Sep 21 05:38:07.424 INFO checking png-0.5.2 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 05:38:07.424 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 05:38:07.424 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-4/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 05:38:07.568 INFO blam! 831f1a6f0027aec7b356e163ffd516dab8c6208f77b22ee7b9d5b099b7bca953
Sep 21 05:38:07.570 INFO running `"docker" "start" "-a" "831f1a6f0027aec7b356e163ffd516dab8c6208f77b22ee7b9d5b099b7bca953"`
Sep 21 05:38:08.258 INFO kablam! usermod: no changes
Sep 21 05:38:08.546 INFO kablam!    Compiling glium v0.14.0
Sep 21 05:38:08.546 INFO kablam!     Checking png v0.5.2 (/source)
Sep 21 05:38:08.954 INFO kablam! warning: unnecessary parentheses around method argument
Sep 21 05:38:08.954 INFO kablam!    --> src/filter.rs:111:54
Sep 21 05:38:08.954 INFO kablam!     |
Sep 21 05:38:08.954 INFO kablam! 111 |                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
Sep 21 05:38:08.954 INFO kablam!     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 21 05:38:08.954 INFO kablam!     |
Sep 21 05:38:08.954 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 21 05:38:08.954 INFO kablam! 
Sep 21 05:38:09.567 INFO kablam! warning: unused import: `Read`
Sep 21 05:38:09.567 INFO kablam!  --> src/decoder/stream.rs:6:21
Sep 21 05:38:09.567 INFO kablam!   |
Sep 21 05:38:09.567 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 21 05:38:09.567 INFO kablam!   |                     ^^^^
Sep 21 05:38:09.567 INFO kablam!   |
Sep 21 05:38:09.567 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 05:38:09.567 INFO kablam! 
Sep 21 05:38:09.568 INFO kablam! warning: unused import: `Write`
Sep 21 05:38:09.568 INFO kablam!  --> src/decoder/stream.rs:6:27
Sep 21 05:38:09.568 INFO kablam!   |
Sep 21 05:38:09.568 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 21 05:38:09.568 INFO kablam!   |                           ^^^^^
Sep 21 05:38:09.568 INFO kablam! 
Sep 21 05:38:09.569 INFO kablam! warning: unused import: `AsRef`
Sep 21 05:38:09.569 INFO kablam!  --> src/decoder/stream.rs:8:26
Sep 21 05:38:09.569 INFO kablam!   |
Sep 21 05:38:09.569 INFO kablam! 8 | use std::convert::{From, AsRef};
Sep 21 05:38:09.569 INFO kablam!   |                          ^^^^^
Sep 21 05:38:09.569 INFO kablam! 
Sep 21 05:38:09.570 INFO kablam! warning: unused import: `std::convert::AsRef`
Sep 21 05:38:09.570 INFO kablam!  --> src/decoder/mod.rs:8:5
Sep 21 05:38:09.570 INFO kablam!   |
Sep 21 05:38:09.570 INFO kablam! 8 | use std::convert::AsRef;
Sep 21 05:38:09.570 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 21 05:38:09.571 INFO kablam! 
Sep 21 05:38:09.811 INFO kablam! warning: variable does not need to be mutable
Sep 21 05:38:09.811 INFO kablam!   --> src/traits.rs:18:49
Sep 21 05:38:09.811 INFO kablam!    |
Sep 21 05:38:09.811 INFO kablam! 18 | fn read_all<R: io::Read + ?Sized>(this: &mut R, mut buf: &mut [u8]) -> io::Result<()> {
Sep 21 05:38:09.811 INFO kablam!    |                                                 ----^^^
Sep 21 05:38:09.811 INFO kablam!    |                                                 |
Sep 21 05:38:09.811 INFO kablam!    |                                                 help: remove this `mut`
Sep 21 05:38:09.811 INFO kablam!    |
Sep 21 05:38:09.812 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 05:38:09.812 INFO kablam! 
Sep 21 05:38:34.593 INFO kablam! warning: unnecessary parentheses around method argument
Sep 21 05:38:34.593 INFO kablam!    --> src/filter.rs:111:54
Sep 21 05:38:34.593 INFO kablam!     |
Sep 21 05:38:34.593 INFO kablam! 111 |                 current[i] = current[i].wrapping_sub((current[i - bpp].wrapping_add(previous[i]) / 2));
Sep 21 05:38:34.593 INFO kablam!     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 21 05:38:34.602 INFO kablam!     |
Sep 21 05:38:34.602 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 21 05:38:34.602 INFO kablam! 
Sep 21 05:38:35.589 INFO kablam! warning: unused `#[macro_use]` import
Sep 21 05:38:35.589 INFO kablam!  --> examples/show.rs:1:1
Sep 21 05:38:35.589 INFO kablam!   |
Sep 21 05:38:35.589 INFO kablam! 1 | #[macro_use]
Sep 21 05:38:35.589 INFO kablam!   | ^^^^^^^^^^^^
Sep 21 05:38:35.589 INFO kablam!   |
Sep 21 05:38:35.589 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 05:38:35.589 INFO kablam! 
Sep 21 05:38:35.765 INFO kablam! warning: unused import: `Read`
Sep 21 05:38:35.765 INFO kablam!  --> src/decoder/stream.rs:6:21
Sep 21 05:38:35.765 INFO kablam!   |
Sep 21 05:38:35.765 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 21 05:38:35.765 INFO kablam!   |                     ^^^^
Sep 21 05:38:35.778 INFO kablam!   |
Sep 21 05:38:35.778 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 05:38:35.778 INFO kablam! 
Sep 21 05:38:35.778 INFO kablam! warning: unused import: `Write`
Sep 21 05:38:35.778 INFO kablam!  --> src/decoder/stream.rs:6:27
Sep 21 05:38:35.778 INFO kablam!   |
Sep 21 05:38:35.778 INFO kablam! 6 | use std::io::{self, Read, Write};
Sep 21 05:38:35.778 INFO kablam!   |                           ^^^^^
Sep 21 05:38:35.778 INFO kablam! 
Sep 21 05:38:35.778 INFO kablam! warning: unused import: `AsRef`
Sep 21 05:38:35.778 INFO kablam!  --> src/decoder/stream.rs:8:26
Sep 21 05:38:35.778 INFO kablam!   |
Sep 21 05:38:35.778 INFO kablam! 8 | use std::convert::{From, AsRef};
Sep 21 05:38:35.778 INFO kablam!   |                          ^^^^^
Sep 21 05:38:35.778 INFO kablam! 
Sep 21 05:38:35.779 INFO kablam! warning: unused import: `std::convert::AsRef`
Sep 21 05:38:35.779 INFO kablam!  --> src/decoder/mod.rs:8:5
Sep 21 05:38:35.779 INFO kablam!   |
Sep 21 05:38:35.779 INFO kablam! 8 | use std::convert::AsRef;
Sep 21 05:38:35.779 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Sep 21 05:38:35.779 INFO kablam! 
Sep 21 05:38:35.984 INFO kablam! warning: variable does not need to be mutable
Sep 21 05:38:35.984 INFO kablam!   --> src/traits.rs:18:49
Sep 21 05:38:35.985 INFO kablam!    |
Sep 21 05:38:35.985 INFO kablam! 18 | fn read_all<R: io::Read + ?Sized>(this: &mut R, mut buf: &mut [u8]) -> io::Result<()> {
Sep 21 05:38:35.985 INFO kablam!    |                                                 ----^^^
Sep 21 05:38:35.986 INFO kablam!    |                                                 |
Sep 21 05:38:35.986 INFO kablam!    |                                                 help: remove this `mut`
Sep 21 05:38:35.987 INFO kablam!    |
Sep 21 05:38:35.987 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 05:38:35.987 INFO kablam! 
Sep 21 05:38:36.158 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 27.88s
Sep 21 05:38:36.169 INFO kablam! su: No module specific data is present
Sep 21 05:38:36.930 INFO running `"docker" "rm" "-f" "831f1a6f0027aec7b356e163ffd516dab8c6208f77b22ee7b9d5b099b7bca953"`
Sep 21 05:38:37.066 INFO blam! 831f1a6f0027aec7b356e163ffd516dab8c6208f77b22ee7b9d5b099b7bca953