Nov 30 07:36:37.409 INFO checking adolfosilva/vcrust against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323 Nov 30 07:36:37.410 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"` Nov 30 07:36:37.933 INFO [stdout] 8dc97a5525618238db29cb81177ebfe3f137a685a7f04e75459e7e44e2dedc6f Nov 30 07:36:37.936 INFO running `"docker" "start" "-a" "8dc97a5525618238db29cb81177ebfe3f137a685a7f04e75459e7e44e2dedc6f"` Nov 30 07:36:40.068 INFO [stderr] usermod: no changes Nov 30 07:36:40.174 INFO [stderr] Compiling gcc v0.3.44 Nov 30 07:36:43.432 INFO [stderr] Compiling vcrust v0.1.0 (/source) Nov 30 07:36:44.792 INFO [stderr] warning: unused import: `std::iter::repeat` Nov 30 07:36:44.792 INFO [stderr] --> src/ops.rs:1:5 Nov 30 07:36:44.793 INFO [stderr] | Nov 30 07:36:44.793 INFO [stderr] 1 | use std::iter::repeat; Nov 30 07:36:44.793 INFO [stderr] | ^^^^^^^^^^^^^^^^^ Nov 30 07:36:44.793 INFO [stderr] | Nov 30 07:36:44.793 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 30 07:36:44.793 INFO [stderr] Nov 30 07:36:44.793 INFO [stderr] warning: unused import: `ImageType` Nov 30 07:36:44.793 INFO [stderr] --> src/ops.rs:2:20 Nov 30 07:36:44.793 INFO [stderr] | Nov 30 07:36:44.793 INFO [stderr] 2 | use image::{Image, ImageType, Channel}; Nov 30 07:36:44.793 INFO [stderr] | ^^^^^^^^^ Nov 30 07:36:44.793 INFO [stderr] Nov 30 07:36:45.088 INFO [stderr] warning: variable does not need to be mutable Nov 30 07:36:45.088 INFO [stderr] --> src/image.rs:263:13 Nov 30 07:36:45.088 INFO [stderr] | Nov 30 07:36:45.088 INFO [stderr] 263 | let mut bits = bytes.map(|b| b.unwrap()).collect::>(); Nov 30 07:36:45.088 INFO [stderr] | ----^^^^ Nov 30 07:36:45.088 INFO [stderr] | | Nov 30 07:36:45.088 INFO [stderr] | help: remove this `mut` Nov 30 07:36:45.088 INFO [stderr] | Nov 30 07:36:45.088 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 30 07:36:45.088 INFO [stderr] Nov 30 07:36:45.115 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used Nov 30 07:36:45.115 INFO [stderr] --> src/image.rs:295:9 Nov 30 07:36:45.115 INFO [stderr] | Nov 30 07:36:45.115 INFO [stderr] 295 | bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::>(); Nov 30 07:36:45.115 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 07:36:45.115 INFO [stderr] | Nov 30 07:36:45.115 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 30 07:36:45.115 INFO [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead Nov 30 07:36:45.115 INFO [stderr] Nov 30 07:36:45.464 INFO [stderr] warning: variable does not need to be mutable Nov 30 07:36:45.464 INFO [stderr] --> src/image.rs:263:13 Nov 30 07:36:45.464 INFO [stderr] | Nov 30 07:36:45.464 INFO [stderr] 263 | let mut bits = bytes.map(|b| b.unwrap()).collect::>(); Nov 30 07:36:45.464 INFO [stderr] | ----^^^^ Nov 30 07:36:45.464 INFO [stderr] | | Nov 30 07:36:45.464 INFO [stderr] | help: remove this `mut` Nov 30 07:36:45.464 INFO [stderr] | Nov 30 07:36:45.464 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 30 07:36:45.464 INFO [stderr] Nov 30 07:36:45.498 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used Nov 30 07:36:45.498 INFO [stderr] --> src/image.rs:295:9 Nov 30 07:36:45.498 INFO [stderr] | Nov 30 07:36:45.498 INFO [stderr] 295 | bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::>(); Nov 30 07:36:45.498 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 07:36:45.498 INFO [stderr] | Nov 30 07:36:45.498 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 30 07:36:45.498 INFO [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead Nov 30 07:36:45.498 INFO [stderr] Nov 30 07:36:45.500 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 07:36:45.500 INFO [stderr] --> src/image.rs:429:5 Nov 30 07:36:45.500 INFO [stderr] | Nov 30 07:36:45.500 INFO [stderr] 429 | img.write("image/barbara2.pgm"); Nov 30 07:36:45.500 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 07:36:45.500 INFO [stderr] | Nov 30 07:36:45.500 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 07:36:45.500 INFO [stderr] Nov 30 07:36:45.572 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.47s Nov 30 07:36:45.572 INFO [stderr] su: No module specific data is present Nov 30 07:36:46.503 INFO running `"docker" "inspect" "8dc97a5525618238db29cb81177ebfe3f137a685a7f04e75459e7e44e2dedc6f"` Nov 30 07:36:46.744 INFO running `"docker" "rm" "-f" "8dc97a5525618238db29cb81177ebfe3f137a685a7f04e75459e7e44e2dedc6f"` Nov 30 07:36:47.168 INFO [stdout] 8dc97a5525618238db29cb81177ebfe3f137a685a7f04e75459e7e44e2dedc6f