[INFO] fetching crate mehak 0.1.0...
[INFO] testing mehak-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mehak 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate mehak 0.1.0
[INFO] finished tweaking crates.io crate mehak 0.1.0
[INFO] tweaked toml for crates.io crate mehak 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mehak 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7887e6675b602dd1494d65c0de33a25491005b05d3f8ebe777b5af1e65331bd0
[INFO] running `Command { std: "docker" "start" "-a" "7887e6675b602dd1494d65c0de33a25491005b05d3f8ebe777b5af1e65331bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7887e6675b602dd1494d65c0de33a25491005b05d3f8ebe777b5af1e65331bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7887e6675b602dd1494d65c0de33a25491005b05d3f8ebe777b5af1e65331bd0", kill_on_drop: false }`
[INFO] [stdout] 7887e6675b602dd1494d65c0de33a25491005b05d3f8ebe777b5af1e65331bd0
[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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eebb539c97e34de9917c9d1967a93cfa58f954436945c6c70c198182f9c135be
[INFO] running `Command { std: "docker" "start" "-a" "eebb539c97e34de9917c9d1967a93cfa58f954436945c6c70c198182f9c135be", kill_on_drop: false }`
[INFO] [stderr]    Compiling mehak v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/lib.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 |  { let y= x.sqrt();
[INFO] [stdout]   |        ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "eebb539c97e34de9917c9d1967a93cfa58f954436945c6c70c198182f9c135be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eebb539c97e34de9917c9d1967a93cfa58f954436945c6c70c198182f9c135be", kill_on_drop: false }`
[INFO] [stdout] eebb539c97e34de9917c9d1967a93cfa58f954436945c6c70c198182f9c135be
[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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e112a608d3de0a0dc06e814f223045c1b2935dc653a099f4f647eb6dd737ea25
[INFO] running `Command { std: "docker" "start" "-a" "e112a608d3de0a0dc06e814f223045c1b2935dc653a099f4f647eb6dd737ea25", kill_on_drop: false }`
[INFO] [stderr]    Compiling mehak v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/lib.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 |  { let y= x.sqrt();
[INFO] [stdout]   |        ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/lib.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 |  { let y= x.sqrt();
[INFO] [stdout]   |        ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "e112a608d3de0a0dc06e814f223045c1b2935dc653a099f4f647eb6dd737ea25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e112a608d3de0a0dc06e814f223045c1b2935dc653a099f4f647eb6dd737ea25", kill_on_drop: false }`
[INFO] [stdout] e112a608d3de0a0dc06e814f223045c1b2935dc653a099f4f647eb6dd737ea25
[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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c242d8acf077f42d3539a46153b706a6fa2ca46ea49e3c8699df39313638602
[INFO] running `Command { std: "docker" "start" "-a" "8c242d8acf077f42d3539a46153b706a6fa2ca46ea49e3c8699df39313638602", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]  --> src/lib.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 |  { let y= x.sqrt();
[INFO] [stderr]   |        ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mehak` (lib) generated 1 warning
[INFO] [stderr] warning: `mehak` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mehak-aaddd321dd410721)
[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] [stderr]    Doc-tests mehak
[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" "8c242d8acf077f42d3539a46153b706a6fa2ca46ea49e3c8699df39313638602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c242d8acf077f42d3539a46153b706a6fa2ca46ea49e3c8699df39313638602", kill_on_drop: false }`
[INFO] [stdout] 8c242d8acf077f42d3539a46153b706a6fa2ca46ea49e3c8699df39313638602