[INFO] updating cached repository https://github.com/sctincman/shader_playground
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/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] bd9e700551e0a5f70e04e734687809b48ae3e9a3
[INFO] testing sctincman/shader_playground against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsctincman%2Fshader_playground" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sctincman/shader_playground on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sctincman/shader_playground
[INFO] finished tweaking git repo https://github.com/sctincman/shader_playground
[INFO] tweaked toml for git repo https://github.com/sctincman/shader_playground written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/sctincman/shader_playground already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] bfe9d75e88bc0e62ec29c9fdc68b388ad25d2a9107cc3c6415c9cf78551672c9
[INFO] running `"docker" "start" "-a" "bfe9d75e88bc0e62ec29c9fdc68b388ad25d2a9107cc3c6415c9cf78551672c9"`
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling approx v0.3.0
[INFO] [stderr]    Compiling alga v0.7.2
[INFO] [stderr]    Compiling nalgebra v0.16.8
[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-0.16.8/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]    Compiling shader_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `time_step`
[INFO] [stderr]    --> src/main.rs:136:24
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn step(&mut self, time_step: time::Duration) {
[INFO] [stderr]     |                        ^^^^^^^^^ help: consider prefixing with an underscore: `_time_step`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.74s
[INFO] running `"docker" "inspect" "bfe9d75e88bc0e62ec29c9fdc68b388ad25d2a9107cc3c6415c9cf78551672c9"`
[INFO] running `"docker" "rm" "-f" "bfe9d75e88bc0e62ec29c9fdc68b388ad25d2a9107cc3c6415c9cf78551672c9"`
[INFO] [stdout] bfe9d75e88bc0e62ec29c9fdc68b388ad25d2a9107cc3c6415c9cf78551672c9
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6ca05e979bf173bd2770fea4ee86711cf0ba89f87b8b44f6cf72728f70749c7f
[INFO] running `"docker" "start" "-a" "6ca05e979bf173bd2770fea4ee86711cf0ba89f87b8b44f6cf72728f70749c7f"`
[INFO] [stderr]    Compiling shader_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `time_step`
[INFO] [stderr]    --> src/main.rs:136:24
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn step(&mut self, time_step: time::Duration) {
[INFO] [stderr]     |                        ^^^^^^^^^ help: consider prefixing with an underscore: `_time_step`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "6ca05e979bf173bd2770fea4ee86711cf0ba89f87b8b44f6cf72728f70749c7f"`
[INFO] running `"docker" "rm" "-f" "6ca05e979bf173bd2770fea4ee86711cf0ba89f87b8b44f6cf72728f70749c7f"`
[INFO] [stdout] 6ca05e979bf173bd2770fea4ee86711cf0ba89f87b8b44f6cf72728f70749c7f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] a0e1071815f333a1728d0a9a77d9a88d56a11e9910bc88444f212a94f6409307
[INFO] running `"docker" "start" "-a" "a0e1071815f333a1728d0a9a77d9a88d56a11e9910bc88444f212a94f6409307"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shader_playground-2b5a7c35e37743d9
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a0e1071815f333a1728d0a9a77d9a88d56a11e9910bc88444f212a94f6409307"`
[INFO] running `"docker" "rm" "-f" "a0e1071815f333a1728d0a9a77d9a88d56a11e9910bc88444f212a94f6409307"`
[INFO] [stdout] a0e1071815f333a1728d0a9a77d9a88d56a11e9910bc88444f212a94f6409307