[INFO] cloning repository https://github.com/trinary/scow-tonic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/trinary/scow-tonic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrinary%2Fscow-tonic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrinary%2Fscow-tonic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9751d915c74e68f34486e73078fecc6944237891
[INFO] checking trinary/scow-tonic against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrinary%2Fscow-tonic" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/trinary/scow-tonic on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/trinary/scow-tonic
[INFO] finished tweaking git repo https://github.com/trinary/scow-tonic
[INFO] tweaked toml for git repo https://github.com/trinary/scow-tonic written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/trinary/scow-tonic 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost v0.13.1
[INFO] [stderr]   Downloaded prost-types v0.13.1
[INFO] [stderr]   Downloaded hyper-timeout v0.5.1
[INFO] [stderr]   Downloaded prost-build v0.13.1
[INFO] [stderr]   Downloaded prost-derive v0.13.1
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[INFO] [stderr]   Downloaded console-subscriber v0.3.0
[INFO] [stderr]   Downloaded hyper v0.14.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21b21b29d64bfbd14c9414f2603e3fbece5773004c4c3cc9c993e36f979b9904
[INFO] running `Command { std: "docker" "start" "-a" "21b21b29d64bfbd14c9414f2603e3fbece5773004c4c3cc9c993e36f979b9904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21b21b29d64bfbd14c9414f2603e3fbece5773004c4c3cc9c993e36f979b9904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21b21b29d64bfbd14c9414f2603e3fbece5773004c4c3cc9c993e36f979b9904", kill_on_drop: false }`
[INFO] [stdout] 21b21b29d64bfbd14c9414f2603e3fbece5773004c4c3cc9c993e36f979b9904
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efa78a68afc0802a53e469c919925189e97ea4e61f1e8d4369480213363e7de9
[INFO] running `Command { std: "docker" "start" "-a" "efa78a68afc0802a53e469c919925189e97ea4e61f1e8d4369480213363e7de9", kill_on_drop: false }`
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[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling tonic-build v0.12.1
[INFO] [stderr]    Compiling scow-tonic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking tokio-stream v0.1.15
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[INFO] [stdout] warning: unused import: `mpsc::SendError`
[INFO] [stdout]  --> src/state_handler.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Debug, sync::{mpsc::SendError, Arc}};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mpsc::SendError`
[INFO] [stdout]  --> src/state_handler.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Debug, sync::{mpsc::SendError, Arc}};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_client` is never used
[INFO] [stdout]  --> src/./client_tools.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn build_client(
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `next_index` and `match_index` are never read
[INFO] [stdout]   --> src/scow_impl.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct LeaderState {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 48 |     /// for each server, index of the next log entry to send to that server (initialized to leaderlast log index + 1)
[INFO] [stdout] 49 |     next_index: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 50 |     /// for each server, index of highest log entry known to be replicated on server (initialized to 0, increases monotonically)
[INFO] [stdout] 51 |     match_index: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LeaderState` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_client` is never used
[INFO] [stdout]  --> src/./client_tools.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn build_client(
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `next_index` and `match_index` are never read
[INFO] [stdout]   --> src/scow_impl.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct LeaderState {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 48 |     /// for each server, index of the next log entry to send to that server (initialized to leaderlast log index + 1)
[INFO] [stdout] 49 |     next_index: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 50 |     /// for each server, index of highest log entry known to be replicated on server (initialized to 0, increases monotonically)
[INFO] [stdout] 51 |     match_index: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LeaderState` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.43s
[INFO] running `Command { std: "docker" "inspect" "efa78a68afc0802a53e469c919925189e97ea4e61f1e8d4369480213363e7de9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efa78a68afc0802a53e469c919925189e97ea4e61f1e8d4369480213363e7de9", kill_on_drop: false }`
[INFO] [stdout] efa78a68afc0802a53e469c919925189e97ea4e61f1e8d4369480213363e7de9