[INFO] fetching crate alternate-tonic-client 0.1.3...
[INFO] checking alternate-tonic-client-0.1.3 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate alternate-tonic-client 0.1.3 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate alternate-tonic-client 0.1.3
[INFO] finished tweaking crates.io crate alternate-tonic-client 0.1.3
[INFO] tweaked toml for crates.io crate alternate-tonic-client 0.1.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate alternate-tonic-client 0.1.3 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate alternate-tonic-client 0.1.3 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23004f3bf975a5c5f78e1ca3f6876172ba636f4d5d5234343b0b92e6a12a290d
[INFO] running `Command { std: "docker" "start" "-a" "23004f3bf975a5c5f78e1ca3f6876172ba636f4d5d5234343b0b92e6a12a290d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23004f3bf975a5c5f78e1ca3f6876172ba636f4d5d5234343b0b92e6a12a290d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23004f3bf975a5c5f78e1ca3f6876172ba636f4d5d5234343b0b92e6a12a290d", kill_on_drop: false }`
[INFO] [stdout] 23004f3bf975a5c5f78e1ca3f6876172ba636f4d5d5234343b0b92e6a12a290d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44c6e8419537278f630f9885a063a02fc010ba6133bdde0e6eceb57972b58e77
[INFO] running `Command { std: "docker" "start" "-a" "44c6e8419537278f630f9885a063a02fc010ba6133bdde0e6eceb57972b58e77", kill_on_drop: false }`
[INFO] [stderr]     Checking itoa v1.0.16
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling aws-lc-rs v1.15.2
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]    Compiling cc v1.2.50
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling rustls v0.23.35
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]     Checking webpki-roots v1.0.4
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]    Compiling aws-lc-sys v0.35.0
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling prost-derive v0.14.1
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking prost v0.14.1
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking hyper v1.8.1
[INFO] [stderr]     Checking hyper-util v0.1.19
[INFO] [stderr]     Checking tonic v0.14.2
[INFO] [stderr]     Checking tonic-prost v0.14.2
[INFO] [stderr]     Checking alternate-tonic-client v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `GrpcConnector` is never constructed
[INFO] [stdout]    --> src/connector.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub struct GrpcConnector {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alternate-tonic-client` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "44c6e8419537278f630f9885a063a02fc010ba6133bdde0e6eceb57972b58e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44c6e8419537278f630f9885a063a02fc010ba6133bdde0e6eceb57972b58e77", kill_on_drop: false }`
[INFO] [stdout] 44c6e8419537278f630f9885a063a02fc010ba6133bdde0e6eceb57972b58e77
