[INFO] fetching crate tokio-tower 0.4.0...
[INFO] testing tokio-tower-0.4.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate tokio-tower 0.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate tokio-tower 0.4.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-tower 0.4.0
[INFO] finished tweaking crates.io crate tokio-tower 0.4.0
[INFO] tweaked toml for crates.io crate tokio-tower 0.4.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 900762861b2bbf176546c68e04e5d87319228afc806b1ae74d594eeb5fc7c148
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "900762861b2bbf176546c68e04e5d87319228afc806b1ae74d594eeb5fc7c148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "900762861b2bbf176546c68e04e5d87319228afc806b1ae74d594eeb5fc7c148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "900762861b2bbf176546c68e04e5d87319228afc806b1ae74d594eeb5fc7c148", kill_on_drop: false }`
[INFO] [stdout] 900762861b2bbf176546c68e04e5d87319228afc806b1ae74d594eeb5fc7c148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62f83cce850aad7abc3c4f73e6599f2fb8321284c6e40d5f4fbe4664969e74a2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "62f83cce850aad7abc3c4f73e6599f2fb8321284c6e40d5f4fbe4664969e74a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling tower-discover v0.3.0
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling tower-load v0.3.0
[INFO] [stderr]    Compiling tokio-tower v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.42s
[INFO] running `Command { std: "docker" "inspect" "62f83cce850aad7abc3c4f73e6599f2fb8321284c6e40d5f4fbe4664969e74a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62f83cce850aad7abc3c4f73e6599f2fb8321284c6e40d5f4fbe4664969e74a2", kill_on_drop: false }`
[INFO] [stdout] 62f83cce850aad7abc3c4f73e6599f2fb8321284c6e40d5f4fbe4664969e74a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1d7017b3100be842de8e11603bc77ebb0d82335fd2c309e3a90ebbf8ed371588
[INFO] running `Command { std: "docker" "start" "-a" "1d7017b3100be842de8e11603bc77ebb0d82335fd2c309e3a90ebbf8ed371588", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower-layer v0.3.0
[INFO] [stderr]    Compiling tokio-test v0.2.1
[INFO] [stderr]    Compiling async-bincode v0.5.1
[INFO] [stderr]    Compiling tower-test v0.3.0
[INFO] [stderr]    Compiling tokio-tower v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.35s
[INFO] running `Command { std: "docker" "inspect" "1d7017b3100be842de8e11603bc77ebb0d82335fd2c309e3a90ebbf8ed371588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d7017b3100be842de8e11603bc77ebb0d82335fd2c309e3a90ebbf8ed371588", kill_on_drop: false }`
[INFO] [stdout] 1d7017b3100be842de8e11603bc77ebb0d82335fd2c309e3a90ebbf8ed371588
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d24097b0a35d98108a4fa4b88aa92e4961e5170d86e7a8cbe3b3fde426d15628
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d24097b0a35d98108a4fa4b88aa92e4961e5170d86e7a8cbe3b3fde426d15628", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tokio_tower-1888582347974285
[INFO] [stdout] running 3 tests
[INFO] [stdout] test mediator::test::basic ... ok
[INFO] [stdout] test mediator::test::notified_on_empty_drop ... ok
[INFO] [stdout] test mediator::test::sender_sees_receiver_drop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-77ed576057128bff
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test pipeline::integration ... ok
[INFO] [stdout] test pipeline::client::it_works ... ok
[INFO] [stdout] test multiplex::integration ... ok
[INFO] [stdout] test multiplex::racing_close ... ok
[INFO] [stdout] test pipeline::racing_close ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tokio-tower
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 44) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d24097b0a35d98108a4fa4b88aa92e4961e5170d86e7a8cbe3b3fde426d15628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d24097b0a35d98108a4fa4b88aa92e4961e5170d86e7a8cbe3b3fde426d15628", kill_on_drop: false }`
[INFO] [stdout] d24097b0a35d98108a4fa4b88aa92e4961e5170d86e7a8cbe3b3fde426d15628