[INFO] cloning repository https://github.com/Jekahome/gRPC_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jekahome/gRPC_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJekahome%2FgRPC_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJekahome%2FgRPC_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3694839937d4773df8a3f795c645721b5b78527f
[INFO] checking Jekahome/gRPC_example against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJekahome%2FgRPC_example" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jekahome/gRPC_example on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jekahome/gRPC_example
[INFO] finished tweaking git repo https://github.com/Jekahome/gRPC_example
[INFO] tweaked toml for git repo https://github.com/Jekahome/gRPC_example written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Jekahome/gRPC_example 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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d34739cd96c8ebeb272a60424b1a314e7e075bd49795c03c346edc61cdd79037
[INFO] running `Command { std: "docker" "start" "-a" "d34739cd96c8ebeb272a60424b1a314e7e075bd49795c03c346edc61cdd79037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d34739cd96c8ebeb272a60424b1a314e7e075bd49795c03c346edc61cdd79037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d34739cd96c8ebeb272a60424b1a314e7e075bd49795c03c346edc61cdd79037", kill_on_drop: false }`
[INFO] [stdout] d34739cd96c8ebeb272a60424b1a314e7e075bd49795c03c346edc61cdd79037
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0554a38201c271c4f3d93ff21b1e50dcab987b8e06b9c4aaf42c4eed34bbf83
[INFO] running `Command { std: "docker" "start" "-a" "b0554a38201c271c4f3d93ff21b1e50dcab987b8e06b9c4aaf42c4eed34bbf83", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking pin-project-lite v0.2.10
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[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking hashbrown v0.12.3
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[INFO] [stderr]    Compiling demo v0.1.0 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     /// TODO: generate command: `cargo build`
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     /// TODO: generate command: `cargo build`
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/server.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let mut stock = match item.stock.borrow_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]    --> src/server.rs:194:9
[INFO] [stdout]     |
[INFO] [stdout] 194 |     let mut stock = match item.stock.borrow_mut() {
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/server.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let mut stock = match item.stock.borrow_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]    --> src/server.rs:194:9
[INFO] [stdout]     |
[INFO] [stdout] 194 |     let mut stock = match item.stock.borrow_mut() {
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `String` to `String`
[INFO] [stdout]   --> src/server.rs:73:16
[INFO] [stdout]    |
[INFO] [stdout] 73 |     map.insert(sku.into(), item);
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `demo` (bin "server" test) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this conversion is useless `String` to `String`
[INFO] [stdout]   --> src/server.rs:73:16
[INFO] [stdout]    |
[INFO] [stdout] 73 |     map.insert(sku.into(), item);
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `demo` (bin "server") due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b0554a38201c271c4f3d93ff21b1e50dcab987b8e06b9c4aaf42c4eed34bbf83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0554a38201c271c4f3d93ff21b1e50dcab987b8e06b9c4aaf42c4eed34bbf83", kill_on_drop: false }`
[INFO] [stdout] b0554a38201c271c4f3d93ff21b1e50dcab987b8e06b9c4aaf42c4eed34bbf83