[INFO] cloning repository https://github.com/Prashant-ioh/RustCode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Prashant-ioh/RustCode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrashant-ioh%2FRustCode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrashant-ioh%2FRustCode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1960b6612eafe5c7fc476cd74a8b7250848ced0d
[INFO] testing Prashant-ioh/RustCode against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrashant-ioh%2FRustCode" "/workspace/builds/worker-32/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Prashant-ioh/RustCode on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Prashant-ioh/RustCode
[INFO] finished tweaking git repo https://github.com/Prashant-ioh/RustCode
[INFO] tweaked toml for git repo https://github.com/Prashant-ioh/RustCode written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate git repo https://github.com/Prashant-ioh/RustCode already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6852d22088e6d91a5dfdc8c8ee7512f28a20bd4301e5b24d665d9d8dedf6b17c
[INFO] running `Command { std: "docker" "start" "-a" "6852d22088e6d91a5dfdc8c8ee7512f28a20bd4301e5b24d665d9d8dedf6b17c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6852d22088e6d91a5dfdc8c8ee7512f28a20bd4301e5b24d665d9d8dedf6b17c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6852d22088e6d91a5dfdc8c8ee7512f28a20bd4301e5b24d665d9d8dedf6b17c", kill_on_drop: false }`
[INFO] [stdout] 6852d22088e6d91a5dfdc8c8ee7512f28a20bd4301e5b24d665d9d8dedf6b17c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ba09f48c75cefbda152ea8b9a4256b0fd4d7b8a06d77228f4f2d3704ab716af
[INFO] running `Command { std: "docker" "start" "-a" "3ba09f48c75cefbda152ea8b9a4256b0fd4d7b8a06d77228f4f2d3704ab716af", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling myfirstrustproject v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]    --> src/main.rs:371:5
[INFO] [stdout]     |
[INFO] [stdout] 371 |     x: &'a i32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `NamedBorrowed` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:369:10
[INFO] [stdout]     |
[INFO] [stdout] 369 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]    --> src/main.rs:372:5
[INFO] [stdout]     |
[INFO] [stdout] 372 |     y: &'a i32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `NamedBorrowed` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:369:10
[INFO] [stdout]     |
[INFO] [stdout] 369 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.54s
[INFO] running `Command { std: "docker" "inspect" "3ba09f48c75cefbda152ea8b9a4256b0fd4d7b8a06d77228f4f2d3704ab716af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ba09f48c75cefbda152ea8b9a4256b0fd4d7b8a06d77228f4f2d3704ab716af", kill_on_drop: false }`
[INFO] [stdout] 3ba09f48c75cefbda152ea8b9a4256b0fd4d7b8a06d77228f4f2d3704ab716af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b045f4d7fe720a50a61970154b399e52e763e6e92057b2a5c7fb95811f1288e
[INFO] running `Command { std: "docker" "start" "-a" "7b045f4d7fe720a50a61970154b399e52e763e6e92057b2a5c7fb95811f1288e", kill_on_drop: false }`
[INFO] [stderr]    Compiling myfirstrustproject v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]    --> src/main.rs:371:5
[INFO] [stdout]     |
[INFO] [stdout] 371 |     x: &'a i32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `NamedBorrowed` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:369:10
[INFO] [stdout]     |
[INFO] [stdout] 369 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]    --> src/main.rs:372:5
[INFO] [stdout]     |
[INFO] [stdout] 372 |     y: &'a i32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `NamedBorrowed` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:369:10
[INFO] [stdout]     |
[INFO] [stdout] 369 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/myfirstrustproject-06e8662d03bf3647)
[INFO] running `Command { std: "docker" "inspect" "7b045f4d7fe720a50a61970154b399e52e763e6e92057b2a5c7fb95811f1288e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b045f4d7fe720a50a61970154b399e52e763e6e92057b2a5c7fb95811f1288e", kill_on_drop: false }`
[INFO] [stdout] 7b045f4d7fe720a50a61970154b399e52e763e6e92057b2a5c7fb95811f1288e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 02aca53a58643b08adafa1dd438fc549df7231a16b9e040f3ec9839012f7dfe9
[INFO] running `Command { std: "docker" "start" "-a" "02aca53a58643b08adafa1dd438fc549df7231a16b9e040f3ec9839012f7dfe9", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]    --> src/main.rs:371:5
[INFO] [stderr]     |
[INFO] [stderr] 371 |     x: &'a i32,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `NamedBorrowed` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/main.rs:369:10
[INFO] [stderr]     |
[INFO] [stderr] 369 | #[derive(Debug)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]    --> src/main.rs:372:5
[INFO] [stderr]     |
[INFO] [stderr] 372 |     y: &'a i32,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `NamedBorrowed` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/main.rs:369:10
[INFO] [stderr]     |
[INFO] [stderr] 369 | #[derive(Debug)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `myfirstrustproject` (bin "myfirstrustproject" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/myfirstrustproject-06e8662d03bf3647)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "02aca53a58643b08adafa1dd438fc549df7231a16b9e040f3ec9839012f7dfe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02aca53a58643b08adafa1dd438fc549df7231a16b9e040f3ec9839012f7dfe9", kill_on_drop: false }`
[INFO] [stdout] 02aca53a58643b08adafa1dd438fc549df7231a16b9e040f3ec9839012f7dfe9