[INFO] cloning repository https://github.com/99/rust-service
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/99/rust-service" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F99%2Frust-service", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F99%2Frust-service'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5ac5ffb6fbfb1485071b0cdca1d6e9fa5683227
[INFO] checking 99/rust-service/f5ac5ffb6fbfb1485071b0cdca1d6e9fa5683227 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F99%2Frust-service" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/99/rust-service on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/99/rust-service
[INFO] finished tweaking git repo https://github.com/99/rust-service
[INFO] tweaked toml for git repo https://github.com/99/rust-service written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/99/rust-service 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ae65a3f3387c6b6e3ec177f4b454a52ce51d5b61c673d5d577660953fd43978
[INFO] running `Command { std: "docker" "start" "-a" "7ae65a3f3387c6b6e3ec177f4b454a52ce51d5b61c673d5d577660953fd43978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ae65a3f3387c6b6e3ec177f4b454a52ce51d5b61c673d5d577660953fd43978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ae65a3f3387c6b6e3ec177f4b454a52ce51d5b61c673d5d577660953fd43978", kill_on_drop: false }`
[INFO] [stdout] 7ae65a3f3387c6b6e3ec177f4b454a52ce51d5b61c673d5d577660953fd43978
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a93844c6479b100a442d61b8f80cbdfba77c789df1374165f6a418919847439d
[INFO] running `Command { std: "docker" "start" "-a" "a93844c6479b100a442d61b8f80cbdfba77c789df1374165f6a418919847439d", kill_on_drop: false }`
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[INFO] [stdout] warning: field `aws_region` is never read
[INFO] [stdout]  --> src/config.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct AppConfig {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 6 |     pub aws_s3_bucket: String,
[INFO] [stdout] 7 |     pub aws_region: String,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `AppConfig` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `aws_region` is never read
[INFO] [stdout]  --> src/config.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct AppConfig {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 6 |     pub aws_s3_bucket: String,
[INFO] [stdout] 7 |     pub aws_region: String,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `AppConfig` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.40s
[INFO] running `Command { std: "docker" "inspect" "a93844c6479b100a442d61b8f80cbdfba77c789df1374165f6a418919847439d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a93844c6479b100a442d61b8f80cbdfba77c789df1374165f6a418919847439d", kill_on_drop: false }`
[INFO] [stdout] a93844c6479b100a442d61b8f80cbdfba77c789df1374165f6a418919847439d