[INFO] updating cached repository Follpvosten/test_telegram_bot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Follpvosten/test_telegram_bot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Follpvosten/test_telegram_bot" "work/ex/beta-1.38-1/sources/1.37.0/gh/Follpvosten/test_telegram_bot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Follpvosten/test_telegram_bot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Follpvosten/test_telegram_bot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Follpvosten/test_telegram_bot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Follpvosten/test_telegram_bot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a12d603af4d7920064ea175fb3c348674f612f0d
[INFO] sha for GitHub repo Follpvosten/test_telegram_bot: a12d603af4d7920064ea175fb3c348674f612f0d
[INFO] validating manifest of Follpvosten/test_telegram_bot 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 Follpvosten/test_telegram_bot 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 Follpvosten/test_telegram_bot
[INFO] finished frobbing Follpvosten/test_telegram_bot
[INFO] frobbed toml for Follpvosten/test_telegram_bot written to work/ex/beta-1.38-1/sources/1.37.0/gh/Follpvosten/test_telegram_bot/Cargo.toml
[INFO] started frobbing Follpvosten/test_telegram_bot
[INFO] finished frobbing Follpvosten/test_telegram_bot
[INFO] frobbed toml for Follpvosten/test_telegram_bot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Follpvosten/test_telegram_bot/Cargo.toml
[INFO] crate Follpvosten/test_telegram_bot 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 Follpvosten/test_telegram_bot 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-6/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/Follpvosten/test_telegram_bot:/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] f236fa5b668180247291fd1b383615eb0b3b1ad251880ba3003dcdcfec50f8d1
[INFO] running `"docker" "start" "-a" "f236fa5b668180247291fd1b383615eb0b3b1ad251880ba3003dcdcfec50f8d1"`
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling cc v1.0.6
[INFO] [stderr]    Compiling futures v0.1.18
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling scoped-tls v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.1
[INFO] [stderr]    Compiling serde v1.0.29
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling telebot-derive v0.0.10
[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-0.0.10/src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 |     #![feature(try_from)]
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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-0.0.10/src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     #![feature(proc_macro, proc_macro_lib)]
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[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" "f236fa5b668180247291fd1b383615eb0b3b1ad251880ba3003dcdcfec50f8d1"`
[INFO] running `"docker" "rm" "-f" "f236fa5b668180247291fd1b383615eb0b3b1ad251880ba3003dcdcfec50f8d1"`
[INFO] [stdout] f236fa5b668180247291fd1b383615eb0b3b1ad251880ba3003dcdcfec50f8d1