Dec 19 12:38:03.116 INFO checking minauteur/io-png against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 12:38:03.116 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/minauteur/io-png:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:38:03.462 INFO [stdout] c11da3ca5b83fa53ce157fd521a764b53c5e7933ee7299e0e91dc7923dde30ac
Dec 19 12:38:03.462 INFO running `"docker" "start" "-a" "c11da3ca5b83fa53ce157fd521a764b53c5e7933ee7299e0e91dc7923dde30ac"`
Dec 19 12:38:04.293 INFO [stderr]     Checking slab v0.1.3
Dec 19 12:38:04.293 INFO [stderr]     Checking bytes v0.3.0
Dec 19 12:38:04.309 INFO [stderr]    Compiling ws2_32-sys v0.2.1
Dec 19 12:38:04.309 INFO [stderr]     Checking net2 v0.2.31
Dec 19 12:38:04.310 INFO [stderr]     Checking inotify v0.3.0
Dec 19 12:38:04.310 INFO [stderr]     Checking nix v0.5.1
Dec 19 12:38:04.310 INFO [stderr]     Checking rayon-core v1.4.0
Dec 19 12:38:05.794 INFO [stderr]     Checking miow v0.1.5
Dec 19 12:38:06.313 INFO [stderr]     Checking rayon v1.0.0
Dec 19 12:38:08.632 INFO [stderr]     Checking mio v0.5.1
Dec 19 12:38:09.713 INFO [stderr]     Checking notify v4.0.3
Dec 19 12:38:10.187 INFO [stderr]     Checking jpeg-decoder v0.1.14
Dec 19 12:38:11.512 INFO [stderr]     Checking image v0.18.0
Dec 19 12:38:15.665 INFO [stderr]     Checking io-png v0.1.0 (/opt/crater/workdir)
Dec 19 12:38:16.356 INFO [stderr] warning: unused import: `std::path::Path`
Dec 19 12:38:16.356 INFO [stderr]  --> src/main.rs:5:5
Dec 19 12:38:16.356 INFO [stderr]   |
Dec 19 12:38:16.356 INFO [stderr] 5 | use std::path::Path;
Dec 19 12:38:16.356 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 12:38:16.356 INFO [stderr]   |
Dec 19 12:38:16.356 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:38:16.356 INFO [stderr] 
Dec 19 12:38:16.356 INFO [stderr] warning: unused imports: `BufWriter`, `Write`
Dec 19 12:38:16.356 INFO [stderr]  --> src/main.rs:8:21
Dec 19 12:38:16.356 INFO [stderr]   |
Dec 19 12:38:16.356 INFO [stderr] 8 | use std::io::{Read, Write, BufReader, BufWriter};
Dec 19 12:38:16.356 INFO [stderr]   |                     ^^^^^             ^^^^^^^^^
Dec 19 12:38:16.356 INFO [stderr] 
Dec 19 12:38:16.356 INFO [stderr] warning: unused import: `std::ffi::OsStr`
Dec 19 12:38:16.356 INFO [stderr]  --> src/main.rs:9:5
Dec 19 12:38:16.356 INFO [stderr]   |
Dec 19 12:38:16.356 INFO [stderr] 9 | use std::ffi::OsStr;
Dec 19 12:38:16.356 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 12:38:16.356 INFO [stderr] 
Dec 19 12:38:16.356 INFO [stderr] warning: unused import: `image::png`
Dec 19 12:38:16.356 INFO [stderr]   --> src/main.rs:12:5
Dec 19 12:38:16.356 INFO [stderr]    |
Dec 19 12:38:16.356 INFO [stderr] 12 | use image::png;
Dec 19 12:38:16.356 INFO [stderr]    |     ^^^^^^^^^^
Dec 19 12:38:16.356 INFO [stderr] 
Dec 19 12:38:16.356 INFO [stderr] warning: unused import: `image::gif::Encoder`
Dec 19 12:38:16.356 INFO [stderr]   --> src/main.rs:13:5
Dec 19 12:38:16.356 INFO [stderr]    |
Dec 19 12:38:16.356 INFO [stderr] 13 | use image::gif::Encoder;
Dec 19 12:38:16.356 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 19 12:38:16.356 INFO [stderr] 
Dec 19 12:38:16.356 INFO [stderr] warning: unused imports: `ImageBuffer`, `Rgb`, `save_buffer`
Dec 19 12:38:16.356 INFO [stderr]   --> src/main.rs:14:13
Dec 19 12:38:16.356 INFO [stderr]    |
Dec 19 12:38:16.356 INFO [stderr] 14 | use image::{save_buffer, ImageBuffer, ColorType, Rgb};
Dec 19 12:38:16.356 INFO [stderr]    |             ^^^^^^^^^^^  ^^^^^^^^^^^             ^^^
Dec 19 12:38:16.356 INFO [stderr] 
Dec 19 12:38:16.428 INFO [stderr] warning: constant item is never used: `WIDTH`
Dec 19 12:38:16.428 INFO [stderr]   --> src/main.rs:21:1
Dec 19 12:38:16.428 INFO [stderr]    |
Dec 19 12:38:16.428 INFO [stderr] 21 | const WIDTH: u32 = 100;
Dec 19 12:38:16.428 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:38:16.428 INFO [stderr]    |
Dec 19 12:38:16.428 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 12:38:16.428 INFO [stderr] 
Dec 19 12:38:16.428 INFO [stderr] warning: constant item is never used: `HEIGHT`
Dec 19 12:38:16.428 INFO [stderr]   --> src/main.rs:22:1
Dec 19 12:38:16.428 INFO [stderr]    |
Dec 19 12:38:16.428 INFO [stderr] 22 | const HEIGHT:u32 = 100;
Dec 19 12:38:16.428 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:38:16.428 INFO [stderr] 
Dec 19 12:38:16.437 INFO [stderr] warning: unused import: `std::path::Path`
Dec 19 12:38:16.437 INFO [stderr]  --> src/main.rs:5:5
Dec 19 12:38:16.437 INFO [stderr]   |
Dec 19 12:38:16.437 INFO [stderr] 5 | use std::path::Path;
Dec 19 12:38:16.437 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 12:38:16.437 INFO [stderr]   |
Dec 19 12:38:16.437 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:38:16.437 INFO [stderr] 
Dec 19 12:38:16.437 INFO [stderr] warning: unused imports: `BufWriter`, `Write`
Dec 19 12:38:16.437 INFO [stderr]  --> src/main.rs:8:21
Dec 19 12:38:16.437 INFO [stderr]   |
Dec 19 12:38:16.437 INFO [stderr] 8 | use std::io::{Read, Write, BufReader, BufWriter};
Dec 19 12:38:16.437 INFO [stderr]   |                     ^^^^^             ^^^^^^^^^
Dec 19 12:38:16.437 INFO [stderr] 
Dec 19 12:38:16.437 INFO [stderr] warning: unused import: `std::ffi::OsStr`
Dec 19 12:38:16.437 INFO [stderr]  --> src/main.rs:9:5
Dec 19 12:38:16.437 INFO [stderr]   |
Dec 19 12:38:16.438 INFO [stderr] 9 | use std::ffi::OsStr;
Dec 19 12:38:16.438 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 12:38:16.438 INFO [stderr] 
Dec 19 12:38:16.438 INFO [stderr] warning: unused import: `image::png`
Dec 19 12:38:16.438 INFO [stderr]   --> src/main.rs:12:5
Dec 19 12:38:16.438 INFO [stderr]    |
Dec 19 12:38:16.438 INFO [stderr] 12 | use image::png;
Dec 19 12:38:16.438 INFO [stderr]    |     ^^^^^^^^^^
Dec 19 12:38:16.438 INFO [stderr] 
Dec 19 12:38:16.438 INFO [stderr] warning: unused import: `image::gif::Encoder`
Dec 19 12:38:16.438 INFO [stderr]   --> src/main.rs:13:5
Dec 19 12:38:16.438 INFO [stderr]    |
Dec 19 12:38:16.438 INFO [stderr] 13 | use image::gif::Encoder;
Dec 19 12:38:16.438 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 19 12:38:16.438 INFO [stderr] 
Dec 19 12:38:16.438 INFO [stderr] warning: unused imports: `ImageBuffer`, `Rgb`, `save_buffer`
Dec 19 12:38:16.438 INFO [stderr]   --> src/main.rs:14:13
Dec 19 12:38:16.438 INFO [stderr]    |
Dec 19 12:38:16.438 INFO [stderr] 14 | use image::{save_buffer, ImageBuffer, ColorType, Rgb};
Dec 19 12:38:16.438 INFO [stderr]    |             ^^^^^^^^^^^  ^^^^^^^^^^^             ^^^
Dec 19 12:38:16.438 INFO [stderr] 
Dec 19 12:38:16.600 INFO [stderr] warning: constant item is never used: `WIDTH`
Dec 19 12:38:16.600 INFO [stderr]   --> src/main.rs:21:1
Dec 19 12:38:16.600 INFO [stderr]    |
Dec 19 12:38:16.600 INFO [stderr] 21 | const WIDTH: u32 = 100;
Dec 19 12:38:16.600 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:38:16.600 INFO [stderr]    |
Dec 19 12:38:16.600 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 12:38:16.600 INFO [stderr] 
Dec 19 12:38:16.600 INFO [stderr] warning: constant item is never used: `HEIGHT`
Dec 19 12:38:16.600 INFO [stderr]   --> src/main.rs:22:1
Dec 19 12:38:16.600 INFO [stderr]    |
Dec 19 12:38:16.600 INFO [stderr] 22 | const HEIGHT:u32 = 100;
Dec 19 12:38:16.600 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:38:16.600 INFO [stderr] 
Dec 19 12:38:16.632 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.47s
Dec 19 12:38:17.214 INFO running `"docker" "inspect" "c11da3ca5b83fa53ce157fd521a764b53c5e7933ee7299e0e91dc7923dde30ac"`
Dec 19 12:38:17.488 INFO running `"docker" "rm" "-f" "c11da3ca5b83fa53ce157fd521a764b53c5e7933ee7299e0e91dc7923dde30ac"`
Dec 19 12:38:17.792 INFO [stdout] c11da3ca5b83fa53ce157fd521a764b53c5e7933ee7299e0e91dc7923dde30ac