[INFO] crate jsonrpc-test 12.1.0 is already in cache
[INFO] extracting crate jsonrpc-test 12.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/jsonrpc-test/12.1.0
[INFO] extracting crate jsonrpc-test 12.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/jsonrpc-test/12.1.0
[INFO] validating manifest of jsonrpc-test-12.1.0 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 jsonrpc-test-12.1.0 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 jsonrpc-test-12.1.0
[INFO] finished frobbing jsonrpc-test-12.1.0
[INFO] frobbed toml for jsonrpc-test-12.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/jsonrpc-test/12.1.0/Cargo.toml
[INFO] started frobbing jsonrpc-test-12.1.0
[INFO] finished frobbing jsonrpc-test-12.1.0
[INFO] frobbed toml for jsonrpc-test-12.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/jsonrpc-test/12.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jsonrpc-client-transports v12.2.1
[INFO] [stderr]   Downloaded jsonrpc-core-client v12.2.1
[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 jsonrpc-test-12.1.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/jsonrpc-test/12.1.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c03c046fabaddae5e1885c988a4811676839b1aedc07342b9f946391c04fa052
[INFO] running `"docker" "start" "-a" "c03c046fabaddae5e1885c988a4811676839b1aedc07342b9f946391c04fa052"`
[INFO] [stderr]    Compiling jsonrpc-core v12.2.0
[INFO] [stderr]    Compiling jsonrpc-pubsub v12.2.0
[INFO] [stderr]    Compiling jsonrpc-client-transports v12.2.1
[INFO] [stderr]    Compiling jsonrpc-core-client v12.2.1
[INFO] [stderr]    Compiling jsonrpc-test v12.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0599]: no variant or associated item named `Notification` found for type `rpc::Output` in the current scope
[INFO] [stderr]    --> src/lib.rs:134:22
[INFO] [stderr]     |
[INFO] [stderr] 134 |             response::Output::Notification(notification) => match encoding {
[INFO] [stderr]     |                               ^^^^^^^^^^^^ variant or associated item not found in `rpc::Output`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `jsonrpc-test`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c03c046fabaddae5e1885c988a4811676839b1aedc07342b9f946391c04fa052"`
[INFO] running `"docker" "rm" "-f" "c03c046fabaddae5e1885c988a4811676839b1aedc07342b9f946391c04fa052"`
[INFO] [stdout] c03c046fabaddae5e1885c988a4811676839b1aedc07342b9f946391c04fa052