[INFO] updating cached repository https://github.com/aleksanb/four4
[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] 1b3aa719f0b0ddde02c1b0e5f63827fd7301d98b
[INFO] checking aleksanb/four4 against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleksanb%2Ffour4" "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/aleksanb/four4 on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/aleksanb/four4
[INFO] finished tweaking git repo https://github.com/aleksanb/four4
[INFO] tweaked toml for git repo https://github.com/aleksanb/four4 written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/aleksanb/four4 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "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" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4ba31a5a1ff66e870bbf453ff30332756463b3115b8cdccf51d7c3335ec02f45
[INFO] running `"docker" "start" "-a" "4ba31a5a1ff66e870bbf453ff30332756463b3115b8cdccf51d7c3335ec02f45"`
[INFO] [stderr]    Compiling remove_dir_all v0.5.0
[INFO] [stderr]    Compiling vulkano v0.9.0
[INFO] [stderr]     Checking half v1.1.0
[INFO] [stderr]    Compiling cmake v0.1.29
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking tempfile v3.0.0
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking x11-dl v2.17.3
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking wayland-window v0.13.3
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.4
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking winit v0.11.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking vulkano-win v0.9.0
[INFO] [stderr]    Compiling vulkano-shaders v0.9.0
[INFO] [stderr]    Compiling vulkano-shader-derive v0.9.0
[INFO] [stderr]     Checking four4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::heap`
[INFO] [stderr]   --> src/main.rs:35:10
[INFO] [stderr]    |
[INFO] [stderr] 35 | use std::heap::System;
[INFO] [stderr]    |          ^^^^ could not find `heap` in `std`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:225:71
[INFO] [stderr]     |
[INFO] [stderr] 225 |     let mut previous_frame_end = Box::new(now(device.clone())) as Box<GpuFuture>;
[INFO] [stderr]     |                                                                       ^^^^^^^^^ help: use `dyn`: `dyn GpuFuture`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `four4`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0432]: unresolved import `std::heap`
[INFO] [stderr]   --> src/main.rs:35:10
[INFO] [stderr]    |
[INFO] [stderr] 35 | use std::heap::System;
[INFO] [stderr]    |          ^^^^ could not find `heap` in `std`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:225:71
[INFO] [stderr]     |
[INFO] [stderr] 225 |     let mut previous_frame_end = Box::new(now(device.clone())) as Box<GpuFuture>;
[INFO] [stderr]     |                                                                       ^^^^^^^^^ help: use `dyn`: `dyn GpuFuture`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `four4`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4ba31a5a1ff66e870bbf453ff30332756463b3115b8cdccf51d7c3335ec02f45"`
[INFO] running `"docker" "rm" "-f" "4ba31a5a1ff66e870bbf453ff30332756463b3115b8cdccf51d7c3335ec02f45"`
[INFO] [stdout] 4ba31a5a1ff66e870bbf453ff30332756463b3115b8cdccf51d7c3335ec02f45