[INFO] updating cached repository asonix/ping-pong-bot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/asonix/ping-pong-bot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/asonix/ping-pong-bot" "work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/asonix/ping-pong-bot"`
[INFO] [stderr] Cloning into 'work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/asonix/ping-pong-bot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/asonix/ping-pong-bot" "work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/asonix/ping-pong-bot"`
[INFO] [stderr] Cloning into 'work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/asonix/ping-pong-bot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 794d9d4bb0a057f496ddc6f3573fb5c801106648
[INFO] sha for GitHub repo asonix/ping-pong-bot: 794d9d4bb0a057f496ddc6f3573fb5c801106648
[INFO] validating manifest of asonix/ping-pong-bot on toolchain master#2bde39b8edce6463e1c37f8a8082a875e7b536b1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of asonix/ping-pong-bot on toolchain try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing asonix/ping-pong-bot
[INFO] finished frobbing asonix/ping-pong-bot
[INFO] frobbed toml for asonix/ping-pong-bot written to work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/asonix/ping-pong-bot/Cargo.toml
[INFO] started frobbing asonix/ping-pong-bot
[INFO] finished frobbing asonix/ping-pong-bot
[INFO] frobbed toml for asonix/ping-pong-bot written to work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/asonix/ping-pong-bot/Cargo.toml
[INFO] crate asonix/ping-pong-bot has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking asonix/ping-pong-bot against try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c for pr-57483
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57483/worker-0/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/asonix/ping-pong-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=forbid" "-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" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 73d380e4fdac17be5a7de18b64ae008932450388844015791fe45b1bc6ce67eb
[INFO] running `"docker" "start" "-a" "73d380e4fdac17be5a7de18b64ae008932450388844015791fe45b1bc6ce67eb"`
[INFO] [stderr]    Compiling openssl-sys v0.9.22
[INFO] [stderr]     Checking socket2 v0.2.4
[INFO] [stderr]     Checking erased-serde v0.3.3
[INFO] [stderr]     Checking uuid v0.2.3
[INFO] [stderr]     Checking libz-sys v1.0.18
[INFO] [stderr]    Compiling telebot-derive v0.0.9
[INFO] [stderr]     Checking tokio-core v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.23
[INFO] [stderr]     Checking dotenv v0.10.1
[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-0.0.9/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-0.0.9/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" "73d380e4fdac17be5a7de18b64ae008932450388844015791fe45b1bc6ce67eb"`
[INFO] running `"docker" "rm" "-f" "73d380e4fdac17be5a7de18b64ae008932450388844015791fe45b1bc6ce67eb"`
[INFO] [stdout] 73d380e4fdac17be5a7de18b64ae008932450388844015791fe45b1bc6ce67eb