[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#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkflansburg%2Fcnidaria" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kflansburg/cnidaria on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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-6/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] c8f5e687052f0ccd0819a1943e161ab5e0df4450f93542c052416804073037b2
[INFO] running `Command { std: "docker" "start" "-a" "c8f5e687052f0ccd0819a1943e161ab5e0df4450f93542c052416804073037b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8f5e687052f0ccd0819a1943e161ab5e0df4450f93542c052416804073037b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8f5e687052f0ccd0819a1943e161ab5e0df4450f93542c052416804073037b2", kill_on_drop: false }`
[INFO] [stdout] c8f5e687052f0ccd0819a1943e161ab5e0df4450f93542c052416804073037b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a172b4a7410bb7eea19275ad28aec6faafa96d9cf665d4d8e884653e65fc0e5
[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" "4a172b4a7410bb7eea19275ad28aec6faafa96d9cf665d4d8e884653e65fc0e5", 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]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling quote v1.0.7
[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] [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] [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: build failed
[INFO] running `Command { std: "docker" "inspect" "4a172b4a7410bb7eea19275ad28aec6faafa96d9cf665d4d8e884653e65fc0e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a172b4a7410bb7eea19275ad28aec6faafa96d9cf665d4d8e884653e65fc0e5", kill_on_drop: false }`
[INFO] [stdout] 4a172b4a7410bb7eea19275ad28aec6faafa96d9cf665d4d8e884653e65fc0e5