[INFO] crate graphics_buffer 0.7.2 is already in cache
[INFO] checking graphics_buffer-0.7.2 against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] extracting crate graphics_buffer 0.7.2 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate graphics_buffer 0.7.2 on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate graphics_buffer 0.7.2
[INFO] removed 4 missing examples
[INFO] finished tweaking crates.io crate graphics_buffer 0.7.2
[INFO] tweaked toml for crates.io crate graphics_buffer 0.7.2 written to work/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate graphics_buffer 0.7.2 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] [stderr]     Blocking waiting for file lock on package cache
[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" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d4bc8840164a913b599c05d34dc1f4f6bc4f032a19c28ba59aa60bf8a9ee0bbf
[INFO] running `"docker" "start" "-a" "d4bc8840164a913b599c05d34dc1f4f6bc4f032a19c28ba59aa60bf8a9ee0bbf"`
[INFO] [stderr]     Checking piston-texture v0.8.0
[INFO] [stderr]     Checking rusttype v0.7.7
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking piston2d-graphics v0.35.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking image v0.22.2
[INFO] [stderr]     Checking graphics_buffer v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `piston_window`
[INFO] [stderr]  --> examples/window.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use piston_window::{
[INFO] [stderr]   |     ^^^^^^^^^^^^^ use of undeclared type or module `piston_window`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `to_g2d_texture` found for type `graphics_buffer::RenderBuffer` in the current scope
[INFO] [stderr]   --> examples/window.rs:59:10
[INFO] [stderr]    |
[INFO] [stderr] 59 |         .to_g2d_texture(
[INFO] [stderr]    |          ^^^^^^^^^^^^^^ method not found in `graphics_buffer::RenderBuffer`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `graphics_buffer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d4bc8840164a913b599c05d34dc1f4f6bc4f032a19c28ba59aa60bf8a9ee0bbf"`
[INFO] running `"docker" "rm" "-f" "d4bc8840164a913b599c05d34dc1f4f6bc4f032a19c28ba59aa60bf8a9ee0bbf"`
[INFO] [stdout] d4bc8840164a913b599c05d34dc1f4f6bc4f032a19c28ba59aa60bf8a9ee0bbf