[INFO] cloning repository https://github.com/kflansburg/cnidaria
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kflansburg/cnidaria" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkflansburg%2Fcnidaria", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkflansburg%2Fcnidaria'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca6973f18730b337ad53f6869f51efa3bf9adbee
[INFO] testing kflansburg/cnidaria against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkflansburg%2Fcnidaria" "/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/kflansburg/cnidaria on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kflansburg/cnidaria
[INFO] finished tweaking git repo https://github.com/kflansburg/cnidaria
[INFO] tweaked toml for git repo https://github.com/kflansburg/cnidaria written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/kflansburg/cnidaria already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1dc95526a56c59783dfcce801c35476e05dd589a84a9c989e48588716949cc2
[INFO] running `Command { std: "docker" "start" "-a" "a1dc95526a56c59783dfcce801c35476e05dd589a84a9c989e48588716949cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1dc95526a56c59783dfcce801c35476e05dd589a84a9c989e48588716949cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1dc95526a56c59783dfcce801c35476e05dd589a84a9c989e48588716949cc2", kill_on_drop: false }`
[INFO] [stdout] a1dc95526a56c59783dfcce801c35476e05dd589a84a9c989e48588716949cc2
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b5d00c0bb8fd1ef61ffad9f3f8787cb39907ef5d6eac0aeac863f40dfd3449f
[INFO] running `Command { std: "docker" "start" "-a" "4b5d00c0bb8fd1ef61ffad9f3f8787cb39907ef5d6eac0aeac863f40dfd3449f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling cnidaria v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `DnsConfig: Serialize` is not satisfied
[INFO] [stdout]     --> src/lib.rs:121:5
[INFO] [stdout]      |
[INFO] [stdout] 121  |     /// Common DNS information.
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Serialize` is not implemented for `DnsConfig`
[INFO] [stdout]      |
[INFO] [stdout]      = note: required because of the requirements on the impl of `Serialize` for `std::option::Option<DnsConfig>`
[INFO] [stdout] note: required by a bound in `_::_serde::ser::SerializeStruct::serialize_field`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.117/src/ser/mod.rs:1877:12
[INFO] [stdout]      |
[INFO] [stdout] 1877 |         T: Serialize;
[INFO] [stdout]      |            ^^^^^^^^^ required by this bound in `_::_serde::ser::SerializeStruct::serialize_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cnidaria` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4b5d00c0bb8fd1ef61ffad9f3f8787cb39907ef5d6eac0aeac863f40dfd3449f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b5d00c0bb8fd1ef61ffad9f3f8787cb39907ef5d6eac0aeac863f40dfd3449f", kill_on_drop: false }`
[INFO] [stdout] 4b5d00c0bb8fd1ef61ffad9f3f8787cb39907ef5d6eac0aeac863f40dfd3449f