[INFO] crate libremarkable 0.3.2 is already in cache
[INFO] checking libremarkable-0.3.2 against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] extracting crate libremarkable 0.3.2 into work/builds/worker-1/source
[INFO] validating manifest of crates.io crate libremarkable 0.3.2 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 libremarkable 0.3.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate libremarkable 0.3.2
[INFO] tweaked toml for crates.io crate libremarkable 0.3.2 written to work/builds/worker-1/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-1/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] 0ffbfd59d750f57bbd2e997f0abf7d9e19f5de026e9822edfa0387459ff83375
[INFO] running `"docker" "start" "-a" "0ffbfd59d750f57bbd2e997f0abf7d9e19f5de026e9822edfa0387459ff83375"`
[INFO] [stderr]     Checking ioctl-gen v0.1.1
[INFO] [stderr]     Checking atomic v0.4.5
[INFO] [stderr]     Checking aabb-quadtree v0.1.0
[INFO] [stderr]     Checking redhook v0.1.2
[INFO] [stderr]     Checking epoll v3.1.1
[INFO] [stderr]     Checking mmap v0.1.1
[INFO] [stderr]    Compiling lua52-sys v0.1.2
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking stopwatch v0.0.7
[INFO] [stderr]     Checking evdev v0.10.1
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking hlua v0.4.1
[INFO] [stderr]     Checking libremarkable v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0635]: unknown feature `const_size_of`
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(const_size_of)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0635`.
[INFO] [stderr] error[E0635]: unknown feature `const_size_of`
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(const_size_of)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `libremarkable`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0635`.
[INFO] [stderr] error: could not compile `libremarkable`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0ffbfd59d750f57bbd2e997f0abf7d9e19f5de026e9822edfa0387459ff83375"`
[INFO] running `"docker" "rm" "-f" "0ffbfd59d750f57bbd2e997f0abf7d9e19f5de026e9822edfa0387459ff83375"`
[INFO] [stdout] 0ffbfd59d750f57bbd2e997f0abf7d9e19f5de026e9822edfa0387459ff83375