[INFO] cloning repository basile-henry/dither [INFO] running `"git" "clone" "--bare" "git://github.com/basile-henry/dither.git" "work/cache/sources/gh/basile-henry/dither"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/basile-henry/dither'... [INFO] running `"git" "clone" "work/cache/sources/gh/basile-henry/dither" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/basile-henry/dither"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/basile-henry/dither'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/basile-henry/dither" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/basile-henry/dither"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/basile-henry/dither'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 165ef0ba67db837b3926a7f8ebb6ef017f4297a3 [INFO] sha for GitHub repo basile-henry/dither: 165ef0ba67db837b3926a7f8ebb6ef017f4297a3 [INFO] validating manifest of basile-henry/dither on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of basile-henry/dither on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing basile-henry/dither [INFO] finished frobbing basile-henry/dither [INFO] frobbed toml for basile-henry/dither written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/basile-henry/dither/Cargo.toml [INFO] started frobbing basile-henry/dither [INFO] finished frobbing basile-henry/dither [INFO] frobbed toml for basile-henry/dither written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/basile-henry/dither/Cargo.toml [INFO] crate basile-henry/dither already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking basile-henry/dither against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-2/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/basile-henry/dither:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] e056ef67db10bebb14580e1bcb36095362d035564175a80b44ba97c3923f4e5e [INFO] running `"docker" "start" "-a" "e056ef67db10bebb14580e1bcb36095362d035564175a80b44ba97c3923f4e5e"` [INFO] [stderr] Compiling syn v0.15.30 [INFO] [stderr] Compiling num-derive v0.2.4 [INFO] [stderr] Checking tiff v0.2.2 [INFO] [stderr] Checking image v0.21.0 [INFO] [stderr] Checking dither v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: cannot borrow `*to` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 37 | let [rt, gt, bt] = &to.data; [INFO] [stderr] | -------- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 42 | to.clone_from(&Rgb([add_err(rt, re), add_err(gt, ge), add_err(bt, be)])); [INFO] [stderr] | ^^ -- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: #[warn(mutable_borrow_reservation_conflict)] on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*to` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 37 | let [rt, gt, bt] = &to.data; [INFO] [stderr] | -------- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 42 | to.clone_from(&Rgb([add_err(rt, re), add_err(gt, ge), add_err(bt, be)])); [INFO] [stderr] | ^^ -- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: #[warn(mutable_borrow_reservation_conflict)] on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 23.17s [INFO] running `"docker" "inspect" "e056ef67db10bebb14580e1bcb36095362d035564175a80b44ba97c3923f4e5e"` [INFO] running `"docker" "rm" "-f" "e056ef67db10bebb14580e1bcb36095362d035564175a80b44ba97c3923f4e5e"` [INFO] [stdout] e056ef67db10bebb14580e1bcb36095362d035564175a80b44ba97c3923f4e5e