[INFO] cloning repository https://github.com/themeliolabs/melminter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/themeliolabs/melminter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemeliolabs%2Fmelminter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemeliolabs%2Fmelminter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf22e098335719698b3c5ca123c4fd0a99d68738
[INFO] checking themeliolabs/melminter against try#ac4c3613be2acd5395b65d85e5657b81e3c982f0 for pr-154585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemeliolabs%2Fmelminter" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/themeliolabs/melminter
[INFO] finished tweaking git repo https://github.com/themeliolabs/melminter
[INFO] tweaked toml for git repo https://github.com/themeliolabs/melminter written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/themeliolabs/melminter on toolchain ac4c3613be2acd5395b65d85e5657b81e3c982f0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/themeliolabs/melminter 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" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 360da6574e7ce97cca33094cdf6f163398b54b6fc1e2c35bd79cc4cd1943eda1
[INFO] running `Command { std: "docker" "start" "-a" "360da6574e7ce97cca33094cdf6f163398b54b6fc1e2c35bd79cc4cd1943eda1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "360da6574e7ce97cca33094cdf6f163398b54b6fc1e2c35bd79cc4cd1943eda1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "360da6574e7ce97cca33094cdf6f163398b54b6fc1e2c35bd79cc4cd1943eda1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ce76ecefe7a6c9eee662f930f97b5f611902a3396318cf90f232ecccd8c92bd
[INFO] running `Command { std: "docker" "start" "-a" "5ce76ecefe7a6c9eee662f930f97b5f611902a3396318cf90f232ecccd8c92bd", kill_on_drop: false }`
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[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/worker.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct WorkerConfig {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WorkerConfig` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `send_stop` is never read
[INFO] [stdout]   --> src/worker.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Worker {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 33 |     send_stop: Sender<()>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `wait` is never used
[INFO] [stdout]   --> src/worker.rs:48:18
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Worker {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub async fn wait(self) -> anyhow::Result<()> {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/worker.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct WorkerConfig {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WorkerConfig` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `send_stop` is never read
[INFO] [stdout]   --> src/worker.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Worker {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 33 |     send_stop: Sender<()>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `wait` is never used
[INFO] [stdout]   --> src/worker.rs:48:18
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Worker {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub async fn wait(self) -> anyhow::Result<()> {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "5ce76ecefe7a6c9eee662f930f97b5f611902a3396318cf90f232ecccd8c92bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ce76ecefe7a6c9eee662f930f97b5f611902a3396318cf90f232ecccd8c92bd", kill_on_drop: false }`
[INFO] [stdout] 5ce76ecefe7a6c9eee662f930f97b5f611902a3396318cf90f232ecccd8c92bd
