[INFO] updating cached repository alexreg/ergo-bot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alexreg/ergo-bot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alexreg/ergo-bot" "work/ex/beta-1.38-1/sources/1.37.0/gh/alexreg/ergo-bot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/alexreg/ergo-bot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alexreg/ergo-bot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexreg/ergo-bot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexreg/ergo-bot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1dd173af0830126a9300d508f7dab2c34e047442
[INFO] sha for GitHub repo alexreg/ergo-bot: 1dd173af0830126a9300d508f7dab2c34e047442
[INFO] validating manifest of alexreg/ergo-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 alexreg/ergo-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 alexreg/ergo-bot
[INFO] finished frobbing alexreg/ergo-bot
[INFO] frobbed toml for alexreg/ergo-bot written to work/ex/beta-1.38-1/sources/1.37.0/gh/alexreg/ergo-bot/Cargo.toml
[INFO] started frobbing alexreg/ergo-bot
[INFO] finished frobbing alexreg/ergo-bot
[INFO] frobbed toml for alexreg/ergo-bot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexreg/ergo-bot/Cargo.toml
[INFO] crate alexreg/ergo-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 alexreg/ergo-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-5/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/alexreg/ergo-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] ea07e1da9faf25eb766bd94602ce8889970674ace0d28d27514cf6a1b99c16ea
[INFO] running `"docker" "start" "-a" "ea07e1da9faf25eb766bd94602ce8889970674ace0d28d27514cf6a1b99c16ea"`
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling num-traits v0.2.0
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling termcolor v0.3.5
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling openssl-sys v0.9.26
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling relay v0.1.1
[INFO] [stderr]    Compiling base64 v0.9.0
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.0
[INFO] [stderr]    Compiling humantime v1.1.0
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling r2d2 v0.8.2
[INFO] [stderr]    Compiling mio v0.6.13
[INFO] [stderr]    Compiling tokio-io v0.1.5
[INFO] [stderr]    Compiling regex v0.2.6
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling mime v0.3.5
[INFO] [stderr]    Compiling tokio-core v0.1.12
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling env_logger v0.5.4
[INFO] [stderr]    Compiling pretty_env_logger v0.1.1
[INFO] [stderr]    Compiling pretty_env_logger v0.2.2
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling hyper v0.11.19
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling hyper-tls v0.1.2
[INFO] [stderr]    Compiling rmessenger v0.1.0 (https://github.com/alsuren/rmessenger#b63f6f10)
[INFO] [stderr]    Compiling ergo-bot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/hello.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(box_syntax)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/hello.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/hello.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(universal_impl_trait)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/hello.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(dyn_trait)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hello.rs:36:28
[INFO] [stderr]    |
[INFO] [stderr] 36 | type MessengerFuture = Box<Future<Item = Response, Error = hyper::Error>>;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response, Error = hyper::Error>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `ergo-bot`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ea07e1da9faf25eb766bd94602ce8889970674ace0d28d27514cf6a1b99c16ea"`
[INFO] running `"docker" "rm" "-f" "ea07e1da9faf25eb766bd94602ce8889970674ace0d28d27514cf6a1b99c16ea"`
[INFO] [stdout] ea07e1da9faf25eb766bd94602ce8889970674ace0d28d27514cf6a1b99c16ea