[INFO] fetching crate futurize-derive 0.5.0...
[INFO] testing futurize-derive-0.5.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate futurize-derive 0.5.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate futurize-derive 0.5.0 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 futurize-derive 0.5.0
[INFO] finished tweaking crates.io crate futurize-derive 0.5.0
[INFO] tweaked toml for crates.io crate futurize-derive 0.5.0 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 047f18b6c9051d292f4533e069f85a2188c8a238a224961521e6e1071e891222
[INFO] running `Command { std: "docker" "start" "-a" "047f18b6c9051d292f4533e069f85a2188c8a238a224961521e6e1071e891222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "047f18b6c9051d292f4533e069f85a2188c8a238a224961521e6e1071e891222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "047f18b6c9051d292f4533e069f85a2188c8a238a224961521e6e1071e891222", kill_on_drop: false }`
[INFO] [stdout] 047f18b6c9051d292f4533e069f85a2188c8a238a224961521e6e1071e891222
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 3a8951fb438196907eb693f65e208b9d11b8703b1d11d5cf78cfb1ba45cb4684
[INFO] running `Command { std: "docker" "start" "-a" "3a8951fb438196907eb693f65e208b9d11b8703b1d11d5cf78cfb1ba45cb4684", kill_on_drop: false }`
[INFO] [stderr]    Compiling futurize-derive v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "3a8951fb438196907eb693f65e208b9d11b8703b1d11d5cf78cfb1ba45cb4684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a8951fb438196907eb693f65e208b9d11b8703b1d11d5cf78cfb1ba45cb4684", kill_on_drop: false }`
[INFO] [stdout] 3a8951fb438196907eb693f65e208b9d11b8703b1d11d5cf78cfb1ba45cb4684
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 7241059d78cd30d877a298541153beda25ffbb6c5adf473c383030f61919895d
[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" "7241059d78cd30d877a298541153beda25ffbb6c5adf473c383030f61919895d", kill_on_drop: false }`
[INFO] [stderr]    Compiling futurize-derive v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "7241059d78cd30d877a298541153beda25ffbb6c5adf473c383030f61919895d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7241059d78cd30d877a298541153beda25ffbb6c5adf473c383030f61919895d", kill_on_drop: false }`
[INFO] [stdout] 7241059d78cd30d877a298541153beda25ffbb6c5adf473c383030f61919895d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 104210cb4c4fdec6a54bf1a234ef92809d7533a6f39bf72e06302158640d7c1f
[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" "104210cb4c4fdec6a54bf1a234ef92809d7533a6f39bf72e06302158640d7c1f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/futurize_derive-a76bbf4e9da288ff
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests futurize-derive
[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 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" "104210cb4c4fdec6a54bf1a234ef92809d7533a6f39bf72e06302158640d7c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "104210cb4c4fdec6a54bf1a234ef92809d7533a6f39bf72e06302158640d7c1f", kill_on_drop: false }`
[INFO] [stdout] 104210cb4c4fdec6a54bf1a234ef92809d7533a6f39bf72e06302158640d7c1f