[INFO] fetching crate mehak 0.1.0...
[INFO] testing mehak-0.1.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate mehak 0.1.0 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate mehak 0.1.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-36/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5dda5e0231a391bf452b1a9f18922d5e3d7d84280db57a0c9c9b133a2cf252bb
[INFO] running `Command { std: "docker" "start" "-a" "5dda5e0231a391bf452b1a9f18922d5e3d7d84280db57a0c9c9b133a2cf252bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dda5e0231a391bf452b1a9f18922d5e3d7d84280db57a0c9c9b133a2cf252bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dda5e0231a391bf452b1a9f18922d5e3d7d84280db57a0c9c9b133a2cf252bb", kill_on_drop: false }`
[INFO] [stdout] 5dda5e0231a391bf452b1a9f18922d5e3d7d84280db57a0c9c9b133a2cf252bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 539d0f0fdbcc08255ef647ac2950c159d8ea9ff3e6de06128fc9700f681d5c85
[INFO] running `Command { std: "docker" "start" "-a" "539d0f0fdbcc08255ef647ac2950c159d8ea9ff3e6de06128fc9700f681d5c85", 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "539d0f0fdbcc08255ef647ac2950c159d8ea9ff3e6de06128fc9700f681d5c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "539d0f0fdbcc08255ef647ac2950c159d8ea9ff3e6de06128fc9700f681d5c85", kill_on_drop: false }`
[INFO] [stdout] 539d0f0fdbcc08255ef647ac2950c159d8ea9ff3e6de06128fc9700f681d5c85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 663fb0df63527da285a01159a301ecf0deb4174098e924566c0537007800adbb
[INFO] running `Command { std: "docker" "start" "-a" "663fb0df63527da285a01159a301ecf0deb4174098e924566c0537007800adbb", kill_on_drop: false }`
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mehak v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "663fb0df63527da285a01159a301ecf0deb4174098e924566c0537007800adbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "663fb0df63527da285a01159a301ecf0deb4174098e924566c0537007800adbb", kill_on_drop: false }`
[INFO] [stdout] 663fb0df63527da285a01159a301ecf0deb4174098e924566c0537007800adbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f716674164234abaa703507fc790aebaab989c390b64c63b9a73f713f4eca780
[INFO] running `Command { std: "docker" "start" "-a" "f716674164234abaa703507fc790aebaab989c390b64c63b9a73f713f4eca780", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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)]` 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 [unoptimized + debuginfo] target(s) in 0.59s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mehak-143ee53f5dd880cd)
[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" "f716674164234abaa703507fc790aebaab989c390b64c63b9a73f713f4eca780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f716674164234abaa703507fc790aebaab989c390b64c63b9a73f713f4eca780", kill_on_drop: false }`
[INFO] [stdout] f716674164234abaa703507fc790aebaab989c390b64c63b9a73f713f4eca780
