[INFO] crate grpc_etcd 0.1.4 is already in cache
[INFO] extracting crate grpc_etcd 0.1.4 into work/ex/beta-1.37-6/sources/1.36.0/reg/grpc_etcd/0.1.4
[INFO] extracting crate grpc_etcd 0.1.4 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/grpc_etcd/0.1.4
[INFO] validating manifest of grpc_etcd-0.1.4 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 grpc_etcd-0.1.4 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 grpc_etcd-0.1.4
[INFO] finished frobbing grpc_etcd-0.1.4
[INFO] frobbed toml for grpc_etcd-0.1.4 written to work/ex/beta-1.37-6/sources/1.36.0/reg/grpc_etcd/0.1.4/Cargo.toml
[INFO] started frobbing grpc_etcd-0.1.4
[INFO] finished frobbing grpc_etcd-0.1.4
[INFO] frobbed toml for grpc_etcd-0.1.4 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/grpc_etcd/0.1.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 grpc_etcd-0.1.4 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/grpc_etcd/0.1.4:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] af213e3ffbe23c4e5a91b5441c94456867c0cefa037a089abc2870a6c5892b8f
[INFO] running `"docker" "start" "-a" "af213e3ffbe23c4e5a91b5441c94456867c0cefa037a089abc2870a6c5892b8f"`
[INFO] [stderr] warning: profile `doc` is deprecated and has no effect
[INFO] [stderr]    Compiling tls-api v0.2.0
[INFO] [stderr]    Compiling tls-api-stub v0.2.0
[INFO] [stderr]    Compiling tokio-tls-api v0.2.0
[INFO] [stderr]    Compiling httpbis v0.2.0
[INFO] [stderr] error[E0432]: unresolved import `tokio_timer::TimeoutError`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/httpbis-0.2.0/src/error.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use tokio_timer::TimeoutError;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ no `TimeoutError` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0207]: the type parameter `F` is not constrained by the impl trait, self type, or predicates
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/httpbis-0.2.0/src/error.rs:154:6
[INFO] [stderr]     |
[INFO] [stderr] 154 | impl<F> From<TimeoutError<F>> for Error {
[INFO] [stderr]     |      ^ unconstrained type parameter
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0207, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0207`.
[INFO] [stderr] error: Could not compile `httpbis`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "af213e3ffbe23c4e5a91b5441c94456867c0cefa037a089abc2870a6c5892b8f"`
[INFO] running `"docker" "rm" "-f" "af213e3ffbe23c4e5a91b5441c94456867c0cefa037a089abc2870a6c5892b8f"`
[INFO] [stdout] af213e3ffbe23c4e5a91b5441c94456867c0cefa037a089abc2870a6c5892b8f