Jul 12 02:01:40.775 INFO checking png-0.5.2 against try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255 for pr-52234
Jul 12 02:01:40.775 INFO running: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 02:01:40.775 INFO creating container for: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 02:01:40.775 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-52234/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-1/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/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 +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 02:01:41.008 INFO blam! 828261a09b1c52f50a780cc6dffc46e3192c0f16a57c30f9251b6972e7ed062d
Jul 12 02:01:41.011 INFO running `"docker" "start" "-a" "828261a09b1c52f50a780cc6dffc46e3192c0f16a57c30f9251b6972e7ed062d"`
Jul 12 02:01:42.122 INFO kablam!    Compiling glium v0.14.0
Jul 12 02:01:42.122 INFO kablam!     Checking png v0.5.2 (file:///source)
Jul 12 02:01:42.934 INFO kablam! warning: unnecessary parentheses around method argument
Jul 12 02:01:42.934 INFO kablam!    --> src/filter.rs:111:54
Jul 12 02:01:42.935 INFO kablam!     |
Jul 12 02:01:42.935 INFO kablam! 111 |                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
Jul 12 02:01:42.935 INFO kablam!     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Jul 12 02:01:42.946 INFO kablam!     |
Jul 12 02:01:42.947 INFO kablam!     = note: #[warn(unused_parens)] on by default
Jul 12 02:01:42.947 INFO kablam! 
Jul 12 02:01:45.119 INFO kablam! warning: unused import: `Read`
Jul 12 02:01:45.119 INFO kablam!  --> src/decoder/stream.rs:6:21
Jul 12 02:01:45.120 INFO kablam!   |
Jul 12 02:01:45.120 INFO kablam! 6 | use std::io::{self, Read, Write};
Jul 12 02:01:45.120 INFO kablam!   |                     ^^^^
Jul 12 02:01:45.120 INFO kablam!   |
Jul 12 02:01:45.120 INFO kablam!   = note: #[warn(unused_imports)] on by default
Jul 12 02:01:45.120 INFO kablam! 
Jul 12 02:01:45.120 INFO kablam! warning: unused import: `Write`
Jul 12 02:01:45.120 INFO kablam!  --> src/decoder/stream.rs:6:27
Jul 12 02:01:45.120 INFO kablam!   |
Jul 12 02:01:45.120 INFO kablam! 6 | use std::io::{self, Read, Write};
Jul 12 02:01:45.120 INFO kablam!   |                           ^^^^^
Jul 12 02:01:45.120 INFO kablam! 
Jul 12 02:01:45.121 INFO kablam! warning: unused import: `AsRef`
Jul 12 02:01:45.121 INFO kablam!  --> src/decoder/stream.rs:8:26
Jul 12 02:01:45.121 INFO kablam!   |
Jul 12 02:01:45.121 INFO kablam! 8 | use std::convert::{From, AsRef};
Jul 12 02:01:45.121 INFO kablam!   |                          ^^^^^
Jul 12 02:01:45.121 INFO kablam! 
Jul 12 02:01:45.121 INFO kablam! warning: unused import: `std::convert::AsRef`
Jul 12 02:01:45.121 INFO kablam!  --> src/decoder/mod.rs:8:5
Jul 12 02:01:45.121 INFO kablam!   |
Jul 12 02:01:45.121 INFO kablam! 8 | use std::convert::AsRef;
Jul 12 02:01:45.121 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Jul 12 02:01:45.122 INFO kablam! 
Jul 12 02:01:46.003 INFO kablam! warning: variable does not need to be mutable
Jul 12 02:01:46.003 INFO kablam!   --> src/traits.rs:18:49
Jul 12 02:01:46.003 INFO kablam!    |
Jul 12 02:01:46.003 INFO kablam! 18 | fn read_all<R: io::Read + ?Sized>(this: &mut R, mut buf: &mut [u8]) -> io::Result<()> {
Jul 12 02:01:46.003 INFO kablam!    |                                                 ----^^^
Jul 12 02:01:46.003 INFO kablam!    |                                                 |
Jul 12 02:01:46.003 INFO kablam!    |                                                 help: remove this `mut`
Jul 12 02:01:46.003 INFO kablam!    |
Jul 12 02:01:46.003 INFO kablam!    = note: #[warn(unused_mut)] on by default
Jul 12 02:01:46.003 INFO kablam! 
Jul 12 02:02:44.219 INFO kablam! warning: unnecessary parentheses around method argument
Jul 12 02:02:44.219 INFO kablam!    --> src/filter.rs:111:54
Jul 12 02:02:44.219 INFO kablam!     |
Jul 12 02:02:44.219 INFO kablam! 111 |                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
Jul 12 02:02:44.219 INFO kablam!     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Jul 12 02:02:44.221 INFO kablam!     |
Jul 12 02:02:44.222 INFO kablam!     = note: #[warn(unused_parens)] on by default
Jul 12 02:02:44.222 INFO kablam! 
Jul 12 02:02:45.157 INFO kablam! warning: unused `#[macro_use]` import
Jul 12 02:02:45.157 INFO kablam!  --> examples/show.rs:1:1
Jul 12 02:02:45.157 INFO kablam!   |
Jul 12 02:02:45.157 INFO kablam! 1 | #[macro_use]
Jul 12 02:02:45.157 INFO kablam!   | ^^^^^^^^^^^^
Jul 12 02:02:45.157 INFO kablam!   |
Jul 12 02:02:45.157 INFO kablam!   = note: #[warn(unused_imports)] on by default
Jul 12 02:02:45.157 INFO kablam! 
Jul 12 02:02:46.649 INFO kablam! warning: unused import: `Read`
Jul 12 02:02:46.649 INFO kablam!  --> src/decoder/stream.rs:6:21
Jul 12 02:02:46.649 INFO kablam!   |
Jul 12 02:02:46.649 INFO kablam! 6 | use std::io::{self, Read, Write};
Jul 12 02:02:46.649 INFO kablam!   |                     ^^^^
Jul 12 02:02:46.650 INFO kablam!   |
Jul 12 02:02:46.650 INFO kablam!   = note: #[warn(unused_imports)] on by default
Jul 12 02:02:46.650 INFO kablam! 
Jul 12 02:02:46.650 INFO kablam! warning: unused import: `Write`
Jul 12 02:02:46.650 INFO kablam!  --> src/decoder/stream.rs:6:27
Jul 12 02:02:46.650 INFO kablam!   |
Jul 12 02:02:46.650 INFO kablam! 6 | use std::io::{self, Read, Write};
Jul 12 02:02:46.650 INFO kablam!   |                           ^^^^^
Jul 12 02:02:46.650 INFO kablam! 
Jul 12 02:02:46.650 INFO kablam! warning: unused import: `AsRef`
Jul 12 02:02:46.650 INFO kablam!  --> src/decoder/stream.rs:8:26
Jul 12 02:02:46.650 INFO kablam!   |
Jul 12 02:02:46.650 INFO kablam! 8 | use std::convert::{From, AsRef};
Jul 12 02:02:46.650 INFO kablam!   |                          ^^^^^
Jul 12 02:02:46.650 INFO kablam! 
Jul 12 02:02:46.651 INFO kablam! warning: unused import: `std::convert::AsRef`
Jul 12 02:02:46.651 INFO kablam!  --> src/decoder/mod.rs:8:5
Jul 12 02:02:46.651 INFO kablam!   |
Jul 12 02:02:46.651 INFO kablam! 8 | use std::convert::AsRef;
Jul 12 02:02:46.651 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Jul 12 02:02:46.651 INFO kablam! 
Jul 12 02:02:47.041 INFO kablam! warning: variable does not need to be mutable
Jul 12 02:02:47.041 INFO kablam!   --> src/traits.rs:18:49
Jul 12 02:02:47.041 INFO kablam!    |
Jul 12 02:02:47.041 INFO kablam! 18 | fn read_all<R: io::Read + ?Sized>(this: &mut R, mut buf: &mut [u8]) -> io::Result<()> {
Jul 12 02:02:47.041 INFO kablam!    |                                                 ----^^^
Jul 12 02:02:47.041 INFO kablam!    |                                                 |
Jul 12 02:02:47.041 INFO kablam!    |                                                 help: remove this `mut`
Jul 12 02:02:47.041 INFO kablam!    |
Jul 12 02:02:47.042 INFO kablam!    = note: #[warn(unused_mut)] on by default
Jul 12 02:02:47.042 INFO kablam! 
Jul 12 02:02:47.317 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
Jul 12 02:02:47.338 INFO kablam! su: No module specific data is present
Jul 12 02:02:47.861 INFO running `"docker" "rm" "-f" "828261a09b1c52f50a780cc6dffc46e3192c0f16a57c30f9251b6972e7ed062d"`
Jul 12 02:02:48.030 INFO blam! 828261a09b1c52f50a780cc6dffc46e3192c0f16a57c30f9251b6972e7ed062d