[INFO] updating cached repository https://github.com/dmitmel/pentomino101
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d3af7d6fcf98e045fd47406ab310eb0ab7dc2d70
[INFO] checking dmitmel/pentomino101 against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmitmel%2Fpentomino101" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dmitmel/pentomino101 on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dmitmel/pentomino101
[INFO] finished tweaking git repo https://github.com/dmitmel/pentomino101
[INFO] tweaked toml for git repo https://github.com/dmitmel/pentomino101 written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/dmitmel/pentomino101 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fa8aeb06488d3cb08f1aa00070a987d0f7a2f7b3eca9c4408688776b7bfc20c1
[INFO] running `"docker" "start" "-a" "fa8aeb06488d3cb08f1aa00070a987d0f7a2f7b3eca9c4408688776b7bfc20c1"`
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking sdl2-sys v0.32.6
[INFO] [stderr]     Checking num-complex v0.2.2
[INFO] [stderr]     Checking alga v0.7.2
[INFO] [stderr]     Checking sdl2 v0.32.2
[INFO] [stderr]     Checking nalgebra v0.16.13
[INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.16.13/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]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]     Checking nalgebra-glm v0.1.3
[INFO] [stderr]     Checking pentomino101 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/grid.rs:76:10
[INFO] [stderr]    |
[INFO] [stderr] 76 |     for (index, color) in picture.trim_matches('\n').chars().enumerate() {
[INFO] [stderr]    |          ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `delta_time`
[INFO] [stderr]    --> src/grid.rs:163:28
[INFO] [stderr]     |
[INFO] [stderr] 163 |   pub fn update(&mut self, delta_time: Time) {}
[INFO] [stderr]     |                            ^^^^^^^^^^ help: consider prefixing with an underscore: `_delta_time`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `duration_float` has been stable since 1.38.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(duration_float)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/grid.rs:76:10
[INFO] [stderr]    |
[INFO] [stderr] 76 |     for (index, color) in picture.trim_matches('\n').chars().enumerate() {
[INFO] [stderr]    |          ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `delta_time`
[INFO] [stderr]    --> src/grid.rs:163:28
[INFO] [stderr]     |
[INFO] [stderr] 163 |   pub fn update(&mut self, delta_time: Time) {}
[INFO] [stderr]     |                            ^^^^^^^^^^ help: consider prefixing with an underscore: `_delta_time`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `duration_float` has been stable since 1.38.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(duration_float)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.18s
[INFO] running `"docker" "inspect" "fa8aeb06488d3cb08f1aa00070a987d0f7a2f7b3eca9c4408688776b7bfc20c1"`
[INFO] running `"docker" "rm" "-f" "fa8aeb06488d3cb08f1aa00070a987d0f7a2f7b3eca9c4408688776b7bfc20c1"`
[INFO] [stdout] fa8aeb06488d3cb08f1aa00070a987d0f7a2f7b3eca9c4408688776b7bfc20c1