[INFO] cloning repository flandre-os/FlandreOS
[INFO] running `"git" "clone" "--bare" "git://github.com/flandre-os/FlandreOS.git" "work/cache/sources/gh/flandre-os/FlandreOS"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/flandre-os/FlandreOS'...
[INFO] running `"git" "clone" "work/cache/sources/gh/flandre-os/FlandreOS" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/flandre-os/FlandreOS"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/flandre-os/FlandreOS'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/flandre-os/FlandreOS" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/flandre-os/FlandreOS"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/flandre-os/FlandreOS'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7757eaf534cca74c6a0370a7bd588d7270c859a2
[INFO] sha for GitHub repo flandre-os/FlandreOS: 7757eaf534cca74c6a0370a7bd588d7270c859a2
[INFO] validating manifest of flandre-os/FlandreOS on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of flandre-os/FlandreOS on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing flandre-os/FlandreOS
[INFO] removed 1 missing tests
[INFO] finished frobbing flandre-os/FlandreOS
[INFO] frobbed toml for flandre-os/FlandreOS written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/flandre-os/FlandreOS/Cargo.toml
[INFO] started frobbing flandre-os/FlandreOS
[INFO] removed 1 missing tests
[INFO] finished frobbing flandre-os/FlandreOS
[INFO] frobbed toml for flandre-os/FlandreOS written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/flandre-os/FlandreOS/Cargo.toml
[INFO] crate flandre-os/FlandreOS already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking flandre-os/FlandreOS against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-6/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/flandre-os/FlandreOS:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3c7ee9faa8d78eb0e591451c40994f0665cebf3e6c9410d44228feba57b059e5
[INFO] running `"docker" "start" "-a" "3c7ee9faa8d78eb0e591451c40994f0665cebf3e6c9410d44228feba57b059e5"`
[INFO] [stderr]    Compiling libc v0.2.57
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling llvm-tools v0.1.1
[INFO] [stderr]     Checking os_bootinfo v0.2.1
[INFO] [stderr]     Checking zero v0.1.2
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `x86_64-flandre_os-14842695479811610342` target may not be installed
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `bitflags`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `x86_64-flandre_os-14842695479811610342` target may not be installed
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `os_bootinfo`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `x86_64-flandre_os-14842695479811610342` target may not be installed
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `nodrop`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `x86_64-flandre_os-14842695479811610342` target may not be installed
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `zero`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "3c7ee9faa8d78eb0e591451c40994f0665cebf3e6c9410d44228feba57b059e5"`
[INFO] running `"docker" "rm" "-f" "3c7ee9faa8d78eb0e591451c40994f0665cebf3e6c9410d44228feba57b059e5"`
[INFO] [stdout] 3c7ee9faa8d78eb0e591451c40994f0665cebf3e6c9410d44228feba57b059e5