[INFO] fetching crate libremarkable 0.3.2...
[INFO] extracting crate libremarkable 0.3.2 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/libremarkable/0.3.2
[INFO] extracting crate libremarkable 0.3.2 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/libremarkable/0.3.2
[INFO] validating manifest of libremarkable-0.3.2 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of libremarkable-0.3.2 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing libremarkable-0.3.2
[INFO] removed 0 missing examples
[INFO] finished frobbing libremarkable-0.3.2
[INFO] frobbed toml for libremarkable-0.3.2 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/libremarkable/0.3.2/Cargo.toml
[INFO] started frobbing libremarkable-0.3.2
[INFO] removed 0 missing examples
[INFO] finished frobbing libremarkable-0.3.2
[INFO] frobbed toml for libremarkable-0.3.2 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/libremarkable/0.3.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking libremarkable-0.3.2 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-7/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/libremarkable/0.3.2:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c1edd6041f59923bac31c412ba0cd1be1b2c10e4bdc744db0577e1ab789d9ea4
[INFO] running `"docker" "start" "-a" "c1edd6041f59923bac31c412ba0cd1be1b2c10e4bdc744db0577e1ab789d9ea4"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Checking atomic v0.4.5
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking redhook v0.1.2
[INFO] [stderr]     Checking epoll v3.1.1
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking mmap v0.1.1
[INFO] [stderr]     Checking tiny_http v0.6.2
[INFO] [stderr]     Checking evdev v0.10.1
[INFO] [stderr]     Checking stopwatch v0.0.7
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling zstd-sys v1.4.10+zstd.1.4.0
[INFO] [stderr]    Compiling lua52-sys v0.1.2
[INFO] [stderr]     Checking hlua v0.4.1
[INFO] [stderr]     Checking zstd-safe v1.4.9+zstd.1.4.0
[INFO] [stderr]     Checking zstd v0.4.24+zstd.1.4.0
[INFO] [stderr]     Checking libremarkable v0.3.2 (/opt/crater/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: Could not compile `libremarkable`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: Could not compile `libremarkable`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c1edd6041f59923bac31c412ba0cd1be1b2c10e4bdc744db0577e1ab789d9ea4"`
[INFO] running `"docker" "rm" "-f" "c1edd6041f59923bac31c412ba0cd1be1b2c10e4bdc744db0577e1ab789d9ea4"`
[INFO] [stdout] c1edd6041f59923bac31c412ba0cd1be1b2c10e4bdc744db0577e1ab789d9ea4