[INFO] cloning repository https://github.com/SolidTux/durakserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SolidTux/durakserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolidTux%2Fdurakserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolidTux%2Fdurakserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3202172ab3a4447b088bc05f68b884f60c5913e
[INFO] documenting SolidTux/durakserver against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolidTux%2Fdurakserver" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SolidTux/durakserver on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SolidTux/durakserver
[INFO] finished tweaking git repo https://github.com/SolidTux/durakserver
[INFO] tweaked toml for git repo https://github.com/SolidTux/durakserver written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/SolidTux/durakserver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "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] 0c9a4d554107b848ec575ef627856b289f7111a39c44ba6debbb126679b0c7cd
[INFO] running `Command { std: "docker" "start" "-a" "0c9a4d554107b848ec575ef627856b289f7111a39c44ba6debbb126679b0c7cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c9a4d554107b848ec575ef627856b289f7111a39c44ba6debbb126679b0c7cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c9a4d554107b848ec575ef627856b289f7111a39c44ba6debbb126679b0c7cd", kill_on_drop: false }`
[INFO] [stdout] 0c9a4d554107b848ec575ef627856b289f7111a39c44ba6debbb126679b0c7cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ac091f831da445b249076627f11932e0039e0a35c878a76f5fd45ea63f24554
[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" "3ac091f831da445b249076627f11932e0039e0a35c878a76f5fd45ea63f24554", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking durakserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting durakserver v0.1.0 (/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/network.rs:302:52
[INFO] [stdout]     |
[INFO] [stdout] 302 |         DurakError::new(DurakErrorType::IOError, e.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/network.rs:308:61
[INFO] [stdout]     |
[INFO] [stdout] 308 |         DurakError::new(DurakErrorType::ChannelRecvError, e.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/network.rs:314:56
[INFO] [stdout]     |
[INFO] [stdout] 314 |         DurakError::new(DurakErrorType::ParserError, e.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/network.rs:320:61
[INFO] [stdout]     |
[INFO] [stdout] 320 |         DurakError::new(DurakErrorType::ChannelSendError, e.description())
[INFO] [stdout]     |                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.56s
[INFO] running `Command { std: "docker" "inspect" "3ac091f831da445b249076627f11932e0039e0a35c878a76f5fd45ea63f24554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ac091f831da445b249076627f11932e0039e0a35c878a76f5fd45ea63f24554", kill_on_drop: false }`
[INFO] [stdout] 3ac091f831da445b249076627f11932e0039e0a35c878a76f5fd45ea63f24554