[INFO] cloning repository https://github.com/izissise/tonic-middleware
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/izissise/tonic-middleware" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fizissise%2Ftonic-middleware", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fizissise%2Ftonic-middleware'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19008050064deca962201789e2bb9b7a6505ff6a
[INFO] checking izissise/tonic-middleware against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fizissise%2Ftonic-middleware" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/izissise/tonic-middleware on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/izissise/tonic-middleware
[INFO] finished tweaking git repo https://github.com/izissise/tonic-middleware
[INFO] tweaked toml for git repo https://github.com/izissise/tonic-middleware written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/izissise/tonic-middleware 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-attributes v0.1.12
[INFO] [stderr]   Downloaded tokio-stream v0.1.3
[INFO] [stderr]   Downloaded async-stream-impl v0.3.0
[INFO] [stderr]   Downloaded http-body v0.4.0
[INFO] [stderr]   Downloaded async-stream v0.3.0
[INFO] [stderr]   Downloaded async-trait v0.1.42
[INFO] [stderr]   Downloaded futures-channel v0.3.12
[INFO] [stderr]   Downloaded h2 v0.3.0
[INFO] [stderr]   Downloaded tokio v1.2.0
[INFO] [stderr]   Downloaded tokio-util v0.6.3
[INFO] [stderr]   Downloaded futures-util v0.3.12
[INFO] [stderr]   Downloaded indexmap v1.6.1
[INFO] [stderr]   Downloaded hyper v0.14.4
[INFO] [stderr]   Downloaded tower v0.4.4
[INFO] [stderr]   Downloaded tracing v0.1.23
[INFO] [stderr]   Downloaded tonic v0.4.0
[INFO] [stderr]   Downloaded anyhow v1.0.38
[INFO] [stderr]   Downloaded futures-sink v0.3.12
[INFO] [stderr]   Downloaded futures-task v0.3.12
[INFO] [stderr]   Downloaded futures-core v0.3.12
[INFO] [stderr]   Downloaded pin-project-lite v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b5a4cc3c6c6d70f6ef98d2933d2e289dc2460fe4c827473dfbeed7e517cf314
[INFO] running `Command { std: "docker" "start" "-a" "3b5a4cc3c6c6d70f6ef98d2933d2e289dc2460fe4c827473dfbeed7e517cf314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b5a4cc3c6c6d70f6ef98d2933d2e289dc2460fe4c827473dfbeed7e517cf314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b5a4cc3c6c6d70f6ef98d2933d2e289dc2460fe4c827473dfbeed7e517cf314", kill_on_drop: false }`
[INFO] [stdout] 3b5a4cc3c6c6d70f6ef98d2933d2e289dc2460fe4c827473dfbeed7e517cf314
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc87ea5a88de9e952c4a46326281c48a23ab24898bade7b63db540b914e9cdc2
[INFO] running `Command { std: "docker" "start" "-a" "bc87ea5a88de9e952c4a46326281c48a23ab24898bade7b63db540b914e9cdc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]     Checking tonic-middleware-macros v0.1.0 (/opt/rustwide/workdir/tonic-middleware_macros)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tonic-middleware_macros/src/tonic_middleware_macro.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |         for mut r in rpcs.iter_mut() {
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tonic-middleware_macros/src/tonic_middleware_macro.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |         for mut r in rpcs.iter_mut() {
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.12
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tonic-middleware_macros/src/tonic_middleware_macro.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |         for mut r in rpcs.iter_mut() {
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tracing v0.1.23
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking prost v0.7.0
[INFO] [stderr]     Checking tokio-util v0.6.3
[INFO] [stderr]     Checking tokio-stream v0.1.3
[INFO] [stderr]     Checking h2 v0.3.0
[INFO] [stderr]     Checking tower v0.4.4
[INFO] [stderr]     Checking hyper v0.14.4
[INFO] [stderr]     Checking tonic v0.4.0
[INFO] [stderr]     Checking tonic-middleware v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.66s
[INFO] running `Command { std: "docker" "inspect" "bc87ea5a88de9e952c4a46326281c48a23ab24898bade7b63db540b914e9cdc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc87ea5a88de9e952c4a46326281c48a23ab24898bade7b63db540b914e9cdc2", kill_on_drop: false }`
[INFO] [stdout] bc87ea5a88de9e952c4a46326281c48a23ab24898bade7b63db540b914e9cdc2
[INFO] checking izissise/tonic-middleware against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fizissise%2Ftonic-middleware" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/izissise/tonic-middleware on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/izissise/tonic-middleware
[INFO] finished tweaking git repo https://github.com/izissise/tonic-middleware
[INFO] tweaked toml for git repo https://github.com/izissise/tonic-middleware written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/izissise/tonic-middleware 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 432e9024697ca009705d2ece9765cd82b271a7afc04847ba1bc61541ed6cba86
[INFO] running `Command { std: "docker" "start" "-a" "432e9024697ca009705d2ece9765cd82b271a7afc04847ba1bc61541ed6cba86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "432e9024697ca009705d2ece9765cd82b271a7afc04847ba1bc61541ed6cba86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "432e9024697ca009705d2ece9765cd82b271a7afc04847ba1bc61541ed6cba86", kill_on_drop: false }`
[INFO] [stdout] 432e9024697ca009705d2ece9765cd82b271a7afc04847ba1bc61541ed6cba86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23c51b6bcc3be723807e2f529b88cc30c2e46f24f04217fa2a7e48269567cd37
[INFO] running `Command { std: "docker" "start" "-a" "23c51b6bcc3be723807e2f529b88cc30c2e46f24f04217fa2a7e48269567cd37", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.12
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]    Compiling tonic-middleware-macros v0.1.0 (/opt/rustwide/workdir/tonic-middleware_macros)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tonic-middleware_macros/src/tonic_middleware_macro.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |         for mut r in rpcs.iter_mut() {
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tonic-middleware_macros/src/tonic_middleware_macro.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |         for mut r in rpcs.iter_mut() {
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking prost v0.7.0
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking tracing v0.1.23
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tonic-middleware_macros/src/tonic_middleware_macro.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |         for mut r in rpcs.iter_mut() {
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tokio-util v0.6.3
[INFO] [stderr]     Checking tokio-stream v0.1.3
[INFO] [stderr]     Checking h2 v0.3.0
[INFO] [stderr]     Checking tower v0.4.4
[INFO] [stderr]     Checking hyper v0.14.4
[INFO] [stderr]     Checking tonic v0.4.0
[INFO] [stderr]     Checking tonic-middleware v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.00s
[INFO] running `Command { std: "docker" "inspect" "23c51b6bcc3be723807e2f529b88cc30c2e46f24f04217fa2a7e48269567cd37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23c51b6bcc3be723807e2f529b88cc30c2e46f24f04217fa2a7e48269567cd37", kill_on_drop: false }`
[INFO] [stdout] 23c51b6bcc3be723807e2f529b88cc30c2e46f24f04217fa2a7e48269567cd37