     |                                              |
Sep 02 20:53:16.003 INFO kablam!     |                                              help: remove this `mut`
Sep 02 20:53:16.003 INFO kablam!     |
Sep 02 20:53:16.003 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 02 20:53:16.003 INFO kablam! 
Sep 02 20:53:16.042 INFO kablam! warning: variable does not need to be mutable
Sep 02 20:53:16.042 INFO kablam!   --> src/test/mod.rs:28:9
Sep 02 20:53:16.042 INFO kablam!    |
Sep 02 20:53:16.042 INFO kablam! 28 |     let mut rope = Rope::from("this is\n\
Sep 02 20:53:16.042 INFO kablam!    |         ----^^^^
Sep 02 20:53:16.042 INFO kablam!    |         |
Sep 02 20:53:16.042 INFO kablam!    |         help: remove this `mut`
Sep 02 20:53:16.042 INFO kablam! 
Sep 02 20:53:16.043 INFO kablam! warning: variable does not need to be mutable
Sep 02 20:53:16.043 INFO kablam!   --> src/test/mod.rs:44:9
Sep 02 20:53:16.043 INFO kablam!    |
Sep 02 20:53:16.043 INFO kablam! 44 |     let mut rope = Rope::from("this is\n\
Sep 02 20:53:16.043 INFO kablam!    |         ----^^^^
Sep 02 20:53:16.044 INFO kablam!    |         |
Sep 02 20:53:16.044 INFO kablam!    |         help: remove this `mut`
Sep 02 20:53:16.044 INFO kablam! 
Sep 02 20:53:16.047 INFO kablam! warning: variable does not need to be mutable
Sep 02 20:53:16.047 INFO kablam!    --> src/test/mod.rs:116:9
Sep 02 20:53:16.047 INFO kablam!     |
Sep 02 20:53:16.047 INFO kablam! 116 |     let mut r = Rope::from("this is not fine");
Sep 02 20:53:16.047 INFO kablam!     |         ----^
Sep 02 20:53:16.047 INFO kablam!     |         |
Sep 02 20:53:16.047 INFO kablam!     |         help: remove this `mut`
Sep 02 20:53:16.047 INFO kablam! 
Sep 02 20:53:16.108 INFO kablam! warning: variable does not need to be mutable
Sep 02 20:53:16.108 INFO kablam!    --> src/test/mod.rs:476:17
Sep 02 20:53:16.108 INFO kablam!     |
Sep 02 20:53:16.108 INFO kablam! 476 |             let mut rope = Rope::from(a.clone());
Sep 02 20:53:16.108 INFO kablam!     |                 ----^^^^
Sep 02 20:53:16.108 INFO kablam!     |                 |
Sep 02 20:53:16.108 INFO kablam!     |                 help: remove this `mut`
Sep 02 20:53:16.108 INFO kablam! 
Sep 02 20:53:16.452 INFO kablam! warning: function is never used: `line_delete_test_1`
Sep 02 20:53:16.452 INFO kablam!   --> src/test/mod.rs:26:1
Sep 02 20:53:16.452 INFO kablam!    |
Sep 02 20:53:16.452 INFO kablam! 26 | fn line_delete_test_1() {
Sep 02 20:53:16.452 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 20:53:16.452 INFO kablam!    |
Sep 02 20:53:16.452 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 02 20:53:16.452 INFO kablam! 
Sep 02 20:53:16.453 INFO kablam! warning: function is never used: `line_delete_test_2`
Sep 02 20:53:16.453 INFO kablam!   --> src/test/mod.rs:42:1
Sep 02 20:53:16.453 INFO kablam!    |
Sep 02 20:53:16.453 INFO kablam! 42 | fn line_delete_test_2() {
Sep 02 20:53:16.453 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 20:53:16.453 INFO kablam! 
Sep 02 20:53:16.453 INFO kablam! warning: function is never used: `debug_test_1`
Sep 02 20:53:16.453 INFO kablam!    --> src/test/mod.rs:125:5
Sep 02 20:53:16.453 INFO kablam!     |
Sep 02 20:53:16.453 INFO kablam! 125 |     fn debug_test_1() {
Sep 02 20:53:16.453 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Sep 02 20:53:16.453 INFO kablam! 
Sep 02 20:53:16.453 INFO kablam! warning: function is never used: `debug_test_2`
Sep 02 20:53:16.453 INFO kablam!    --> src/test/mod.rs:131:5
Sep 02 20:53:16.453 INFO kablam!     |
Sep 02 20:53:16.453 INFO kablam! 131 |     fn debug_test_2() {
Sep 02 20:53:16.453 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Sep 02 20:53:16.453 INFO kablam! 
Sep 02 20:53:16.453 INFO kablam! warning: function is never used: `debug_test_3`
Sep 02 20:53:16.453 INFO kablam!    --> src/test/mod.rs:137:5
Sep 02 20:53:16.453 INFO kablam!     |
Sep 02 20:53:16.453 INFO kablam! 137 |     fn debug_test_3() {
Sep 02 20:53:16.454 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Sep 02 20:53:16.454 INFO kablam! 
Sep 02 20:53:16.454 INFO kablam! warning: function is never used: `rope_indexing_is_string_indexing`
Sep 02 20:53:16.454 INFO kablam!    --> src/test/mod.rs:446:5
Sep 02 20:53:16.454 INFO kablam!     |
Sep 02 20:53:16.454 INFO kablam! 446 |     fn rope_indexing_is_string_indexing() {
Sep 02 20:53:16.454 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 20:53:16.454 INFO kablam! 
Sep 02 20:53:16.454 INFO kablam! warning: function is never used: `rope_insert_char_is_string_insert_char`
Sep 02 20:53:16.454 INFO kablam!    --> src/test/mod.rs:462:5
Sep 02 20:53:16.454 INFO kablam!     |
Sep 02 20:53:16.454 INFO kablam! 462 |     fn rope_insert_char_is_string_insert_char() {
Sep 02 20:53:16.454 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 20:53:16.454 INFO kablam! 
Sep 02 20:53:16.454 INFO kablam! warning: constant item is never used: `TEST_WORD`
Sep 02 20:53:16.454 INFO kablam!     --> src/unicode/test/testdata.rs:520:5
Sep 02 20:53:16.454 INFO kablam!      |
Sep 02 20:53:16.454 INFO kablam! 520  | /     pub const TEST_WORD: &'static [(&'static str, &'static [&'static str])] = &[
Sep 02 20:53:16.454 INFO kablam! 521  | |         ("\u{1}\u{1}", &["\u{1}", "\u{1}"]), ("\u{1}\u{308}\u{1}", &["\u{1}\u{308}", "\u{1}"]),
Sep 02 20:53:16.454 INFO kablam! 522  | |         ("\u{1}\u{d}", &["\u{1}", "\u{d}"]), ("\u{1}\u{308}\u{d}", &["\u{1}\u{308}", "\u{d}"]),
Sep 02 20:53:16.454 INFO kablam! 523  | |         ("\u{1}\u{a}", &["\u{1}", "\u{a}"]), ("\u{1}\u{308}\u{a}", &["\u{1}\u{308}", "\u{a}"]),
Sep 02 20:53:16.455 INFO kablam! ...    |
Sep 02 20:53:16.455 INFO kablam! 2056 | |         "\u{2c}", "\u{2c}", "\u{61}"])
Sep 02 20:53:16.455 INFO kablam! 2057 | |     ];
Sep 02 20:53:16.455 INFO kablam!      | |______^
Sep 02 20:53:16.455 INFO kablam! 
Sep 02 20:53:16.455 INFO kablam! warning: method is never used: `nodes`
Sep 02 20:53:16.455 INFO kablam!    --> src/internals/mod.rs:446:5
Sep 02 20:53:16.455 INFO kablam!     |
Sep 02 20:53:16.455 INFO kablam! 446 |     fn nodes(&self) -> Nodes {
Sep 02 20:53:16.455 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 20:53:16.455 INFO kablam! 
Sep 02 20:53:16.455 INFO kablam! warning: struct is never constructed: `Nodes`
Sep 02 20:53:16.455 INFO kablam!    --> src/internals/mod.rs:645:1
Sep 02 20:53:16.455 INFO kablam!     |
Sep 02 20:53:16.455 INFO kablam! 645 | struct Nodes<'a>(Vec<&'a Node>);
Sep 02 20:53:16.455 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 20:53:16.455 INFO kablam! 
Sep 02 20:53:16.456 INFO kablam! warning: unused attribute
Sep 02 20:53:16.456 INFO kablam!   --> src/test/mod.rs:25:1
Sep 02 20:53:16.456 INFO kablam!    |
Sep 02 20:53:16.456 INFO kablam! 25 | #[ignore]
Sep 02 20:53:16.456 INFO kablam!    | ^^^^^^^^^
Sep 02 20:53:16.456 INFO kablam!    |
Sep 02 20:53:16.456 INFO kablam!    = note: #[warn(unused_attributes)] on by default
Sep 02 20:53:16.456 INFO kablam! 
Sep 02 20:53:16.456 INFO kablam! warning: unused attribute
Sep 02 20:53:16.456 INFO kablam!   --> src/test/mod.rs:41:1
Sep 02 20:53:16.456 INFO kablam!    |
Sep 02 20:53:16.456 INFO kablam! 41 | #[ignore]
Sep 02 20:53:16.456 INFO kablam!    | ^^^^^^^^^
Sep 02 20:53:16.456 INFO kablam! 
Sep 02 20:53:16.456 INFO kablam! warning: unused attribute
Sep 02 20:53:16.456 INFO kablam!    --> src/test/mod.rs:114:1
Sep 02 20:53:16.456 INFO kablam!     |
Sep 02 20:53:16.456 INFO kablam! 114 | #[should_panic]
Sep 02 20:53:16.456 INFO kablam!     | ^^^^^^^^^^^^^^^
Sep 02 20:53:16.456 INFO kablam! 
Sep 02 20:53:16.456 INFO kablam! warning: unused attribute
Sep 02 20:53:16.456 INFO kablam!    --> src/test/mod.rs:124:5
Sep 02 20:53:16.456 INFO kablam!     |
Sep 02 20:53:16.457 INFO kablam! 124 |     #[ignore]
Sep 02 20:53:16.457 INFO kablam!     |     ^^^^^^^^^
Sep 02 20:53:16.457 INFO kablam! 
Sep 02 20:53:16.457 INFO kablam! warning: unused attribute
Sep 02 20:53:16.457 INFO kablam!    --> src/test/mod.rs:130:5
Sep 02 20:53:16.457 INFO kablam!     |
Sep 02 20:53:16.457 INFO kablam! 130 |     #[ignore]
Sep 02 20:53:16.457 INFO kablam!     |     ^^^^^^^^^
Sep 02 20:53:16.457 INFO kablam! 
Sep 02 20:53:16.457 INFO kablam! warning: unused attribute
Sep 02 20:53:16.457 INFO kablam!    --> src/test/mod.rs:136:5
Sep 02 20:53:16.457 INFO kablam!     |
Sep 02 20:53:16.457 INFO kablam! 136 |     #[ignore]
Sep 02 20:53:16.457 INFO kablam!     |     ^^^^^^^^^
Sep 02 20:53:16.457 INFO kablam! 
Sep 02 20:53:16.461 INFO kablam! warning: unused attribute
Sep 02 20:53:16.462 INFO kablam!    --> src/test/mod.rs:445:5
Sep 02 20:53:16.462 INFO kablam!     |
Sep 02 20:53:16.462 INFO kablam! 445 |     #[ignore]
Sep 02 20:53:16.462 INFO kablam!     |     ^^^^^^^^^
Sep 02 20:53:16.462 INFO kablam! 
Sep 02 20:53:16.462 INFO kablam! warning: unused attribute
Sep 02 20:53:16.462 INFO kablam!    --> src/test/mod.rs:461:5
Sep 02 20:53:16.462 INFO kablam!     |
Sep 02 20:53:16.462 INFO kablam! 461 |     #[ignore]
Sep 02 20:53:16.462 INFO kablam!     |     ^^^^^^^^^
Sep 02 20:53:16.462 INFO kablam! 
Sep 02 20:53:16.462 INFO kablam! warning: module `FromIterator` should have a snake case name such as `from_iterator`
Sep 02 20:53:16.462 INFO kablam!    --> src/test/mod.rs:614:5
Sep 02 20:53:16.462 INFO kablam!     |
Sep 02 20:53:16.462 INFO kablam! 614 | /     mod FromIterator {
Sep 02 20:53:16.462 INFO kablam! 615 | |         use ::Rope;
Sep 02 20:53:16.462 INFO kablam! 616 | |         quickcheck! {
Sep 02 20:53:16.462 INFO kablam! 617 | |             fn prop_strings_concat(v: Vec<String>) -> bool {
Sep 02 20:53:16.462 INFO kablam! ...   |
Sep 02 20:53:16.463 INFO kablam! 709 | |
Sep 02 20:53:16.463 INFO kablam! 710 | |     }
Sep 02 20:53:16.463 INFO kablam!     | |_____^
Sep 02 20:53:16.463 INFO kablam!     |
Sep 02 20:53:16.463 INFO kablam!     = note: #[warn(non_snake_case)] on by default
Sep 02 20:53:16.463 INFO kablam! 
Sep 02 20:53:16.739 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.19s
Sep 02 20:53:16.746 INFO kablam! su: No module specific data is present
Sep 02 20:53:17.170 INFO running `"docker" "rm" "-f" "d911df5fc918140173024c34c63e650e47cf022d3fabb7607b5a5247fd11e69e"`
Sep 02 20:53:17.289 INFO blam! d911df5fc918140173024c34c63e650e47cf022d3fabb7607b5a5247fd11e69e