Sep 17 19:54:48.614 INFO checking png-0.5.2 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 19:54:48.614 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 19:54:48.614 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-2/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 19:54:48.805 INFO blam! e2c26a9d95a4f34af4e9e1829e9d1398ac909f5d1cb21ec869bce42a2db5567d
Sep 17 19:54:48.807 INFO running `"docker" "start" "-a" "e2c26a9d95a4f34af4e9e1829e9d1398ac909f5d1cb21ec869bce42a2db5567d"`
Sep 17 19:54:49.800 INFO kablam! usermod: no changes
Sep 17 19:54:50.056 INFO kablam!     Checking debug-builders v0.1.0
Sep 17 19:54:50.058 INFO kablam!    Compiling wayland-client v0.5.12
Sep 17 19:54:50.059 INFO kablam!    Compiling glutin v0.5.2
Sep 17 19:54:50.059 INFO kablam!    Compiling glium v0.14.0
Sep 17 19:54:50.061 INFO kablam!     Checking png v0.5.2 (/source)
Sep 17 19:54:50.451 INFO kablam! warning: unnecessary parentheses around method argument
Sep 17 19:54:50.451 INFO kablam!    --> src/filter.rs:111:54
Sep 17 19:54:50.451 INFO kablam!     |
Sep 17 19:54:50.451 INFO kablam! 111 |                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
Sep 17 19:54:50.451 INFO kablam!     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 17 19:54:50.451 INFO kablam!     |
Sep 17 19:54:50.451 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 17 19:54:50.451 INFO kablam! 
Sep 17 19:54:50.544 INFO kablam!     Checking backtrace v0.1.8
Sep 17 19:54:51.263 INFO kablam! warning: unused import: `Read`
Sep 17 19:54:51.263 INFO kablam!  --> src/decoder/stream.rs:6:21
Sep 17 19:54:51.263 INFO kablam!   |
Sep 17 19:54:51.263 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 17 19:54:51.263 INFO kablam!   |                     ^^^^
Sep 17 19:54:51.263 INFO kablam!   |
Sep 17 19:54:51.263 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 17 19:54:51.263 INFO kablam! 
Sep 17 19:54:51.263 INFO kablam! warning: unused import: `Write`
Sep 17 19:54:51.263 INFO kablam!  --> src/decoder/stream.rs:6:27
Sep 17 19:54:51.263 INFO kablam!   |
Sep 17 19:54:51.263 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 17 19:54:51.263 INFO kablam!   |                           ^^^^^
Sep 17 19:54:51.263 INFO kablam! 
Sep 17 19:54:51.263 INFO kablam! warning: unused import: `AsRef`
Sep 17 19:54:51.263 INFO kablam!  --> src/decoder/stream.rs:8:26
Sep 17 19:54:51.263 INFO kablam!   |
Sep 17 19:54:51.263 INFO kablam! 8 | use std::convert::{From, AsRef};
Sep 17 19:54:51.263 INFO kablam!   |                          ^^^^^
Sep 17 19:54:51.263 INFO kablam! 
Sep 17 19:54:51.263 INFO kablam! warning: unused import: `std::convert::AsRef`
Sep 17 19:54:51.263 INFO kablam!  --> src/decoder/mod.rs:8:5
Sep 17 19:54:51.263 INFO kablam!   |
Sep 17 19:54:51.263 INFO kablam! 8 | use std::convert::AsRef;
Sep 17 19:54:51.263 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 17 19:54:51.263 INFO kablam! 
Sep 17 19:54:51.519 INFO kablam! warning: variable does not need to be mutable
Sep 17 19:54:51.519 INFO kablam!   --> src/traits.rs:18:49
Sep 17 19:54:51.519 INFO kablam!    |
Sep 17 19:54:51.519 INFO kablam! 18 | fn read_all<R: io::Read + ?Sized>(this: &mut R, mut buf: &mut [u8]) -> io::Result<()> {
Sep 17 19:54:51.519 INFO kablam!    |                                                 ----^^^
Sep 17 19:54:51.519 INFO kablam!    |                                                 |
Sep 17 19:54:51.519 INFO kablam!    |                                                 help: remove this `mut`
Sep 17 19:54:51.519 INFO kablam!    |
Sep 17 19:54:51.519 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 17 19:54:51.519 INFO kablam! 
Sep 17 19:54:58.191 INFO kablam!     Checking wayland-window v0.2.3
Sep 17 19:54:58.191 INFO kablam!     Checking wayland-kbd v0.3.6
Sep 17 19:55:23.575 INFO kablam! warning: unnecessary parentheses around method argument
Sep 17 19:55:23.575 INFO kablam!    --> src/filter.rs:111:54
Sep 17 19:55:23.575 INFO kablam!     |
Sep 17 19:55:23.575 INFO kablam! 111 |                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
Sep 17 19:55:23.575 INFO kablam!     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 17 19:55:23.575 INFO kablam!     |
Sep 17 19:55:23.575 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 17 19:55:23.575 INFO kablam! 
Sep 17 19:55:23.899 INFO kablam! warning: unused `#[macro_use]` import
Sep 17 19:55:23.899 INFO kablam!  --> examples/show.rs:1:1
Sep 17 19:55:23.899 INFO kablam!   |
Sep 17 19:55:23.899 INFO kablam! 1 | #[macro_use]
Sep 17 19:55:23.899 INFO kablam!   | ^^^^^^^^^^^^
Sep 17 19:55:23.899 INFO kablam!   |
Sep 17 19:55:23.899 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 17 19:55:23.899 INFO kablam! 
Sep 17 19:55:24.390 INFO kablam! warning: unused import: `Read`
Sep 17 19:55:24.391 INFO kablam!  --> src/decoder/stream.rs:6:21
Sep 17 19:55:24.391 INFO kablam!   |
Sep 17 19:55:24.391 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 17 19:55:24.391 INFO kablam!   |                     ^^^^
Sep 17 19:55:24.391 INFO kablam!   |
Sep 17 19:55:24.391 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 17 19:55:24.391 INFO kablam! 
Sep 17 19:55:24.391 INFO kablam! warning: unused import: `Write`
Sep 17 19:55:24.391 INFO kablam!  --> src/decoder/stream.rs:6:27
Sep 17 19:55:24.391 INFO kablam!   |
Sep 17 19:55:24.391 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 17 19:55:24.391 INFO kablam!   |                           ^^^^^
Sep 17 19:55:24.391 INFO kablam! 
Sep 17 19:55:24.391 INFO kablam! warning: unused import: `AsRef`
Sep 17 19:55:24.391 INFO kablam!  --> src/decoder/stream.rs:8:26
Sep 17 19:55:24.391 INFO kablam!   |
Sep 17 19:55:24.391 INFO kablam! 8 | use std::convert::{From, AsRef};
Sep 17 19:55:24.391 INFO kablam!   |                          ^^^^^
Sep 17 19:55:24.391 INFO kablam! 
Sep 17 19:55:24.391 INFO kablam! warning: unused import: `std::convert::AsRef`
Sep 17 19:55:24.391 INFO kablam!  --> src/decoder/mod.rs:8:5
Sep 17 19:55:24.391 INFO kablam!   |
Sep 17 19:55:24.391 INFO kablam! 8 | use std::convert::AsRef;
Sep 17 19:55:24.391 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 17 19:55:24.391 INFO kablam! 
Sep 17 19:55:24.563 INFO kablam! warning: variable does not need to be mutable
Sep 17 19:55:24.563 INFO kablam!   --> src/traits.rs:18:49
Sep 17 19:55:24.563 INFO kablam!    |
Sep 17 19:55:24.563 INFO kablam! 18 | fn read_all<R: io::Read + ?Sized>(this: &mut R, mut buf: &mut [u8]) -> io::Result<()> {
Sep 17 19:55:24.563 INFO kablam!    |                                                 ----^^^
Sep 17 19:55:24.563 INFO kablam!    |                                                 |
Sep 17 19:55:24.563 INFO kablam!    |                                                 help: remove this `mut`
Sep 17 19:55:24.563 INFO kablam!    |
Sep 17 19:55:24.563 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 17 19:55:24.563 INFO kablam! 
Sep 17 19:55:24.706 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 34.89s
Sep 17 19:55:24.724 INFO kablam! su: No module specific data is present
Sep 17 19:55:25.962 INFO running `"docker" "rm" "-f" "e2c26a9d95a4f34af4e9e1829e9d1398ac909f5d1cb21ec869bce42a2db5567d"`
Sep 17 19:55:26.247 INFO blam! e2c26a9d95a4f34af4e9e1829e9d1398ac909f5d1cb21ec869bce42a2db5567d