Dec 06 07:57:17.001 INFO testing adolfosilva/vcrust against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 07:57:17.001 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 07:57:17.161 INFO [stdout] 2f925fcaac37dc2e84862f55c86d0d7ef0a0a177ac5a4d9e4e64f16606a2341c
Dec 06 07:57:17.165 INFO running `"docker" "start" "-a" "2f925fcaac37dc2e84862f55c86d0d7ef0a0a177ac5a4d9e4e64f16606a2341c"`
Dec 06 07:57:17.591 INFO [stderr] usermod: no changes
Dec 06 07:57:17.636 INFO [stderr]    Compiling gcc v0.3.44
Dec 06 07:57:18.860 INFO [stderr]    Compiling vcrust v0.1.0 (/source)
Dec 06 07:57:19.760 INFO [stderr] warning: unused import: `std::iter::repeat`
Dec 06 07:57:19.760 INFO [stderr]  --> src/ops.rs:1:5
Dec 06 07:57:19.760 INFO [stderr]   |
Dec 06 07:57:19.760 INFO [stderr] 1 | use std::iter::repeat;
Dec 06 07:57:19.760 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 06 07:57:19.760 INFO [stderr]   |
Dec 06 07:57:19.760 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 07:57:19.760 INFO [stderr] 
Dec 06 07:57:19.760 INFO [stderr] warning: unused import: `ImageType`
Dec 06 07:57:19.760 INFO [stderr]  --> src/ops.rs:2:20
Dec 06 07:57:19.760 INFO [stderr]   |
Dec 06 07:57:19.760 INFO [stderr] 2 | use image::{Image, ImageType, Channel};
Dec 06 07:57:19.760 INFO [stderr]   |                    ^^^^^^^^^
Dec 06 07:57:19.760 INFO [stderr] 
Dec 06 07:57:19.962 INFO [stderr] warning: variable does not need to be mutable
Dec 06 07:57:19.963 INFO [stderr]    --> src/image.rs:263:13
Dec 06 07:57:19.963 INFO [stderr]     |
Dec 06 07:57:19.963 INFO [stderr] 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
Dec 06 07:57:19.963 INFO [stderr]     |             ----^^^^
Dec 06 07:57:19.963 INFO [stderr]     |             |
Dec 06 07:57:19.963 INFO [stderr]     |             help: remove this `mut`
Dec 06 07:57:19.963 INFO [stderr]     |
Dec 06 07:57:19.963 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 06 07:57:19.963 INFO [stderr] 
Dec 06 07:57:19.978 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 06 07:57:19.978 INFO [stderr]    --> src/image.rs:295:9
Dec 06 07:57:19.978 INFO [stderr]     |
Dec 06 07:57:19.978 INFO [stderr] 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
Dec 06 07:57:19.978 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:57:19.978 INFO [stderr]     |
Dec 06 07:57:19.978 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 06 07:57:19.978 INFO [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 06 07:57:19.978 INFO [stderr] 
Dec 06 07:57:20.596 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.98s
Dec 06 07:57:20.598 INFO [stderr] su: No module specific data is present
Dec 06 07:57:21.080 INFO running `"docker" "inspect" "2f925fcaac37dc2e84862f55c86d0d7ef0a0a177ac5a4d9e4e64f16606a2341c"`
Dec 06 07:57:21.399 INFO running `"docker" "rm" "-f" "2f925fcaac37dc2e84862f55c86d0d7ef0a0a177ac5a4d9e4e64f16606a2341c"`
Dec 06 07:57:21.662 INFO [stdout] 2f925fcaac37dc2e84862f55c86d0d7ef0a0a177ac5a4d9e4e64f16606a2341c
Dec 06 07:57:21.668 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 07:57:22.108 INFO [stdout] 962442efa0fcf5d4398be405c50fdb9caeb234e4a0277f9a7757cc32c280f0bf
Dec 06 07:57:22.116 INFO running `"docker" "start" "-a" "962442efa0fcf5d4398be405c50fdb9caeb234e4a0277f9a7757cc32c280f0bf"`
Dec 06 07:57:23.281 INFO [stderr] usermod: no changes
Dec 06 07:57:23.347 INFO [stderr]    Compiling vcrust v0.1.0 (/source)
Dec 06 07:57:23.868 INFO [stderr] warning: variable does not need to be mutable
Dec 06 07:57:23.868 INFO [stderr]    --> src/image.rs:263:13
Dec 06 07:57:23.868 INFO [stderr]     |
Dec 06 07:57:23.868 INFO [stderr] 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
Dec 06 07:57:23.868 INFO [stderr]     |             ----^^^^
Dec 06 07:57:23.868 INFO [stderr]     |             |
Dec 06 07:57:23.868 INFO [stderr]     |             help: remove this `mut`
Dec 06 07:57:23.868 INFO [stderr]     |
Dec 06 07:57:23.868 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 06 07:57:23.868 INFO [stderr] 
Dec 06 07:57:23.904 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 06 07:57:23.904 INFO [stderr]    --> src/image.rs:295:9
Dec 06 07:57:23.904 INFO [stderr]     |
Dec 06 07:57:23.904 INFO [stderr] 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
Dec 06 07:57:23.904 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:57:23.904 INFO [stderr]     |
Dec 06 07:57:23.904 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 06 07:57:23.904 INFO [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 06 07:57:23.904 INFO [stderr] 
Dec 06 07:57:23.904 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 07:57:23.904 INFO [stderr]    --> src/image.rs:429:5
Dec 06 07:57:23.904 INFO [stderr]     |
Dec 06 07:57:23.904 INFO [stderr] 429 |     img.write("image/barbara2.pgm");
Dec 06 07:57:23.904 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:57:23.904 INFO [stderr]     |
Dec 06 07:57:23.904 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 07:57:23.904 INFO [stderr] 
Dec 06 07:57:25.024 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
Dec 06 07:57:25.024 INFO [stderr] su: No module specific data is present
Dec 06 07:57:25.912 INFO running `"docker" "inspect" "962442efa0fcf5d4398be405c50fdb9caeb234e4a0277f9a7757cc32c280f0bf"`
Dec 06 07:57:26.178 INFO running `"docker" "rm" "-f" "962442efa0fcf5d4398be405c50fdb9caeb234e4a0277f9a7757cc32c280f0bf"`
Dec 06 07:57:26.472 INFO [stdout] 962442efa0fcf5d4398be405c50fdb9caeb234e4a0277f9a7757cc32c280f0bf