Sep 06 08:31:47.034 INFO checking copperline-0.3.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 08:31:47.034 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 08:31:47.034 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-0/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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=1000" "-e" "CMD=cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 08:31:47.170 INFO blam! 970c9d4265fcced713a3983310b995c403a5c1d9713d1fe7f097f842c9cb323e
Sep 06 08:31:47.172 INFO running `"docker" "start" "-a" "970c9d4265fcced713a3983310b995c403a5c1d9713d1fe7f097f842c9cb323e"`
Sep 06 08:31:48.207 INFO kablam! usermod: no changes
Sep 06 08:31:48.260 INFO kablam!     Checking strcursor v0.1.0
Sep 06 08:31:48.562 INFO kablam!     Checking copperline v0.3.0 (file:///source)
Sep 06 08:31:49.047 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 06 08:31:49.048 INFO kablam!   --> src/lib.rs:61:26
Sep 06 08:31:49.048 INFO kablam!    |
Sep 06 08:31:49.048 INFO kablam! 61 |                 for _ in (0..len) {
Sep 06 08:31:49.048 INFO kablam!    |                          ^^^^^^^^ help: remove these parentheses
Sep 06 08:31:49.048 INFO kablam!    |
Sep 06 08:31:49.048 INFO kablam!    = note: #[warn(unused_parens)] on by default
Sep 06 08:31:49.048 INFO kablam! 
Sep 06 08:31:49.048 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 06 08:31:49.048 INFO kablam!    --> src/lib.rs:109:26
Sep 06 08:31:49.048 INFO kablam!     |
Sep 06 08:31:49.048 INFO kablam! 109 |                 for _ in (0..len) {
Sep 06 08:31:49.048 INFO kablam!     |                          ^^^^^^^^ help: remove these parentheses
Sep 06 08:31:49.048 INFO kablam! 
Sep 06 08:31:49.082 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 06 08:31:49.082 INFO kablam!   --> src/lib.rs:61:26
Sep 06 08:31:49.082 INFO kablam!    |
Sep 06 08:31:49.082 INFO kablam! 61 |                 for _ in (0..len) {
Sep 06 08:31:49.082 INFO kablam!    |                          ^^^^^^^^ help: remove these parentheses
Sep 06 08:31:49.082 INFO kablam!    |
Sep 06 08:31:49.082 INFO kablam!    = note: #[warn(unused_parens)] on by default
Sep 06 08:31:49.082 INFO kablam! 
Sep 06 08:31:49.082 INFO kablam! warning: unnecessary parentheses around `for` head expression
Sep 06 08:31:49.082 INFO kablam!    --> src/lib.rs:109:26
Sep 06 08:31:49.082 INFO kablam!     |
Sep 06 08:31:49.082 INFO kablam! 109 |                 for _ in (0..len) {
Sep 06 08:31:49.082 INFO kablam!     |                          ^^^^^^^^ help: remove these parentheses
Sep 06 08:31:49.082 INFO kablam! 
Sep 06 08:31:49.258 INFO kablam! warning: unused import: `RawDecoder`
Sep 06 08:31:49.258 INFO kablam!  --> src/parser.rs:3:36
Sep 06 08:31:49.258 INFO kablam!   |
Sep 06 08:31:49.258 INFO kablam! 3 | use encoding::types::{EncodingRef, RawDecoder};
Sep 06 08:31:49.258 INFO kablam!   |                                    ^^^^^^^^^^
Sep 06 08:31:49.258 INFO kablam!   |
Sep 06 08:31:49.258 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 06 08:31:49.258 INFO kablam! 
Sep 06 08:31:49.258 INFO kablam! warning: unused import: `RawDecoder`
Sep 06 08:31:49.258 INFO kablam!  --> src/parser.rs:3:36
Sep 06 08:31:49.258 INFO kablam!   |
Sep 06 08:31:49.258 INFO kablam! 3 | use encoding::types::{EncodingRef, RawDecoder};
Sep 06 08:31:49.258 INFO kablam!   |                                    ^^^^^^^^^^
Sep 06 08:31:49.258 INFO kablam!   |
Sep 06 08:31:49.258 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 06 08:31:49.258 INFO kablam! 
Sep 06 08:31:49.306 INFO kablam! warning: method is never used: `reset`
Sep 06 08:31:49.306 INFO kablam!   --> src/buffer.rs:29:5
Sep 06 08:31:49.306 INFO kablam!    |
Sep 06 08:31:49.306 INFO kablam! 29 |     pub fn reset(&mut self) {
Sep 06 08:31:49.306 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 08:31:49.306 INFO kablam!    |
Sep 06 08:31:49.306 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 06 08:31:49.306 INFO kablam! 
Sep 06 08:31:49.306 INFO kablam! warning: method is never used: `pop`
Sep 06 08:31:49.306 INFO kablam!   --> src/history.rs:67:5
Sep 06 08:31:49.306 INFO kablam!    |
Sep 06 08:31:49.306 INFO kablam! 67 |     pub fn pop(&mut self) -> Option<String> {
Sep 06 08:31:49.306 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 08:31:49.306 INFO kablam! 
Sep 06 08:31:49.314 INFO kablam! warning: method is never used: `reset`
Sep 06 08:31:49.314 INFO kablam!   --> src/buffer.rs:29:5
Sep 06 08:31:49.314 INFO kablam!    |
Sep 06 08:31:49.314 INFO kablam! 29 |     pub fn reset(&mut self) {
Sep 06 08:31:49.314 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 08:31:49.314 INFO kablam!    |
Sep 06 08:31:49.314 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 06 08:31:49.314 INFO kablam! 
Sep 06 08:31:49.314 INFO kablam! warning: method is never used: `pop`
Sep 06 08:31:49.314 INFO kablam!   --> src/history.rs:67:5
Sep 06 08:31:49.314 INFO kablam!    |
Sep 06 08:31:49.314 INFO kablam! 67 |     pub fn pop(&mut self) -> Option<String> {
Sep 06 08:31:49.314 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 08:31:49.314 INFO kablam! 
Sep 06 08:31:49.976 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
Sep 06 08:31:49.993 INFO kablam! su: No module specific data is present
Sep 06 08:31:50.794 INFO running `"docker" "rm" "-f" "970c9d4265fcced713a3983310b995c403a5c1d9713d1fe7f097f842c9cb323e"`
Sep 06 08:31:50.913 INFO blam! 970c9d4265fcced713a3983310b995c403a5c1d9713d1fe7f097f842c9cb323e