[INFO] cloning repository https://github.com/prajwal-deepsource/demo-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prajwal-deepsource/demo-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprajwal-deepsource%2Fdemo-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprajwal-deepsource%2Fdemo-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 767b6951408e220e97856e8531e35fcd47b5f435
[INFO] testing prajwal-deepsource/demo-rust against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprajwal-deepsource%2Fdemo-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/prajwal-deepsource/demo-rust
[INFO] finished tweaking git repo https://github.com/prajwal-deepsource/demo-rust
[INFO] tweaked toml for git repo https://github.com/prajwal-deepsource/demo-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/prajwal-deepsource/demo-rust on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/prajwal-deepsource/demo-rust 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e716a639c9c59ba698b1b15368ab8156d0b171cdc52b17ea5b4bd9dc7b34bb2
[INFO] running `Command { std: "docker" "start" "-a" "3e716a639c9c59ba698b1b15368ab8156d0b171cdc52b17ea5b4bd9dc7b34bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e716a639c9c59ba698b1b15368ab8156d0b171cdc52b17ea5b4bd9dc7b34bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e716a639c9c59ba698b1b15368ab8156d0b171cdc52b17ea5b4bd9dc7b34bb2", kill_on_drop: false }`
[INFO] [stdout] 3e716a639c9c59ba698b1b15368ab8156d0b171cdc52b17ea5b4bd9dc7b34bb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 16d6dbd067a3303362adf84d8cf247b61ff24d0bf7788d2bbcc0db0c38c0e468
[INFO] running `Command { std: "docker" "start" "-a" "16d6dbd067a3303362adf84d8cf247b61ff24d0bf7788d2bbcc0db0c38c0e468", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling demo-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `v2`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let v2: Vec<i32> = v.into_iter().filter(|&e| e != 2).collect();
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.52s
[INFO] running `Command { std: "docker" "inspect" "16d6dbd067a3303362adf84d8cf247b61ff24d0bf7788d2bbcc0db0c38c0e468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16d6dbd067a3303362adf84d8cf247b61ff24d0bf7788d2bbcc0db0c38c0e468", kill_on_drop: false }`
[INFO] [stdout] 16d6dbd067a3303362adf84d8cf247b61ff24d0bf7788d2bbcc0db0c38c0e468
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 28c48cb8a4e0f9391ee67a8c4f0e4319f7b382a27941705c75c7cce2995dd163
[INFO] running `Command { std: "docker" "start" "-a" "28c48cb8a4e0f9391ee67a8c4f0e4319f7b382a27941705c75c7cce2995dd163", kill_on_drop: false }`
[INFO] [stderr]    Compiling demo-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `v2`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let v2: Vec<i32> = v.into_iter().filter(|&e| e != 2).collect();
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "28c48cb8a4e0f9391ee67a8c4f0e4319f7b382a27941705c75c7cce2995dd163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28c48cb8a4e0f9391ee67a8c4f0e4319f7b382a27941705c75c7cce2995dd163", kill_on_drop: false }`
[INFO] [stdout] 28c48cb8a4e0f9391ee67a8c4f0e4319f7b382a27941705c75c7cce2995dd163
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] c88c18d0fea50ee8eaa644e8d36761c7f61a01cff545bbe91bf5935cca727b83
[INFO] running `Command { std: "docker" "start" "-a" "c88c18d0fea50ee8eaa644e8d36761c7f61a01cff545bbe91bf5935cca727b83", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `v2`
[INFO] [stderr]  --> src/main.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let v2: Vec<i32> = v.into_iter().filter(|&e| e != 2).collect();
[INFO] [stderr]   |         ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `demo-rust` (bin "demo-rust" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/demo_rust-b84e80989210c660)
[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" "c88c18d0fea50ee8eaa644e8d36761c7f61a01cff545bbe91bf5935cca727b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c88c18d0fea50ee8eaa644e8d36761c7f61a01cff545bbe91bf5935cca727b83", kill_on_drop: false }`
[INFO] [stdout] c88c18d0fea50ee8eaa644e8d36761c7f61a01cff545bbe91bf5935cca727b83