[INFO] updating cached repository zesterer/glint [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/zesterer/glint [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/zesterer/glint" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/zesterer/glint"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/zesterer/glint'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/zesterer/glint" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/zesterer/glint"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/zesterer/glint'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2f91f3e93749ac5c5d230df3bb5652957bec0890 [INFO] sha for GitHub repo zesterer/glint: 2f91f3e93749ac5c5d230df3bb5652957bec0890 [INFO] validating manifest of zesterer/glint on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of zesterer/glint on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing zesterer/glint [INFO] finished frobbing zesterer/glint [INFO] frobbed toml for zesterer/glint written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/zesterer/glint/Cargo.toml [INFO] started frobbing zesterer/glint [INFO] finished frobbing zesterer/glint [INFO] frobbed toml for zesterer/glint written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/zesterer/glint/Cargo.toml [INFO] crate zesterer/glint already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking zesterer/glint against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/zesterer/glint:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] cabd6eef8880b90f7ed5b82cbd0345efdd5573bb6cc93db11ccf97198be85723 [INFO] running `"docker" "start" "-a" "cabd6eef8880b90f7ed5b82cbd0345efdd5573bb6cc93db11ccf97198be85723"` [INFO] [stderr] Compiling cc v1.0.28 [INFO] [stderr] Compiling libc v0.2.47 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling xml-rs v0.8.0 [INFO] [stderr] Compiling nix v0.12.0 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling khronos_api v3.0.0 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Checking downcast-rs v1.0.3 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking xdg v2.2.0 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking rustc-demangle v0.1.13 [INFO] [stderr] Checking approx v0.1.1 [INFO] [stderr] Compiling rand v0.6.4 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking stb_truetype v0.2.5 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking walkdir v2.2.7 [INFO] [stderr] Checking smallvec v0.6.7 [INFO] [stderr] Compiling wayland-scanner v0.21.10 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling vek v0.9.5 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Compiling gl_generator v0.10.0 [INFO] [stderr] Compiling x11-dl v2.18.3 [INFO] [stderr] Checking rand_os v0.1.1 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking shared_library v0.1.9 [INFO] [stderr] Checking osmesa-sys v0.1.2 [INFO] [stderr] Checking ordered-float v1.0.1 [INFO] [stderr] Checking approx v0.3.1 [INFO] [stderr] Checking line_drawing v0.7.0 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking rusttype v0.7.3 [INFO] [stderr] Compiling wayland-client v0.21.10 [INFO] [stderr] Compiling wayland-protocols v0.21.10 [INFO] [stderr] Compiling libloading v0.5.0 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking andrew v0.1.5 [INFO] [stderr] Checking parking_lot_core v0.4.0 [INFO] [stderr] Compiling glutin v0.19.0 [INFO] [stderr] Compiling glium v0.23.0 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking dlib v0.4.1 [INFO] [stderr] Checking wayland-sys v0.21.10 [INFO] [stderr] Checking wayland-commons v0.21.10 [INFO] [stderr] Checking smithay-client-toolkit v0.4.4 [INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.5/src/mat.rs:1703:31 [INFO] [stderr] | [INFO] [stderr] 1703 | rows[3][0] += rows[0].dot(t); [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] 3729 | mat_declare_modules!{} [INFO] [stderr] | ---------------------- in this macro invocation [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] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.5/src/mat.rs:1704:31 [INFO] [stderr] | [INFO] [stderr] 1704 | rows[3][1] += rows[1].dot(t); [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] 3729 | mat_declare_modules!{} [INFO] [stderr] | ---------------------- in this macro invocation [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] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.5/src/mat.rs:1705:31 [INFO] [stderr] | [INFO] [stderr] 1705 | rows[3][2] += rows[2].dot(t); [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] 3729 | mat_declare_modules!{} [INFO] [stderr] | ---------------------- in this macro invocation [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] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.5/src/mat.rs:1706:31 [INFO] [stderr] | [INFO] [stderr] 1706 | rows[3][3] += rows[3].dot(t); [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] 3729 | mat_declare_modules!{} [INFO] [stderr] | ---------------------- in this macro invocation [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] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.5/src/mat.rs:1703:31 [INFO] [stderr] | [INFO] [stderr] 1703 | rows[3][0] += rows[0].dot(t); [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] 3729 | mat_declare_modules!{} [INFO] [stderr] | ---------------------- in this macro invocation [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] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.5/src/mat.rs:1704:31 [INFO] [stderr] | [INFO] [stderr] 1704 | rows[3][1] += rows[1].dot(t); [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] 3729 | mat_declare_modules!{} [INFO] [stderr] | ---------------------- in this macro invocation [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] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.5/src/mat.rs:1705:31 [INFO] [stderr] | [INFO] [stderr] 1705 | rows[3][2] += rows[2].dot(t); [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] 3729 | mat_declare_modules!{} [INFO] [stderr] | ---------------------- in this macro invocation [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] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.5/src/mat.rs:1706:31 [INFO] [stderr] | [INFO] [stderr] 1706 | rows[3][3] += rows[3].dot(t); [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] 3729 | mat_declare_modules!{} [INFO] [stderr] | ---------------------- in this macro invocation [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] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.5/src/mat.rs:1703:31 [INFO] [stderr] | [INFO] [stderr] 1703 | rows[3][0] += rows[0].dot(t); [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] 3751 | mat_declare_modules!{} [INFO] [stderr] | ---------------------- in this macro invocation [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] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.5/src/mat.rs:1704:31 [INFO] [stderr] | [INFO] [stderr] 1704 | rows[3][1] += rows[1].dot(t); [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] 3751 | mat_declare_modules!{} [INFO] [stderr] | ---------------------- in this macro invocation [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] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.5/src/mat.rs:1705:31 [INFO] [stderr] | [INFO] [stderr] 1705 | rows[3][2] += rows[2].dot(t); [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] 3751 | mat_declare_modules!{} [INFO] [stderr] | ---------------------- in this macro invocation [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] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.5/src/mat.rs:1706:31 [INFO] [stderr] | [INFO] [stderr] 1706 | rows[3][3] += rows[3].dot(t); [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] 3751 | mat_declare_modules!{} [INFO] [stderr] | ---------------------- in this macro invocation [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] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.5/src/mat.rs:1703:31 [INFO] [stderr] | [INFO] [stderr] 1703 | rows[3][0] += rows[0].dot(t); [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] 3751 | mat_declare_modules!{} [INFO] [stderr] | ---------------------- in this macro invocation [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] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.5/src/mat.rs:1704:31 [INFO] [stderr] | [INFO] [stderr] 1704 | rows[3][1] += rows[1].dot(t); [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] 3751 | mat_declare_modules!{} [INFO] [stderr] | ---------------------- in this macro invocation [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] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.5/src/mat.rs:1705:31 [INFO] [stderr] | [INFO] [stderr] 1705 | rows[3][2] += rows[2].dot(t); [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] 3751 | mat_declare_modules!{} [INFO] [stderr] | ---------------------- in this macro invocation [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] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.5/src/mat.rs:1706:31 [INFO] [stderr] | [INFO] [stderr] 1706 | rows[3][3] += rows[3].dot(t); [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] 3751 | mat_declare_modules!{} [INFO] [stderr] | ---------------------- in this macro invocation [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] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Checking winit v0.18.1 [INFO] [stderr] Checking glint v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:89:29 [INFO] [stderr] | [INFO] [stderr] 89 | display.gl_window().grab_cursor(grab); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:89:29 [INFO] [stderr] | [INFO] [stderr] 89 | display.gl_window().grab_cursor(grab); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [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 1m 55s [INFO] running `"docker" "inspect" "cabd6eef8880b90f7ed5b82cbd0345efdd5573bb6cc93db11ccf97198be85723"` [INFO] running `"docker" "rm" "-f" "cabd6eef8880b90f7ed5b82cbd0345efdd5573bb6cc93db11ccf97198be85723"` [INFO] [stdout] cabd6eef8880b90f7ed5b82cbd0345efdd5573bb6cc93db11ccf97198be85723