[INFO] updating cached repository https://github.com/dholroyd/whatf
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3c7b09a39cca1e940858236d6996e0687c94f04b
[INFO] testing dholroyd/whatf against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdholroyd%2Fwhatf" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dholroyd/whatf on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dholroyd/whatf
[INFO] finished tweaking git repo https://github.com/dholroyd/whatf
[INFO] tweaked toml for git repo https://github.com/dholroyd/whatf written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/dholroyd/whatf already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 53289eba7b8e0c20a91c49d39888492aa90b0b5676b1862b35fed9baf6ebe4aa
[INFO] running `"docker" "start" "-a" "53289eba7b8e0c20a91c49d39888492aa90b0b5676b1862b35fed9baf6ebe4aa"`
[INFO] [stderr]    Compiling term v0.4.5
[INFO] [stderr]    Compiling openssl v0.9.7
[INFO] [stderr]    Compiling futures v0.1.11
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling ring v0.6.3
[INFO] [stderr]    Compiling serde v0.9.12
[INFO] [stderr]    Compiling md5 v0.3.3
[INFO] [stderr]    Compiling nom v2.1.0
[INFO] [stderr]    Compiling urlparse v0.7.3
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling term_size v0.2.3
[INFO] [stderr]    Compiling openssl-sys v0.9.7
[INFO] [stderr]    Compiling syntex_pos v0.54.0
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling num-complex v0.1.35
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling net2 v0.2.27
[INFO] [stderr]    Compiling base64 v0.4.1
[INFO] [stderr]    Compiling xml-rs v0.1.26
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling chan v0.1.19
[INFO] [stderr]    Compiling hyper v0.11.0-a.0 (https://github.com/hyperium/hyper.git#d63b7de4)
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling num-bigint v0.1.35
[INFO] [stderr]    Compiling syn v0.11.9
[INFO] [stderr]    Compiling clap v2.22.0
[INFO] [stderr]    Compiling bytes v0.4.1
[INFO] [stderr]    Compiling syntex_errors v0.54.0
[INFO] [stderr]    Compiling mio v0.6.6
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling num-rational v0.1.35
[INFO] [stderr]    Compiling serde_codegen_internals v0.11.3
[INFO] [stderr]    Compiling url v1.4.0
[INFO] [stderr]    Compiling syntex_syntax v0.54.0
[INFO] [stderr]    Compiling tokio-io v0.1.1
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.5
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling hdrsample v3.0.0
[INFO] [stderr]    Compiling tokio-core v0.1.6
[INFO] [stderr]    Compiling hyper v0.10.5
[INFO] [stderr]    Compiling serde_urlencoded v0.3.0
[INFO] [stderr]    Compiling env_logger v0.4.2
[INFO] [stderr]    Compiling serde_derive v0.9.12
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling Inflector v0.6.0
[INFO] [stderr]    Compiling toml v0.3.1
[INFO] [stderr]    Compiling native-tls v0.1.1
[INFO] [stderr]    Compiling tokio-tls v0.1.2
[INFO] [stderr]    Compiling reqwest v0.3.0
[INFO] [stderr]    Compiling hyper-native-tls v0.2.2
[INFO] [stderr]    Compiling rusoto_credential v0.4.0
[INFO] [stderr]    Compiling hyper-tls v0.0.0 (https://github.com/hyperium/hyper-tls.git#74aefbe5)
[INFO] [stderr]    Compiling syntex v0.54.0
[INFO] [stderr]    Compiling serde_codegen v0.8.23
[INFO] [stderr]    Compiling rusoto_codegen v0.6.0
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusoto_codegen-0.6.0/src/generator/ec2.rs:443:94
[INFO] [stderr]     |
[INFO] [stderr] 443 |         let tag_name = capitalize_first(member.location_name.as_ref().unwrap_or(member_name).as_ref());
[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 E0283`.
[INFO] [stderr] error: could not compile `rusoto_codegen`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "53289eba7b8e0c20a91c49d39888492aa90b0b5676b1862b35fed9baf6ebe4aa"`
[INFO] running `"docker" "rm" "-f" "53289eba7b8e0c20a91c49d39888492aa90b0b5676b1862b35fed9baf6ebe4aa"`
[INFO] [stdout] 53289eba7b8e0c20a91c49d39888492aa90b0b5676b1862b35fed9baf6ebe4aa