[INFO] updating cached repository https://github.com/YushiOMOTE/rrpc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c056b2ff607f9dca8224ed99f869b94c28d9c439
[INFO] checking YushiOMOTE/rrpc against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYushiOMOTE%2Frrpc" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YushiOMOTE/rrpc on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/YushiOMOTE/rrpc
[INFO] finished tweaking git repo https://github.com/YushiOMOTE/rrpc
[INFO] tweaked toml for git repo https://github.com/YushiOMOTE/rrpc written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/YushiOMOTE/rrpc already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bb9298d46ed1c59237fd45f088f1a5c64f162720747d79d89ac40de6f19cdd4f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "bb9298d46ed1c59237fd45f088f1a5c64f162720747d79d89ac40de6f19cdd4f"`
[INFO] [stderr]    Compiling pest v2.0.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.12
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]    Compiling pest_meta v2.0.3
[INFO] [stderr]    Compiling pest_generator v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling pest_derive v2.0.1
[INFO] [stderr]     Checking tera v0.11.18
[INFO] [stderr]     Checking rrpc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generator.rs:36:50
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn primitive(resolver: &mut Resolver, lang: &mut LangGenerator, ident: &str, tt: Trait) {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn LangGenerator`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generator.rs:46:19
[INFO] [stderr]    |
[INFO] [stderr] 46 |     lang: &'g mut LangGenerator,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn LangGenerator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generator.rs:50:30
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn new(lang: &'g mut LangGenerator) -> Self {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^ help: use `dyn`: `dyn LangGenerator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lang/mod.rs:54:22
[INFO] [stderr]    |
[INFO] [stderr] 54 | type Gen = Arc<Mutex<LangGenerator + Send + Sync>>;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LangGenerator + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generator.rs:36:50
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn primitive(resolver: &mut Resolver, lang: &mut LangGenerator, ident: &str, tt: Trait) {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn LangGenerator`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generator.rs:46:19
[INFO] [stderr]    |
[INFO] [stderr] 46 |     lang: &'g mut LangGenerator,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn LangGenerator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generator.rs:50:30
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn new(lang: &'g mut LangGenerator) -> Self {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^ help: use `dyn`: `dyn LangGenerator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lang/mod.rs:54:22
[INFO] [stderr]    |
[INFO] [stderr] 54 | type Gen = Arc<Mutex<LangGenerator + Send + Sync>>;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LangGenerator + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.49s
[INFO] running `"docker" "inspect" "bb9298d46ed1c59237fd45f088f1a5c64f162720747d79d89ac40de6f19cdd4f"`
[INFO] running `"docker" "rm" "-f" "bb9298d46ed1c59237fd45f088f1a5c64f162720747d79d89ac40de6f19cdd4f"`
[INFO] [stdout] bb9298d46ed1c59237fd45f088f1a5c64f162720747d79d89ac40de6f19cdd4f