[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] checking kflansburg/cnidaria against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkflansburg%2Fcnidaria" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kflansburg/cnidaria on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-4/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15863798b7fe4d260a6e3dba8bc0611edb6c00c9c853e6fc2bd0e5b8b89f6798
[INFO] running `Command { std: "docker" "start" "-a" "15863798b7fe4d260a6e3dba8bc0611edb6c00c9c853e6fc2bd0e5b8b89f6798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15863798b7fe4d260a6e3dba8bc0611edb6c00c9c853e6fc2bd0e5b8b89f6798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15863798b7fe4d260a6e3dba8bc0611edb6c00c9c853e6fc2bd0e5b8b89f6798", kill_on_drop: false }`
[INFO] [stdout] 15863798b7fe4d260a6e3dba8bc0611edb6c00c9c853e6fc2bd0e5b8b89f6798
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8a54c36812db33e01c706f4fede86c4573a8caa5d8da572e58193e21e664053
[INFO] running `Command { std: "docker" "start" "-a" "d8a54c36812db33e01c706f4fede86c4573a8caa5d8da572e58193e21e664053", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking 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] 122 | |     pub dns: Option<DnsConfig>,
[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 `_::_serde::ser::SerializeStruct::serialize_field`
[INFO] [stdout] 
[INFO] [stdout] 
[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] 122 | |     pub dns: Option<DnsConfig>,
[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 `_::_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] [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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d8a54c36812db33e01c706f4fede86c4573a8caa5d8da572e58193e21e664053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8a54c36812db33e01c706f4fede86c4573a8caa5d8da572e58193e21e664053", kill_on_drop: false }`
[INFO] [stdout] d8a54c36812db33e01c706f4fede86c4573a8caa5d8da572e58193e21e664053