[INFO] updating cached repository https://github.com/SuperCuber/mandelsaver
[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] 0021716834160d623508f1cdb1652bb4a613eb6f
[INFO] checking SuperCuber/mandelsaver against try#00e4530a79c42b21a6ca2ac1edb597c90d21f89f for pr-64672
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperCuber%2Fmandelsaver" "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/SuperCuber/mandelsaver on toolchain 00e4530a79c42b21a6ca2ac1edb597c90d21f89f
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/SuperCuber/mandelsaver
[INFO] finished tweaking git repo https://github.com/SuperCuber/mandelsaver
[INFO] tweaked toml for git repo https://github.com/SuperCuber/mandelsaver written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/SuperCuber/mandelsaver already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/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" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f66e2ebc19057c3c7e7ab7d406884c902d3ef95bfedde1450146bc9dcbdd2de5
[INFO] running `"docker" "start" "-a" "f66e2ebc19057c3c7e7ab7d406884c902d3ef95bfedde1450146bc9dcbdd2de5"`
[INFO] [stderr]     Checking ogg v0.4.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]     Checking msdos_time v0.1.6
[INFO] [stderr]     Checking bzip2-sys v0.1.6
[INFO] [stderr]     Checking gfx_core v0.8.2
[INFO] [stderr]     Checking cgmath v0.14.1
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking rusttype v0.5.2
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking nalgebra v0.14.4
[INFO] [stderr]     Checking lewton v0.5.2
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking zip v0.3.3
[INFO] [stderr]     Checking rodio v0.7.0
[INFO] [stderr]     Checking gfx_device_gl v0.15.3
[INFO] [stderr]     Checking gfx v0.17.1
[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-0.14.4/src/core/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]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]     Checking gfx_glyph v0.10.2
[INFO] [stderr]     Checking gfx_window_sdl v0.8.0
[INFO] [stderr]     Checking ggez v0.4.3
[INFO] [stderr]     Checking mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 55s
[INFO] running `"docker" "inspect" "f66e2ebc19057c3c7e7ab7d406884c902d3ef95bfedde1450146bc9dcbdd2de5"`
[INFO] running `"docker" "rm" "-f" "f66e2ebc19057c3c7e7ab7d406884c902d3ef95bfedde1450146bc9dcbdd2de5"`
[INFO] [stdout] f66e2ebc19057c3c7e7ab7d406884c902d3ef95bfedde1450146bc9dcbdd2de5