[INFO] updating cached repository AlexCreamer/Bootstrap-Rust-Calendar
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AlexCreamer/Bootstrap-Rust-Calendar
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AlexCreamer/Bootstrap-Rust-Calendar" "work/ex/beta-1.37-6/sources/1.36.0/gh/AlexCreamer/Bootstrap-Rust-Calendar"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/AlexCreamer/Bootstrap-Rust-Calendar'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AlexCreamer/Bootstrap-Rust-Calendar" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AlexCreamer/Bootstrap-Rust-Calendar"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AlexCreamer/Bootstrap-Rust-Calendar'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1376bdcdc9fe1e59576dc9d678d889c2985c8d8d
[INFO] sha for GitHub repo AlexCreamer/Bootstrap-Rust-Calendar: 1376bdcdc9fe1e59576dc9d678d889c2985c8d8d
[INFO] validating manifest of AlexCreamer/Bootstrap-Rust-Calendar on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of AlexCreamer/Bootstrap-Rust-Calendar on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing AlexCreamer/Bootstrap-Rust-Calendar
[INFO] finished frobbing AlexCreamer/Bootstrap-Rust-Calendar
[INFO] frobbed toml for AlexCreamer/Bootstrap-Rust-Calendar written to work/ex/beta-1.37-6/sources/1.36.0/gh/AlexCreamer/Bootstrap-Rust-Calendar/Cargo.toml
[INFO] started frobbing AlexCreamer/Bootstrap-Rust-Calendar
[INFO] finished frobbing AlexCreamer/Bootstrap-Rust-Calendar
[INFO] frobbed toml for AlexCreamer/Bootstrap-Rust-Calendar written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AlexCreamer/Bootstrap-Rust-Calendar/Cargo.toml
[INFO] crate AlexCreamer/Bootstrap-Rust-Calendar already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing AlexCreamer/Bootstrap-Rust-Calendar against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AlexCreamer/Bootstrap-Rust-Calendar:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 6779e118575d1edd59df691ec7b64df4e0a42246a350541ce7e5c1c39bf45f79
[INFO] running `"docker" "start" "-a" "6779e118575d1edd59df691ec7b64df4e0a42246a350541ce7e5c1c39bf45f79"`
[INFO] [stderr] warning: dependency (rocket_contrib) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]    Compiling vec_map v0.4.0
[INFO] [stderr]    Compiling ansi_term v0.7.5
[INFO] [stderr]    Compiling strsim v0.4.1
[INFO] [stderr]    Compiling cassandra-sys v0.8.7
[INFO] [stderr]    Compiling state v0.2.0
[INFO] [stderr]    Compiling serde v0.9.7
[INFO] [stderr]    Compiling ip v1.1.1
[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/state-0.2.0/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(const_fn)]
[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 `state`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6779e118575d1edd59df691ec7b64df4e0a42246a350541ce7e5c1c39bf45f79"`
[INFO] running `"docker" "rm" "-f" "6779e118575d1edd59df691ec7b64df4e0a42246a350541ce7e5c1c39bf45f79"`
[INFO] [stdout] 6779e118575d1edd59df691ec7b64df4e0a42246a350541ce7e5c1c39bf45f79