[INFO] updating cached repository mpizenberg/computer-vision-rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/mpizenberg/computer-vision-rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/mpizenberg/computer-vision-rs" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/mpizenberg/computer-vision-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/mpizenberg/computer-vision-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mpizenberg/computer-vision-rs" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/mpizenberg/computer-vision-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/mpizenberg/computer-vision-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 121852e4982902629d1ad6533c6257fe97bd4500 [INFO] sha for GitHub repo mpizenberg/computer-vision-rs: 121852e4982902629d1ad6533c6257fe97bd4500 [INFO] validating manifest of mpizenberg/computer-vision-rs 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 mpizenberg/computer-vision-rs 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 mpizenberg/computer-vision-rs [INFO] finished frobbing mpizenberg/computer-vision-rs [INFO] frobbed toml for mpizenberg/computer-vision-rs written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/mpizenberg/computer-vision-rs/Cargo.toml [INFO] started frobbing mpizenberg/computer-vision-rs [INFO] finished frobbing mpizenberg/computer-vision-rs [INFO] frobbed toml for mpizenberg/computer-vision-rs written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/mpizenberg/computer-vision-rs/Cargo.toml [INFO] crate mpizenberg/computer-vision-rs 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 mpizenberg/computer-vision-rs against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-1/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/mpizenberg/computer-vision-rs:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] a04e2aff2e3bbee1c9d05067fb87f91ad62bf3705431e5e51f03abef30c8cf36 [INFO] running `"docker" "start" "-a" "a04e2aff2e3bbee1c9d05067fb87f91ad62bf3705431e5e51f03abef30c8cf36"` [INFO] [stderr] Compiling num-complex v0.2.0 [INFO] [stderr] Checking serde v1.0.35 [INFO] [stderr] Checking atty v0.2.10 [INFO] [stderr] Checking petgraph v0.4.12 [INFO] [stderr] Checking inflate v0.4.2 [INFO] [stderr] Checking deflate v0.7.18 [INFO] [stderr] Checking rand v0.5.1 [INFO] [stderr] Checking gif v0.10.0 [INFO] [stderr] Checking tempfile v3.0.2 [INFO] [stderr] Checking aho-corasick v0.6.6 [INFO] [stderr] Checking nom v4.0.0 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling num-traits v0.2.4 [INFO] [stderr] Checking backtrace-sys v0.1.23 [INFO] [stderr] Compiling gl_generator v0.9.0 [INFO] [stderr] Checking num-integer v0.1.36 [INFO] [stderr] Checking approx v0.2.0 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Compiling syn v0.14.2 [INFO] [stderr] Checking x11-dl v2.17.5 [INFO] [stderr] Checking generic-array v0.11.0 [INFO] [stderr] Checking regex v1.0.1 [INFO] [stderr] Checking backtrace v0.3.8 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-iter v0.1.35 [INFO] [stderr] Checking rayon-core v1.4.0 [INFO] [stderr] Checking wayland-sys v0.12.5 [INFO] [stderr] Checking daggy v0.5.0 [INFO] [stderr] Checking rusttype v0.5.2 [INFO] [stderr] Checking alga v0.6.0 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Checking rayon v1.0.1 [INFO] [stderr] Compiling glutin v0.14.0 [INFO] [stderr] Compiling glium v0.21.0 [INFO] [stderr] Checking env_logger v0.5.10 [INFO] [stderr] Checking wayland-client v0.12.5 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking nalgebra v0.15.3 [INFO] [stderr] Checking jpeg-decoder v0.1.14 [INFO] [stderr] Compiling num-derive v0.2.2 [INFO] [stderr] Checking quickcheck v0.6.2 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking pistoncore-input v0.21.0 [INFO] [stderr] Checking serde_json v1.0.13 [INFO] [stderr] Checking wayland-protocols v0.12.5 [INFO] [stderr] Checking wayland-kbd v0.13.1 [INFO] [stderr] Checking image v0.19.0 [INFO] [stderr] Checking wayland-window v0.13.3 [INFO] [stderr] Checking winit v0.12.0 [INFO] [stderr] Checking conrod v0.60.0 [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-0.15.3/src/base/cg.rs:292:44 [INFO] [stderr] | [INFO] [stderr] 292 | 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 computer-vision-rs v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: function is never used: `half_gradients` [INFO] [stderr] --> examples/gradient_pyramid.rs:90:1 [INFO] [stderr] | [INFO] [stderr] 90 | fn half_gradients(mat: &DMatrix) -> DMatrix<(i16, i16, u16)> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `g_x` [INFO] [stderr] --> examples/gradient.rs:23:14 [INFO] [stderr] | [INFO] [stderr] 23 | let (g_x, g_y) = gradient_2(&img_matrix); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_g_x` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `g_y` [INFO] [stderr] --> examples/gradient.rs:23:19 [INFO] [stderr] | [INFO] [stderr] 23 | let (g_x, g_y) = gradient_2(&img_matrix); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_g_y` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gradient_x_inner_for` [INFO] [stderr] --> examples/gradient.rs:53:1 [INFO] [stderr] | [INFO] [stderr] 53 | fn gradient_x_inner_for(mat: &DMatrix) -> DMatrix { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gradient_y_inner_for` [INFO] [stderr] --> examples/gradient.rs:66:1 [INFO] [stderr] | [INFO] [stderr] 66 | fn gradient_y_inner_for(mat: &DMatrix) -> DMatrix { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gradient_x_inner_from_fn` [INFO] [stderr] --> examples/gradient.rs:81:1 [INFO] [stderr] | [INFO] [stderr] 81 | fn gradient_x_inner_from_fn(mat: &DMatrix) -> DMatrix { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gradient_y_inner_from_fn` [INFO] [stderr] --> examples/gradient.rs:88:1 [INFO] [stderr] | [INFO] [stderr] 88 | fn gradient_y_inner_from_fn(mat: &DMatrix) -> DMatrix { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 20s [INFO] running `"docker" "inspect" "a04e2aff2e3bbee1c9d05067fb87f91ad62bf3705431e5e51f03abef30c8cf36"` [INFO] running `"docker" "rm" "-f" "a04e2aff2e3bbee1c9d05067fb87f91ad62bf3705431e5e51f03abef30c8cf36"` [INFO] [stdout] a04e2aff2e3bbee1c9d05067fb87f91ad62bf3705431e5e51f03abef30c8cf36