[INFO] cloning repository https://github.com/Yingming29/dbms_grpc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yingming29/dbms_grpc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYingming29%2Fdbms_grpc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYingming29%2Fdbms_grpc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9ecd79f1a00223b569700a8c0eb6fa7ef6df87f
[INFO] checking Yingming29/dbms_grpc against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYingming29%2Fdbms_grpc" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Yingming29/dbms_grpc
[INFO] finished tweaking git repo https://github.com/Yingming29/dbms_grpc
[INFO] tweaked toml for git repo https://github.com/Yingming29/dbms_grpc written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Yingming29/dbms_grpc on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Yingming29/dbms_grpc 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prettyplease v0.2.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8da2343e0157831323677797e66f92c1141f3419cb6ec0b232dbc746e5a1d0b0
[INFO] running `Command { std: "docker" "start" "-a" "8da2343e0157831323677797e66f92c1141f3419cb6ec0b232dbc746e5a1d0b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8da2343e0157831323677797e66f92c1141f3419cb6ec0b232dbc746e5a1d0b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8da2343e0157831323677797e66f92c1141f3419cb6ec0b232dbc746e5a1d0b0", kill_on_drop: false }`
[INFO] [stdout] 8da2343e0157831323677797e66f92c1141f3419cb6ec0b232dbc746e5a1d0b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 257880b80b5a782239fbf4309fe5bb04ae76f0378358d3b831429e696ab1440d
[INFO] running `Command { std: "docker" "start" "-a" "257880b80b5a782239fbf4309fe5bb04ae76f0378358d3b831429e696ab1440d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]     Checking bytes v1.8.0
[INFO] [stderr]    Compiling anyhow v1.0.91
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]    Compiling hashbrown v0.15.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]    Compiling prettyplease v0.2.24
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling syn v2.0.82
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling serde v1.0.213
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling multimap v0.10.0
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking flume v0.11.1
[INFO] [stderr]    Compiling regex-automata v0.4.8
[INFO] [stderr]    Compiling tempfile v3.13.0
[INFO] [stderr]    Compiling regex v1.11.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling prost-derive v0.13.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.213
[INFO] [stderr]    Compiling pin-project-internal v1.1.6
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]     Checking tokio v1.41.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking pin-project v1.1.6
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]    Compiling prost v0.13.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling prost-types v0.13.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling prost-build v0.13.3
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]     Checking tower v0.5.1
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking axum-core v0.4.5
[INFO] [stderr]    Compiling tonic-build v0.12.3
[INFO] [stderr]     Checking tokio-util v0.7.12
[INFO] [stderr]     Checking tokio-stream v0.1.16
[INFO] [stderr]    Compiling dbms_grpc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking h2 v0.4.6
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking axum v0.7.7
[INFO] [stderr]     Checking hyper v1.5.0
[INFO] [stderr]     Checking hyper-util v0.1.9
[INFO] [stderr]     Checking hyper-timeout v0.5.1
[INFO] [stderr]     Checking tonic v0.12.3
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/main.rs:75:14
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let (tx, rx) = mpsc::channel(100);
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]    --> src/main.rs:117:14
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let (tx, rx) = mpsc::channel(100);
[INFO] [stdout]     |              ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `WorkerId` is never used
[INFO] [stdout]   --> src/main.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | type WorkerId = u16;
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WorkerChannels` is never constructed
[INFO] [stdout]   --> src/main.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct WorkerChannels<T> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IOChannels` is never constructed
[INFO] [stdout]   --> src/main.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct IOChannels<T> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/main.rs:75:14
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let (tx, rx) = mpsc::channel(100);
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/client.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let (mut tx, rx) = tokio::sync::mpsc::channel(4);
[INFO] [stdout]    |          ----^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/client.rs:44:10
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let (mut tx2, rx2) = tokio::sync::mpsc::channel(100);
[INFO] [stdout]    |          ----^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]    --> src/main.rs:117:14
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let (tx, rx) = mpsc::channel(100);
[INFO] [stdout]     |              ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `WorkerId` is never used
[INFO] [stdout]   --> src/main.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | type WorkerId = u16;
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WorkerChannels` is never constructed
[INFO] [stdout]   --> src/main.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct WorkerChannels<T> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IOChannels` is never constructed
[INFO] [stdout]   --> src/main.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct IOChannels<T> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/client.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let (mut tx, rx) = tokio::sync::mpsc::channel(4);
[INFO] [stdout]    |          ----^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/client.rs:44:10
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let (mut tx2, rx2) = tokio::sync::mpsc::channel(100);
[INFO] [stdout]    |          ----^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "257880b80b5a782239fbf4309fe5bb04ae76f0378358d3b831429e696ab1440d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "257880b80b5a782239fbf4309fe5bb04ae76f0378358d3b831429e696ab1440d", kill_on_drop: false }`
[INFO] [stdout] 257880b80b5a782239fbf4309fe5bb04ae76f0378358d3b831429e696ab1440d
