[INFO] fetching crate starberry_sql 0.6.4...
[INFO] checking starberry_sql-0.6.4 against try#dd2d87b6cc31907ae305875eb6be399783dc0256 for pr-143929
[INFO] extracting crate starberry_sql 0.6.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate starberry_sql 0.6.4
[INFO] finished tweaking crates.io crate starberry_sql 0.6.4
[INFO] tweaked toml for crates.io crate starberry_sql 0.6.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate starberry_sql 0.6.4 on toolchain dd2d87b6cc31907ae305875eb6be399783dc0256
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate starberry_sql 0.6.4 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" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da577c26a5effc04744270f847113b7a0a92b24e6945349e941aa1e026923a58
[INFO] running `Command { std: "docker" "start" "-a" "da577c26a5effc04744270f847113b7a0a92b24e6945349e941aa1e026923a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da577c26a5effc04744270f847113b7a0a92b24e6945349e941aa1e026923a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da577c26a5effc04744270f847113b7a0a92b24e6945349e941aa1e026923a58", kill_on_drop: false }`
[INFO] [stdout] da577c26a5effc04744270f847113b7a0a92b24e6945349e941aa1e026923a58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98cb36bc44acb257468826c9f91aa2a68752d0322e9c8d2e17e049250db8f971
[INFO] running `Command { std: "docker" "start" "-a" "98cb36bc44acb257468826c9f91aa2a68752d0322e9c8d2e17e049250db8f971", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking cfg-if v1.0.1
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[INFO] [stderr]     Checking starberry_sql v0.6.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/sql/pool.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/sql/pool.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pw`
[INFO] [stdout]    --> src/sql/connection.rs:229:54
[INFO] [stdout]     |
[INFO] [stdout] 229 | ...                   if let (Some(user), Some(pw)) = (&self.username, &self.password) {
[INFO] [stdout]     |                                                ^^ help: if this is intentional, prefix it with an underscore: `_pw`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pw`
[INFO] [stdout]    --> src/sql/connection.rs:229:54
[INFO] [stdout]     |
[INFO] [stdout] 229 | ...                   if let (Some(user), Some(pw)) = (&self.username, &self.password) {
[INFO] [stdout]     |                                                ^^ help: if this is intentional, prefix it with an underscore: `_pw`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io::AsyncWriteExt`
[INFO] [stdout]    --> src/sql/connection.rs:382:17
[INFO] [stdout]     |
[INFO] [stdout] 382 |             use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `starberry_core::connection::transmit::Pool`
[INFO] [stdout]  --> src/sql/test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use starberry_core::connection::transmit::Pool;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io::AsyncWriteExt`
[INFO] [stdout]    --> src/sql/connection.rs:382:17
[INFO] [stdout]     |
[INFO] [stdout] 382 |             use tokio::io::AsyncWriteExt;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `host`, `port`, `protocol`, `database`, `username`, and `password` are never read
[INFO] [stdout]    --> src/sql/connection.rs:369:5
[INFO] [stdout]     |
[INFO] [stdout] 368 | pub struct DbConnection {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 369 |     host: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 370 |     port: u16,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 371 |     protocol: Protocol,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 372 |     database: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 373 |     username: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 374 |     password: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestRow` is never constructed
[INFO] [stdout]   --> src/sql/test.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct TestRow {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `host`, `port`, `protocol`, `database`, `username`, and `password` are never read
[INFO] [stdout]    --> src/sql/connection.rs:369:5
[INFO] [stdout]     |
[INFO] [stdout] 368 | pub struct DbConnection {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 369 |     host: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 370 |     port: u16,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 371 |     protocol: Protocol,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 372 |     database: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 373 |     username: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 374 |     password: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.34s
[INFO] running `Command { std: "docker" "inspect" "98cb36bc44acb257468826c9f91aa2a68752d0322e9c8d2e17e049250db8f971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98cb36bc44acb257468826c9f91aa2a68752d0322e9c8d2e17e049250db8f971", kill_on_drop: false }`
[INFO] [stdout] 98cb36bc44acb257468826c9f91aa2a68752d0322e9c8d2e17e049250db8f971