[INFO] updating cached repository https://github.com/michaelsproul/aus_senate_site
[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] f1769f2312333b5705faf56ab1b0935ae4a38c9a
[INFO] testing michaelsproul/aus_senate_site against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelsproul%2Faus_senate_site" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michaelsproul/aus_senate_site 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/michaelsproul/aus_senate_site
[INFO] finished tweaking git repo https://github.com/michaelsproul/aus_senate_site
[INFO] tweaked toml for git repo https://github.com/michaelsproul/aus_senate_site written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/michaelsproul/aus_senate_site 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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] 0e0c4678e9d87619ee9a13412e376bccc4376d0d0e2f9b2cc43fd72f4c2a2eaf
[INFO] running `"docker" "start" "-a" "0e0c4678e9d87619ee9a13412e376bccc4376d0d0e2f9b2cc43fd72f4c2a2eaf"`
[INFO] [stderr]    Compiling pest v0.3.3
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling sequence_trie v0.2.1
[INFO] [stderr]    Compiling unwrap v1.1.0
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.6
[INFO] [stderr]    Compiling rust-gmp v0.5.0
[INFO] [stderr]    Compiling csv-core v0.1.3
[INFO] [stderr]    Compiling iron v0.5.1
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]    Compiling derive-error v0.0.4
[INFO] [stderr]    Compiling csv v1.0.0-beta.5
[INFO] [stderr]    Compiling persistent v0.3.0
[INFO] [stderr]    Compiling mount v0.3.0
[INFO] [stderr]    Compiling router v0.5.1
[INFO] [stderr]    Compiling aus_senate v0.2.0 (https://github.com/michaelsproul/aus_senate.git#b824d6ad)
[INFO] [stderr]    Compiling handlebars v0.29.1
[INFO] [stderr]    Compiling handlebars v0.26.2
[INFO] [stderr]    Compiling bodyparser v0.5.0
[INFO] [stderr]    Compiling staticfile v0.4.0
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/aus_senate-c4cda8868344fe99/b824d6a/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling urlencoded v0.5.0
[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 `aus_senate`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "0e0c4678e9d87619ee9a13412e376bccc4376d0d0e2f9b2cc43fd72f4c2a2eaf"`
[INFO] running `"docker" "rm" "-f" "0e0c4678e9d87619ee9a13412e376bccc4376d0d0e2f9b2cc43fd72f4c2a2eaf"`
[INFO] [stdout] 0e0c4678e9d87619ee9a13412e376bccc4376d0d0e2f9b2cc43fd72f4c2a2eaf