[INFO] fetching crate openvpn-management 0.3.0...
[INFO] checking openvpn-management-0.3.0 against beta for pr-78714
[INFO] extracting crate openvpn-management 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate openvpn-management 0.3.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate openvpn-management 0.3.0
[INFO] finished tweaking crates.io crate openvpn-management 0.3.0
[INFO] tweaked toml for crates.io crate openvpn-management 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a91f6925efd23d8185e908ce96093f93d8db4ae98fe24a0ca2bbc6f0f6a815f
[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" "6a91f6925efd23d8185e908ce96093f93d8db4ae98fe24a0ca2bbc6f0f6a815f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a91f6925efd23d8185e908ce96093f93d8db4ae98fe24a0ca2bbc6f0f6a815f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a91f6925efd23d8185e908ce96093f93d8db4ae98fe24a0ca2bbc6f0f6a815f", kill_on_drop: false }`
[INFO] [stdout] 6a91f6925efd23d8185e908ce96093f93d8db4ae98fe24a0ca2bbc6f0f6a815f
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--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] 7899cdd091b544d5a68e81ec520eb2ccc8b53bf1ea569a107ca0f7d8f25ccef2
[INFO] running `Command { std: "docker" "start" "-a" "7899cdd091b544d5a68e81ec520eb2ccc8b53bf1ea569a107ca0f7d8f25ccef2", kill_on_drop: false }`
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking openvpn-management v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:38:46
[INFO] [stdout]    |
[INFO] [stdout] 38 |             OpenvpnError::Io(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:39:52
[INFO] [stdout]    |
[INFO] [stdout] 39 |             OpenvpnError::ParseInt(ref err) => err.description(),
[INFO] [stdout]    |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:40:54
[INFO] [stdout]    |
[INFO] [stdout] 40 |             OpenvpnError::ParseFloat(ref err) => err.description(),
[INFO] [stdout]    |                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:38:46
[INFO] [stdout]    |
[INFO] [stdout] 38 |             OpenvpnError::Io(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:39:52
[INFO] [stdout]    |
[INFO] [stdout] 39 |             OpenvpnError::ParseInt(ref err) => err.description(),
[INFO] [stdout]    |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:40:54
[INFO] [stdout]    |
[INFO] [stdout] 40 |             OpenvpnError::ParseFloat(ref err) => err.description(),
[INFO] [stdout]    |                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "7899cdd091b544d5a68e81ec520eb2ccc8b53bf1ea569a107ca0f7d8f25ccef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7899cdd091b544d5a68e81ec520eb2ccc8b53bf1ea569a107ca0f7d8f25ccef2", kill_on_drop: false }`
[INFO] [stdout] 7899cdd091b544d5a68e81ec520eb2ccc8b53bf1ea569a107ca0f7d8f25ccef2