[INFO] fetching crate nut-client 0.0.4...
[INFO] testing nut-client-0.0.4 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate nut-client 0.0.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nut-client 0.0.4 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-4/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7550532d7051bc0884fbf1ff08a44f7ce8bbf156d1728e3e13c1e9a66d8f9562
[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" "7550532d7051bc0884fbf1ff08a44f7ce8bbf156d1728e3e13c1e9a66d8f9562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7550532d7051bc0884fbf1ff08a44f7ce8bbf156d1728e3e13c1e9a66d8f9562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7550532d7051bc0884fbf1ff08a44f7ce8bbf156d1728e3e13c1e9a66d8f9562", kill_on_drop: false }`
[INFO] [stdout] 7550532d7051bc0884fbf1ff08a44f7ce8bbf156d1728e3e13c1e9a66d8f9562
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "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] e3cfe7a3c880fa0acfddbafbe8930c1a27a827e8bada854ada8786715d6ce6db
[INFO] running `Command { std: "docker" "start" "-a" "e3cfe7a3c880fa0acfddbafbe8930c1a27a827e8bada854ada8786715d6ce6db", 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 1.85s
[INFO] running `Command { std: "docker" "inspect" "e3cfe7a3c880fa0acfddbafbe8930c1a27a827e8bada854ada8786715d6ce6db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3cfe7a3c880fa0acfddbafbe8930c1a27a827e8bada854ada8786715d6ce6db", kill_on_drop: false }`
[INFO] [stdout] e3cfe7a3c880fa0acfddbafbe8930c1a27a827e8bada854ada8786715d6ce6db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a44fc942249b4aed580c19906bf258b9fdba42ed25ed5dfbbe55b993b8f7ec10
[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" "a44fc942249b4aed580c19906bf258b9fdba42ed25ed5dfbbe55b993b8f7ec10", kill_on_drop: false }`
[INFO] [stderr]    Compiling nut-client v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "a44fc942249b4aed580c19906bf258b9fdba42ed25ed5dfbbe55b993b8f7ec10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a44fc942249b4aed580c19906bf258b9fdba42ed25ed5dfbbe55b993b8f7ec10", kill_on_drop: false }`
[INFO] [stdout] a44fc942249b4aed580c19906bf258b9fdba42ed25ed5dfbbe55b993b8f7ec10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4cc8e123bd73a95dc82996a5ab0f3c3055355ec3fed1ee75e64c57d09d6870cc
[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" "4cc8e123bd73a95dc82996a5ab0f3c3055355ec3fed1ee75e64c57d09d6870cc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nut_client-de82735775f6615f
[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; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4cc8e123bd73a95dc82996a5ab0f3c3055355ec3fed1ee75e64c57d09d6870cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cc8e123bd73a95dc82996a5ab0f3c3055355ec3fed1ee75e64c57d09d6870cc", kill_on_drop: false }`
[INFO] [stdout] 4cc8e123bd73a95dc82996a5ab0f3c3055355ec3fed1ee75e64c57d09d6870cc