[INFO] updating cached repository pzmarzly/sshfs-manager
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pzmarzly/sshfs-manager
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pzmarzly/sshfs-manager" "work/ex/beta-1.38-1/sources/1.37.0/gh/pzmarzly/sshfs-manager"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/pzmarzly/sshfs-manager'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pzmarzly/sshfs-manager" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pzmarzly/sshfs-manager"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pzmarzly/sshfs-manager'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7b9fb71126688c0e12d25b634241ec1df9c8ecb5
[INFO] sha for GitHub repo pzmarzly/sshfs-manager: 7b9fb71126688c0e12d25b634241ec1df9c8ecb5
[INFO] validating manifest of pzmarzly/sshfs-manager on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pzmarzly/sshfs-manager on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pzmarzly/sshfs-manager
[INFO] finished frobbing pzmarzly/sshfs-manager
[INFO] frobbed toml for pzmarzly/sshfs-manager written to work/ex/beta-1.38-1/sources/1.37.0/gh/pzmarzly/sshfs-manager/Cargo.toml
[INFO] started frobbing pzmarzly/sshfs-manager
[INFO] finished frobbing pzmarzly/sshfs-manager
[INFO] frobbed toml for pzmarzly/sshfs-manager written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pzmarzly/sshfs-manager/Cargo.toml
[INFO] crate pzmarzly/sshfs-manager already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing pzmarzly/sshfs-manager against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pzmarzly/sshfs-manager:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 92f5ca1bdd5468b8f43e175c3380616067ade7dd30b80e90d978b7c5b38adf5d
[INFO] running `"docker" "start" "-a" "92f5ca1bdd5468b8f43e175c3380616067ade7dd30b80e90d978b7c5b38adf5d"`
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling command-macros-plugin v0.2.4
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/command-macros-plugin-0.2.4/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(proc_macro_span, proc_macro_diagnostic, proc_macro_def_site, external_doc)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `command-macros-plugin`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "92f5ca1bdd5468b8f43e175c3380616067ade7dd30b80e90d978b7c5b38adf5d"`
[INFO] running `"docker" "rm" "-f" "92f5ca1bdd5468b8f43e175c3380616067ade7dd30b80e90d978b7c5b38adf5d"`
[INFO] [stdout] 92f5ca1bdd5468b8f43e175c3380616067ade7dd30b80e90d978b7c5b38adf5d