[INFO] updating cached repository gugahoa/ww-subscribe
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gugahoa/ww-subscribe
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gugahoa/ww-subscribe" "work/ex/beta-1.37-6/sources/1.36.0/gh/gugahoa/ww-subscribe"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/gugahoa/ww-subscribe'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gugahoa/ww-subscribe" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gugahoa/ww-subscribe"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gugahoa/ww-subscribe'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 53eb69877330b1d117e6f155f80add6fb3d3d02e
[INFO] sha for GitHub repo gugahoa/ww-subscribe: 53eb69877330b1d117e6f155f80add6fb3d3d02e
[INFO] validating manifest of gugahoa/ww-subscribe 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 gugahoa/ww-subscribe 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 gugahoa/ww-subscribe
[INFO] finished frobbing gugahoa/ww-subscribe
[INFO] frobbed toml for gugahoa/ww-subscribe written to work/ex/beta-1.37-6/sources/1.36.0/gh/gugahoa/ww-subscribe/Cargo.toml
[INFO] started frobbing gugahoa/ww-subscribe
[INFO] finished frobbing gugahoa/ww-subscribe
[INFO] frobbed toml for gugahoa/ww-subscribe written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gugahoa/ww-subscribe/Cargo.toml
[INFO] crate gugahoa/ww-subscribe 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 gugahoa/ww-subscribe 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-7/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/gugahoa/ww-subscribe:/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] 9b9a92e0c0cf68c039a2cee037862207e503fbb91806be0f5cc5aedb6ec73d3c
[INFO] running `"docker" "start" "-a" "9b9a92e0c0cf68c039a2cee037862207e503fbb91806be0f5cc5aedb6ec73d3c"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.28
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling openssl v0.10.20
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling derive_builder v0.7.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.43
[INFO] [stderr]    Compiling telebot-derive v0.0.12
[INFO] [stderr]    Compiling mio v0.6.16
[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/telebot-derive-0.0.12/src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 |     #![feature(try_from)]
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling cookie v0.11.0
[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 `telebot-derive`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "9b9a92e0c0cf68c039a2cee037862207e503fbb91806be0f5cc5aedb6ec73d3c"`
[INFO] running `"docker" "rm" "-f" "9b9a92e0c0cf68c039a2cee037862207e503fbb91806be0f5cc5aedb6ec73d3c"`
[INFO] [stdout] 9b9a92e0c0cf68c039a2cee037862207e503fbb91806be0f5cc5aedb6ec73d3c