[INFO] cloning repository https://github.com/scgruber/mica
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scgruber/mica" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscgruber%2Fmica", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscgruber%2Fmica'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c09e98ee23a53834f2f45e6d141d47d4f61c79d7
[INFO] testing scgruber/mica against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscgruber%2Fmica" "/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/scgruber/mica on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scgruber/mica
[INFO] finished tweaking git repo https://github.com/scgruber/mica
[INFO] tweaked toml for git repo https://github.com/scgruber/mica written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/scgruber/mica already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 907301c3194bae935c3806f71179f4df9b97a9fca00eb0d34ae234a4bb6ee7d8
[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" "907301c3194bae935c3806f71179f4df9b97a9fca00eb0d34ae234a4bb6ee7d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "907301c3194bae935c3806f71179f4df9b97a9fca00eb0d34ae234a4bb6ee7d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "907301c3194bae935c3806f71179f4df9b97a9fca00eb0d34ae234a4bb6ee7d8", kill_on_drop: false }`
[INFO] [stdout] 907301c3194bae935c3806f71179f4df9b97a9fca00eb0d34ae234a4bb6ee7d8
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68f7bd23087b9d4b6ccd11f3524891bc93fb2a52ddfdf83799489c8eae05833e
[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" "68f7bd23087b9d4b6ccd11f3524891bc93fb2a52ddfdf83799489c8eae05833e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling iron v0.6.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling handlebars v3.5.2
[INFO] [stderr]    Compiling handlebars-iron v0.29.0
[INFO] [stderr]    Compiling mica v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `Record: serde::ser::Serialize` is not satisfied
[INFO] [stdout]   --> src/main.rs:16:45
[INFO] [stdout]    |
[INFO] [stdout] 16 |     resp.set_mut(Template::new("blog_post", template_data)).set_mut(status::Ok);
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^ the trait `serde::ser::Serialize` is not implemented for `Record`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/handlebars-iron-0.29.0/src/middleware.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn new<T: ToJson>(name: &str, value: T) -> Template {
[INFO] [stdout]    |                   ------ required by this bound in `hbs::Template::new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 0 arguments but 2 arguments were supplied
[INFO] [stdout]   --> src/main.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |     chain.link_after(HandlebarsEngine::new("./templates/", ".hbs"));
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^ --------------  ------ supplied 2 arguments
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      expected 0 arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0277.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mica`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "68f7bd23087b9d4b6ccd11f3524891bc93fb2a52ddfdf83799489c8eae05833e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68f7bd23087b9d4b6ccd11f3524891bc93fb2a52ddfdf83799489c8eae05833e", kill_on_drop: false }`
[INFO] [stdout] 68f7bd23087b9d4b6ccd11f3524891bc93fb2a52ddfdf83799489c8eae05833e