Sep 17 19:54:49.224 INFO checking png-0.5.2 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 19:54:49.224 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 19:54:49.224 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-6/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 19:54:49.422 INFO blam! 7494139c3619aabc7efe9d7a194489fe4801af79c211d36bc46652c52b59ad12
Sep 17 19:54:49.424 INFO running `"docker" "start" "-a" "7494139c3619aabc7efe9d7a194489fe4801af79c211d36bc46652c52b59ad12"`
Sep 17 19:54:50.369 INFO kablam! usermod: no changes
Sep 17 19:54:50.699 INFO kablam!    Compiling glutin v0.5.2
Sep 17 19:54:50.701 INFO kablam!    Compiling glium v0.14.0
Sep 17 19:54:50.731 INFO kablam!     Checking backtrace v0.1.8
Sep 17 19:54:50.731 INFO kablam!     Checking png v0.5.2 (/source)
Sep 17 19:54:51.703 INFO kablam! warning: unnecessary parentheses around method argument
Sep 17 19:54:51.703 INFO kablam!    --> src/filter.rs:111:54
Sep 17 19:54:51.703 INFO kablam!     |
Sep 17 19:54:51.703 INFO kablam! 111 |                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
Sep 17 19:54:51.703 INFO kablam!     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 17 19:54:51.703 INFO kablam!     |
Sep 17 19:54:51.703 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 17 19:54:51.703 INFO kablam! 
Sep 17 19:54:52.263 INFO kablam! warning: unused import: `Read`
Sep 17 19:54:52.263 INFO kablam!  --> src/decoder/stream.rs:6:21
Sep 17 19:54:52.263 INFO kablam!   |
Sep 17 19:54:52.263 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 17 19:54:52.263 INFO kablam!   |                     ^^^^
Sep 17 19:54:52.263 INFO kablam!   |
Sep 17 19:54:52.263 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 17 19:54:52.263 INFO kablam! 
Sep 17 19:54:52.263 INFO kablam! warning: unused import: `Write`
Sep 17 19:54:52.263 INFO kablam!  --> src/decoder/stream.rs:6:27
Sep 17 19:54:52.263 INFO kablam!   |
Sep 17 19:54:52.263 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 17 19:54:52.263 INFO kablam!   |                           ^^^^^
Sep 17 19:54:52.263 INFO kablam! 
Sep 17 19:54:52.263 INFO kablam! warning: unused import: `AsRef`
Sep 17 19:54:52.263 INFO kablam!  --> src/decoder/stream.rs:8:26
Sep 17 19:54:52.263 INFO kablam!   |
Sep 17 19:54:52.263 INFO kablam! 8 | use std::convert::{From, AsRef};
Sep 17 19:54:52.263 INFO kablam!   |                          ^^^^^
Sep 17 19:54:52.263 INFO kablam! 
Sep 17 19:54:52.263 INFO kablam! warning: unused import: `std::convert::AsRef`
Sep 17 19:54:52.263 INFO kablam!  --> src/decoder/mod.rs:8:5
Sep 17 19:54:52.263 INFO kablam!   |
Sep 17 19:54:52.263 INFO kablam! 8 | use std::convert::AsRef;
Sep 17 19:54:52.263 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 17 19:54:52.263 INFO kablam! 
Sep 17 19:54:52.648 INFO kablam! warning: variable does not need to be mutable
Sep 17 19:54:52.648 INFO kablam!   --> src/traits.rs:18:49
Sep 17 19:54:52.648 INFO kablam!    |
Sep 17 19:54:52.648 INFO kablam! 18 | fn read_all<R: io::Read + ?Sized>(this: &mut R, mut buf: &mut [u8]) -> io::Result<()> {
Sep 17 19:54:52.648 INFO kablam!    |                                                 ----^^^
Sep 17 19:54:52.648 INFO kablam!    |                                                 |
Sep 17 19:54:52.648 INFO kablam!    |                                                 help: remove this `mut`
Sep 17 19:54:52.648 INFO kablam!    |
Sep 17 19:54:52.648 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 17 19:54:52.648 INFO kablam! 
Sep 17 19:55:21.255 INFO kablam! warning: unnecessary parentheses around method argument
Sep 17 19:55:21.255 INFO kablam!    --> src/filter.rs:111:54
Sep 17 19:55:21.255 INFO kablam!     |
Sep 17 19:55:21.255 INFO kablam! 111 |                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
Sep 17 19:55:21.255 INFO kablam!     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 17 19:55:21.255 INFO kablam!     |
Sep 17 19:55:21.255 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 17 19:55:21.255 INFO kablam! 
Sep 17 19:55:21.840 INFO kablam! warning: unused `#[macro_use]` import
Sep 17 19:55:21.840 INFO kablam!  --> examples/show.rs:1:1
Sep 17 19:55:21.841 INFO kablam!   |
Sep 17 19:55:21.841 INFO kablam! 1 | #[macro_use]
Sep 17 19:55:21.841 INFO kablam!   | ^^^^^^^^^^^^
Sep 17 19:55:21.841 INFO kablam!   |
Sep 17 19:55:21.841 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 17 19:55:21.841 INFO kablam! 
Sep 17 19:55:22.136 INFO kablam! warning: unused import: `Read`
Sep 17 19:55:22.136 INFO kablam!  --> src/decoder/stream.rs:6:21
Sep 17 19:55:22.136 INFO kablam!   |
Sep 17 19:55:22.136 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 17 19:55:22.136 INFO kablam!   |                     ^^^^
Sep 17 19:55:22.137 INFO kablam!   |
Sep 17 19:55:22.137 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 17 19:55:22.138 INFO kablam! 
Sep 17 19:55:22.138 INFO kablam! warning: unused import: `Write`
Sep 17 19:55:22.138 INFO kablam!  --> src/decoder/stream.rs:6:27
Sep 17 19:55:22.139 INFO kablam!   |
Sep 17 19:55:22.139 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 17 19:55:22.139 INFO kablam!   |                           ^^^^^
Sep 17 19:55:22.140 INFO kablam! 
Sep 17 19:55:22.140 INFO kablam! warning: unused import: `AsRef`
Sep 17 19:55:22.140 INFO kablam!  --> src/decoder/stream.rs:8:26
Sep 17 19:55:22.141 INFO kablam!   |
Sep 17 19:55:22.141 INFO kablam! 8 | use std::convert::{From, AsRef};
Sep 17 19:55:22.142 INFO kablam!   |                          ^^^^^
Sep 17 19:55:22.142 INFO kablam! 
Sep 17 19:55:22.142 INFO kablam! warning: unused import: `std::convert::AsRef`
Sep 17 19:55:22.143 INFO kablam!  --> src/decoder/mod.rs:8:5
Sep 17 19:55:22.143 INFO kablam!   |
Sep 17 19:55:22.143 INFO kablam! 8 | use std::convert::AsRef;
Sep 17 19:55:22.144 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 17 19:55:22.144 INFO kablam! 
Sep 17 19:55:22.293 INFO kablam! warning: variable does not need to be mutable
Sep 17 19:55:22.293 INFO kablam!   --> src/traits.rs:18:49
Sep 17 19:55:22.294 INFO kablam!    |
Sep 17 19:55:22.294 INFO kablam! 18 | fn read_all<R: io::Read + ?Sized>(this: &mut R, mut buf: &mut [u8]) -> io::Result<()> {
Sep 17 19:55:22.294 INFO kablam!    |                                                 ----^^^
Sep 17 19:55:22.295 INFO kablam!    |                                                 |
Sep 17 19:55:22.295 INFO kablam!    |                                                 help: remove this `mut`
Sep 17 19:55:22.295 INFO kablam!    |
Sep 17 19:55:22.296 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 17 19:55:22.296 INFO kablam! 
Sep 17 19:55:22.423 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 32.03s
Sep 17 19:55:22.431 INFO kablam! su: No module specific data is present
Sep 17 19:55:24.139 INFO running `"docker" "rm" "-f" "7494139c3619aabc7efe9d7a194489fe4801af79c211d36bc46652c52b59ad12"`
Sep 17 19:55:24.447 INFO blam! 7494139c3619aabc7efe9d7a194489fe4801af79c211d36bc46652c52b59ad12