[INFO] crate winit 0.20.0-alpha2 is already in cache
[INFO] extracting crate winit 0.20.0-alpha2 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/winit/0.20.0-alpha2
[INFO] extracting crate winit 0.20.0-alpha2 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/winit/0.20.0-alpha2
[INFO] validating manifest of winit-0.20.0-alpha2 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of winit-0.20.0-alpha2 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing winit-0.20.0-alpha2
[INFO] finished frobbing winit-0.20.0-alpha2
[INFO] frobbed toml for winit-0.20.0-alpha2 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/winit/0.20.0-alpha2/Cargo.toml
[INFO] started frobbing winit-0.20.0-alpha2
[INFO] finished frobbing winit-0.20.0-alpha2
[INFO] frobbed toml for winit-0.20.0-alpha2 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/winit/0.20.0-alpha2/Cargo.toml
[INFO] crate winit-0.20.0-alpha2 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking winit-0.20.0-alpha2 against master#435236b8877cdb98c82eaebfb7887782277265c5 for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-6/master#435236b8877cdb98c82eaebfb7887782277265c5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/winit/0.20.0-alpha2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b933d2f21c43b852ebce40b88d59e05a01c290c48d9f85e27d0b8ec645e330bf
[INFO] running `"docker" "start" "-a" "b933d2f21c43b852ebce40b88d59e05a01c290c48d9f85e27d0b8ec645e330bf"`
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]    Compiling wayland-scanner v0.23.5
[INFO] [stderr]     Checking wayland-sys v0.23.5
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking wayland-commons v0.23.5
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]    Compiling wayland-client v0.23.5
[INFO] [stderr]    Compiling wayland-protocols v0.23.5
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking image v0.21.2
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.3
[INFO] [stderr]     Checking winit v0.20.0-alpha2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.14s
[INFO] running `"docker" "inspect" "b933d2f21c43b852ebce40b88d59e05a01c290c48d9f85e27d0b8ec645e330bf"`
[INFO] running `"docker" "rm" "-f" "b933d2f21c43b852ebce40b88d59e05a01c290c48d9f85e27d0b8ec645e330bf"`
[INFO] [stdout] b933d2f21c43b852ebce40b88d59e05a01c290c48d9f85e27d0b8ec645e330bf