[INFO] updating cached repository ejaszewski/rs-raytracer [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ejaszewski/rs-raytracer [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ejaszewski/rs-raytracer" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/ejaszewski/rs-raytracer"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/ejaszewski/rs-raytracer'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ejaszewski/rs-raytracer" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/ejaszewski/rs-raytracer"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/ejaszewski/rs-raytracer'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 9937d096074288be257164f3991febe1c7295460 [INFO] sha for GitHub repo ejaszewski/rs-raytracer: 9937d096074288be257164f3991febe1c7295460 [INFO] validating manifest of ejaszewski/rs-raytracer on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ejaszewski/rs-raytracer on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing ejaszewski/rs-raytracer [INFO] finished frobbing ejaszewski/rs-raytracer [INFO] frobbed toml for ejaszewski/rs-raytracer written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/ejaszewski/rs-raytracer/Cargo.toml [INFO] started frobbing ejaszewski/rs-raytracer [INFO] finished frobbing ejaszewski/rs-raytracer [INFO] frobbed toml for ejaszewski/rs-raytracer written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/ejaszewski/rs-raytracer/Cargo.toml [INFO] crate ejaszewski/rs-raytracer already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking ejaszewski/rs-raytracer against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-4/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/ejaszewski/rs-raytracer:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] a9ef3e659514662533a13068d5c114d9c7a82cf29fe49328e3c06f05408f4958 [INFO] running `"docker" "start" "-a" "a9ef3e659514662533a13068d5c114d9c7a82cf29fe49328e3c06f05408f4958"` [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking rayon-core v1.4.1 [INFO] [stderr] Checking rayon v1.0.3 [INFO] [stderr] Checking nalgebra v0.16.12 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking image v0.20.1 [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-0.16.12/src/base/cg.rs:291:44 [INFO] [stderr] | [INFO] [stderr] 291 | 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 raytracer v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:141:13 [INFO] [stderr] | [INFO] [stderr] 141 | let mut t_minus = (-b - desc.sqrt()) / (2.0 * a); [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:142:13 [INFO] [stderr] | [INFO] [stderr] 142 | let mut t_plus = (-b + desc.sqrt()) / (2.0 * a); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:141:13 [INFO] [stderr] | [INFO] [stderr] 141 | let mut t_minus = (-b - desc.sqrt()) / (2.0 * a); [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:142:13 [INFO] [stderr] | [INFO] [stderr] 142 | let mut t_plus = (-b + desc.sqrt()) / (2.0 * a); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 41.96s [INFO] running `"docker" "inspect" "a9ef3e659514662533a13068d5c114d9c7a82cf29fe49328e3c06f05408f4958"` [INFO] running `"docker" "rm" "-f" "a9ef3e659514662533a13068d5c114d9c7a82cf29fe49328e3c06f05408f4958"` [INFO] [stdout] a9ef3e659514662533a13068d5c114d9c7a82cf29fe49328e3c06f05408f4958