Oct 13 01:41:38.897 INFO checking adolfosilva/vcrust against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977 Oct 13 01:41:38.897 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-alt check --frozen --all --all-targets" "-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"` Oct 13 01:41:39.406 INFO blam! 7ade996ca10c7cd673fd1aa2f2194d2fd6969e612bd379a53bf79f60e543665c Oct 13 01:41:39.408 INFO running `"docker" "start" "-a" "7ade996ca10c7cd673fd1aa2f2194d2fd6969e612bd379a53bf79f60e543665c"` Oct 13 01:41:40.860 INFO kablam! usermod: no changes Oct 13 01:41:40.960 INFO kablam! Compiling gcc v0.3.44 Oct 13 01:41:43.240 INFO kablam! Compiling vcrust v0.1.0 (/source) Oct 13 01:41:45.284 INFO kablam! warning: unused import: `std::iter::repeat` Oct 13 01:41:45.284 INFO kablam! --> src/ops.rs:1:5 Oct 13 01:41:45.284 INFO kablam! | Oct 13 01:41:45.284 INFO kablam! 1 | use std::iter::repeat; Oct 13 01:41:45.284 INFO kablam! | ^^^^^^^^^^^^^^^^^ Oct 13 01:41:45.284 INFO kablam! | Oct 13 01:41:45.284 INFO kablam! = note: #[warn(unused_imports)] on by default Oct 13 01:41:45.284 INFO kablam! Oct 13 01:41:45.284 INFO kablam! warning: unused import: `ImageType` Oct 13 01:41:45.284 INFO kablam! --> src/ops.rs:2:20 Oct 13 01:41:45.284 INFO kablam! | Oct 13 01:41:45.284 INFO kablam! 2 | use image::{Image, ImageType, Channel}; Oct 13 01:41:45.284 INFO kablam! | ^^^^^^^^^ Oct 13 01:41:45.284 INFO kablam! Oct 13 01:41:45.608 INFO kablam! warning: variable does not need to be mutable Oct 13 01:41:45.608 INFO kablam! --> src/image.rs:263:13 Oct 13 01:41:45.608 INFO kablam! | Oct 13 01:41:45.608 INFO kablam! 263 | let mut bits = bytes.map(|b| b.unwrap()).collect::>(); Oct 13 01:41:45.608 INFO kablam! | ----^^^^ Oct 13 01:41:45.608 INFO kablam! | | Oct 13 01:41:45.608 INFO kablam! | help: remove this `mut` Oct 13 01:41:45.608 INFO kablam! | Oct 13 01:41:45.608 INFO kablam! = note: #[warn(unused_mut)] on by default Oct 13 01:41:45.608 INFO kablam! Oct 13 01:41:45.652 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used Oct 13 01:41:45.652 INFO kablam! --> src/image.rs:295:9 Oct 13 01:41:45.652 INFO kablam! | Oct 13 01:41:45.652 INFO kablam! 295 | bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::>(); Oct 13 01:41:45.652 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 13 01:41:45.652 INFO kablam! | Oct 13 01:41:45.652 INFO kablam! = note: #[warn(unused_must_use)] on by default Oct 13 01:41:45.652 INFO kablam! = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead Oct 13 01:41:45.652 INFO kablam! Oct 13 01:41:45.800 INFO kablam! warning: variable does not need to be mutable Oct 13 01:41:45.800 INFO kablam! --> src/image.rs:263:13 Oct 13 01:41:45.800 INFO kablam! | Oct 13 01:41:45.800 INFO kablam! 263 | let mut bits = bytes.map(|b| b.unwrap()).collect::>(); Oct 13 01:41:45.800 INFO kablam! | ----^^^^ Oct 13 01:41:45.800 INFO kablam! | | Oct 13 01:41:45.800 INFO kablam! | help: remove this `mut` Oct 13 01:41:45.800 INFO kablam! | Oct 13 01:41:45.800 INFO kablam! = note: #[warn(unused_mut)] on by default Oct 13 01:41:45.800 INFO kablam! Oct 13 01:41:45.840 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used Oct 13 01:41:45.840 INFO kablam! --> src/image.rs:295:9 Oct 13 01:41:45.840 INFO kablam! | Oct 13 01:41:45.840 INFO kablam! 295 | bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::>(); Oct 13 01:41:45.840 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 13 01:41:45.840 INFO kablam! | Oct 13 01:41:45.840 INFO kablam! = note: #[warn(unused_must_use)] on by default Oct 13 01:41:45.840 INFO kablam! = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead Oct 13 01:41:45.840 INFO kablam! Oct 13 01:41:45.840 INFO kablam! warning: unused `std::result::Result` which must be used Oct 13 01:41:45.840 INFO kablam! --> src/image.rs:429:5 Oct 13 01:41:45.840 INFO kablam! | Oct 13 01:41:45.840 INFO kablam! 429 | img.write("image/barbara2.pgm"); Oct 13 01:41:45.840 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 13 01:41:45.840 INFO kablam! | Oct 13 01:41:45.840 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 13 01:41:45.840 INFO kablam! Oct 13 01:41:45.862 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 4.97s Oct 13 01:41:45.866 INFO kablam! su: No module specific data is present Oct 13 01:41:46.724 INFO running `"docker" "rm" "-f" "7ade996ca10c7cd673fd1aa2f2194d2fd6969e612bd379a53bf79f60e543665c"` Oct 13 01:41:47.024 INFO blam! 7ade996ca10c7cd673fd1aa2f2194d2fd6969e612bd379a53bf79f60e543665c