[INFO] cloning repository https://github.com/shinemost/kv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shinemost/kv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshinemost%2Fkv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshinemost%2Fkv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b05d9964c027804ace8e7200fbab85c526e7bee5
[INFO] checking shinemost/kv against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshinemost%2Fkv" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shinemost/kv
[INFO] finished tweaking git repo https://github.com/shinemost/kv
[INFO] tweaked toml for git repo https://github.com/shinemost/kv written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shinemost/kv 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 git repo https://github.com/shinemost/kv 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-otlp v0.12.0
[INFO] [stderr]   Downloaded yamux v0.9.0
[INFO] [stderr]   Downloaded tokio-io-timeout v1.2.1
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[INFO] [stderr]   Downloaded certify v0.6.0
[INFO] [stderr]   Downloaded opentelemetry_api v0.19.0
[INFO] [stderr]   Downloaded opentelemetry-semantic-conventions v0.11.0
[INFO] [stderr]   Downloaded rcgen v0.13.2
[INFO] [stderr]   Downloaded opentelemetry-proto v0.2.0
[INFO] [stderr]   Downloaded opentelemetry_sdk v0.19.0
[INFO] [stderr]   Downloaded tracing-opentelemetry v0.19.0
[INFO] [stderr]   Downloaded opentelemetry v0.19.0
[INFO] [stderr]   Downloaded snow v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b1c38935183e759ba5aa2c41f61c7e0f848d3a9d210520f44967149e2ebc674b
[INFO] running `Command { std: "docker" "start" "-a" "b1c38935183e759ba5aa2c41f61c7e0f848d3a9d210520f44967149e2ebc674b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1c38935183e759ba5aa2c41f61c7e0f848d3a9d210520f44967149e2ebc674b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1c38935183e759ba5aa2c41f61c7e0f848d3a9d210520f44967149e2ebc674b", kill_on_drop: false }`
[INFO] [stdout] b1c38935183e759ba5aa2c41f61c7e0f848d3a9d210520f44967149e2ebc674b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 19e5e57b25c9c6c6e702ac36ccda71e1bac153680b19e1c366d4248a57883dfc
[INFO] running `Command { std: "docker" "start" "-a" "19e5e57b25c9c6c6e702ac36ccda71e1bac153680b19e1c366d4248a57883dfc", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `tracing_subscriber::fmt::time::LocalTime`
[INFO] [stdout]   --> src/server.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tracing_subscriber::fmt::time::LocalTime;
[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: `tracing_subscriber::fmt::time::LocalTime`
[INFO] [stdout]   --> src/server.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tracing_subscriber::fmt::time::LocalTime;
[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 implementer of `Future` that must be used
[INFO] [stdout]   --> examples/tracing.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     tracing::info_span!("do_work").in_scope(async || {
[INFO] [stdout] 40 | |         tracing::info!("Doing some work");
[INFO] [stdout] 41 | |         tokio::time::sleep(std::time::Duration::from_millis(100)).await;
[INFO] [stdout] 42 | |         tracing::info!("Work completed");
[INFO] [stdout] 43 | |     });
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless you `.await` or poll them
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "19e5e57b25c9c6c6e702ac36ccda71e1bac153680b19e1c366d4248a57883dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19e5e57b25c9c6c6e702ac36ccda71e1bac153680b19e1c366d4248a57883dfc", kill_on_drop: false }`
[INFO] [stdout] 19e5e57b25c9c6c6e702ac36ccda71e1bac153680b19e1c366d4248a57883dfc