[INFO] cloning repository https://github.com/dominikdosoudil/rpc-server-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dominikdosoudil/rpc-server-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdominikdosoudil%2Frpc-server-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdominikdosoudil%2Frpc-server-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8dd22e836e26ad88653553b399eae885929c9747
[INFO] testing dominikdosoudil/rpc-server-example against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdominikdosoudil%2Frpc-server-example" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dominikdosoudil/rpc-server-example on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] e73ffc6b1cb7b4ce8b0cd3391fa1436896bc53baa41c6ea259bdbff8b6f294fd
[INFO] running `Command { std: "docker" "start" "-a" "e73ffc6b1cb7b4ce8b0cd3391fa1436896bc53baa41c6ea259bdbff8b6f294fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e73ffc6b1cb7b4ce8b0cd3391fa1436896bc53baa41c6ea259bdbff8b6f294fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e73ffc6b1cb7b4ce8b0cd3391fa1436896bc53baa41c6ea259bdbff8b6f294fd", kill_on_drop: false }`
[INFO] [stdout] e73ffc6b1cb7b4ce8b0cd3391fa1436896bc53baa41c6ea259bdbff8b6f294fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d8d0d509e30ad13ee175631d222c10596c5e57d083ec7964c004ad8af350266
[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" "1d8d0d509e30ad13ee175631d222c10596c5e57d083ec7964c004ad8af350266", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling futures v0.1.17
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling lazycell v0.5.1
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling httparse v1.2.3
[INFO] [stderr]    Compiling log v0.4.0
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling base64 v0.8.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling iovec v0.1.1
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling bytes v0.4.5
[INFO] [stderr]    Compiling mime v0.3.5
[INFO] [stderr]    Compiling mio v0.6.11
[INFO] [stderr]    Compiling tokio-io v0.1.4
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.7
[INFO] [stderr]    Compiling relay v0.1.0
[INFO] [stderr]    Compiling tokio-core v0.1.11
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling hyper v0.11.9
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/mod.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |     type Future = Box<Future<Item=Self::Response, Error=Self::Error>>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Self::Response, Error=Self::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.55s
[INFO] running `Command { std: "docker" "inspect" "1d8d0d509e30ad13ee175631d222c10596c5e57d083ec7964c004ad8af350266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d8d0d509e30ad13ee175631d222c10596c5e57d083ec7964c004ad8af350266", kill_on_drop: false }`
[INFO] [stdout] 1d8d0d509e30ad13ee175631d222c10596c5e57d083ec7964c004ad8af350266
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 915655039a20e79f355e256c1639e41315be5be5e0a1679dcca23a9bf55f8542
[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" "915655039a20e79f355e256c1639e41315be5be5e0a1679dcca23a9bf55f8542", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/mod.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |     type Future = Box<Future<Item=Self::Response, Error=Self::Error>>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Self::Response, Error=Self::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "915655039a20e79f355e256c1639e41315be5be5e0a1679dcca23a9bf55f8542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "915655039a20e79f355e256c1639e41315be5be5e0a1679dcca23a9bf55f8542", kill_on_drop: false }`
[INFO] [stdout] 915655039a20e79f355e256c1639e41315be5be5e0a1679dcca23a9bf55f8542
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", 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] 27857a8aa57fdd7c11c39714371d2785628482538313e19c1de4da83688e9770
[INFO] running `Command { std: "docker" "start" "-a" "27857a8aa57fdd7c11c39714371d2785628482538313e19c1de4da83688e9770", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/server/mod.rs:18:20
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 18 |     type Future = Box<Future<Item=Self::Response, Error=Self::Error>>;
[INFO] [stdout] 
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `hello_cargo` (bin "hello_cargo" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_cargo-7fdedfbf0cf208be)
[INFO] running `Command { std: "docker" "inspect" "27857a8aa57fdd7c11c39714371d2785628482538313e19c1de4da83688e9770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27857a8aa57fdd7c11c39714371d2785628482538313e19c1de4da83688e9770", kill_on_drop: false }`
[INFO] [stdout] 27857a8aa57fdd7c11c39714371d2785628482538313e19c1de4da83688e9770