[INFO] cloning repository laerling/rust-kernel
[INFO] running `"git" "clone" "--bare" "git://github.com/laerling/rust-kernel.git" "work/cache/sources/gh/laerling/rust-kernel"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/laerling/rust-kernel'...
[INFO] running `"git" "clone" "work/cache/sources/gh/laerling/rust-kernel" "work/ex/beta-1.37-6/sources/1.36.0/gh/laerling/rust-kernel"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/laerling/rust-kernel'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/laerling/rust-kernel" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/laerling/rust-kernel"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/laerling/rust-kernel'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e3aef943c869684c87dc4a04aebbbd0ae5129cf5
[INFO] sha for GitHub repo laerling/rust-kernel: e3aef943c869684c87dc4a04aebbbd0ae5129cf5
[INFO] validating manifest of laerling/rust-kernel on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of laerling/rust-kernel on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing laerling/rust-kernel
[INFO] removed 2 missing tests
[INFO] finished frobbing laerling/rust-kernel
[INFO] frobbed toml for laerling/rust-kernel written to work/ex/beta-1.37-6/sources/1.36.0/gh/laerling/rust-kernel/Cargo.toml
[INFO] started frobbing laerling/rust-kernel
[INFO] removed 2 missing tests
[INFO] finished frobbing laerling/rust-kernel
[INFO] frobbed toml for laerling/rust-kernel written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/laerling/rust-kernel/Cargo.toml
[INFO] crate laerling/rust-kernel already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing laerling/rust-kernel against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/laerling/rust-kernel:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 0880e5aa005ab72a1b35703b13ca238fc271b70aef678d5a3904b33a13f80acc
[INFO] running `"docker" "start" "-a" "0880e5aa005ab72a1b35703b13ca238fc271b70aef678d5a3904b33a13f80acc"`
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling zero v0.1.2
[INFO] [stderr]    Compiling ux v0.1.3
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling usize_conversions v0.2.0
[INFO] [stderr]    Compiling cpuio v0.2.0
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `x86_64-blog_os-12802559890371040053` 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[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `x86_64-blog_os-12802559890371040053` 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[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `x86_64-blog_os-12802559890371040053` 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 `bit_field`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `usize_conversions`.
[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-blog_os-12802559890371040053` 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[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `x86_64-blog_os-12802559890371040053` 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 `ux`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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-blog_os-12802559890371040053` target may not be installed
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `x86_64-blog_os-12802559890371040053` 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: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `x86_64-blog_os-12802559890371040053` 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 `spin`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `cpuio`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `cast`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0880e5aa005ab72a1b35703b13ca238fc271b70aef678d5a3904b33a13f80acc"`
[INFO] running `"docker" "rm" "-f" "0880e5aa005ab72a1b35703b13ca238fc271b70aef678d5a3904b33a13f80acc"`
[INFO] [stdout] 0880e5aa005ab72a1b35703b13ca238fc271b70aef678d5a3904b33a13f80acc