Sep 04 08:02:38.610 INFO checking png-0.5.2 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 08:02:38.610 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 08:02:38.610 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-1/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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=500" "-e" "CMD=cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 08:02:38.761 INFO blam! ec8cb2e44ef9356284f3dce62b843ae4c8b7111be49c223ce857c38f7d80029d
Sep 04 08:02:38.763 INFO running `"docker" "start" "-a" "ec8cb2e44ef9356284f3dce62b843ae4c8b7111be49c223ce857c38f7d80029d"`
Sep 04 08:02:39.509 INFO kablam!    Compiling glium v0.14.0
Sep 04 08:02:39.522 INFO kablam!     Checking png v0.5.2 (file:///source)
Sep 04 08:02:40.482 INFO kablam! warning: unnecessary parentheses around method argument
Sep 04 08:02:40.482 INFO kablam!    --> src/filter.rs:111:54
Sep 04 08:02:40.482 INFO kablam!     |
Sep 04 08:02:40.482 INFO kablam! 111 |                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
Sep 04 08:02:40.482 INFO kablam!     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 04 08:02:40.482 INFO kablam!     |
Sep 04 08:02:40.482 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 04 08:02:40.482 INFO kablam! 
Sep 04 08:02:41.538 INFO kablam! warning: unused import: `Read`
Sep 04 08:02:41.538 INFO kablam!  --> src/decoder/stream.rs:6:21
Sep 04 08:02:41.538 INFO kablam!   |
Sep 04 08:02:41.538 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 04 08:02:41.538 INFO kablam!   |                     ^^^^
Sep 04 08:02:41.538 INFO kablam!   |
Sep 04 08:02:41.538 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 08:02:41.538 INFO kablam! 
Sep 04 08:02:41.539 INFO kablam! warning: unused import: `Write`
Sep 04 08:02:41.539 INFO kablam!  --> src/decoder/stream.rs:6:27
Sep 04 08:02:41.539 INFO kablam!   |
Sep 04 08:02:41.539 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 04 08:02:41.539 INFO kablam!   |                           ^^^^^
Sep 04 08:02:41.539 INFO kablam! 
Sep 04 08:02:41.539 INFO kablam! warning: unused import: `AsRef`
Sep 04 08:02:41.539 INFO kablam!  --> src/decoder/stream.rs:8:26
Sep 04 08:02:41.539 INFO kablam!   |
Sep 04 08:02:41.539 INFO kablam! 8 | use std::convert::{From, AsRef};
Sep 04 08:02:41.539 INFO kablam!   |                          ^^^^^
Sep 04 08:02:41.539 INFO kablam! 
Sep 04 08:02:41.539 INFO kablam! warning: unused import: `std::convert::AsRef`
Sep 04 08:02:41.539 INFO kablam!  --> src/decoder/mod.rs:8:5
Sep 04 08:02:41.539 INFO kablam!   |
Sep 04 08:02:41.539 INFO kablam! 8 | use std::convert::AsRef;
Sep 04 08:02:41.539 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 04 08:02:41.539 INFO kablam! 
Sep 04 08:02:41.831 INFO kablam! warning: variable does not need to be mutable
Sep 04 08:02:41.831 INFO kablam!   --> src/traits.rs:18:49
Sep 04 08:02:41.831 INFO kablam!    |
Sep 04 08:02:41.831 INFO kablam! 18 | fn read_all<R: io::Read + ?Sized>(this: &mut R, mut buf: &mut [u8]) -> io::Result<()> {
Sep 04 08:02:41.831 INFO kablam!    |                                                 ----^^^
Sep 04 08:02:41.831 INFO kablam!    |                                                 |
Sep 04 08:02:41.831 INFO kablam!    |                                                 help: remove this `mut`
Sep 04 08:02:41.831 INFO kablam!    |
Sep 04 08:02:41.832 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 04 08:02:41.832 INFO kablam! 
Sep 04 08:03:19.094 INFO kablam! warning: unnecessary parentheses around method argument
Sep 04 08:03:19.094 INFO kablam!    --> src/filter.rs:111:54
Sep 04 08:03:19.094 INFO kablam!     |
Sep 04 08:03:19.094 INFO kablam! 111 |                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
Sep 04 08:03:19.094 INFO kablam!     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 04 08:03:19.094 INFO kablam!     |
Sep 04 08:03:19.094 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 04 08:03:19.095 INFO kablam! 
Sep 04 08:03:20.242 INFO kablam! warning: unused import: `Read`
Sep 04 08:03:20.243 INFO kablam!  --> src/decoder/stream.rs:6:21
Sep 04 08:03:20.243 INFO kablam!   |
Sep 04 08:03:20.243 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 04 08:03:20.243 INFO kablam!   |                     ^^^^
Sep 04 08:03:20.243 INFO kablam!   |
Sep 04 08:03:20.243 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 08:03:20.243 INFO kablam! 
Sep 04 08:03:20.243 INFO kablam! warning: unused import: `Write`
Sep 04 08:03:20.243 INFO kablam!  --> src/decoder/stream.rs:6:27
Sep 04 08:03:20.244 INFO kablam!   |
Sep 04 08:03:20.244 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 04 08:03:20.244 INFO kablam!   |                           ^^^^^
Sep 04 08:03:20.244 INFO kablam! 
Sep 04 08:03:20.244 INFO kablam! warning: unused import: `AsRef`
Sep 04 08:03:20.244 INFO kablam!  --> src/decoder/stream.rs:8:26
Sep 04 08:03:20.244 INFO kablam!   |
Sep 04 08:03:20.244 INFO kablam! 8 | use std::convert::{From, AsRef};
Sep 04 08:03:20.244 INFO kablam!   |                          ^^^^^
Sep 04 08:03:20.244 INFO kablam! 
Sep 04 08:03:20.244 INFO kablam! warning: unused import: `std::convert::AsRef`
Sep 04 08:03:20.244 INFO kablam!  --> src/decoder/mod.rs:8:5
Sep 04 08:03:20.244 INFO kablam!   |
Sep 04 08:03:20.244 INFO kablam! 8 | use std::convert::AsRef;
Sep 04 08:03:20.244 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 04 08:03:20.244 INFO kablam! 
Sep 04 08:03:20.333 INFO kablam! warning: unused `#[macro_use]` import
Sep 04 08:03:20.333 INFO kablam!  --> examples/show.rs:1:1
Sep 04 08:03:20.334 INFO kablam!   |
Sep 04 08:03:20.334 INFO kablam! 1 | #[macro_use]
Sep 04 08:03:20.334 INFO kablam!   | ^^^^^^^^^^^^
Sep 04 08:03:20.334 INFO kablam!   |
Sep 04 08:03:20.334 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 08:03:20.334 INFO kablam! 
Sep 04 08:03:20.588 INFO kablam! warning: variable does not need to be mutable
Sep 04 08:03:20.588 INFO kablam!   --> src/traits.rs:18:49
Sep 04 08:03:20.588 INFO kablam!    |
Sep 04 08:03:20.588 INFO kablam! 18 | fn read_all<R: io::Read + ?Sized>(this: &mut R, mut buf: &mut [u8]) -> io::Result<()> {
Sep 04 08:03:20.588 INFO kablam!    |                                                 ----^^^
Sep 04 08:03:20.588 INFO kablam!    |                                                 |
Sep 04 08:03:20.588 INFO kablam!    |                                                 help: remove this `mut`
Sep 04 08:03:20.588 INFO kablam!    |
Sep 04 08:03:20.588 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 04 08:03:20.588 INFO kablam! 
Sep 04 08:03:20.775 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 41.51s
Sep 04 08:03:20.790 INFO kablam! su: No module specific data is present
Sep 04 08:03:21.322 INFO running `"docker" "rm" "-f" "ec8cb2e44ef9356284f3dce62b843ae4c8b7111be49c223ce857c38f7d80029d"`
Sep 04 08:03:21.447 INFO blam! ec8cb2e44ef9356284f3dce62b843ae4c8b7111be49c223ce857c38f7d80029d