[INFO] updating cached repository devinivy/huthut
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/devinivy/huthut
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/devinivy/huthut" "work/ex/beta-1.38-1/sources/1.37.0/gh/devinivy/huthut"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/devinivy/huthut'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/devinivy/huthut" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/devinivy/huthut"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/devinivy/huthut'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9f608945b8e7ec1b2da07a84a60ba789546e476d
[INFO] sha for GitHub repo devinivy/huthut: 9f608945b8e7ec1b2da07a84a60ba789546e476d
[INFO] validating manifest of devinivy/huthut 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 devinivy/huthut 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 devinivy/huthut
[INFO] finished frobbing devinivy/huthut
[INFO] frobbed toml for devinivy/huthut written to work/ex/beta-1.38-1/sources/1.37.0/gh/devinivy/huthut/Cargo.toml
[INFO] started frobbing devinivy/huthut
[INFO] finished frobbing devinivy/huthut
[INFO] frobbed toml for devinivy/huthut written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/devinivy/huthut/Cargo.toml
[INFO] crate devinivy/huthut 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 devinivy/huthut 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/devinivy/huthut:/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] b98d78d3efae2cd647b6a4b93620eece59a7cc7107a6c48ab98263c8ad338b7b
[INFO] running `"docker" "start" "-a" "b98d78d3efae2cd647b6a4b93620eece59a7cc7107a6c48ab98263c8ad338b7b"`
[INFO] [stderr]    Compiling failure_derive v0.1.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.11
[INFO] [stderr]    Compiling static_assertions v0.3.1
[INFO] [stderr]    Compiling wordsworth v0.1.1
[INFO] [stderr]    Compiling deunicode v1.0.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling envy v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.34
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling sha-1 v0.8.1
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling oauth1-request v0.2.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling oauth1-request-derive v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]    Compiling twitter-stream v0.9.0
[INFO] [stderr]    Compiling failure v0.1.4
[INFO] [stderr]    Compiling dotenv v0.13.0
[INFO] [stderr]    Compiling huthut v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0425]: cannot find value `s` in this scope
[INFO] [stderr]   --> src/annotated.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 |     if s.len() < 1 {
[INFO] [stderr]    |        ^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(slice_index_methods)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `huthut`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b98d78d3efae2cd647b6a4b93620eece59a7cc7107a6c48ab98263c8ad338b7b"`
[INFO] running `"docker" "rm" "-f" "b98d78d3efae2cd647b6a4b93620eece59a7cc7107a6c48ab98263c8ad338b7b"`
[INFO] [stdout] b98d78d3efae2cd647b6a4b93620eece59a7cc7107a6c48ab98263c8ad338b7b