[INFO] fetching crate natsclient 0.0.5...
[INFO] extracting crate natsclient 0.0.5 into work/ex/beta-1.37-6/sources/1.36.0/reg/natsclient/0.0.5
[INFO] extracting crate natsclient 0.0.5 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/natsclient/0.0.5
[INFO] validating manifest of natsclient-0.0.5 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 natsclient-0.0.5 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 natsclient-0.0.5
[INFO] removed 2 missing examples
[INFO] finished frobbing natsclient-0.0.5
[INFO] frobbed toml for natsclient-0.0.5 written to work/ex/beta-1.37-6/sources/1.36.0/reg/natsclient/0.0.5/Cargo.toml
[INFO] started frobbing natsclient-0.0.5
[INFO] removed 2 missing examples
[INFO] finished frobbing natsclient-0.0.5
[INFO] frobbed toml for natsclient-0.0.5 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/natsclient/0.0.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing natsclient-0.0.5 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/natsclient/0.0.5:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 2ca58b43acf2af86a793d41426d0d1648d9ddf69a0f2195747104bf11ce6b0bb
[INFO] running `"docker" "start" "-a" "2ca58b43acf2af86a793d41426d0d1648d9ddf69a0f2195747104bf11ce6b0bb"`
[INFO] [stderr]    Compiling subtle v2.1.1
[INFO] [stderr]    Compiling getrandom v0.1.7
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling zeroize_derive v0.9.3
[INFO] [stderr]    Compiling nats-types v0.1.8
[INFO] [stderr]    Compiling curve25519-dalek v1.2.2
[INFO] [stderr]    Compiling zeroize v0.9.3
[INFO] [stderr]    Compiling nuid v0.2.1
[INFO] [stderr]    Compiling subtle-encoding v0.3.7
[INFO] [stderr]    Compiling signatory v0.11.5
[INFO] [stderr]    Compiling ed25519-dalek v1.0.0-pre.1
[INFO] [stderr]    Compiling signatory-dalek v0.11.0
[INFO] [stderr]    Compiling nkeys v0.0.6
[INFO] [stderr]    Compiling natsclient v0.0.5 (/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]     Finished dev [unoptimized + debuginfo] target(s) in 17.53s
[INFO] running `"docker" "inspect" "2ca58b43acf2af86a793d41426d0d1648d9ddf69a0f2195747104bf11ce6b0bb"`
[INFO] running `"docker" "rm" "-f" "2ca58b43acf2af86a793d41426d0d1648d9ddf69a0f2195747104bf11ce6b0bb"`
[INFO] [stdout] 2ca58b43acf2af86a793d41426d0d1648d9ddf69a0f2195747104bf11ce6b0bb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/natsclient/0.0.5:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 77b2039e6992838de66a14a185bf7b2da2147ef62513c917b50061aaed6887fe
[INFO] running `"docker" "start" "-a" "77b2039e6992838de66a14a185bf7b2da2147ef62513c917b50061aaed6887fe"`
[INFO] [stderr]    Compiling pretty_env_logger v0.3.0
[INFO] [stderr]    Compiling natsclient v0.0.5 (/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: unused imports: `ClientOptions`, `Client`
[INFO] [stderr]    --> src/lib.rs:297:38
[INFO] [stderr]     |
[INFO] [stderr] 297 |     use super::{AuthenticationStyle, Client, ClientOptions};
[INFO] [stderr]     |                                      ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]    --> src/lib.rs:298:9
[INFO] [stderr]     |
[INFO] [stderr] 298 |     use std::time::Duration;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.65s
[INFO] running `"docker" "inspect" "77b2039e6992838de66a14a185bf7b2da2147ef62513c917b50061aaed6887fe"`
[INFO] running `"docker" "rm" "-f" "77b2039e6992838de66a14a185bf7b2da2147ef62513c917b50061aaed6887fe"`
[INFO] [stdout] 77b2039e6992838de66a14a185bf7b2da2147ef62513c917b50061aaed6887fe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/natsclient/0.0.5:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 0ae8b34fe2d3e057c26f029e67f80af3f0e683c404a5f22249c7a63485cbe1b3
[INFO] running `"docker" "start" "-a" "0ae8b34fe2d3e057c26f029e67f80af3f0e683c404a5f22249c7a63485cbe1b3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/natsclient-a1bbd5187997a6f9
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test subs::tests::add_subscription_sends_sub_message ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test subs::tests::remove_subscription_sends_unsub_message ... ok
[INFO] [stderr]    Doc-tests natsclient
[INFO] [stdout] test tests::credsfile_parses ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0ae8b34fe2d3e057c26f029e67f80af3f0e683c404a5f22249c7a63485cbe1b3"`
[INFO] running `"docker" "rm" "-f" "0ae8b34fe2d3e057c26f029e67f80af3f0e683c404a5f22249c7a63485cbe1b3"`
[INFO] [stdout] 0ae8b34fe2d3e057c26f029e67f80af3f0e683c404a5f22249c7a63485cbe1b3