[INFO] fetching crate futures-dns 0.0.0...
[INFO] testing futures-dns-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate futures-dns 0.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate futures-dns 0.0.0 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 futures-dns 0.0.0
[INFO] finished tweaking crates.io crate futures-dns 0.0.0
[INFO] tweaked toml for crates.io crate futures-dns 0.0.0 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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f31cab0a7fb5363ef62d3d0fec6de7aba18526070ed722c0ada4c95fddd9fbd
[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" "6f31cab0a7fb5363ef62d3d0fec6de7aba18526070ed722c0ada4c95fddd9fbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f31cab0a7fb5363ef62d3d0fec6de7aba18526070ed722c0ada4c95fddd9fbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f31cab0a7fb5363ef62d3d0fec6de7aba18526070ed722c0ada4c95fddd9fbd", kill_on_drop: false }`
[INFO] [stdout] 6f31cab0a7fb5363ef62d3d0fec6de7aba18526070ed722c0ada4c95fddd9fbd
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] c66366abbe52963d1ea0ffcdda9977e0211d6ed4739e0b9bfa8ab3184f87b7f5
[INFO] running `Command { std: "docker" "start" "-a" "c66366abbe52963d1ea0ffcdda9977e0211d6ed4739e0b9bfa8ab3184f87b7f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-dns v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "c66366abbe52963d1ea0ffcdda9977e0211d6ed4739e0b9bfa8ab3184f87b7f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c66366abbe52963d1ea0ffcdda9977e0211d6ed4739e0b9bfa8ab3184f87b7f5", kill_on_drop: false }`
[INFO] [stdout] c66366abbe52963d1ea0ffcdda9977e0211d6ed4739e0b9bfa8ab3184f87b7f5
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 0bc098d9aae43d7c6f5d1baeda9d7ac35426f5663d89ec58dca22f3c422537b7
[INFO] running `Command { std: "docker" "start" "-a" "0bc098d9aae43d7c6f5d1baeda9d7ac35426f5663d89ec58dca22f3c422537b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-dns v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "0bc098d9aae43d7c6f5d1baeda9d7ac35426f5663d89ec58dca22f3c422537b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bc098d9aae43d7c6f5d1baeda9d7ac35426f5663d89ec58dca22f3c422537b7", kill_on_drop: false }`
[INFO] [stdout] 0bc098d9aae43d7c6f5d1baeda9d7ac35426f5663d89ec58dca22f3c422537b7
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 14a749254fc28f9dd2c64f13afb8bfa404f4a4aacf0afe7859f207d06b20be96
[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" "14a749254fc28f9dd2c64f13afb8bfa404f4a4aacf0afe7859f207d06b20be96", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/futures_dns-16b8dbb9bac5eda6
[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] [stderr]      Running /opt/rustwide/target/debug/deps/test-742d54bb2ccb2e42
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests futures-dns
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "14a749254fc28f9dd2c64f13afb8bfa404f4a4aacf0afe7859f207d06b20be96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14a749254fc28f9dd2c64f13afb8bfa404f4a4aacf0afe7859f207d06b20be96", kill_on_drop: false }`
[INFO] [stdout] 14a749254fc28f9dd2c64f13afb8bfa404f4a4aacf0afe7859f207d06b20be96