[INFO] cloning repository https://github.com/bembeledev/mysqlDB
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bembeledev/mysqlDB" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbembeledev%2FmysqlDB", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbembeledev%2FmysqlDB'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9c9748d3e4c9acc3184c8a047b53924e36643a5
[INFO] checking bembeledev/mysqlDB against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbembeledev%2FmysqlDB" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bembeledev/mysqlDB
[INFO] finished tweaking git repo https://github.com/bembeledev/mysqlDB
[INFO] tweaked toml for git repo https://github.com/bembeledev/mysqlDB written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bembeledev/mysqlDB on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bembeledev/mysqlDB 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 715dee67dd3c52f9bb398a547bff8f43b204856be91fd84036884c426981f08e
[INFO] running `Command { std: "docker" "start" "-a" "715dee67dd3c52f9bb398a547bff8f43b204856be91fd84036884c426981f08e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "715dee67dd3c52f9bb398a547bff8f43b204856be91fd84036884c426981f08e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "715dee67dd3c52f9bb398a547bff8f43b204856be91fd84036884c426981f08e", kill_on_drop: false }`
[INFO] [stdout] 715dee67dd3c52f9bb398a547bff8f43b204856be91fd84036884c426981f08e
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7602a187c0bd95ad3d632cac7fbf7f7d16f4bc44b21b23abe837b424ac03c137
[INFO] running `Command { std: "docker" "start" "-a" "7602a187c0bd95ad3d632cac7fbf7f7d16f4bc44b21b23abe837b424ac03c137", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.45
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[INFO] [stdout] warning: unused variable: `parent_obj`
[INFO] [stdout]   --> src/interpreter.rs:88:73
[INFO] [stdout]    |
[INFO] [stdout] 88 |                      } else if let Expression::PropertyAccess { object: parent_obj, property: parent_prop } = &object.expr {
[INFO] [stdout]    |                                                                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent_obj`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_type`
[INFO] [stdout]    --> src/interpreter.rs:480:78
[INFO] [stdout]     |
[INFO] [stdout] 480 |                         if let Some(SuperValue::Function { parameters, body, return_type }) = obj_map.get("constructor").cloned() {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^ help: try ignoring the field: `return_type: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parent_obj`
[INFO] [stdout]   --> src/interpreter.rs:88:73
[INFO] [stdout]    |
[INFO] [stdout] 88 |                      } else if let Expression::PropertyAccess { object: parent_obj, property: parent_prop } = &object.expr {
[INFO] [stdout]    |                                                                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent_obj`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_type`
[INFO] [stdout]    --> src/interpreter.rs:480:78
[INFO] [stdout]     |
[INFO] [stdout] 480 |                         if let Some(SuperValue::Function { parameters, body, return_type }) = obj_map.get("constructor").cloned() {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^ help: try ignoring the field: `return_type: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "7602a187c0bd95ad3d632cac7fbf7f7d16f4bc44b21b23abe837b424ac03c137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7602a187c0bd95ad3d632cac7fbf7f7d16f4bc44b21b23abe837b424ac03c137", kill_on_drop: false }`
[INFO] [stdout] 7602a187c0bd95ad3d632cac7fbf7f7d16f4bc44b21b23abe837b424ac03c137
