[INFO] updating cached repository redox-os/bootloader-efi
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/redox-os/bootloader-efi
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/redox-os/bootloader-efi" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/redox-os/bootloader-efi"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/redox-os/bootloader-efi'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/redox-os/bootloader-efi" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/redox-os/bootloader-efi"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/redox-os/bootloader-efi'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 18ce15e71b5b8bf24fc3ff49e981c99c0a8a860d
[INFO] sha for GitHub repo redox-os/bootloader-efi: 18ce15e71b5b8bf24fc3ff49e981c99c0a8a860d
[INFO] validating manifest of redox-os/bootloader-efi on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of redox-os/bootloader-efi on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing redox-os/bootloader-efi
[INFO] finished frobbing redox-os/bootloader-efi
[INFO] frobbed toml for redox-os/bootloader-efi written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/redox-os/bootloader-efi/Cargo.toml
[INFO] started frobbing redox-os/bootloader-efi
[INFO] finished frobbing redox-os/bootloader-efi
[INFO] frobbed toml for redox-os/bootloader-efi written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/redox-os/bootloader-efi/Cargo.toml
[INFO] crate redox-os/bootloader-efi already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking redox-os/bootloader-efi against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-0/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/redox-os/bootloader-efi:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c4e5ae1a35a307f2456817aeb94fc1eb99ed5bb5c56580b9c48f939789d15ed4
[INFO] running `"docker" "start" "-a" "c4e5ae1a35a307f2456817aeb94fc1eb99ed5bb5c56580b9c48f939789d15ed4"`
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]     Checking redox_uefi v0.1.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking scroll v0.8.0
[INFO] [stderr]     Checking orbclient v0.3.21 (https://gitlab.redox-os.org/redox-os/orbclient.git?branch=no_std#d746b90d)
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking goblin v0.0.14
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling csv v0.14.7
[INFO] [stderr]     Checking redox_uefi_alloc v0.1.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking redox_uefi_std v0.1.0
[INFO] [stderr] error[E0432]: unresolved import `crate::slice::SliceConcatExt`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/redox_uefi_std-0.1.0/src/prelude.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub use crate::slice::SliceConcatExt;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `SliceConcatExt` in `slice`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute macro `global_allocator` in this scope
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/redox_uefi_std-0.1.0/src/lib.rs:99:3
[INFO] [stderr]    |
[INFO] [stderr] 99 | #[global_allocator]
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `redox_uefi_std`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c4e5ae1a35a307f2456817aeb94fc1eb99ed5bb5c56580b9c48f939789d15ed4"`
[INFO] running `"docker" "rm" "-f" "c4e5ae1a35a307f2456817aeb94fc1eb99ed5bb5c56580b9c48f939789d15ed4"`
[INFO] [stdout] c4e5ae1a35a307f2456817aeb94fc1eb99ed5bb5c56580b9c48f939789d15ed4