[INFO] cloning repository https://github.com/hicqu/tower-grpc-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hicqu/tower-grpc-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhicqu%2Ftower-grpc-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhicqu%2Ftower-grpc-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56130161e362d33ed9c66cad873a3260ead2a3f9
[INFO] checking hicqu/tower-grpc-learn against try#21cad1f647cfd05a566220f933edd88a53e50bcf for pr-129249-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhicqu%2Ftower-grpc-learn" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hicqu/tower-grpc-learn
[INFO] finished tweaking git repo https://github.com/hicqu/tower-grpc-learn
[INFO] tweaked toml for git repo https://github.com/hicqu/tower-grpc-learn written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hicqu/tower-grpc-learn on toolchain 21cad1f647cfd05a566220f933edd88a53e50bcf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hicqu/tower-grpc-learn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 12296deb0633bd7989dc37a32e24b3a44d2597ce0a4ae9971eade09d620eb754
[INFO] running `Command { std: "docker" "start" "12296deb0633bd7989dc37a32e24b3a44d2597ce0a4ae9971eade09d620eb754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "12296deb0633bd7989dc37a32e24b3a44d2597ce0a4ae9971eade09d620eb754" "/opt/rustwide/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12296deb0633bd7989dc37a32e24b3a44d2597ce0a4ae9971eade09d620eb754", kill_on_drop: false }`
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[INFO] [stderr]     Checking tower-grpc v0.1.1 (https://github.com/tower-rs/tower-grpc#5308ec0d)
[INFO] [stderr]     Checking tower-hyper v0.1.0 (https://github.com/tower-rs/tower-hyper#2eea4b53)
[INFO] [stderr]     Checking tower-grpc-build v0.1.0 (https://github.com/tower-rs/tower-grpc#5308ec0d)
[INFO] [stderr]     Checking tower-grpc-learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/helloworld.rs:86:30
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                              ^^^^-------------^
[INFO] [stdout]     |                              |   |
[INFO] [stdout]     |                              |   any code following this expression is unreachable
[INFO] [stdout]     |                              unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 228 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `tower_grpc::codegen::server::grpc::Never`, which is uninhabited
[INFO] [stdout]    --> src/helloworld.rs:86:34
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 228 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `try_ready` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/helloworld.rs:86:30
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                              ^^^^-------------^
[INFO] [stdout]     |                              |   |
[INFO] [stdout]     |                              |   any code following this expression is unreachable
[INFO] [stdout]     |                              unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 235 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `tower_grpc::codegen::server::grpc::Never`, which is uninhabited
[INFO] [stdout]    --> src/helloworld.rs:86:34
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 235 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `try_ready` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/helloworld.rs:86:30
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                              ^^^^-------------^
[INFO] [stdout]     |                              |   |
[INFO] [stdout]     |                              |   any code following this expression is unreachable
[INFO] [stdout]     |                              unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 242 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `tower_grpc::codegen::server::grpc::Never`, which is uninhabited
[INFO] [stdout]    --> src/helloworld.rs:86:34
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 242 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `try_ready` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/helloworld.rs:86:30
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                              ^^^^-------------^
[INFO] [stdout]     |                              |   |
[INFO] [stdout]     |                              |   any code following this expression is unreachable
[INFO] [stdout]     |                              unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 249 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `tower_grpc::codegen::server::grpc::Never`, which is uninhabited
[INFO] [stdout]    --> src/helloworld.rs:86:34
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 249 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `try_ready` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/helloworld.rs:86:30
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                              ^^^^-------------^
[INFO] [stdout]     |                              |   |
[INFO] [stdout]     |                              |   any code following this expression is unreachable
[INFO] [stdout]     |                              unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 256 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `tower_grpc::codegen::server::grpc::Never`, which is uninhabited
[INFO] [stdout]    --> src/helloworld.rs:86:34
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 256 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `try_ready` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/helloworld.rs:86:30
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                              ^^^^-------------^
[INFO] [stdout]     |                              |   |
[INFO] [stdout]     |                              |   any code following this expression is unreachable
[INFO] [stdout]     |                              unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 228 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `tower_grpc::codegen::server::grpc::Never`, which is uninhabited
[INFO] [stdout]    --> src/helloworld.rs:86:34
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 228 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `try_ready` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/helloworld.rs:86:30
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                              ^^^^-------------^
[INFO] [stdout]     |                              |   |
[INFO] [stdout]     |                              |   any code following this expression is unreachable
[INFO] [stdout]     |                              unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 235 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `tower_grpc::codegen::server::grpc::Never`, which is uninhabited
[INFO] [stdout]    --> src/helloworld.rs:86:34
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 235 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `try_ready` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/helloworld.rs:86:30
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                              ^^^^-------------^
[INFO] [stdout]     |                              |   |
[INFO] [stdout]     |                              |   any code following this expression is unreachable
[INFO] [stdout]     |                              unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 242 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `tower_grpc::codegen::server::grpc::Never`, which is uninhabited
[INFO] [stdout]    --> src/helloworld.rs:86:34
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 242 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `try_ready` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/helloworld.rs:86:30
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                              ^^^^-------------^
[INFO] [stdout]     |                              |   |
[INFO] [stdout]     |                              |   any code following this expression is unreachable
[INFO] [stdout]     |                              unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 249 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `tower_grpc::codegen::server::grpc::Never`, which is uninhabited
[INFO] [stdout]    --> src/helloworld.rs:86:34
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 249 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `try_ready` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/helloworld.rs:86:30
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                              ^^^^-------------^
[INFO] [stdout]     |                              |   |
[INFO] [stdout]     |                              |   any code following this expression is unreachable
[INFO] [stdout]     |                              unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 256 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `tower_grpc::codegen::server::grpc::Never`, which is uninhabited
[INFO] [stdout]    --> src/helloworld.rs:86:34
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 256 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `try_ready` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/helloworld.rs:86:30
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                              ^^^^-------------^
[INFO] [stdout]     |                              |   |
[INFO] [stdout]     |                              |   any code following this expression is unreachable
[INFO] [stdout]     |                              unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 228 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `tower_grpc::codegen::server::grpc::Never`, which is uninhabited
[INFO] [stdout]    --> src/helloworld.rs:86:34
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 228 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `try_ready` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/helloworld.rs:86:30
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                              ^^^^-------------^
[INFO] [stdout]     |                              |   |
[INFO] [stdout]     |                              |   any code following this expression is unreachable
[INFO] [stdout]     |                              unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 235 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `tower_grpc::codegen::server::grpc::Never`, which is uninhabited
[INFO] [stdout]    --> src/helloworld.rs:86:34
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 235 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `try_ready` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/helloworld.rs:86:30
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                              ^^^^-------------^
[INFO] [stdout]     |                              |   |
[INFO] [stdout]     |                              |   any code following this expression is unreachable
[INFO] [stdout]     |                              unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 242 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `tower_grpc::codegen::server::grpc::Never`, which is uninhabited
[INFO] [stdout]    --> src/helloworld.rs:86:34
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 242 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `try_ready` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/helloworld.rs:86:30
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                              ^^^^-------------^
[INFO] [stdout]     |                              |   |
[INFO] [stdout]     |                              |   any code following this expression is unreachable
[INFO] [stdout]     |                              unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 249 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `tower_grpc::codegen::server::grpc::Never`, which is uninhabited
[INFO] [stdout]    --> src/helloworld.rs:86:34
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 249 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `try_ready` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/helloworld.rs:86:30
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                              ^^^^-------------^
[INFO] [stdout]     |                              |   |
[INFO] [stdout]     |                              |   any code following this expression is unreachable
[INFO] [stdout]     |                              unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 256 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `tower_grpc::codegen::server::grpc::Never`, which is uninhabited
[INFO] [stdout]    --> src/helloworld.rs:86:34
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 256 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `try_ready` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/helloworld.rs:86:30
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                              ^^^^-------------^
[INFO] [stdout]     |                              |   |
[INFO] [stdout]     |                              |   any code following this expression is unreachable
[INFO] [stdout]     |                              unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 228 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `tower_grpc::codegen::server::grpc::Never`, which is uninhabited
[INFO] [stdout]    --> src/helloworld.rs:86:34
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 228 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `try_ready` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/helloworld.rs:86:30
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                              ^^^^-------------^
[INFO] [stdout]     |                              |   |
[INFO] [stdout]     |                              |   any code following this expression is unreachable
[INFO] [stdout]     |                              unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 235 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `tower_grpc::codegen::server::grpc::Never`, which is uninhabited
[INFO] [stdout]    --> src/helloworld.rs:86:34
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 235 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `try_ready` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/helloworld.rs:86:30
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                              ^^^^-------------^
[INFO] [stdout]     |                              |   |
[INFO] [stdout]     |                              |   any code following this expression is unreachable
[INFO] [stdout]     |                              unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 242 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `tower_grpc::codegen::server::grpc::Never`, which is uninhabited
[INFO] [stdout]    --> src/helloworld.rs:86:34
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 242 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `try_ready` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/helloworld.rs:86:30
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                              ^^^^-------------^
[INFO] [stdout]     |                              |   |
[INFO] [stdout]     |                              |   any code following this expression is unreachable
[INFO] [stdout]     |                              unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 249 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `tower_grpc::codegen::server::grpc::Never`, which is uninhabited
[INFO] [stdout]    --> src/helloworld.rs:86:34
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 249 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `try_ready` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/helloworld.rs:86:30
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                              ^^^^-------------^
[INFO] [stdout]     |                              |   |
[INFO] [stdout]     |                              |   any code following this expression is unreachable
[INFO] [stdout]     |                              unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 256 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `tower_grpc::codegen::server::grpc::Never`, which is uninhabited
[INFO] [stdout]    --> src/helloworld.rs:86:34
[INFO] [stdout]     |
[INFO] [stdout]  86 |             Err(e) => return Err(From::from(e)),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 256 |                         let response = try_ready!(fut.poll());
[INFO] [stdout]     |                                        ---------------------- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `try_ready` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.99s
[INFO] running `Command { std: "docker" "inspect" "12296deb0633bd7989dc37a32e24b3a44d2597ce0a4ae9971eade09d620eb754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12296deb0633bd7989dc37a32e24b3a44d2597ce0a4ae9971eade09d620eb754", kill_on_drop: false }`
[INFO] [stdout] 12296deb0633bd7989dc37a32e24b3a44d2597ce0a4ae9971eade09d620eb754
