[INFO] fetching crate nut-client 0.0.4...
[INFO] testing nut-client-0.0.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate nut-client 0.0.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate nut-client 0.0.4 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 nut-client 0.0.4
[INFO] finished tweaking crates.io crate nut-client 0.0.4
[INFO] tweaked toml for crates.io crate nut-client 0.0.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate nut-client 0.0.4 already has a lockfile, it will not be regenerated
[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] [stdout] 4f9381f8bd432008a7455122886da9bb1c811086bcccf80dd91c89dc3ec38e40
[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" "4f9381f8bd432008a7455122886da9bb1c811086bcccf80dd91c89dc3ec38e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f9381f8bd432008a7455122886da9bb1c811086bcccf80dd91c89dc3ec38e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f9381f8bd432008a7455122886da9bb1c811086bcccf80dd91c89dc3ec38e40", kill_on_drop: false }`
[INFO] [stdout] 4f9381f8bd432008a7455122886da9bb1c811086bcccf80dd91c89dc3ec38e40
[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] c459c63a90691724291c8c7c2168efb820634289be5f16e757738d4c22fbe201
[INFO] running `Command { std: "docker" "start" "-a" "c459c63a90691724291c8c7c2168efb820634289be5f16e757738d4c22fbe201", kill_on_drop: false }`
[INFO] [stderr]    Compiling shell-words v1.0.0
[INFO] [stderr]    Compiling nut-client v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "c459c63a90691724291c8c7c2168efb820634289be5f16e757738d4c22fbe201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c459c63a90691724291c8c7c2168efb820634289be5f16e757738d4c22fbe201", kill_on_drop: false }`
[INFO] [stdout] c459c63a90691724291c8c7c2168efb820634289be5f16e757738d4c22fbe201
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9e630151a756f4911082276d4efc0a4e1c884726ecf7740e7089d17d6100472f
[INFO] running `Command { std: "docker" "start" "-a" "9e630151a756f4911082276d4efc0a4e1c884726ecf7740e7089d17d6100472f", kill_on_drop: false }`
[INFO] [stderr]    Compiling nut-client v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "9e630151a756f4911082276d4efc0a4e1c884726ecf7740e7089d17d6100472f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e630151a756f4911082276d4efc0a4e1c884726ecf7740e7089d17d6100472f", kill_on_drop: false }`
[INFO] [stdout] 9e630151a756f4911082276d4efc0a4e1c884726ecf7740e7089d17d6100472f
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4bc23bc90173bca72e2263fe7c75d81d6b4c56e3e3ae928f805c99dc465adcd1
[INFO] running `Command { std: "docker" "start" "-a" "4bc23bc90173bca72e2263fe7c75d81d6b4c56e3e3ae928f805c99dc465adcd1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[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/nut_client-6db65b07dbc41230
[INFO] [stderr]    Doc-tests nut-client
[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" "4bc23bc90173bca72e2263fe7c75d81d6b4c56e3e3ae928f805c99dc465adcd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc23bc90173bca72e2263fe7c75d81d6b4c56e3e3ae928f805c99dc465adcd1", kill_on_drop: false }`
[INFO] [stdout] 4bc23bc90173bca72e2263fe7c75d81d6b4c56e3e3ae928f805c99dc465adcd1