[INFO] updating cached repository iPersona/blog
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/iPersona/blog
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/iPersona/blog" "work/ex/beta-1.38-1/sources/1.37.0/gh/iPersona/blog"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/iPersona/blog'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iPersona/blog" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iPersona/blog"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iPersona/blog'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ca6d88db7dded3e9f4b7517a3d00f5b0288a77f3
[INFO] sha for GitHub repo iPersona/blog: ca6d88db7dded3e9f4b7517a3d00f5b0288a77f3
[INFO] validating manifest of iPersona/blog 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 iPersona/blog 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 iPersona/blog
[INFO] finished frobbing iPersona/blog
[INFO] frobbed toml for iPersona/blog written to work/ex/beta-1.38-1/sources/1.37.0/gh/iPersona/blog/Cargo.toml
[INFO] started frobbing iPersona/blog
[INFO] finished frobbing iPersona/blog
[INFO] frobbed toml for iPersona/blog written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iPersona/blog/Cargo.toml
[INFO] crate iPersona/blog 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing iPersona/blog against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iPersona/blog:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 23bcbc0231fd15b9c68c2c52254079371e5837bfa6a736f5611a4289a3d75eb3
[INFO] running `"docker" "start" "-a" "23bcbc0231fd15b9c68c2c52254079371e5837bfa6a736f5611a4289a3d75eb3"`
[INFO] [stderr]    Compiling redis v0.8.0
[INFO] [stderr]    Compiling typed-arena v1.4.1
[INFO] [stderr]    Compiling actix-web v0.7.18
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling r2d2 v0.8.3
[INFO] [stderr]    Compiling openssl-sys v0.9.43
[INFO] [stderr]    Compiling rand_os v0.1.1
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]    Compiling signal-hook v0.1.7
[INFO] [stderr]    Compiling rand v0.4.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling tendril v0.4.1
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling hyper v0.10.15
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling flate2 v1.0.6
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling tiny-keccak v1.4.2
[INFO] [stderr]    Compiling uuid v0.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling tokio-io v0.1.11
[INFO] [stderr]    Compiling http v0.1.14
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling cookie v0.11.0
[INFO] [stderr]    Compiling openssl v0.10.20
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]    Compiling backoff v0.1.2
[INFO] [stderr]    Compiling diesel v1.3.3
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling r2d2_redis v0.7.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]    Compiling derive-error-chain v0.10.1
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling h2 v0.1.14
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling once_cell v0.1.6
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling hyper-native-tls v0.3.0
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling dotenv v0.10.1
[INFO] [stderr]    Compiling comrak v0.2.14
[INFO] [stderr]    Compiling crossbeam-channel v0.3.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.8
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]    Compiling v_escape_derive v0.2.1
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.10
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-signal v0.2.7
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling v_escape v0.3.2
[INFO] [stderr]    Compiling tera v0.11.20
[INFO] [stderr]    Compiling tokio-fs v0.1.5
[INFO] [stderr]    Compiling redis-async v0.4.3
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/redis-async-0.4.3/src/client/pubsub.rs:293:41
[INFO] [stderr]     |
[INFO] [stderr] 293 |         self.con.unsubscribe(self.topic.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 `redis-async`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "23bcbc0231fd15b9c68c2c52254079371e5837bfa6a736f5611a4289a3d75eb3"`
[INFO] running `"docker" "rm" "-f" "23bcbc0231fd15b9c68c2c52254079371e5837bfa6a736f5611a4289a3d75eb3"`
[INFO] [stdout] 23bcbc0231fd15b9c68c2c52254079371e5837bfa6a736f5611a4289a3d75eb3