Nov 03 11:28:45.262 INFO checking an-rope-0.3.1 against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 03 11:28:45.262 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-2/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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"`
Nov 03 11:28:45.586 INFO blam! 0e8f91766aeea6a4000c358edc3f9239269c7d1ef756268a7c44e2baff6f559f
Nov 03 11:28:45.586 INFO running `"docker" "start" "-a" "0e8f91766aeea6a4000c358edc3f9239269c7d1ef756268a7c44e2baff6f559f"`
Nov 03 11:28:46.742 INFO kablam! usermod: no changes
Nov 03 11:28:46.920 INFO kablam!     Checking macro-attr v0.2.0
Nov 03 11:28:47.524 INFO kablam!     Checking an-rope v0.3.1 (/source)
Nov 03 11:28:48.729 INFO kablam! warning: variable does not need to be mutable
Nov 03 11:28:48.729 INFO kablam!    --> src/lib.rs:762:46
Nov 03 11:28:48.729 INFO kablam!     |
Nov 03 11:28:48.730 INFO kablam! 762 |                               .scan(0, move |mut l, i|  {
Nov 03 11:28:48.730 INFO kablam!     |                                              ----^
Nov 03 11:28:48.730 INFO kablam!     |                                              |
Nov 03 11:28:48.731 INFO kablam!     |                                              help: remove this `mut`
Nov 03 11:28:48.732 INFO kablam!     |
Nov 03 11:28:48.732 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 03 11:28:48.732 INFO kablam! 
Nov 03 11:28:48.848 INFO kablam! warning: method is never used: `nodes`
Nov 03 11:28:48.848 INFO kablam!    --> src/internals/mod.rs:446:5
Nov 03 11:28:48.848 INFO kablam!     |
Nov 03 11:28:48.848 INFO kablam! 446 |     fn nodes(&self) -> Nodes {
Nov 03 11:28:48.848 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 11:28:48.848 INFO kablam!     |
Nov 03 11:28:48.848 INFO kablam!     = note: #[warn(dead_code)] on by default
Nov 03 11:28:48.848 INFO kablam! 
Nov 03 11:28:48.848 INFO kablam! warning: struct is never constructed: `Nodes`
Nov 03 11:28:48.848 INFO kablam!    --> src/internals/mod.rs:645:1
Nov 03 11:28:48.848 INFO kablam!     |
Nov 03 11:28:48.848 INFO kablam! 645 | struct Nodes<'a>(Vec<&'a Node>);
Nov 03 11:28:48.848 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 11:28:48.848 INFO kablam! 
Nov 03 11:28:49.640 INFO kablam! warning: unused import: `metric::Line`
Nov 03 11:28:49.640 INFO kablam!  --> src/test/mod.rs:4:5
Nov 03 11:28:49.640 INFO kablam!   |
Nov 03 11:28:49.640 INFO kablam! 4 | use metric::Line;
Nov 03 11:28:49.640 INFO kablam!   |     ^^^^^^^^^^^^
Nov 03 11:28:49.640 INFO kablam!   |
Nov 03 11:28:49.640 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 03 11:28:49.640 INFO kablam! 
Nov 03 11:28:49.640 INFO kablam! warning: unused import: `metric::Measured`
Nov 03 11:28:49.640 INFO kablam!  --> src/test/mod.rs:5:5
Nov 03 11:28:49.640 INFO kablam!   |
Nov 03 11:28:49.640 INFO kablam! 5 | use metric::Measured;
Nov 03 11:28:49.640 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Nov 03 11:28:49.640 INFO kablam! 
Nov 03 11:28:49.641 INFO kablam! warning: unnecessary parentheses around method argument
Nov 03 11:28:49.641 INFO kablam!   --> src/test/mod.rs:61:18
Nov 03 11:28:49.641 INFO kablam!    |
Nov 03 11:28:49.641 INFO kablam! 61 |     r = r.delete((8..12));
Nov 03 11:28:49.641 INFO kablam!    |                  ^^^^^^^ help: remove these parentheses
Nov 03 11:28:49.641 INFO kablam!    |
Nov 03 11:28:49.641 INFO kablam!    = note: #[warn(unused_parens)] on by default
Nov 03 11:28:49.641 INFO kablam! 
Nov 03 11:28:49.641 INFO kablam! warning: unnecessary parentheses around method argument
Nov 03 11:28:49.641 INFO kablam!   --> src/test/mod.rs:68:18
Nov 03 11:28:49.641 INFO kablam!    |
Nov 03 11:28:49.641 INFO kablam! 68 |     r = r.delete((0..0));
Nov 03 11:28:49.641 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Nov 03 11:28:49.641 INFO kablam! 
Nov 03 11:28:49.641 INFO kablam! warning: unnecessary parentheses around method argument
Nov 03 11:28:49.641 INFO kablam!    --> src/test/mod.rs:117:14
Nov 03 11:28:49.641 INFO kablam!     |
Nov 03 11:28:49.641 INFO kablam! 117 |     r.delete((12..8)); // lol, fuck you
Nov 03 11:28:49.641 INFO kablam!     |              ^^^^^^^ help: remove these parentheses
Nov 03 11:28:49.641 INFO kablam! 
Nov 03 11:28:49.648 INFO kablam! warning: unused import: `super::*`
Nov 03 11:28:49.648 INFO kablam!    --> src/slice.rs:710:9
Nov 03 11:28:49.648 INFO kablam!     |
Nov 03 11:28:49.648 INFO kablam! 710 |     use super::*;
Nov 03 11:28:49.648 INFO kablam!     |         ^^^^^^^^
Nov 03 11:28:49.649 INFO kablam! 
Nov 03 11:28:50.492 INFO kablam! warning: unused variable: `left`
Nov 03 11:28:50.492 INFO kablam!   --> src/internals/test.rs:49:10
Nov 03 11:28:50.492 INFO kablam!    |
Nov 03 11:28:50.492 INFO kablam! 49 |     let (left, right) = b.split(Line(1));
Nov 03 11:28:50.492 INFO kablam!    |          ^^^^ help: consider using `_left` instead
Nov 03 11:28:50.492 INFO kablam!    |
Nov 03 11:28:50.492 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 03 11:28:50.492 INFO kablam! 
Nov 03 11:28:50.492 INFO kablam! warning: unused variable: `right`
Nov 03 11:28:50.492 INFO kablam!   --> src/internals/test.rs:49:16
Nov 03 11:28:50.492 INFO kablam!    |
Nov 03 11:28:50.492 INFO kablam! 49 |     let (left, right) = b.split(Line(1));
Nov 03 11:28:50.492 INFO kablam!    |                ^^^^^ help: consider using `_right` instead
Nov 03 11:28:50.492 INFO kablam! 
Nov 03 11:28:50.524 INFO kablam! warning: variable does not need to be mutable
Nov 03 11:28:50.524 INFO kablam!    --> src/lib.rs:762:46
Nov 03 11:28:50.524 INFO kablam!     |
Nov 03 11:28:50.524 INFO kablam! 762 |                               .scan(0, move |mut l, i|  {
Nov 03 11:28:50.524 INFO kablam!     |                                              ----^
Nov 03 11:28:50.524 INFO kablam!     |                                              |
Nov 03 11:28:50.524 INFO kablam!     |                                              help: remove this `mut`
Nov 03 11:28:50.524 INFO kablam!     |
Nov 03 11:28:50.524 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 03 11:28:50.524 INFO kablam! 
Nov 03 11:28:50.549 INFO kablam! warning: variable does not need to be mutable
Nov 03 11:28:50.549 INFO kablam!   --> src/test/mod.rs:28:9
Nov 03 11:28:50.549 INFO kablam!    |
Nov 03 11:28:50.550 INFO kablam! 28 |     let mut rope = Rope::from("this is\n\
Nov 03 11:28:50.550 INFO kablam!    |         ----^^^^
Nov 03 11:28:50.550 INFO kablam!    |         |
Nov 03 11:28:50.550 INFO kablam!    |         help: remove this `mut`
Nov 03 11:28:50.550 INFO kablam! 
Nov 03 11:28:50.551 INFO kablam! warning: variable does not need to be mutable
Nov 03 11:28:50.551 INFO kablam!   --> src/test/mod.rs:44:9
Nov 03 11:28:50.551 INFO kablam!    |
Nov 03 11:28:50.551 INFO kablam! 44 |     let mut rope = Rope::from("this is\n\
Nov 03 11:28:50.551 INFO kablam!    |         ----^^^^
Nov 03 11:28:50.551 INFO kablam!    |         |
Nov 03 11:28:50.551 INFO kablam!    |         help: remove this `mut`
Nov 03 11:28:50.551 INFO kablam! 
Nov 03 11:28:50.554 INFO kablam! warning: variable does not need to be mutable
Nov 03 11:28:50.554 INFO kablam!    --> src/test/mod.rs:116:9
Nov 03 11:28:50.554 INFO kablam!     |
Nov 03 11:28:50.554 INFO kablam! 116 |     let mut r = Rope::from("this is not fine");
Nov 03 11:28:50.554 INFO kablam!     |         ----^
Nov 03 11:28:50.554 INFO kablam!     |         |
Nov 03 11:28:50.554 INFO kablam!     |         help: remove this `mut`
Nov 03 11:28:50.554 INFO kablam! 
Nov 03 11:28:50.603 INFO kablam! warning: variable does not need to be mutable
Nov 03 11:28:50.603 INFO kablam!    --> src/test/mod.rs:476:17
Nov 03 11:28:50.603 INFO kablam!     |
Nov 03 11:28:50.603 INFO kablam! 476 |             let mut rope = Rope::from(a.clone());
Nov 03 11:28:50.603 INFO kablam!     |                 ----^^^^
Nov 03 11:28:50.603 INFO kablam!     |                 |
Nov 03 11:28:50.603 INFO kablam!     |                 help: remove this `mut`
Nov 03 11:28:50.603 INFO kablam! 
Nov 03 11:28:50.830 INFO kablam! warning: function is never used: `line_delete_test_1`
Nov 03 11:28:50.830 INFO kablam!   --> src/test/mod.rs:26:1
Nov 03 11:28:50.830 INFO kablam!    |
Nov 03 11:28:50.830 INFO kablam! 26 | fn line_delete_test_1() {
Nov 03 11:28:50.830 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 11:28:50.830 INFO kablam!    |
Nov 03 11:28:50.830 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 03 11:28:50.830 INFO kablam! 
Nov 03 11:28:50.830 INFO kablam! warning: function is never used: `line_delete_test_2`
Nov 03 11:28:50.831 INFO kablam!   --> src/test/mod.rs:42:1
Nov 03 11:28:50.831 INFO kablam!    |
Nov 03 11:28:50.831 INFO kablam! 42 | fn line_delete_test_2() {
Nov 03 11:28:50.831 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 11:28:50.831 INFO kablam! 
Nov 03 11:28:50.831 INFO kablam! warning: function is never used: `debug_test_1`
Nov 03 11:28:50.831 INFO kablam!    --> src/test/mod.rs:125:5
Nov 03 11:28:50.831 INFO kablam!     |
Nov 03 11:28:50.831 INFO kablam! 125 |     fn debug_test_1() {
Nov 03 11:28:50.831 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Nov 03 11:28:50.831 INFO kablam! 
Nov 03 11:28:50.831 INFO kablam! warning: function is never used: `debug_test_2`
Nov 03 11:28:50.831 INFO kablam!    --> src/test/mod.rs:131:5
Nov 03 11:28:50.831 INFO kablam!     |
Nov 03 11:28:50.831 INFO kablam! 131 |     fn debug_test_2() {
Nov 03 11:28:50.831 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Nov 03 11:28:50.831 INFO kablam! 
Nov 03 11:28:50.831 INFO kablam! warning: function is never used: `debug_test_3`
Nov 03 11:28:50.831 INFO kablam!    --> src/test/mod.rs:137:5
Nov 03 11:28:50.831 INFO kablam!     |
Nov 03 11:28:50.831 INFO kablam! 137 |     fn debug_test_3() {
Nov 03 11:28:50.831 INFO kablam!     |     ^^^^^^^^^^^^^^^^^
Nov 03 11:28:50.831 INFO kablam! 
Nov 03 11:28:50.831 INFO kablam! warning: function is never used: `rope_indexing_is_string_indexing`
Nov 03 11:28:50.831 INFO kablam!    --> src/test/mod.rs:446:5
Nov 03 11:28:50.831 INFO kablam!     |
Nov 03 11:28:50.831 INFO kablam! 446 |     fn rope_indexing_is_string_indexing() {
Nov 03 11:28:50.831 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 11:28:50.831 INFO kablam! 
Nov 03 11:28:50.831 INFO kablam! warning: function is never used: `rope_insert_char_is_string_insert_char`
Nov 03 11:28:50.831 INFO kablam!    --> src/test/mod.rs:462:5
Nov 03 11:28:50.831 INFO kablam!     |
Nov 03 11:28:50.831 INFO kablam! 462 |     fn rope_insert_char_is_string_insert_char() {
Nov 03 11:28:50.831 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 11:28:50.831 INFO kablam! 
Nov 03 11:28:50.831 INFO kablam! warning: constant item is never used: `TEST_WORD`
Nov 03 11:28:50.831 INFO kablam!     --> src/unicode/test/testdata.rs:520:5
Nov 03 11:28:50.831 INFO kablam!      |
Nov 03 11:28:50.831 INFO kablam! 520  | /     pub const TEST_WORD: &'static [(&'static str, &'static [&'static str])] = &[
Nov 03 11:28:50.831 INFO kablam! 521  | |         ("\u{1}\u{1}", &["\u{1}", "\u{1}"]), ("\u{1}\u{308}\u{1}", &["\u{1}\u{308}", "\u{1}"]),
Nov 03 11:28:50.831 INFO kablam! 522  | |         ("\u{1}\u{d}", &["\u{1}", "\u{d}"]), ("\u{1}\u{308}\u{d}", &["\u{1}\u{308}", "\u{d}"]),
Nov 03 11:28:50.831 INFO kablam! 523  | |         ("\u{1}\u{a}", &["\u{1}", "\u{a}"]), ("\u{1}\u{308}\u{a}", &["\u{1}\u{308}", "\u{a}"]),
Nov 03 11:28:50.831 INFO kablam! ...    |
Nov 03 11:28:50.831 INFO kablam! 2056 | |         "\u{2c}", "\u{2c}", "\u{61}"])
Nov 03 11:28:50.831 INFO kablam! 2057 | |     ];
Nov 03 11:28:50.831 INFO kablam!      | |______^
Nov 03 11:28:50.831 INFO kablam! 
Nov 03 11:28:50.832 INFO kablam! warning: method is never used: `nodes`
Nov 03 11:28:50.832 INFO kablam!    --> src/internals/mod.rs:446:5
Nov 03 11:28:50.832 INFO kablam!     |
Nov 03 11:28:50.832 INFO kablam! 446 |     fn nodes(&self) -> Nodes {
Nov 03 11:28:50.832 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 11:28:50.832 INFO kablam! 
Nov 03 11:28:50.832 INFO kablam! warning: struct is never constructed: `Nodes`
Nov 03 11:28:50.832 INFO kablam!    --> src/internals/mod.rs:645:1
Nov 03 11:28:50.832 INFO kablam!     |
Nov 03 11:28:50.832 INFO kablam! 645 | struct Nodes<'a>(Vec<&'a Node>);
Nov 03 11:28:50.832 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 11:28:50.832 INFO kablam! 
Nov 03 11:28:50.841 INFO kablam! warning: unused attribute
Nov 03 11:28:50.841 INFO kablam!   --> src/test/mod.rs:25:1
Nov 03 11:28:50.841 INFO kablam!    |
Nov 03 11:28:50.841 INFO kablam! 25 | #[ignore]
Nov 03 11:28:50.841 INFO kablam!    | ^^^^^^^^^
Nov 03 11:28:50.841 INFO kablam!    |
Nov 03 11:28:50.841 INFO kablam!    = note: #[warn(unused_attributes)] on by default
Nov 03 11:28:50.841 INFO kablam! 
Nov 03 11:28:50.841 INFO kablam! warning: unused attribute
Nov 03 11:28:50.841 INFO kablam!   --> src/test/mod.rs:41:1
Nov 03 11:28:50.841 INFO kablam!    |
Nov 03 11:28:50.841 INFO kablam! 41 | #[ignore]
Nov 03 11:28:50.841 INFO kablam!    | ^^^^^^^^^
Nov 03 11:28:50.841 INFO kablam! 
Nov 03 11:28:50.841 INFO kablam! warning: unused attribute
Nov 03 11:28:50.841 INFO kablam!    --> src/test/mod.rs:114:1
Nov 03 11:28:50.841 INFO kablam!     |
Nov 03 11:28:50.841 INFO kablam! 114 | #[should_panic]
Nov 03 11:28:50.841 INFO kablam!     | ^^^^^^^^^^^^^^^
Nov 03 11:28:50.841 INFO kablam! 
Nov 03 11:28:50.841 INFO kablam! warning: unused attribute
Nov 03 11:28:50.841 INFO kablam!    --> src/test/mod.rs:124:5
Nov 03 11:28:50.841 INFO kablam!     |
Nov 03 11:28:50.841 INFO kablam! 124 |     #[ignore]
Nov 03 11:28:50.841 INFO kablam!     |     ^^^^^^^^^
Nov 03 11:28:50.841 INFO kablam! 
Nov 03 11:28:50.841 INFO kablam! warning: unused attribute
Nov 03 11:28:50.841 INFO kablam!    --> src/test/mod.rs:130:5
Nov 03 11:28:50.841 INFO kablam!     |
Nov 03 11:28:50.841 INFO kablam! 130 |     #[ignore]
Nov 03 11:28:50.841 INFO kablam!     |     ^^^^^^^^^
Nov 03 11:28:50.841 INFO kablam! 
Nov 03 11:28:50.841 INFO kablam! warning: unused attribute
Nov 03 11:28:50.841 INFO kablam!    --> src/test/mod.rs:136:5
Nov 03 11:28:50.841 INFO kablam!     |
Nov 03 11:28:50.841 INFO kablam! 136 |     #[ignore]
Nov 03 11:28:50.841 INFO kablam!     |     ^^^^^^^^^
Nov 03 11:28:50.841 INFO kablam! 
Nov 03 11:28:50.841 INFO kablam! warning: unused attribute
Nov 03 11:28:50.841 INFO kablam!    --> src/test/mod.rs:445:5
Nov 03 11:28:50.841 INFO kablam!     |
Nov 03 11:28:50.841 INFO kablam! 445 |     #[ignore]
Nov 03 11:28:50.841 INFO kablam!     |     ^^^^^^^^^
Nov 03 11:28:50.841 INFO kablam! 
Nov 03 11:28:50.841 INFO kablam! warning: unused attribute
Nov 03 11:28:50.841 INFO kablam!    --> src/test/mod.rs:461:5
Nov 03 11:28:50.841 INFO kablam!     |
Nov 03 11:28:50.841 INFO kablam! 461 |     #[ignore]
Nov 03 11:28:50.841 INFO kablam!     |     ^^^^^^^^^
Nov 03 11:28:50.841 INFO kablam! 
Nov 03 11:28:50.841 INFO kablam! warning: module `FromIterator` should have a snake case name such as `from_iterator`
Nov 03 11:28:50.841 INFO kablam!    --> src/test/mod.rs:614:5
Nov 03 11:28:50.841 INFO kablam!     |
Nov 03 11:28:50.841 INFO kablam! 614 | /     mod FromIterator {
Nov 03 11:28:50.841 INFO kablam! 615 | |         use ::Rope;
Nov 03 11:28:50.841 INFO kablam! 616 | |         quickcheck! {
Nov 03 11:28:50.841 INFO kablam! 617 | |             fn prop_strings_concat(v: Vec<String>) -> bool {
Nov 03 11:28:50.841 INFO kablam! ...   |
Nov 03 11:28:50.841 INFO kablam! 709 | |
Nov 03 11:28:50.841 INFO kablam! 710 | |     }
Nov 03 11:28:50.841 INFO kablam!     | |_____^
Nov 03 11:28:50.841 INFO kablam!     |
Nov 03 11:28:50.841 INFO kablam!     = note: #[warn(non_snake_case)] on by default
Nov 03 11:28:50.841 INFO kablam! 
Nov 03 11:28:51.045 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.27s
Nov 03 11:28:51.051 INFO kablam! su: No module specific data is present
Nov 03 11:28:52.074 INFO running `"docker" "rm" "-f" "0e8f91766aeea6a4000c358edc3f9239269c7d1ef756268a7c44e2baff6f559f"`
Nov 03 11:28:52.415 INFO blam! 0e8f91766aeea6a4000c358edc3f9239269c7d1ef756268a7c44e2baff6f559f