Sep 10 12:51:51.906 INFO checking png-0.5.2 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 12:51:51.906 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 12:51:51.906 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 12:51:52.142 INFO blam! 562e84d720dcd7889db02b641425bf62161d1a6d45eeaca93270079ee6b91a8b
Sep 10 12:51:52.144 INFO running `"docker" "start" "-a" "562e84d720dcd7889db02b641425bf62161d1a6d45eeaca93270079ee6b91a8b"`
Sep 10 12:51:53.307 INFO kablam! usermod: no changes
Sep 10 12:51:53.634 INFO kablam!    Compiling glium v0.14.0
Sep 10 12:51:53.642 INFO kablam!     Checking png v0.5.2 (file:///source)
Sep 10 12:51:54.146 INFO kablam! warning: unnecessary parentheses around method argument
Sep 10 12:51:54.146 INFO kablam!    --> src/filter.rs:111:54
Sep 10 12:51:54.146 INFO kablam!     |
Sep 10 12:51:54.146 INFO kablam! 111 |                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
Sep 10 12:51:54.146 INFO kablam!     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 10 12:51:54.146 INFO kablam!     |
Sep 10 12:51:54.146 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 10 12:51:54.146 INFO kablam! 
Sep 10 12:51:54.714 INFO kablam! warning: unused import: `Read`
Sep 10 12:51:54.714 INFO kablam!  --> src/decoder/stream.rs:6:21
Sep 10 12:51:54.714 INFO kablam!   |
Sep 10 12:51:54.714 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 10 12:51:54.714 INFO kablam!   |                     ^^^^
Sep 10 12:51:54.714 INFO kablam!   |
Sep 10 12:51:54.714 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 12:51:54.714 INFO kablam! 
Sep 10 12:51:54.714 INFO kablam! warning: unused import: `Write`
Sep 10 12:51:54.714 INFO kablam!  --> src/decoder/stream.rs:6:27
Sep 10 12:51:54.714 INFO kablam!   |
Sep 10 12:51:54.714 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 10 12:51:54.714 INFO kablam!   |                           ^^^^^
Sep 10 12:51:54.714 INFO kablam! 
Sep 10 12:51:54.714 INFO kablam! warning: unused import: `AsRef`
Sep 10 12:51:54.714 INFO kablam!  --> src/decoder/stream.rs:8:26
Sep 10 12:51:54.714 INFO kablam!   |
Sep 10 12:51:54.714 INFO kablam! 8 | use std::convert::{From, AsRef};
Sep 10 12:51:54.714 INFO kablam!   |                          ^^^^^
Sep 10 12:51:54.714 INFO kablam! 
Sep 10 12:51:54.714 INFO kablam! warning: unused import: `std::convert::AsRef`
Sep 10 12:51:54.714 INFO kablam!  --> src/decoder/mod.rs:8:5
Sep 10 12:51:54.714 INFO kablam!   |
Sep 10 12:51:54.714 INFO kablam! 8 | use std::convert::AsRef;
Sep 10 12:51:54.714 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 10 12:51:54.714 INFO kablam! 
Sep 10 12:51:54.882 INFO kablam! warning: variable does not need to be mutable
Sep 10 12:51:54.882 INFO kablam!   --> src/traits.rs:18:49
Sep 10 12:51:54.882 INFO kablam!    |
Sep 10 12:51:54.882 INFO kablam! 18 | fn read_all<R: io::Read + ?Sized>(this: &mut R, mut buf: &mut [u8]) -> io::Result<()> {
Sep 10 12:51:54.882 INFO kablam!    |                                                 ----^^^
Sep 10 12:51:54.882 INFO kablam!    |                                                 |
Sep 10 12:51:54.882 INFO kablam!    |                                                 help: remove this `mut`
Sep 10 12:51:54.882 INFO kablam!    |
Sep 10 12:51:54.882 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 12:51:54.882 INFO kablam! 
Sep 10 12:53:09.942 INFO kablam! warning: unnecessary parentheses around method argument
Sep 10 12:53:09.942 INFO kablam!    --> src/filter.rs:111:54
Sep 10 12:53:09.942 INFO kablam!     |
Sep 10 12:53:09.942 INFO kablam! 111 |                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
Sep 10 12:53:09.942 INFO kablam!     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 10 12:53:09.950 INFO kablam!     |
Sep 10 12:53:09.950 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 10 12:53:09.950 INFO kablam! 
Sep 10 12:53:10.606 INFO kablam! warning: unused `#[macro_use]` import
Sep 10 12:53:10.606 INFO kablam!  --> examples/show.rs:1:1
Sep 10 12:53:10.606 INFO kablam!   |
Sep 10 12:53:10.606 INFO kablam! 1 | #[macro_use]
Sep 10 12:53:10.606 INFO kablam!   | ^^^^^^^^^^^^
Sep 10 12:53:10.606 INFO kablam!   |
Sep 10 12:53:10.606 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 12:53:10.606 INFO kablam! 
Sep 10 12:53:11.022 INFO kablam! warning: unused import: `Read`
Sep 10 12:53:11.022 INFO kablam!  --> src/decoder/stream.rs:6:21
Sep 10 12:53:11.022 INFO kablam!   |
Sep 10 12:53:11.022 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 10 12:53:11.022 INFO kablam!   |                     ^^^^
Sep 10 12:53:11.022 INFO kablam!   |
Sep 10 12:53:11.022 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 12:53:11.022 INFO kablam! 
Sep 10 12:53:11.022 INFO kablam! warning: unused import: `Write`
Sep 10 12:53:11.022 INFO kablam!  --> src/decoder/stream.rs:6:27
Sep 10 12:53:11.022 INFO kablam!   |
Sep 10 12:53:11.022 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 10 12:53:11.022 INFO kablam!   |                           ^^^^^
Sep 10 12:53:11.022 INFO kablam! 
Sep 10 12:53:11.022 INFO kablam! warning: unused import: `AsRef`
Sep 10 12:53:11.022 INFO kablam!  --> src/decoder/stream.rs:8:26
Sep 10 12:53:11.022 INFO kablam!   |
Sep 10 12:53:11.022 INFO kablam! 8 | use std::convert::{From, AsRef};
Sep 10 12:53:11.022 INFO kablam!   |                          ^^^^^
Sep 10 12:53:11.022 INFO kablam! 
Sep 10 12:53:11.022 INFO kablam! warning: unused import: `std::convert::AsRef`
Sep 10 12:53:11.022 INFO kablam!  --> src/decoder/mod.rs:8:5
Sep 10 12:53:11.022 INFO kablam!   |
Sep 10 12:53:11.022 INFO kablam! 8 | use std::convert::AsRef;
Sep 10 12:53:11.022 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 10 12:53:11.022 INFO kablam! 
Sep 10 12:53:11.212 INFO kablam! warning: variable does not need to be mutable
Sep 10 12:53:11.212 INFO kablam!   --> src/traits.rs:18:49
Sep 10 12:53:11.212 INFO kablam!    |
Sep 10 12:53:11.212 INFO kablam! 18 | fn read_all<R: io::Read + ?Sized>(this: &mut R, mut buf: &mut [u8]) -> io::Result<()> {
Sep 10 12:53:11.212 INFO kablam!    |                                                 ----^^^
Sep 10 12:53:11.212 INFO kablam!    |                                                 |
Sep 10 12:53:11.212 INFO kablam!    |                                                 help: remove this `mut`
Sep 10 12:53:11.212 INFO kablam!    |
Sep 10 12:53:11.212 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 12:53:11.212 INFO kablam! 
Sep 10 12:53:11.325 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
Sep 10 12:53:11.336 INFO kablam! su: No module specific data is present
Sep 10 12:53:11.879 INFO running `"docker" "rm" "-f" "562e84d720dcd7889db02b641425bf62161d1a6d45eeaca93270079ee6b91a8b"`
Sep 10 12:53:11.978 INFO blam! 562e84d720dcd7889db02b641425bf62161d1a6d45eeaca93270079ee6b91a8b