[INFO] updating cached repository emk/toyos-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/emk/toyos-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/emk/toyos-rs" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/emk/toyos-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/emk/toyos-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/emk/toyos-rs" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/emk/toyos-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/emk/toyos-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fdc5fb8cc8152a63d1b6c85cd357737e6b1aebb5
[INFO] sha for GitHub repo emk/toyos-rs: fdc5fb8cc8152a63d1b6c85cd357737e6b1aebb5
[INFO] validating manifest of emk/toyos-rs on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of emk/toyos-rs on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing emk/toyos-rs
[INFO] removed path dependency alloc_buddy_simple from emk/toyos-rs
[INFO] removed path dependency cpuio from emk/toyos-rs
[INFO] removed path dependency pic8259_simple from emk/toyos-rs
[INFO] finished frobbing emk/toyos-rs
[INFO] frobbed toml for emk/toyos-rs written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/emk/toyos-rs/Cargo.toml
[INFO] started frobbing emk/toyos-rs
[INFO] removed path dependency alloc_buddy_simple from emk/toyos-rs
[INFO] removed path dependency cpuio from emk/toyos-rs
[INFO] removed path dependency pic8259_simple from emk/toyos-rs
[INFO] finished frobbing emk/toyos-rs
[INFO] frobbed toml for emk/toyos-rs written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/emk/toyos-rs/Cargo.toml
[INFO] crate emk/toyos-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/emk/toyos-rs/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded alloc_buddy_simple v0.1.2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking emk/toyos-rs against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-1/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/emk/toyos-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d57e5d67eb2e406c9886281f155d08f3cbdff61d99e06460345e6114bd3d7993
[INFO] running `"docker" "start" "-a" "d57e5d67eb2e406c9886281f155d08f3cbdff61d99e06460345e6114bd3d7993"`
[INFO] [stderr] warning: dependency (alloc_buddy_simple) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (cpuio) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (pic8259_simple) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Checking spin v0.3.5
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking alloc_buddy_simple v0.1.2
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/alloc_buddy_simple-0.1.2/src/lib.rs:12:56
[INFO] [stderr]    |
[INFO] [stderr] 12 | #![cfg_attr(feature = "use-as-rust-allocator", feature(allocator, const_fn))]
[INFO] [stderr]    |                                                        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: non-builtin inner attributes are unstable (see issue #54726)
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/alloc_buddy_simple-0.1.2/src/lib.rs:13:48
[INFO] [stderr]    |
[INFO] [stderr] 13 | #![cfg_attr(feature = "use-as-rust-allocator", allocator)]
[INFO] [stderr]    |                                                ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add #![feature(custom_inner_attributes)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The attribute `allocator` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/alloc_buddy_simple-0.1.2/src/lib.rs:13:48
[INFO] [stderr]    |
[INFO] [stderr] 13 | #![cfg_attr(feature = "use-as-rust-allocator", allocator)]
[INFO] [stderr]    |                                                ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0557, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0557`.
[INFO] [stderr] error: Could not compile `alloc_buddy_simple`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d57e5d67eb2e406c9886281f155d08f3cbdff61d99e06460345e6114bd3d7993"`
[INFO] running `"docker" "rm" "-f" "d57e5d67eb2e406c9886281f155d08f3cbdff61d99e06460345e6114bd3d7993"`
[INFO] [stdout] d57e5d67eb2e406c9886281f155d08f3cbdff61d99e06460345e6114bd3d7993