[INFO] updating cached repository Yatekii/font-experiments [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Yatekii/font-experiments [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Yatekii/font-experiments" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/Yatekii/font-experiments"` [INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/Yatekii/font-experiments'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Yatekii/font-experiments" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/Yatekii/font-experiments"` [INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/Yatekii/font-experiments'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 29529c3b24823c622107dbd3c486370244d5e589 [INFO] sha for GitHub repo Yatekii/font-experiments: 29529c3b24823c622107dbd3c486370244d5e589 [INFO] validating manifest of Yatekii/font-experiments on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Yatekii/font-experiments on toolchain try#f45cc3094ee337acd688771b9234318046b0572d [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Yatekii/font-experiments [INFO] finished frobbing Yatekii/font-experiments [INFO] frobbed toml for Yatekii/font-experiments written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/Yatekii/font-experiments/Cargo.toml [INFO] started frobbing Yatekii/font-experiments [INFO] finished frobbing Yatekii/font-experiments [INFO] frobbed toml for Yatekii/font-experiments written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/Yatekii/font-experiments/Cargo.toml [INFO] crate Yatekii/font-experiments already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking Yatekii/font-experiments against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-6/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/Yatekii/font-experiments:/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] caac2cd1a9c86214dd467f07336d68a7d7df91384e43f05601ae51106d0f7446 [INFO] running `"docker" "start" "-a" "caac2cd1a9c86214dd467f07336d68a7d7df91384e43f05601ae51106d0f7446"` [INFO] [stderr] Checking alga v0.5.2 [INFO] [stderr] Checking image v0.18.0 [INFO] [stderr] Checking nalgebra v0.11.2 [INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.11.2/src/core/cg.rs:314:44 [INFO] [stderr] | [INFO] [stderr] 314 | self[(j, i)] += shift[j] * self[(D::dim() - 1, i)]; [INFO] [stderr] | ---------------------------^^^^------------------- [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow occurs here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | mutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] [INFO] [stderr] Checking imageproc v0.13.0 [INFO] [stderr] Checking font-experiments v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `dx` [INFO] [stderr] --> src/main.rs:55:29 [INFO] [stderr] | [INFO] [stderr] 55 | let dx = x; [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_dx` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dy` [INFO] [stderr] --> src/main.rs:56:29 [INFO] [stderr] | [INFO] [stderr] 56 | let dy = y; [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_dy` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `length` [INFO] [stderr] --> src/main.rs:70:1 [INFO] [stderr] | [INFO] [stderr] 70 | fn length(x: u32, y: u32) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dx` [INFO] [stderr] --> src/main.rs:55:29 [INFO] [stderr] | [INFO] [stderr] 55 | let dx = x; [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_dx` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dy` [INFO] [stderr] --> src/main.rs:56:29 [INFO] [stderr] | [INFO] [stderr] 56 | let dy = y; [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_dy` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `length` [INFO] [stderr] --> src/main.rs:70:1 [INFO] [stderr] | [INFO] [stderr] 70 | fn length(x: u32, y: u32) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 35.22s [INFO] running `"docker" "inspect" "caac2cd1a9c86214dd467f07336d68a7d7df91384e43f05601ae51106d0f7446"` [INFO] running `"docker" "rm" "-f" "caac2cd1a9c86214dd467f07336d68a7d7df91384e43f05601ae51106d0f7446"` [INFO] [stdout] caac2cd1a9c86214dd467f07336d68a7d7df91384e43f05601ae51106d0f7446