[INFO] updating cached repository https://github.com/dominikdosoudil/rpc-server-example
[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] 8dd22e836e26ad88653553b399eae885929c9747
[INFO] checking dominikdosoudil/rpc-server-example against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdominikdosoudil%2Frpc-server-example" "/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/dominikdosoudil/rpc-server-example on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dominikdosoudil/rpc-server-example
[INFO] finished tweaking git repo https://github.com/dominikdosoudil/rpc-server-example
[INFO] tweaked toml for git repo https://github.com/dominikdosoudil/rpc-server-example written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/dominikdosoudil/rpc-server-example already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b55a7ea959f4a899a6ce6fc6c40be0bc4b5ff087a9bf9c1bc064b02bb70b4a02
[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" "b55a7ea959f4a899a6ce6fc6c40be0bc4b5ff087a9bf9c1bc064b02bb70b4a02"`
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]    Compiling version_check v0.1.3
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[INFO] [stderr]     Checking net2 v0.2.31
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[INFO] [stderr]     Checking tokio-core v0.1.11
[INFO] [stderr]     Checking tokio-proto v0.1.1
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[INFO] [stderr]     Checking hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server/mod.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 |     type Future = Box<Future<Item=Self::Response, Error=Self::Error>>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Self::Response, Error=Self::Error>`
[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/server/mod.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 |     type Future = Box<Future<Item=Self::Response, Error=Self::Error>>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Self::Response, Error=Self::Error>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.43s
[INFO] running `"docker" "inspect" "b55a7ea959f4a899a6ce6fc6c40be0bc4b5ff087a9bf9c1bc064b02bb70b4a02"`
[INFO] running `"docker" "rm" "-f" "b55a7ea959f4a899a6ce6fc6c40be0bc4b5ff087a9bf9c1bc064b02bb70b4a02"`
[INFO] [stdout] b55a7ea959f4a899a6ce6fc6c40be0bc4b5ff087a9bf9c1bc064b02bb70b4a02