[INFO] fetching crate natsclient 0.0.4...
[INFO] extracting crate natsclient 0.0.4 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/natsclient/0.0.4
[INFO] extracting crate natsclient 0.0.4 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/natsclient/0.0.4
[INFO] validating manifest of natsclient-0.0.4 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of natsclient-0.0.4 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing natsclient-0.0.4
[INFO] removed 2 missing examples
[INFO] finished frobbing natsclient-0.0.4
[INFO] frobbed toml for natsclient-0.0.4 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/natsclient/0.0.4/Cargo.toml
[INFO] started frobbing natsclient-0.0.4
[INFO] removed 2 missing examples
[INFO] finished frobbing natsclient-0.0.4
[INFO] frobbed toml for natsclient-0.0.4 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/natsclient/0.0.4/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nats-types v0.1.8
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking natsclient-0.0.4 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/natsclient/0.0.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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=forbid" "-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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8e1fd861a4071deb6e8f3ec692835ea31f7b8dd04877d7962630c7088b20f7c9
[INFO] running `"docker" "start" "-a" "8e1fd861a4071deb6e8f3ec692835ea31f7b8dd04877d7962630c7088b20f7c9"`
[INFO] [stderr]    Compiling subtle v2.1.0
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking crossbeam v0.7.1
[INFO] [stderr]     Checking nats-types v0.1.8
[INFO] [stderr]     Checking pretty_env_logger v0.3.0
[INFO] [stderr]     Checking subtle-encoding v0.3.7
[INFO] [stderr]    Compiling curve25519-dalek v1.2.1
[INFO] [stderr]     Checking signatory v0.11.5
[INFO] [stderr]     Checking nuid v0.2.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.1
[INFO] [stderr]     Checking signatory-dalek v0.11.0
[INFO] [stderr]     Checking nkeys v0.0.6
[INFO] [stderr]     Checking natsclient v0.0.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:53:27
[INFO] [stderr]    |
[INFO] [stderr] 53 | type MessageHandler = Arc<Fn(&Message) -> Result<()> + Sync + Send>;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Message) -> Result<()> + Sync + Send`
[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/subs.rs:9:27
[INFO] [stderr]   |
[INFO] [stderr] 9 | type MessageHandler = Arc<Fn(&Message) -> Result<()> + Sync + Send>;
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Message) -> Result<()> + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:53:27
[INFO] [stderr]    |
[INFO] [stderr] 53 | type MessageHandler = Arc<Fn(&Message) -> Result<()> + Sync + Send>;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Message) -> Result<()> + Sync + Send`
[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/subs.rs:9:27
[INFO] [stderr]   |
[INFO] [stderr] 9 | type MessageHandler = Arc<Fn(&Message) -> Result<()> + Sync + Send>;
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Message) -> Result<()> + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.92s
[INFO] running `"docker" "inspect" "8e1fd861a4071deb6e8f3ec692835ea31f7b8dd04877d7962630c7088b20f7c9"`
[INFO] running `"docker" "rm" "-f" "8e1fd861a4071deb6e8f3ec692835ea31f7b8dd04877d7962630c7088b20f7c9"`
[INFO] [stdout] 8e1fd861a4071deb6e8f3ec692835ea31f7b8dd04877d7962630c7088b20f7c9