[INFO] updating cached repository adolfosilva/vcrust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/adolfosilva/vcrust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/adolfosilva/vcrust" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/adolfosilva/vcrust"` [INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/adolfosilva/vcrust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/adolfosilva/vcrust" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/adolfosilva/vcrust"` [INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/adolfosilva/vcrust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5be43fade21a56d8f69c8f0f5a928fdc99cea47f [INFO] sha for GitHub repo adolfosilva/vcrust: 5be43fade21a56d8f69c8f0f5a928fdc99cea47f [INFO] validating manifest of adolfosilva/vcrust on toolchain master#a850a426491e14186af2250549bf41256b5938d2 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of adolfosilva/vcrust on toolchain try#06a150c7d11500b41499224f165e9de1de096768 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing adolfosilva/vcrust [INFO] finished frobbing adolfosilva/vcrust [INFO] frobbed toml for adolfosilva/vcrust written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/adolfosilva/vcrust/Cargo.toml [INFO] started frobbing adolfosilva/vcrust [INFO] finished frobbing adolfosilva/vcrust [INFO] frobbed toml for adolfosilva/vcrust written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/adolfosilva/vcrust/Cargo.toml [INFO] crate adolfosilva/vcrust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking adolfosilva/vcrust against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-3/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/adolfosilva/vcrust:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 97b3d3edffa96da7d82a23733eb4d87bb1b1419b72e6005bd3a28d3d16b0f62e [INFO] running `"docker" "start" "-a" "97b3d3edffa96da7d82a23733eb4d87bb1b1419b72e6005bd3a28d3d16b0f62e"` [INFO] [stderr] Compiling gcc v0.3.44 [INFO] [stderr] Compiling vcrust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: the item `repeat` is imported redundantly [INFO] [stderr] --> src/image.rs:100:13 [INFO] [stderr] | [INFO] [stderr] 4 | use std::iter::repeat; [INFO] [stderr] | ----------------- the item `repeat` is already imported here [INFO] [stderr] ... [INFO] [stderr] 100 | use std::iter::repeat; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::iter::repeat` [INFO] [stderr] --> src/ops.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::iter::repeat; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `ImageType` [INFO] [stderr] --> src/ops.rs:2:20 [INFO] [stderr] | [INFO] [stderr] 2 | use image::{Image, ImageType, Channel}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `repeat` is imported redundantly [INFO] [stderr] --> src/image.rs:100:13 [INFO] [stderr] | [INFO] [stderr] 4 | use std::iter::repeat; [INFO] [stderr] | ----------------- the item `repeat` is already imported here [INFO] [stderr] ... [INFO] [stderr] 100 | use std::iter::repeat; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/image.rs:263:13 [INFO] [stderr] | [INFO] [stderr] 263 | let mut bits = bytes.map(|b| b.unwrap()).collect::>(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/image.rs:295:9 [INFO] [stderr] | [INFO] [stderr] 295 | bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::>(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/image.rs:263:13 [INFO] [stderr] | [INFO] [stderr] 263 | let mut bits = bytes.map(|b| b.unwrap()).collect::>(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/image.rs:295:9 [INFO] [stderr] | [INFO] [stderr] 295 | bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::>(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/image.rs:429:5 [INFO] [stderr] | [INFO] [stderr] 429 | img.write("image/barbara2.pgm"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.89s [INFO] running `"docker" "inspect" "97b3d3edffa96da7d82a23733eb4d87bb1b1419b72e6005bd3a28d3d16b0f62e"` [INFO] running `"docker" "rm" "-f" "97b3d3edffa96da7d82a23733eb4d87bb1b1419b72e6005bd3a28d3d16b0f62e"` [INFO] [stdout] 97b3d3edffa96da7d82a23733eb4d87bb1b1419b72e6005bd3a28d3d16b0f62e