[INFO] cloning repository cryptorelay/redis-aggregation
[INFO] running `"git" "clone" "--bare" "git://github.com/cryptorelay/redis-aggregation.git" "work/cache/sources/gh/cryptorelay/redis-aggregation"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/cryptorelay/redis-aggregation'...
[INFO] running `"git" "clone" "work/cache/sources/gh/cryptorelay/redis-aggregation" "work/ex/beta-1.37-6/sources/1.36.0/gh/cryptorelay/redis-aggregation"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/cryptorelay/redis-aggregation'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cryptorelay/redis-aggregation" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cryptorelay/redis-aggregation"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cryptorelay/redis-aggregation'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 40eecfff02ed1c8255aeb36e0ff4d0099fbb4dd0
[INFO] sha for GitHub repo cryptorelay/redis-aggregation: 40eecfff02ed1c8255aeb36e0ff4d0099fbb4dd0
[INFO] validating manifest of cryptorelay/redis-aggregation 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 cryptorelay/redis-aggregation 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 cryptorelay/redis-aggregation
[INFO] removed path dependency redismodule from cryptorelay/redis-aggregation
[INFO] finished frobbing cryptorelay/redis-aggregation
[INFO] frobbed toml for cryptorelay/redis-aggregation written to work/ex/beta-1.37-6/sources/1.36.0/gh/cryptorelay/redis-aggregation/Cargo.toml
[INFO] started frobbing cryptorelay/redis-aggregation
[INFO] removed path dependency redismodule from cryptorelay/redis-aggregation
[INFO] finished frobbing cryptorelay/redis-aggregation
[INFO] frobbed toml for cryptorelay/redis-aggregation written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cryptorelay/redis-aggregation/Cargo.toml
[INFO] crate cryptorelay/redis-aggregation already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/cryptorelay/redis-aggregation/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redismodule v0.1.2
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing cryptorelay/redis-aggregation 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/cryptorelay/redis-aggregation:/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] 63e17438ddf85d72b2d4a3e178fad2e5dbb130bcd5c9ad0791173b0a7b8acf77
[INFO] running `"docker" "start" "-a" "63e17438ddf85d72b2d4a3e178fad2e5dbb130bcd5c9ad0791173b0a7b8acf77"`
[INFO] [stderr] warning: dependency (redismodule) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling redismodule v0.1.2
[INFO] [stderr]    Compiling serde_tuple v0.2.5
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/redismodule-0.1.2/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(untagged_unions)]
[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 E0554`.
[INFO] [stderr] error: Could not compile `redismodule`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "63e17438ddf85d72b2d4a3e178fad2e5dbb130bcd5c9ad0791173b0a7b8acf77"`
[INFO] running `"docker" "rm" "-f" "63e17438ddf85d72b2d4a3e178fad2e5dbb130bcd5c9ad0791173b0a7b8acf77"`
[INFO] [stdout] 63e17438ddf85d72b2d4a3e178fad2e5dbb130bcd5c9ad0791173b0a7b8acf77