Dec 02 01:39:13.740 INFO testing adolfosilva/vcrust against 1.30.1 for beta-1.31-5
Dec 02 01:39:13.740 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/1.30.1:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 01:39:14.141 INFO [stdout] df9b27633e6f5237fa8636ac37c2f154a1619e2d82cccda5756c058f028884bf
Dec 02 01:39:14.149 INFO running `"docker" "start" "-a" "df9b27633e6f5237fa8636ac37c2f154a1619e2d82cccda5756c058f028884bf"`
Dec 02 01:39:15.262 INFO [stderr] usermod: no changes
Dec 02 01:39:15.336 INFO [stderr]    Compiling gcc v0.3.44
Dec 02 01:39:17.915 INFO [stderr]    Compiling vcrust v0.1.0 (/source)
Dec 02 01:39:19.567 INFO [stderr] warning: unused import: `std::iter::repeat`
Dec 02 01:39:19.567 INFO [stderr]  --> src/ops.rs:1:5
Dec 02 01:39:19.567 INFO [stderr]   |
Dec 02 01:39:19.567 INFO [stderr] 1 | use std::iter::repeat;
Dec 02 01:39:19.567 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 02 01:39:19.567 INFO [stderr]   |
Dec 02 01:39:19.567 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 02 01:39:19.567 INFO [stderr] 
Dec 02 01:39:19.567 INFO [stderr] warning: unused import: `ImageType`
Dec 02 01:39:19.567 INFO [stderr]  --> src/ops.rs:2:20
Dec 02 01:39:19.567 INFO [stderr]   |
Dec 02 01:39:19.567 INFO [stderr] 2 | use image::{Image, ImageType, Channel};
Dec 02 01:39:19.567 INFO [stderr]   |                    ^^^^^^^^^
Dec 02 01:39:19.567 INFO [stderr] 
Dec 02 01:39:19.791 INFO [stderr] warning: variable does not need to be mutable
Dec 02 01:39:19.791 INFO [stderr]    --> src/image.rs:263:13
Dec 02 01:39:19.791 INFO [stderr]     |
Dec 02 01:39:19.791 INFO [stderr] 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
Dec 02 01:39:19.791 INFO [stderr]     |             ----^^^^
Dec 02 01:39:19.791 INFO [stderr]     |             |
Dec 02 01:39:19.791 INFO [stderr]     |             help: remove this `mut`
Dec 02 01:39:19.791 INFO [stderr]     |
Dec 02 01:39:19.791 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 02 01:39:19.791 INFO [stderr] 
Dec 02 01:39:19.811 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` which must be used
Dec 02 01:39:19.811 INFO [stderr]    --> src/image.rs:295:9
Dec 02 01:39:19.811 INFO [stderr]     |
Dec 02 01:39:19.811 INFO [stderr] 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
Dec 02 01:39:19.811 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:39:19.811 INFO [stderr]     |
Dec 02 01:39:19.811 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 02 01:39:19.811 INFO [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 02 01:39:19.811 INFO [stderr] 
Dec 02 01:39:20.899 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.59s
Dec 02 01:39:20.899 INFO [stderr] su: No module specific data is present
Dec 02 01:39:22.212 INFO running `"docker" "inspect" "df9b27633e6f5237fa8636ac37c2f154a1619e2d82cccda5756c058f028884bf"`
Dec 02 01:39:22.525 INFO running `"docker" "rm" "-f" "df9b27633e6f5237fa8636ac37c2f154a1619e2d82cccda5756c058f028884bf"`
Dec 02 01:39:22.824 INFO [stdout] df9b27633e6f5237fa8636ac37c2f154a1619e2d82cccda5756c058f028884bf
Dec 02 01:39:22.829 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/1.30.1:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 01:39:23.467 INFO [stdout] cca37c1d2e19dd96a8c48810c69187f181d4c8fa5355510a166236cfce3efa35
Dec 02 01:39:23.469 INFO running `"docker" "start" "-a" "cca37c1d2e19dd96a8c48810c69187f181d4c8fa5355510a166236cfce3efa35"`
Dec 02 01:39:26.206 INFO [stderr] usermod: no changes
Dec 02 01:39:26.293 INFO [stderr]    Compiling vcrust v0.1.0 (/source)
Dec 02 01:39:27.118 INFO [stderr] warning: variable does not need to be mutable
Dec 02 01:39:27.119 INFO [stderr]    --> src/image.rs:263:13
Dec 02 01:39:27.119 INFO [stderr]     |
Dec 02 01:39:27.120 INFO [stderr] 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
Dec 02 01:39:27.120 INFO [stderr]     |             ----^^^^
Dec 02 01:39:27.120 INFO [stderr]     |             |
Dec 02 01:39:27.121 INFO [stderr]     |             help: remove this `mut`
Dec 02 01:39:27.121 INFO [stderr]     |
Dec 02 01:39:27.122 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 02 01:39:27.122 INFO [stderr] 
Dec 02 01:39:27.152 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` which must be used
Dec 02 01:39:27.153 INFO [stderr]    --> src/image.rs:295:9
Dec 02 01:39:27.153 INFO [stderr]     |
Dec 02 01:39:27.153 INFO [stderr] 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
Dec 02 01:39:27.154 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:39:27.154 INFO [stderr]     |
Dec 02 01:39:27.155 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 02 01:39:27.155 INFO [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 02 01:39:27.155 INFO [stderr] 
Dec 02 01:39:27.155 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 02 01:39:27.156 INFO [stderr]    --> src/image.rs:429:5
Dec 02 01:39:27.156 INFO [stderr]     |
Dec 02 01:39:27.156 INFO [stderr] 429 |     img.write("image/barbara2.pgm");
Dec 02 01:39:27.157 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:39:27.157 INFO [stderr]     |
Dec 02 01:39:27.157 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 01:39:27.158 INFO [stderr] 
Dec 02 01:39:28.583 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
Dec 02 01:39:28.583 INFO [stderr] su: No module specific data is present
Dec 02 01:39:29.577 INFO running `"docker" "inspect" "cca37c1d2e19dd96a8c48810c69187f181d4c8fa5355510a166236cfce3efa35"`
Dec 02 01:39:29.867 INFO running `"docker" "rm" "-f" "cca37c1d2e19dd96a8c48810c69187f181d4c8fa5355510a166236cfce3efa35"`
Dec 02 01:39:30.223 INFO [stdout] cca37c1d2e19dd96a8c48810c69187f181d4c8fa5355510a166236cfce3efa35
