[INFO] fetching crate msaver 0.2.0...
[INFO] checking msaver-0.2.0 against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] extracting crate msaver 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate msaver 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate msaver 0.2.0
[INFO] tweaked toml for crates.io crate msaver 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate msaver 0.2.0 on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate msaver 0.2.0 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded opentelemetry-http v0.28.0
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[INFO] [stderr]   Downloaded trust-dns-resolver v0.21.2
[INFO] [stderr]   Downloaded opentelemetry v0.28.0
[INFO] [stderr]   Downloaded bson v2.13.0
[INFO] [stderr]   Downloaded rusqlite v0.33.0
[INFO] [stderr]   Downloaded opentelemetry-proto v0.28.0
[INFO] [stderr]   Downloaded enum-as-inner v0.4.0
[INFO] [stderr]   Downloaded opentelemetry_sdk v0.28.0
[INFO] [stderr]   Downloaded opentelemetry-appender-tracing v0.28.1
[INFO] [stderr]   Downloaded opentelemetry-otlp v0.28.0
[INFO] [stderr]   Downloaded trust-dns-proto v0.21.2
[INFO] [stderr]   Downloaded mongodb v2.8.2
[INFO] [stderr]   Downloaded libsqlite3-sys v0.31.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54a396a649c28b9cd1a2d21db4ce8b45715b75c3edb3c31b6578e77d68f44daf
[INFO] running `Command { std: "docker" "start" "-a" "54a396a649c28b9cd1a2d21db4ce8b45715b75c3edb3c31b6578e77d68f44daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54a396a649c28b9cd1a2d21db4ce8b45715b75c3edb3c31b6578e77d68f44daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54a396a649c28b9cd1a2d21db4ce8b45715b75c3edb3c31b6578e77d68f44daf", kill_on_drop: false }`
[INFO] [stdout] 54a396a649c28b9cd1a2d21db4ce8b45715b75c3edb3c31b6578e77d68f44daf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a19a908059d042c8d3324030ce89f569188c594577f7ee08a56cb0663ce3de34
[INFO] running `Command { std: "docker" "start" "-a" "a19a908059d042c8d3324030ce89f569188c594577f7ee08a56cb0663ce3de34", kill_on_drop: false }`
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[INFO] [stderr]     Checking msaver v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `qrt_log_utils::opentelemetry::KeyValue`
[INFO] [stdout]  --> src/mongodb_queued_saver.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use qrt_log_utils::opentelemetry::KeyValue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `qrt_log_utils::opentelemetry::KeyValue`
[INFO] [stdout]  --> src/mongodb_queued_saver.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use qrt_log_utils::opentelemetry::KeyValue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/mongodb_saver.rs:216:21
[INFO] [stdout]     |
[INFO] [stdout] 199 |                     Error { kind, .. } => {
[INFO] [stdout]     |                     ------------------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 216 |                     _ => {
[INFO] [stdout]     |                     ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/mongodb_saver.rs:216:21
[INFO] [stdout]     |
[INFO] [stdout] 199 |                     Error { kind, .. } => {
[INFO] [stdout]     |                     ------------------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 216 |                     _ => {
[INFO] [stdout]     |                     ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestData` is never constructed
[INFO] [stdout]    --> src/mongodb_queued_saver.rs:197:12
[INFO] [stdout]     |
[INFO] [stdout] 197 |     struct TestData {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/test_saver.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         handler.await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let _ = handler.await;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `Command { std: "docker" "inspect" "a19a908059d042c8d3324030ce89f569188c594577f7ee08a56cb0663ce3de34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a19a908059d042c8d3324030ce89f569188c594577f7ee08a56cb0663ce3de34", kill_on_drop: false }`
[INFO] [stdout] a19a908059d042c8d3324030ce89f569188c594577f7ee08a56cb0663ce3de34