[INFO] crate nsq-client 0.1.12 is already in cache
[INFO] extracting crate nsq-client 0.1.12 into work/ex/beta-1.38-1/sources/1.37.0/reg/nsq-client/0.1.12
[INFO] extracting crate nsq-client 0.1.12 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/nsq-client/0.1.12
[INFO] validating manifest of nsq-client-0.1.12 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 nsq-client-0.1.12 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 nsq-client-0.1.12
[INFO] finished frobbing nsq-client-0.1.12
[INFO] frobbed toml for nsq-client-0.1.12 written to work/ex/beta-1.38-1/sources/1.37.0/reg/nsq-client/0.1.12/Cargo.toml
[INFO] started frobbing nsq-client-0.1.12
[INFO] finished frobbing nsq-client-0.1.12
[INFO] frobbed toml for nsq-client-0.1.12 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/nsq-client/0.1.12/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing nsq-client-0.1.12 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/nsq-client/0.1.12:/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] fe35ca3033091b9643f7bf1fdf0b1a27e92fc35db8c07c8664dbd5dfe3d23349
[INFO] running `"docker" "start" "-a" "fe35ca3033091b9643f7bf1fdf0b1a27e92fc35db8c07c8664dbd5dfe3d23349"`
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling resolv-conf v0.6.2
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]    Compiling backoff v0.1.5
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[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 tokio-fs v0.1.6
[INFO] [stderr]    Compiling trust-dns-proto v0.6.3
[INFO] [stderr]    Compiling trust-dns-proto v0.5.0
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling trust-dns-resolver v0.10.3
[INFO] [stderr]    Compiling actix v0.7.9
[INFO] [stderr]    Compiling nsq-client v0.1.12 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]   --> src/lib.rs:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | #![feature(try_from, associated_type_defaults)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:103:32
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/conn.rs:91:23
[INFO] [stderr]    |
[INFO] [stderr] 91 |     handlers: Vec<Box<Any>>,
[INFO] [stderr]    |                       ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/conn.rs:92:42
[INFO] [stderr]    |
[INFO] [stderr] 92 |     info_hashmap: FnvHashMap<TypeId, Box<Any>>,
[INFO] [stderr]    |                                          ^^^ help: use `dyn`: `dyn Any`
[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 `nsq-client`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fe35ca3033091b9643f7bf1fdf0b1a27e92fc35db8c07c8664dbd5dfe3d23349"`
[INFO] running `"docker" "rm" "-f" "fe35ca3033091b9643f7bf1fdf0b1a27e92fc35db8c07c8664dbd5dfe3d23349"`
[INFO] [stdout] fe35ca3033091b9643f7bf1fdf0b1a27e92fc35db8c07c8664dbd5dfe3d23349