[INFO] cloning repository https://github.com/mohammadreza-ashouri/Rust_Unit_Testing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mohammadreza-ashouri/Rust_Unit_Testing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohammadreza-ashouri%2FRust_Unit_Testing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohammadreza-ashouri%2FRust_Unit_Testing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e751791cd90e081414b757a83627e53db2aacf2c
[INFO] checking mohammadreza-ashouri/Rust_Unit_Testing against master#a5db378dc14a40dd1580c27fb8362156446382c3 for pr-136490
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohammadreza-ashouri%2FRust_Unit_Testing" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mohammadreza-ashouri/Rust_Unit_Testing on toolchain a5db378dc14a40dd1580c27fb8362156446382c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mohammadreza-ashouri/Rust_Unit_Testing
[INFO] finished tweaking git repo https://github.com/mohammadreza-ashouri/Rust_Unit_Testing
[INFO] tweaked toml for git repo https://github.com/mohammadreza-ashouri/Rust_Unit_Testing written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mohammadreza-ashouri/Rust_Unit_Testing 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" "+a5db378dc14a40dd1580c27fb8362156446382c3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f3a970095053c61def83d929e6b1a3f072b75cf7e7a62cb4cda02fe73e22b13
[INFO] running `Command { std: "docker" "start" "-a" "4f3a970095053c61def83d929e6b1a3f072b75cf7e7a62cb4cda02fe73e22b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f3a970095053c61def83d929e6b1a3f072b75cf7e7a62cb4cda02fe73e22b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f3a970095053c61def83d929e6b1a3f072b75cf7e7a62cb4cda02fe73e22b13", kill_on_drop: false }`
[INFO] [stdout] 4f3a970095053c61def83d929e6b1a3f072b75cf7e7a62cb4cda02fe73e22b13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f16c2a21d16663e2b8fba3077840dcfcfa483228cb7e353a2297374c423bff5
[INFO] running `Command { std: "docker" "start" "-a" "1f16c2a21d16663e2b8fba3077840dcfcfa483228cb7e353a2297374c423bff5", kill_on_drop: false }`
[INFO] [stderr]     Checking adder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `sqrt` is never used
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn sqrt(number: f64) -> Result<f64, String> {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "1f16c2a21d16663e2b8fba3077840dcfcfa483228cb7e353a2297374c423bff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f16c2a21d16663e2b8fba3077840dcfcfa483228cb7e353a2297374c423bff5", kill_on_drop: false }`
[INFO] [stdout] 1f16c2a21d16663e2b8fba3077840dcfcfa483228cb7e353a2297374c423bff5