[INFO] fetching crate datastreamservicelib 1.0.0...
[INFO] building datastreamservicelib-1.0.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate datastreamservicelib 1.0.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate datastreamservicelib 1.0.0
[INFO] finished tweaking crates.io crate datastreamservicelib 1.0.0
[INFO] tweaked toml for crates.io crate datastreamservicelib 1.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate datastreamservicelib 1.0.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate datastreamservicelib 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f9ffdafdbb26259a0634db6330650395d5d9f4053091b0af1e1dcdb4f64c20b
[INFO] running `Command { std: "docker" "start" "-a" "4f9ffdafdbb26259a0634db6330650395d5d9f4053091b0af1e1dcdb4f64c20b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f9ffdafdbb26259a0634db6330650395d5d9f4053091b0af1e1dcdb4f64c20b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f9ffdafdbb26259a0634db6330650395d5d9f4053091b0af1e1dcdb4f64c20b", kill_on_drop: false }`
[INFO] [stdout] 4f9ffdafdbb26259a0634db6330650395d5d9f4053091b0af1e1dcdb4f64c20b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77a4f9af88464bd16f010d72239fa7760d7dc4980619cc092736742d0eca60b6
[INFO] running `Command { std: "docker" "start" "-a" "77a4f9af88464bd16f010d72239fa7760d7dc4980619cc092736742d0eca60b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling miniz_oxide v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling metadeps v1.1.2
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]    Compiling indexmap v1.8.1
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[INFO] [stderr]    Compiling zmq-sys v0.11.0
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[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling async-zmq-derive v0.1.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling async-zmq-types v0.3.2
[INFO] [stderr]    Compiling tokio-zmq v0.10.1
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling rmp-serde v0.14.4
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling datastreamcorelib v1.0.0
[INFO] [stderr]    Compiling datastreamservicelib v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused output of future returned by `tokio::task::yield_now` that must be used
[INFO] [stdout]    --> src/zmqwrappers.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         tokio::task::yield_now().await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: yield_now does nothing unless polled/`await`-ed
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let _ = tokio::task::yield_now().await;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.88s
[INFO] running `Command { std: "docker" "inspect" "77a4f9af88464bd16f010d72239fa7760d7dc4980619cc092736742d0eca60b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77a4f9af88464bd16f010d72239fa7760d7dc4980619cc092736742d0eca60b6", kill_on_drop: false }`
[INFO] [stdout] 77a4f9af88464bd16f010d72239fa7760d7dc4980619cc092736742d0eca60b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68d35ea53d61095cd87968743e15295a8ee446b5464d980f6ac82eb1b4780bf7
[INFO] running `Command { std: "docker" "start" "-a" "68d35ea53d61095cd87968743e15295a8ee446b5464d980f6ac82eb1b4780bf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling datastreamservicelib v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused output of future returned by `tokio::task::yield_now` that must be used
[INFO] [stdout]    --> src/zmqwrappers.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         tokio::task::yield_now().await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: yield_now does nothing unless polled/`await`-ed
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let _ = tokio::task::yield_now().await;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused output of future returned by `tokio::task::yield_now` that must be used
[INFO] [stdout]    --> src/zmqwrappers.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         tokio::task::yield_now().await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: yield_now does nothing unless polled/`await`-ed
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let _ = tokio::task::yield_now().await;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "68d35ea53d61095cd87968743e15295a8ee446b5464d980f6ac82eb1b4780bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68d35ea53d61095cd87968743e15295a8ee446b5464d980f6ac82eb1b4780bf7", kill_on_drop: false }`
[INFO] [stdout] 68d35ea53d61095cd87968743e15295a8ee446b5464d980f6ac82eb1b4780bf7