[INFO] crate tower-ready-cache 0.3.1 is already in cache
[INFO] testing tower-ready-cache-0.3.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate tower-ready-cache 0.3.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tower-ready-cache 0.3.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tower-ready-cache 0.3.1
[INFO] finished tweaking crates.io crate tower-ready-cache 0.3.1
[INFO] tweaked toml for crates.io crate tower-ready-cache 0.3.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5a362ed1147827d08082e2484cc1067090a60027a64d602a55900a51fe2e37c
[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" "a5a362ed1147827d08082e2484cc1067090a60027a64d602a55900a51fe2e37c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5a362ed1147827d08082e2484cc1067090a60027a64d602a55900a51fe2e37c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5a362ed1147827d08082e2484cc1067090a60027a64d602a55900a51fe2e37c", kill_on_drop: false }`
[INFO] [stdout] a5a362ed1147827d08082e2484cc1067090a60027a64d602a55900a51fe2e37c
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05fb5f7e738f3c2bdf7769eede18708b0075f8cd5c12920a42baf4de20ce1a91
[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" "05fb5f7e738f3c2bdf7769eede18708b0075f8cd5c12920a42baf4de20ce1a91", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tower-ready-cache v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.86s
[INFO] running `Command { std: "docker" "inspect" "05fb5f7e738f3c2bdf7769eede18708b0075f8cd5c12920a42baf4de20ce1a91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05fb5f7e738f3c2bdf7769eede18708b0075f8cd5c12920a42baf4de20ce1a91", kill_on_drop: false }`
[INFO] [stdout] 05fb5f7e738f3c2bdf7769eede18708b0075f8cd5c12920a42baf4de20ce1a91
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78ffaf7d871efa400b6e86e5c1577c853c44faeaca6019dbae51eadab65a7feb
[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" "78ffaf7d871efa400b6e86e5c1577c853c44faeaca6019dbae51eadab65a7feb", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-test v0.2.1
[INFO] [stderr]    Compiling tower-test v0.3.0
[INFO] [stderr]    Compiling tower-ready-cache v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `Command { std: "docker" "inspect" "78ffaf7d871efa400b6e86e5c1577c853c44faeaca6019dbae51eadab65a7feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78ffaf7d871efa400b6e86e5c1577c853c44faeaca6019dbae51eadab65a7feb", kill_on_drop: false }`
[INFO] [stdout] 78ffaf7d871efa400b6e86e5c1577c853c44faeaca6019dbae51eadab65a7feb
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 57c7c923db8f90e816344797c7f6d640f7afa24b2898007fde9defa74baca46b
[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" "57c7c923db8f90e816344797c7f6d640f7afa24b2898007fde9defa74baca46b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tower_ready_cache-25e6b3e4fb9a510d
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ready_cache-ab2d267137624eda
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test poll_ready_not_ready ... ok
[INFO] [stdout] test poll_ready_promotes_inner ... ok
[INFO] [stdout] test poll_ready_inner_failure ... ok
[INFO] [stdout] test evict_ready_then_error ... ok
[INFO] [stdout] test duplicate_key_by_index ... ok
[INFO] [stdout] test push_then_evict ... ok
[INFO] [stdout] test error_after_promote ... ok
[INFO] [stderr]    Doc-tests tower-ready-cache
[INFO] [stdout] test evict_pending_then_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 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 `Command { std: "docker" "inspect" "57c7c923db8f90e816344797c7f6d640f7afa24b2898007fde9defa74baca46b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57c7c923db8f90e816344797c7f6d640f7afa24b2898007fde9defa74baca46b", kill_on_drop: false }`
[INFO] [stdout] 57c7c923db8f90e816344797c7f6d640f7afa24b2898007fde9defa74baca46b