[INFO] updating cached repository iovxw/rssbot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/iovxw/rssbot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/iovxw/rssbot" "work/ex/beta-1.38-1/sources/1.37.0/gh/iovxw/rssbot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/iovxw/rssbot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iovxw/rssbot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iovxw/rssbot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iovxw/rssbot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6a2a08c51d88f29073ff3a929566d9924134a585
[INFO] sha for GitHub repo iovxw/rssbot: 6a2a08c51d88f29073ff3a929566d9924134a585
[INFO] validating manifest of iovxw/rssbot 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 iovxw/rssbot 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 iovxw/rssbot
[INFO] removed workspace from iovxw/rssbot
[INFO] removed path dependency telebot from iovxw/rssbot
[INFO] finished frobbing iovxw/rssbot
[INFO] frobbed toml for iovxw/rssbot written to work/ex/beta-1.38-1/sources/1.37.0/gh/iovxw/rssbot/Cargo.toml
[INFO] started frobbing iovxw/rssbot
[INFO] removed workspace from iovxw/rssbot
[INFO] removed path dependency telebot from iovxw/rssbot
[INFO] finished frobbing iovxw/rssbot
[INFO] frobbed toml for iovxw/rssbot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iovxw/rssbot/Cargo.toml
[INFO] crate iovxw/rssbot 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] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/iovxw/rssbot/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 iovxw/rssbot 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-7/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/iovxw/rssbot:/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] c0d14629d4fc4987c38a25a802dd22dc2c347d51555d196a11f205731cb60c4c
[INFO] running `"docker" "start" "-a" "c0d14629d4fc4987c38a25a802dd22dc2c347d51555d196a11f205731cb60c4c"`
[INFO] [stderr] warning: dependency (telebot) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling curl v0.4.22
[INFO] [stderr]    Compiling futures-await-await-macro v0.1.1
[INFO] [stderr]    Compiling encoding_rs v0.7.2
[INFO] [stderr]    Compiling curl-sys v0.4.20
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling telebot-derive v0.0.13
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling http v0.1.18
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling quick-xml v0.9.4
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling erased-serde v0.3.9
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling common-multipart-rfc7578 v0.1.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling pinyin-order v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling futures-await-async-macro v0.1.4
[INFO] [stderr]    Compiling tokio-core v0.1.17
[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/futures-await-async-macro-0.1.4/src/lib.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | #![feature(proc_macro)]
[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 `futures-await-async-macro`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c0d14629d4fc4987c38a25a802dd22dc2c347d51555d196a11f205731cb60c4c"`
[INFO] running `"docker" "rm" "-f" "c0d14629d4fc4987c38a25a802dd22dc2c347d51555d196a11f205731cb60c4c"`
[INFO] [stdout] c0d14629d4fc4987c38a25a802dd22dc2c347d51555d196a11f205731cb60c4c