[INFO] fetching crate datastreamservicelib 1.0.0...
[INFO] checking datastreamservicelib-1.0.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate datastreamservicelib 1.0.0 into /workspace/builds/worker-3-tc1/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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate datastreamservicelib 1.0.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-zmq v0.10.1
[INFO] [stderr]   Downloaded async-zmq-types v0.3.2
[INFO] [stderr]   Downloaded thread-id v4.0.0
[INFO] [stderr]   Downloaded async-zmq-derive v0.1.0
[INFO] [stderr]   Downloaded datastreamcorelib v1.0.0
[INFO] [stderr]   Downloaded libmath v0.1.4
[INFO] [stderr]   Downloaded paste v1.0.7
[INFO] [stderr]   Downloaded rmp v0.8.11
[INFO] [stderr]   Downloaded rmp-serde v0.14.4
[INFO] [stderr]   Downloaded backtrace v0.3.65
[INFO] [stderr]   Downloaded serde_json v1.0.80
[INFO] [stderr]   Downloaded fern v0.6.1
[INFO] [stderr]   Downloaded object v0.28.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3b5f9c9b618de2cabf864babb38be077dc11f01497bf6098b0aae29b94bdd42
[INFO] running `Command { std: "docker" "start" "-a" "a3b5f9c9b618de2cabf864babb38be077dc11f01497bf6098b0aae29b94bdd42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3b5f9c9b618de2cabf864babb38be077dc11f01497bf6098b0aae29b94bdd42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3b5f9c9b618de2cabf864babb38be077dc11f01497bf6098b0aae29b94bdd42", kill_on_drop: false }`
[INFO] [stdout] a3b5f9c9b618de2cabf864babb38be077dc11f01497bf6098b0aae29b94bdd42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fb7341c9adc53f73b14cf20f33831dc46eb8571305b5ddb4638b54f706b623c
[INFO] running `Command { std: "docker" "start" "-a" "9fb7341c9adc53f73b14cf20f33831dc46eb8571305b5ddb4638b54f706b623c", 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 log v0.4.17
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking object v0.28.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking fixedbitset v0.2.0
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[INFO] [stderr]     Checking futures-channel v0.3.21
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[INFO] [stderr]    Compiling serde_json v1.0.80
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[INFO] [stderr]    Compiling zmq-sys v0.11.0
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[INFO] [stderr]    Compiling async-zmq-derive v0.1.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking async-zmq-types v0.3.2
[INFO] [stderr]     Checking tokio-zmq v0.10.1
[INFO] [stderr]     Checking serde v1.0.137
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking datastreamcorelib v1.0.0
[INFO] [stderr]     Checking 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 `dev` profile [unoptimized + debuginfo] target(s) in 29.74s
[INFO] running `Command { std: "docker" "inspect" "9fb7341c9adc53f73b14cf20f33831dc46eb8571305b5ddb4638b54f706b623c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fb7341c9adc53f73b14cf20f33831dc46eb8571305b5ddb4638b54f706b623c", kill_on_drop: false }`
[INFO] [stdout] 9fb7341c9adc53f73b14cf20f33831dc46eb8571305b5ddb4638b54f706b623c
