[INFO] fetching crate download-async 0.1.1...
[INFO] testing download-async-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate download-async 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate download-async 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate download-async 0.1.1
[INFO] finished tweaking crates.io crate download-async 0.1.1
[INFO] tweaked toml for crates.io crate download-async 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] 9b189a9571bb81e563b5eb28ae17e88fb2ccb4654770fb817c1b51b725dd9aa8
[INFO] running `Command { std: "docker" "start" "-a" "9b189a9571bb81e563b5eb28ae17e88fb2ccb4654770fb817c1b51b725dd9aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b189a9571bb81e563b5eb28ae17e88fb2ccb4654770fb817c1b51b725dd9aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b189a9571bb81e563b5eb28ae17e88fb2ccb4654770fb817c1b51b725dd9aa8", kill_on_drop: false }`
[INFO] [stdout] 9b189a9571bb81e563b5eb28ae17e88fb2ccb4654770fb817c1b51b725dd9aa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "build" "--frozen" "--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] b9f4f8e43f1bbc95ade02cf930377c10f7b5fd0428b3f850a2c8b8b89dd27c5f
[INFO] running `Command { std: "docker" "start" "-a" "b9f4f8e43f1bbc95ade02cf930377c10f7b5fd0428b3f850a2c8b8b89dd27c5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling bytes v1.0.0
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling tower-layer v0.3.0
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling http-body v0.4.0
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling async-stream v0.3.0
[INFO] [stderr]    Compiling tokio-stream v0.1.0
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling tokio-util v0.6.0
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling tower-discover v0.3.0
[INFO] [stderr]    Compiling tower-timeout v0.3.0
[INFO] [stderr]    Compiling tower-load-shed v0.3.0
[INFO] [stderr]    Compiling tower-buffer v0.3.0
[INFO] [stderr]    Compiling tower-retry v0.3.0
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling tower-load v0.3.0
[INFO] [stderr]    Compiling tower-limit v0.3.1
[INFO] [stderr]    Compiling h2 v0.3.0
[INFO] [stderr]    Compiling tower-util v0.3.1
[INFO] [stderr]    Compiling tower v0.3.1
[INFO] [stderr]    Compiling hyper v0.14.2
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling download-async v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.80s
[INFO] running `Command { std: "docker" "inspect" "b9f4f8e43f1bbc95ade02cf930377c10f7b5fd0428b3f850a2c8b8b89dd27c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f4f8e43f1bbc95ade02cf930377c10f7b5fd0428b3f850a2c8b8b89dd27c5f", kill_on_drop: false }`
[INFO] [stdout] b9f4f8e43f1bbc95ade02cf930377c10f7b5fd0428b3f850a2c8b8b89dd27c5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8679ef690aab96fa30a45d3c7eb4080a27e978748e4d02504972c452c2d1e1a
[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" "e8679ef690aab96fa30a45d3c7eb4080a27e978748e4d02504972c452c2d1e1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling download-async v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `Command { std: "docker" "inspect" "e8679ef690aab96fa30a45d3c7eb4080a27e978748e4d02504972c452c2d1e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8679ef690aab96fa30a45d3c7eb4080a27e978748e4d02504972c452c2d1e1a", kill_on_drop: false }`
[INFO] [stdout] e8679ef690aab96fa30a45d3c7eb4080a27e978748e4d02504972c452c2d1e1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3aa672ccfd257e5a73e323aff4d76fbe6cc8697b20f90a4222165c90a89ff934
[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" "3aa672ccfd257e5a73e323aff4d76fbe6cc8697b20f90a4222165c90a89ff934", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/download_async-cc2d682da29e3039
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests download-async
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "3aa672ccfd257e5a73e323aff4d76fbe6cc8697b20f90a4222165c90a89ff934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aa672ccfd257e5a73e323aff4d76fbe6cc8697b20f90a4222165c90a89ff934", kill_on_drop: false }`
[INFO] [stdout] 3aa672ccfd257e5a73e323aff4d76fbe6cc8697b20f90a4222165c90a89ff934