Sep 02 04:39:06.236 INFO checking png-0.5.2 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 02 04:39:06.236 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 02 04:39:06.236 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-3/try#952c7dbfa2628309f557b367929ffc17af20b332:/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 +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 04:39:06.405 INFO blam! 7a18521e694c612caf76767b5f788b73fa8af0e1309dd78a9186e43fc74a685e
Sep 02 04:39:06.406 INFO running `"docker" "start" "-a" "7a18521e694c612caf76767b5f788b73fa8af0e1309dd78a9186e43fc74a685e"`
Sep 02 04:39:07.272 INFO kablam!    Compiling glium v0.14.0
Sep 02 04:39:07.273 INFO kablam!     Checking png v0.5.2 (file:///source)
Sep 02 04:39:07.878 INFO kablam! warning: unnecessary parentheses around method argument
Sep 02 04:39:07.878 INFO kablam!    --> src/filter.rs:111:54
Sep 02 04:39:07.878 INFO kablam!     |
Sep 02 04:39:07.878 INFO kablam! 111 |                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
Sep 02 04:39:07.878 INFO kablam!     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 02 04:39:07.878 INFO kablam!     |
Sep 02 04:39:07.878 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 02 04:39:07.878 INFO kablam! 
Sep 02 04:39:08.912 INFO kablam! warning: unused import: `Read`
Sep 02 04:39:08.913 INFO kablam!  --> src/decoder/stream.rs:6:21
Sep 02 04:39:08.913 INFO kablam!   |
Sep 02 04:39:08.913 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 02 04:39:08.913 INFO kablam!   |                     ^^^^
Sep 02 04:39:08.913 INFO kablam!   |
Sep 02 04:39:08.913 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 02 04:39:08.913 INFO kablam! 
Sep 02 04:39:08.913 INFO kablam! warning: unused import: `Write`
Sep 02 04:39:08.913 INFO kablam!  --> src/decoder/stream.rs:6:27
Sep 02 04:39:08.913 INFO kablam!   |
Sep 02 04:39:08.913 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 02 04:39:08.913 INFO kablam!   |                           ^^^^^
Sep 02 04:39:08.913 INFO kablam! 
Sep 02 04:39:08.913 INFO kablam! warning: unused import: `AsRef`
Sep 02 04:39:08.914 INFO kablam!  --> src/decoder/stream.rs:8:26
Sep 02 04:39:08.914 INFO kablam!   |
Sep 02 04:39:08.914 INFO kablam! 8 | use std::convert::{From, AsRef};
Sep 02 04:39:08.914 INFO kablam!   |                          ^^^^^
Sep 02 04:39:08.914 INFO kablam! 
Sep 02 04:39:08.914 INFO kablam! warning: unused import: `std::convert::AsRef`
Sep 02 04:39:08.914 INFO kablam!  --> src/decoder/mod.rs:8:5
Sep 02 04:39:08.914 INFO kablam!   |
Sep 02 04:39:08.914 INFO kablam! 8 | use std::convert::AsRef;
Sep 02 04:39:08.914 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 02 04:39:08.914 INFO kablam! 
Sep 02 04:39:09.206 INFO kablam! warning: variable does not need to be mutable
Sep 02 04:39:09.207 INFO kablam!   --> src/traits.rs:18:49
Sep 02 04:39:09.207 INFO kablam!    |
Sep 02 04:39:09.207 INFO kablam! 18 | fn read_all<R: io::Read + ?Sized>(this: &mut R, mut buf: &mut [u8]) -> io::Result<()> {
Sep 02 04:39:09.207 INFO kablam!    |                                                 ----^^^
Sep 02 04:39:09.207 INFO kablam!    |                                                 |
Sep 02 04:39:09.207 INFO kablam!    |                                                 help: remove this `mut`
Sep 02 04:39:09.207 INFO kablam!    |
Sep 02 04:39:09.207 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 02 04:39:09.207 INFO kablam! 
Sep 02 04:39:39.757 INFO kablam! warning: unnecessary parentheses around method argument
Sep 02 04:39:39.757 INFO kablam!    --> src/filter.rs:111:54
Sep 02 04:39:39.757 INFO kablam!     |
Sep 02 04:39:39.757 INFO kablam! 111 |                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
Sep 02 04:39:39.758 INFO kablam!     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 02 04:39:39.758 INFO kablam!     |
Sep 02 04:39:39.758 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 02 04:39:39.758 INFO kablam! 
Sep 02 04:39:40.843 INFO kablam! warning: unused import: `Read`
Sep 02 04:39:40.843 INFO kablam!  --> src/decoder/stream.rs:6:21
Sep 02 04:39:40.843 INFO kablam!   |
Sep 02 04:39:40.844 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 02 04:39:40.844 INFO kablam!   |                     ^^^^
Sep 02 04:39:40.844 INFO kablam!   |
Sep 02 04:39:40.844 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 02 04:39:40.844 INFO kablam! 
Sep 02 04:39:40.845 INFO kablam! warning: unused import: `Write`
Sep 02 04:39:40.845 INFO kablam!  --> src/decoder/stream.rs:6:27
Sep 02 04:39:40.845 INFO kablam!   |
Sep 02 04:39:40.845 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 02 04:39:40.845 INFO kablam!   |                           ^^^^^
Sep 02 04:39:40.845 INFO kablam! 
Sep 02 04:39:40.845 INFO kablam! warning: unused import: `AsRef`
Sep 02 04:39:40.845 INFO kablam!  --> src/decoder/stream.rs:8:26
Sep 02 04:39:40.845 INFO kablam!   |
Sep 02 04:39:40.845 INFO kablam! 8 | use std::convert::{From, AsRef};
Sep 02 04:39:40.845 INFO kablam!   |                          ^^^^^
Sep 02 04:39:40.845 INFO kablam! 
Sep 02 04:39:40.845 INFO kablam! warning: unused import: `std::convert::AsRef`
Sep 02 04:39:40.845 INFO kablam!  --> src/decoder/mod.rs:8:5
Sep 02 04:39:40.845 INFO kablam!   |
Sep 02 04:39:40.845 INFO kablam! 8 | use std::convert::AsRef;
Sep 02 04:39:40.845 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 02 04:39:40.845 INFO kablam! 
Sep 02 04:39:40.949 INFO kablam! warning: unused `#[macro_use]` import
Sep 02 04:39:40.949 INFO kablam!  --> examples/show.rs:1:1
Sep 02 04:39:40.949 INFO kablam!   |
Sep 02 04:39:40.949 INFO kablam! 1 | #[macro_use]
Sep 02 04:39:40.949 INFO kablam!   | ^^^^^^^^^^^^
Sep 02 04:39:40.949 INFO kablam!   |
Sep 02 04:39:40.949 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 02 04:39:40.949 INFO kablam! 
Sep 02 04:39:41.180 INFO kablam! warning: variable does not need to be mutable
Sep 02 04:39:41.180 INFO kablam!   --> src/traits.rs:18:49
Sep 02 04:39:41.180 INFO kablam!    |
Sep 02 04:39:41.180 INFO kablam! 18 | fn read_all<R: io::Read + ?Sized>(this: &mut R, mut buf: &mut [u8]) -> io::Result<()> {
Sep 02 04:39:41.180 INFO kablam!    |                                                 ----^^^
Sep 02 04:39:41.180 INFO kablam!    |                                                 |
Sep 02 04:39:41.180 INFO kablam!    |                                                 help: remove this `mut`
Sep 02 04:39:41.180 INFO kablam!    |
Sep 02 04:39:41.180 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 02 04:39:41.180 INFO kablam! 
Sep 02 04:39:41.410 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 34.32s
Sep 02 04:39:41.423 INFO kablam! su: No module specific data is present
Sep 02 04:39:42.024 INFO running `"docker" "rm" "-f" "7a18521e694c612caf76767b5f788b73fa8af0e1309dd78a9186e43fc74a685e"`
Sep 02 04:39:42.162 INFO blam! 7a18521e694c612caf76767b5f788b73fa8af0e1309dd78a9186e43fc74a685e