[INFO] cloning repository https://github.com/TakaiKinoko/CPP_smart_pointers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TakaiKinoko/CPP_smart_pointers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTakaiKinoko%2FCPP_smart_pointers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTakaiKinoko%2FCPP_smart_pointers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1ea67305721e4980c376db10137eb6c02387354
[INFO] testing TakaiKinoko/CPP_smart_pointers against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTakaiKinoko%2FCPP_smart_pointers" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TakaiKinoko/CPP_smart_pointers on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TakaiKinoko/CPP_smart_pointers
[INFO] finished tweaking git repo https://github.com/TakaiKinoko/CPP_smart_pointers
[INFO] tweaked toml for git repo https://github.com/TakaiKinoko/CPP_smart_pointers written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/TakaiKinoko/CPP_smart_pointers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bab4d6f4fd07985df80bf2e9c772ee907a8deda75cfa4a97705c3ce7b8d9e74
[INFO] running `Command { std: "docker" "start" "-a" "5bab4d6f4fd07985df80bf2e9c772ee907a8deda75cfa4a97705c3ce7b8d9e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bab4d6f4fd07985df80bf2e9c772ee907a8deda75cfa4a97705c3ce7b8d9e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bab4d6f4fd07985df80bf2e9c772ee907a8deda75cfa4a97705c3ce7b8d9e74", kill_on_drop: false }`
[INFO] [stdout] 5bab4d6f4fd07985df80bf2e9c772ee907a8deda75cfa4a97705c3ce7b8d9e74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce8e08751d8c84bca2b9ec13a42b9aa04e83de7a7c343f0269839bff9ca835a8
[INFO] running `Command { std: "docker" "start" "-a" "ce8e08751d8c84bca2b9ec13a42b9aa04e83de7a7c343f0269839bff9ca835a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling pl-class13 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]  --> src/main.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn take(v: Vec<i32>) {
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0597]: `v` does not live long enough
[INFO] [stdout]   --> src/main.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |         w = &v;
[INFO] [stdout]    |             ^^ borrowed value does not live long enough
[INFO] [stdout] 11 |     }
[INFO] [stdout]    |     - `v` dropped here while still borrowed
[INFO] [stdout] ...
[INFO] [stdout] 14 |     println!("Hello, world: {}", w.len());
[INFO] [stdout]    |                                  ------- borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0597`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pl-class13` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "ce8e08751d8c84bca2b9ec13a42b9aa04e83de7a7c343f0269839bff9ca835a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce8e08751d8c84bca2b9ec13a42b9aa04e83de7a7c343f0269839bff9ca835a8", kill_on_drop: false }`
[INFO] [stdout] ce8e08751d8c84bca2b9ec13a42b9aa04e83de7a7c343f0269839bff9ca835a8