[INFO] cloning repository wjwalcher/ferr_os
[INFO] running `"git" "clone" "--bare" "git://github.com/wjwalcher/ferr_os.git" "work/cache/sources/gh/wjwalcher/ferr_os"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/wjwalcher/ferr_os'...
[INFO] running `"git" "clone" "work/cache/sources/gh/wjwalcher/ferr_os" "work/ex/beta-1.37-6/sources/1.36.0/gh/wjwalcher/ferr_os"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/wjwalcher/ferr_os'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wjwalcher/ferr_os" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wjwalcher/ferr_os"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wjwalcher/ferr_os'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d4efa630d61f2c3686d61dff429fe9e9478e0c5d
[INFO] sha for GitHub repo wjwalcher/ferr_os: d4efa630d61f2c3686d61dff429fe9e9478e0c5d
[INFO] validating manifest of wjwalcher/ferr_os 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 wjwalcher/ferr_os 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 wjwalcher/ferr_os
[INFO] finished frobbing wjwalcher/ferr_os
[INFO] frobbed toml for wjwalcher/ferr_os written to work/ex/beta-1.37-6/sources/1.36.0/gh/wjwalcher/ferr_os/Cargo.toml
[INFO] started frobbing wjwalcher/ferr_os
[INFO] finished frobbing wjwalcher/ferr_os
[INFO] frobbed toml for wjwalcher/ferr_os written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wjwalcher/ferr_os/Cargo.toml
[INFO] crate wjwalcher/ferr_os 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bootloader v0.6.2
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing wjwalcher/ferr_os against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/wjwalcher/ferr_os:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 084961102c151ca5478f46e451e1ab0cb09c9036bf298147e905ea6c551309d0
[INFO] running `"docker" "start" "-a" "084961102c151ca5478f46e451e1ab0cb09c9036bf298147e905ea6c551309d0"`
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling llvm-tools v0.1.1
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling zero v0.1.2
[INFO] [stderr]    Compiling usize_conversions v0.2.0
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `x86_64-ferr_os-5751683308048873893` 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-ferr_os-5751683308048873893` 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: Could not compile `zero`.
[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-ferr_os-5751683308048873893` 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: build failed
[INFO] running `"docker" "inspect" "084961102c151ca5478f46e451e1ab0cb09c9036bf298147e905ea6c551309d0"`
[INFO] running `"docker" "rm" "-f" "084961102c151ca5478f46e451e1ab0cb09c9036bf298147e905ea6c551309d0"`
[INFO] [stdout] 084961102c151ca5478f46e451e1ab0cb09c9036bf298147e905ea6c551309d0