[INFO] updating cached repository yuyoyuppe/rs_sbo_tg
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yuyoyuppe/rs_sbo_tg
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yuyoyuppe/rs_sbo_tg" "work/ex/beta-1.38-1/sources/1.37.0/gh/yuyoyuppe/rs_sbo_tg"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/yuyoyuppe/rs_sbo_tg'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yuyoyuppe/rs_sbo_tg" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yuyoyuppe/rs_sbo_tg"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yuyoyuppe/rs_sbo_tg'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a7109ee0c128c1b35ad32860bd7372cf9b5a98ad
[INFO] sha for GitHub repo yuyoyuppe/rs_sbo_tg: a7109ee0c128c1b35ad32860bd7372cf9b5a98ad
[INFO] validating manifest of yuyoyuppe/rs_sbo_tg 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 yuyoyuppe/rs_sbo_tg 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 yuyoyuppe/rs_sbo_tg
[INFO] finished frobbing yuyoyuppe/rs_sbo_tg
[INFO] frobbed toml for yuyoyuppe/rs_sbo_tg written to work/ex/beta-1.38-1/sources/1.37.0/gh/yuyoyuppe/rs_sbo_tg/Cargo.toml
[INFO] started frobbing yuyoyuppe/rs_sbo_tg
[INFO] finished frobbing yuyoyuppe/rs_sbo_tg
[INFO] frobbed toml for yuyoyuppe/rs_sbo_tg written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yuyoyuppe/rs_sbo_tg/Cargo.toml
[INFO] crate yuyoyuppe/rs_sbo_tg 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 yuyoyuppe/rs_sbo_tg 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-1/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/yuyoyuppe/rs_sbo_tg:/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] fab403600fdfc88b4f90c43b8f6ea59534fb8af20581521010aa519e081cf140
[INFO] running `"docker" "start" "-a" "fab403600fdfc88b4f90c43b8f6ea59534fb8af20581521010aa519e081cf140"`
[INFO] [stderr]    Compiling byteorder v1.2.2
[INFO] [stderr]    Compiling cc v1.0.12
[INFO] [stderr]    Compiling serde v1.0.43
[INFO] [stderr]    Compiling scoped-tls v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling proc-macro2 v0.3.7
[INFO] [stderr]    Compiling socket2 v0.3.5
[INFO] [stderr]    Compiling encoding_rs v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling tokio-timer v0.2.1
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling crossbeam-deque v0.3.0
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.2
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.1
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling openssl-sys v0.9.28
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.7.0/src/form_urlencoded.rs:261:40
[INFO] [stderr]     |
[INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 261 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling curl-sys v0.4.2
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio-udp v0.1.0
[INFO] [stderr]    Compiling tokio v0.1.5
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling serde_derive v1.0.43
[INFO] [stderr]    Compiling serde_json v1.0.16
[INFO] [stderr]    Compiling chrono v0.4.2
[INFO] [stderr]    Compiling backtrace v0.3.6
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling quick-xml v0.12.1
[INFO] [stderr]    Compiling telegram-bot-raw v0.6.1 (https://github.com/yuyoyuppe/telegram-bot?branch=messageentity-fix#efe83b29)
[INFO] [stderr]    Compiling curl v0.4.12
[INFO] [stderr]    Compiling tokio-curl v0.1.11
[INFO] [stderr]    Compiling telegram-bot v0.6.1 (https://github.com/yuyoyuppe/telegram-bot?branch=messageentity-fix#efe83b29)
[INFO] [stderr]    Compiling rs_sbo_tg v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(concat_idents)]
[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 `rs_sbo_tg`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fab403600fdfc88b4f90c43b8f6ea59534fb8af20581521010aa519e081cf140"`
[INFO] running `"docker" "rm" "-f" "fab403600fdfc88b4f90c43b8f6ea59534fb8af20581521010aa519e081cf140"`
[INFO] [stdout] fab403600fdfc88b4f90c43b8f6ea59534fb8af20581521010aa519e081cf140