Oct 13 18:06:51.409 INFO checking an-rope-0.3.1 against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 18:06:51.409 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 18:06:51.708 INFO blam! 0f32209087e325afa5a3441018e08e26d11d015e29b65f83f505923e40b5cdaa
Oct 13 18:06:51.708 INFO running `"docker" "start" "-a" "0f32209087e325afa5a3441018e08e26d11d015e29b65f83f505923e40b5cdaa"`
Oct 13 18:06:52.495 INFO kablam! usermod: no changes
Oct 13 18:06:52.594 INFO kablam!     Checking an-rope v0.3.1 (/source)
Oct 13 18:06:53.808 INFO kablam! warning: variable does not need to be mutable
Oct 13 18:06:53.808 INFO kablam!    --> src/lib.rs:762:46
Oct 13 18:06:53.808 INFO kablam!     |
Oct 13 18:06:53.808 INFO kablam! 762 |                               .scan(0, move |mut l, i|  {
Oct 13 18:06:53.808 INFO kablam!     |                                              ----^
Oct 13 18:06:53.809 INFO kablam!     |                                              |
Oct 13 18:06:53.809 INFO kablam!     |                                              help: remove this `mut`
Oct 13 18:06:53.809 INFO kablam!     |
Oct 13 18:06:53.809 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 18:06:53.809 INFO kablam! 
Oct 13 18:06:54.031 INFO kablam! warning: method is never used: `nodes`
Oct 13 18:06:54.031 INFO kablam!    --> src/internals/mod.rs:446:5
Oct 13 18:06:54.031 INFO kablam!     |
Oct 13 18:06:54.031 INFO kablam! 446 |     fn nodes(&self) -> Nodes {
Oct 13 18:06:54.031 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 18:06:54.031 INFO kablam!     |
Oct 13 18:06:54.031 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 13 18:06:54.033 INFO kablam! 
Oct 13 18:06:54.033 INFO kablam! warning: struct is never constructed: `Nodes`
Oct 13 18:06:54.033 INFO kablam!    --> src/internals/mod.rs:645:1
Oct 13 18:06:54.033 INFO kablam!     |
Oct 13 18:06:54.033 INFO kablam! 645 | struct Nodes<'a>(Vec<&'a Node>);
Oct 13 18:06:54.033 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 18:06:54.033 INFO kablam! 
Oct 13 18:06:54.994 INFO kablam! warning: unused import: `metric::Line`
Oct 13 18:06:54.994 INFO kablam!  --> src/test/mod.rs:4:5
Oct 13 18:06:54.994 INFO kablam!   |
Oct 13 18:06:54.994 INFO kablam! 4 | use metric::Line;
Oct 13 18:06:54.994 INFO kablam!   |     ^^^^^^^^^^^^
Oct 13 18:06:54.994 INFO kablam!   |
Oct 13 18:06:54.994 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 18:06:54.994 INFO kablam! 
Oct 13 18:06:54.994 INFO kablam! warning: unused import: `metric::Measured`
Oct 13 18:06:54.994 INFO kablam!  --> src/test/mod.rs:5:5
Oct 13 18:06:54.994 INFO kablam!   |
Oct 13 18:06:54.994 INFO kablam! 5 | use metric::Measured;
Oct 13 18:06:54.994 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Oct 13 18:06:54.994 INFO kablam! 
Oct 13 18:06:54.994 INFO kablam! warning: unnecessary parentheses around method argument
Oct 13 18:06:54.994 INFO kablam!   --> src/test/mod.rs:61:18
Oct 13 18:06:54.994 INFO kablam!    |
Oct 13 18:06:54.994 INFO kablam! 61 |     r = r.delete((8..12));
Oct 13 18:06:54.994 INFO kablam!    |                  ^^^^^^^ help: remove these parentheses
Oct 13 18:06:54.994 INFO kablam!    |
Oct 13 18:06:54.994 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 13 18:06:54.994 INFO kablam! 
Oct 13 18:06:54.994 INFO kablam! warning: unnecessary parentheses around method argument
Oct 13 18:06:54.994 INFO kablam!   --> src/test/mod.rs:68:18
Oct 13 18:06:54.994 INFO kablam!    |
Oct 13 18:06:54.994 INFO kablam! 68 |     r = r.delete((0..0));
Oct 13 18:06:54.994 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Oct 13 18:06:54.994 INFO kablam! 
Oct 13 18:06:54.994 INFO kablam! warning: unnecessary parentheses around method argument
Oct 13 18:06:54.994 INFO kablam!    --> src/test/mod.rs:117:14
Oct 13 18:06:54.994 INFO kablam!     |
Oct 13 18:06:54.994 INFO kablam! 117 |     r.delete((12..8)); // lol, fuck you
Oct 13 18:06:54.994 INFO kablam!     |              ^^^^^^^ help: remove these parentheses
Oct 13 18:06:54.994 INFO kablam! 
Oct 13 18:06:55.004 INFO kablam! warning: unused import: `super::*`
Oct 13 18:06:55.004 INFO kablam!    --> src/slice.rs:710:9
Oct 13 18:06:55.004 INFO kablam!     |
Oct 13 18:06:55.004 INFO kablam! 710 |     use super::*;
Oct 13 18:06:55.004 INFO kablam!     |         ^^^^^^^^
Oct 13 18:06:55.004 INFO kablam! 
Oct 13 18:06:55.881 INFO kablam! warning: unused variable: `left`
Oct 13 18:06:55.881 INFO kablam!   --> src/internals/test.rs:49:10
Oct 13 18:06:55.882 INFO kablam!    |
Oct 13 18:06:55.882 INFO kablam! 49 |     let (left, right) = b.split(Line(1));
Oct 13 18:06:55.882 INFO kablam!    |          ^^^^ help: consider using `_left` instead
Oct 13 18:06:55.882 INFO kablam!    |
Oct 13 18:06:55.883 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 18:06:55.883 INFO kablam! 
Oct 13 18:06:55.883 INFO kablam! warning: unused variable: `right`
Oct 13 18:06:55.883 INFO kablam!   --> src/internals/test.rs:49:16
Oct 13 18:06:55.884 INFO kablam!    |
Oct 13 18:06:55.884 INFO kablam! 49 |     let (left, right) = b.split(Line(1));
Oct 13 18:06:55.884 INFO kablam!    |                ^^^^^ help: consider using `_right` instead
Oct 13 18:06:55.885 INFO kablam! 
Oct 13 18:06:55.908 INFO kablam! warning: variable does not need to be mutable
Oct 13 18:06:55.909 INFO kablam!    --> src/lib.rs:762:46
Oct 13 18:06:55.909 INFO kablam!     |
Oct 13 18:06:55.909 INFO kablam! 762 |                               .scan(0, move |mut l, i|  {
Oct 13 18:06:55.909 INFO kablam!     |                                              ----^
Oct 13 18:06:55.909 INFO kablam!     |                                              |
Oct 13 18:06:55.909 INFO kablam!     |                                              help: remove this `mut`
Oct 13 18:06:55.909 INFO kablam!     |
Oct 13 18:06:55.916 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 18:06:55.916 INFO kablam! 
Oct 13 18:06:55.932 INFO kablam! warning: variable does not need to be mutable
Oct 13 18:06:55.932 INFO kablam!   --> src/test/mod.rs:28:9
Oct 13 18:06:55.932 INFO kablam!    |
Oct 13 18:06:55.932 INFO kablam! 28 |     let mut rope = Rope::from("this is\n\
Oct 13 18:06:55.932 INFO kablam!    |         ----^^^^
Oct 13 18:06:55.932 INFO kablam!    |         |
Oct 13 18:06:55.932 INFO kablam!    |         help: remove this `mut`
Oct 13 18:06:55.932 INFO kablam! 
Oct 13 18:06:55.936 INFO kablam! warning: variable does not need to be mutable
Oct 13 18:06:55.936 INFO kablam!   --> src/test/mod.rs:44:9
Oct 13 18:06:55.936 INFO kablam!    |
Oct 13 18:06:55.936 INFO kablam! 44 |     let mut rope = Rope::from("this is\n\
Oct 13 18:06:55.936 INFO kablam!    |         ----^^^^
Oct 13 18:06:55.936 INFO kablam!    |         |
Oct 13 18:06:55.936 INFO kablam!    |         help: remove this `mut`
Oct 13 18:06:55.936 INFO kablam! 
Oct 13 18:06:55.940 INFO kablam! warning: variable does not need to be mutable
Oct 13 18:06:55.940 INFO kablam!    --> src/test/mod.rs:116:9
Oct 13 18:06:55.940 INFO kablam!     |
Oct 13 18:06:55.940 INFO kablam! 116 |     let mut r = Rope::from("this is not fine");
Oct 13 18:06:55.940 INFO kablam!     |         ----^
Oct 13 18:06:55.940 INFO kablam!     |         |
Oct 13 18:06:55.940 INFO kablam!     |         help: remove this `mut`
Oct 13 18:06:55.940 INFO kablam! 
Oct 13 18:06:55.980 INFO kablam! warning: variable does not need to be mutable
Oct 13 18:06:55.980 INFO kablam!    --> src/test/mod.rs:476:17
Oct 13 18:06:55.980 INFO kablam!     |
Oct 13 18:06:55.980 INFO kablam! 476 |             let mut rope = Rope::from(a.clone());
Oct 13 18:06:55.980 INFO kablam!     |                 ----^^^^
Oct 13 18:06:55.980 INFO kablam!     |                 |
Oct 13 18:06:55.980 INFO kablam!     |                 help: remove this `mut`
Oct 13 18:06:55.980 INFO kablam! 
Oct 13 18:06:56.194 INFO kablam! warning: function is never used: `line_delete_test_1`
Oct 13 18:06:56.194 INFO kablam!   --> src/test/mod.rs:26:1
Oct 13 18:06:56.194 INFO kablam!    |
Oct 13 18:06:56.194 INFO kablam! 26 | fn line_delete_test_1() {
Oct 13 18:06:56.194 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 18:06:56.194 INFO kablam!    |
Oct 13 18:06:56.194 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 18:06:56.194 INFO kablam! 
Oct 13 18:06:56.194 INFO kablam! warning: function is never used: `line_delete_test_2`
Oct 13 18:06:56.194 INFO kablam!   --> src/test/mod.rs:42:1
Oct 13 18:06:56.194 INFO kablam!    |
Oct 13 18:06:56.194 INFO kablam! 42 | fn line_delete_test_2() {
Oct 13 18:06:56.194 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 18:06:56.194 INFO kablam! 
Oct 13 18:06:56.194 INFO kablam! warning: function is never used: `debug_test_1`
Oct 13 18:06:56.194 INFO kablam!    --> src/test/mod.rs:125:5
Oct 13 18:06:56.194 INFO kablam!     |
Oct 13 18:06:56.194 INFO kablam! 125 |     fn debug_test_1() {
Oct 13 18:06:56.194 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Oct 13 18:06:56.194 INFO kablam! 
Oct 13 18:06:56.194 INFO kablam! warning: function is never used: `debug_test_2`
Oct 13 18:06:56.194 INFO kablam!    --> src/test/mod.rs:131:5
Oct 13 18:06:56.194 INFO kablam!     |
Oct 13 18:06:56.194 INFO kablam! 131 |     fn debug_test_2() {
Oct 13 18:06:56.194 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Oct 13 18:06:56.195 INFO kablam! 
Oct 13 18:06:56.195 INFO kablam! warning: function is never used: `debug_test_3`
Oct 13 18:06:56.195 INFO kablam!    --> src/test/mod.rs:137:5
Oct 13 18:06:56.195 INFO kablam!     |
Oct 13 18:06:56.195 INFO kablam! 137 |     fn debug_test_3() {
Oct 13 18:06:56.195 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Oct 13 18:06:56.195 INFO kablam! 
Oct 13 18:06:56.195 INFO kablam! warning: function is never used: `rope_indexing_is_string_indexing`
Oct 13 18:06:56.195 INFO kablam!    --> src/test/mod.rs:446:5
Oct 13 18:06:56.195 INFO kablam!     |
Oct 13 18:06:56.195 INFO kablam! 446 |     fn rope_indexing_is_string_indexing() {
Oct 13 18:06:56.195 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 18:06:56.195 INFO kablam! 
Oct 13 18:06:56.195 INFO kablam! warning: function is never used: `rope_insert_char_is_string_insert_char`
Oct 13 18:06:56.195 INFO kablam!    --> src/test/mod.rs:462:5
Oct 13 18:06:56.195 INFO kablam!     |
Oct 13 18:06:56.195 INFO kablam! 462 |     fn rope_insert_char_is_string_insert_char() {
Oct 13 18:06:56.195 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 18:06:56.195 INFO kablam! 
Oct 13 18:06:56.195 INFO kablam! warning: constant item is never used: `TEST_WORD`
Oct 13 18:06:56.195 INFO kablam!     --> src/unicode/test/testdata.rs:520:5
Oct 13 18:06:56.195 INFO kablam!      |
Oct 13 18:06:56.195 INFO kablam! 520  | /     pub const TEST_WORD: &'static [(&'static str, &'static [&'static str])] = &[
Oct 13 18:06:56.195 INFO kablam! 521  | |         ("\u{1}\u{1}", &["\u{1}", "\u{1}"]), ("\u{1}\u{308}\u{1}", &["\u{1}\u{308}", "\u{1}"]),
Oct 13 18:06:56.195 INFO kablam! 522  | |         ("\u{1}\u{d}", &["\u{1}", "\u{d}"]), ("\u{1}\u{308}\u{d}", &["\u{1}\u{308}", "\u{d}"]),
Oct 13 18:06:56.195 INFO kablam! 523  | |         ("\u{1}\u{a}", &["\u{1}", "\u{a}"]), ("\u{1}\u{308}\u{a}", &["\u{1}\u{308}", "\u{a}"]),
Oct 13 18:06:56.195 INFO kablam! ...    |
Oct 13 18:06:56.195 INFO kablam! 2056 | |         "\u{2c}", "\u{2c}", "\u{61}"])
Oct 13 18:06:56.195 INFO kablam! 2057 | |     ];
Oct 13 18:06:56.195 INFO kablam!      | |______^
Oct 13 18:06:56.195 INFO kablam! 
Oct 13 18:06:56.195 INFO kablam! warning: method is never used: `nodes`
Oct 13 18:06:56.195 INFO kablam!    --> src/internals/mod.rs:446:5
Oct 13 18:06:56.195 INFO kablam!     |
Oct 13 18:06:56.196 INFO kablam! 446 |     fn nodes(&self) -> Nodes {
Oct 13 18:06:56.196 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 18:06:56.196 INFO kablam! 
Oct 13 18:06:56.196 INFO kablam! warning: struct is never constructed: `Nodes`
Oct 13 18:06:56.196 INFO kablam!    --> src/internals/mod.rs:645:1
Oct 13 18:06:56.196 INFO kablam!     |
Oct 13 18:06:56.196 INFO kablam! 645 | struct Nodes<'a>(Vec<&'a Node>);
Oct 13 18:06:56.196 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 18:06:56.196 INFO kablam! 
Oct 13 18:06:56.197 INFO kablam! warning: unused attribute
Oct 13 18:06:56.197 INFO kablam!   --> src/test/mod.rs:25:1
Oct 13 18:06:56.197 INFO kablam!    |
Oct 13 18:06:56.197 INFO kablam! 25 | #[ignore]
Oct 13 18:06:56.197 INFO kablam!    | ^^^^^^^^^
Oct 13 18:06:56.197 INFO kablam!    |
Oct 13 18:06:56.197 INFO kablam!    = note: #[warn(unused_attributes)] on by default
Oct 13 18:06:56.197 INFO kablam! 
Oct 13 18:06:56.198 INFO kablam! warning: unused attribute
Oct 13 18:06:56.198 INFO kablam!   --> src/test/mod.rs:41:1
Oct 13 18:06:56.198 INFO kablam!    |
Oct 13 18:06:56.198 INFO kablam! 41 | #[ignore]
Oct 13 18:06:56.198 INFO kablam!    | ^^^^^^^^^
Oct 13 18:06:56.198 INFO kablam! 
Oct 13 18:06:56.216 INFO kablam! warning: unused attribute
Oct 13 18:06:56.216 INFO kablam!    --> src/test/mod.rs:114:1
Oct 13 18:06:56.216 INFO kablam!     |
Oct 13 18:06:56.216 INFO kablam! 114 | #[should_panic]
Oct 13 18:06:56.216 INFO kablam!     | ^^^^^^^^^^^^^^^
Oct 13 18:06:56.216 INFO kablam! 
Oct 13 18:06:56.216 INFO kablam! warning: unused attribute
Oct 13 18:06:56.216 INFO kablam!    --> src/test/mod.rs:124:5
Oct 13 18:06:56.216 INFO kablam!     |
Oct 13 18:06:56.216 INFO kablam! 124 |     #[ignore]
Oct 13 18:06:56.216 INFO kablam!     |     ^^^^^^^^^
Oct 13 18:06:56.216 INFO kablam! 
Oct 13 18:06:56.216 INFO kablam! warning: unused attribute
Oct 13 18:06:56.216 INFO kablam!    --> src/test/mod.rs:130:5
Oct 13 18:06:56.216 INFO kablam!     |
Oct 13 18:06:56.216 INFO kablam! 130 |     #[ignore]
Oct 13 18:06:56.216 INFO kablam!     |     ^^^^^^^^^
Oct 13 18:06:56.224 INFO kablam! 
Oct 13 18:06:56.224 INFO kablam! warning: unused attribute
Oct 13 18:06:56.225 INFO kablam!    --> src/test/mod.rs:136:5
Oct 13 18:06:56.225 INFO kablam!     |
Oct 13 18:06:56.225 INFO kablam! 136 |     #[ignore]
Oct 13 18:06:56.225 INFO kablam!     |     ^^^^^^^^^
Oct 13 18:06:56.225 INFO kablam! 
Oct 13 18:06:56.225 INFO kablam! warning: unused attribute
Oct 13 18:06:56.225 INFO kablam!    --> src/test/mod.rs:445:5
Oct 13 18:06:56.226 INFO kablam!     |
Oct 13 18:06:56.226 INFO kablam! 445 |     #[ignore]
Oct 13 18:06:56.226 INFO kablam!     |     ^^^^^^^^^
Oct 13 18:06:56.226 INFO kablam! 
Oct 13 18:06:56.226 INFO kablam! warning: unused attribute
Oct 13 18:06:56.226 INFO kablam!    --> src/test/mod.rs:461:5
Oct 13 18:06:56.227 INFO kablam!     |
Oct 13 18:06:56.227 INFO kablam! 461 |     #[ignore]
Oct 13 18:06:56.227 INFO kablam!     |     ^^^^^^^^^
Oct 13 18:06:56.227 INFO kablam! 
Oct 13 18:06:56.227 INFO kablam! warning: module `FromIterator` should have a snake case name such as `from_iterator`
Oct 13 18:06:56.227 INFO kablam!    --> src/test/mod.rs:614:5
Oct 13 18:06:56.227 INFO kablam!     |
Oct 13 18:06:56.228 INFO kablam! 614 | /     mod FromIterator {
Oct 13 18:06:56.228 INFO kablam! 615 | |         use ::Rope;
Oct 13 18:06:56.228 INFO kablam! 616 | |         quickcheck! {
Oct 13 18:06:56.228 INFO kablam! 617 | |             fn prop_strings_concat(v: Vec<String>) -> bool {
Oct 13 18:06:56.228 INFO kablam! ...   |
Oct 13 18:06:56.228 INFO kablam! 709 | |
Oct 13 18:06:56.229 INFO kablam! 710 | |     }
Oct 13 18:06:56.229 INFO kablam!     | |_____^
Oct 13 18:06:56.229 INFO kablam!     |
Oct 13 18:06:56.229 INFO kablam!     = note: #[warn(non_snake_case)] on by default
Oct 13 18:06:56.229 INFO kablam! 
Oct 13 18:06:56.480 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.96s
Oct 13 18:06:56.481 INFO kablam! su: No module specific data is present
Oct 13 18:06:57.628 INFO running `"docker" "rm" "-f" "0f32209087e325afa5a3441018e08e26d11d015e29b65f83f505923e40b5cdaa"`
Oct 13 18:06:57.896 INFO blam! 0f32209087e325afa5a3441018e08e26d11d015e29b65f83f505923e40b5cdaa