[INFO] updating cached repository jeizsm/sticker-bot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jeizsm/sticker-bot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jeizsm/sticker-bot" "work/ex/beta-1.38-1/sources/1.37.0/gh/jeizsm/sticker-bot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jeizsm/sticker-bot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jeizsm/sticker-bot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jeizsm/sticker-bot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jeizsm/sticker-bot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c311ad4337273cd19cf6782987aea529294c5182
[INFO] sha for GitHub repo jeizsm/sticker-bot: c311ad4337273cd19cf6782987aea529294c5182
[INFO] validating manifest of jeizsm/sticker-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 jeizsm/sticker-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 jeizsm/sticker-bot
[INFO] finished frobbing jeizsm/sticker-bot
[INFO] frobbed toml for jeizsm/sticker-bot written to work/ex/beta-1.38-1/sources/1.37.0/gh/jeizsm/sticker-bot/Cargo.toml
[INFO] started frobbing jeizsm/sticker-bot
[INFO] finished frobbing jeizsm/sticker-bot
[INFO] frobbed toml for jeizsm/sticker-bot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jeizsm/sticker-bot/Cargo.toml
[INFO] crate jeizsm/sticker-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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jeizsm/sticker-bot against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jeizsm/sticker-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] ea13ee28830a5854268e1a3c537feb444d94cd96c8db1e48cbbbefc23973c446
[INFO] running `"docker" "start" "-a" "ea13ee28830a5854268e1a3c537feb444d94cd96c8db1e48cbbbefc23973c446"`
[INFO] [stderr]    Compiling untrusted v0.6.1
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling ring v0.13.0-alpha5
[INFO] [stderr]    Compiling regex-syntax v0.6.1
[INFO] [stderr]    Compiling clang-sys v0.21.2
[INFO] [stderr]    Compiling coco v0.2.1
[INFO] [stderr]    Compiling syntex_errors v0.58.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.3
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]    Compiling telebot-derive v0.0.11 (https://github.com/jeizsm/telebot.git#4e15255e)
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/telebot-00e2fe840071d26e/4e15255/telebot-derive/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 stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/telebot-00e2fe840071d26e/4e15255/telebot-derive/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" "ea13ee28830a5854268e1a3c537feb444d94cd96c8db1e48cbbbefc23973c446"`
[INFO] running `"docker" "rm" "-f" "ea13ee28830a5854268e1a3c537feb444d94cd96c8db1e48cbbbefc23973c446"`
[INFO] [stdout] ea13ee28830a5854268e1a3c537feb444d94cd96c8db1e48cbbbefc23973c446