[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 try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTakaiKinoko%2FCPP_smart_pointers" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TakaiKinoko/CPP_smart_pointers on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-0/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9bf0ee35f68dabde5265b23f90c8059614f9f59cbb0498d6bc424ee49e97aade
[INFO] running `Command { std: "docker" "start" "-a" "9bf0ee35f68dabde5265b23f90c8059614f9f59cbb0498d6bc424ee49e97aade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bf0ee35f68dabde5265b23f90c8059614f9f59cbb0498d6bc424ee49e97aade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bf0ee35f68dabde5265b23f90c8059614f9f59cbb0498d6bc424ee49e97aade", kill_on_drop: false }`
[INFO] [stdout] 9bf0ee35f68dabde5265b23f90c8059614f9f59cbb0498d6bc424ee49e97aade
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e392fa291e71aaa97acfba91f244d125889084b95640cf1daa00d4bcd5e87913
[INFO] running `Command { std: "docker" "start" "-a" "e392fa291e71aaa97acfba91f244d125889084b95640cf1daa00d4bcd5e87913", 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" "e392fa291e71aaa97acfba91f244d125889084b95640cf1daa00d4bcd5e87913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e392fa291e71aaa97acfba91f244d125889084b95640cf1daa00d4bcd5e87913", kill_on_drop: false }`
[INFO] [stdout] e392fa291e71aaa97acfba91f244d125889084b95640cf1daa00d4bcd5e87913