[INFO] crate tokio-tower 0.4.0 is already in cache
[INFO] testing tokio-tower-0.4.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate tokio-tower 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tokio-tower 0.4.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 790d4a9cf3e73feaed845f238ce69a5571cb06036220afdfc0db93cf60d10bfe
[INFO] running `"docker" "start" "-a" "790d4a9cf3e73feaed845f238ce69a5571cb06036220afdfc0db93cf60d10bfe"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling tracing-core v0.1.10
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.19
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.8
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling tracing v0.1.15
[INFO] [stderr]    Compiling pin-project v0.4.19
[INFO] [stderr]    Compiling tower-discover v0.3.0
[INFO] [stderr]    Compiling futures-util v0.3.5
[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 45.86s
[INFO] running `"docker" "inspect" "790d4a9cf3e73feaed845f238ce69a5571cb06036220afdfc0db93cf60d10bfe"`
[INFO] running `"docker" "rm" "-f" "790d4a9cf3e73feaed845f238ce69a5571cb06036220afdfc0db93cf60d10bfe"`
[INFO] [stdout] 790d4a9cf3e73feaed845f238ce69a5571cb06036220afdfc0db93cf60d10bfe
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2709c127c48f2c8e078402191eeac2649b2875b7f82e478372761a695bc14dd5
[INFO] running `"docker" "start" "-a" "2709c127c48f2c8e078402191eeac2649b2875b7f82e478372761a695bc14dd5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tower-layer v0.3.0
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling tokio-test v0.2.1
[INFO] [stderr]    Compiling tower-test v0.3.0
[INFO] [stderr]    Compiling async-bincode v0.5.1
[INFO] [stderr]    Compiling tokio-tower v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.99s
[INFO] running `"docker" "inspect" "2709c127c48f2c8e078402191eeac2649b2875b7f82e478372761a695bc14dd5"`
[INFO] running `"docker" "rm" "-f" "2709c127c48f2c8e078402191eeac2649b2875b7f82e478372761a695bc14dd5"`
[INFO] [stdout] 2709c127c48f2c8e078402191eeac2649b2875b7f82e478372761a695bc14dd5
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5deb98eb7c6487d746df02c45d560722bdf7b1c6efbc88388116d3d306c3997c
[INFO] running `"docker" "start" "-a" "5deb98eb7c6487d746df02c45d560722bdf7b1c6efbc88388116d3d306c3997c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tokio_tower-0cfa4355313153cf
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test mediator::test::sender_sees_receiver_drop ... ok
[INFO] [stdout] test mediator::test::notified_on_empty_drop ... ok
[INFO] [stdout] test mediator::test::basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-b86a957dbd388457
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test multiplex::racing_close ... ok
[INFO] [stdout] test pipeline::client::it_works ... ok
[INFO] [stdout] test pipeline::racing_close ... ok
[INFO] [stdout] test multiplex::integration ... ok
[INFO] [stdout] test pipeline::integration ... ok
[INFO] [stderr]    Doc-tests tokio-tower
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5deb98eb7c6487d746df02c45d560722bdf7b1c6efbc88388116d3d306c3997c"`
[INFO] running `"docker" "rm" "-f" "5deb98eb7c6487d746df02c45d560722bdf7b1c6efbc88388116d3d306c3997c"`
[INFO] [stdout] 5deb98eb7c6487d746df02c45d560722bdf7b1c6efbc88388116d3d306c3997c