[INFO] cloning repository https://github.com/Christiantyemele/HackFest237-2025
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Christiantyemele/HackFest237-2025" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristiantyemele%2FHackFest237-2025", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristiantyemele%2FHackFest237-2025'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98424625ae4b6b19c6643d09293693d241b7711e
[INFO] checking Christiantyemele/HackFest237-2025 against master#a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristiantyemele%2FHackFest237-2025" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Christiantyemele/HackFest237-2025
[INFO] finished tweaking git repo https://github.com/Christiantyemele/HackFest237-2025
[INFO] tweaked toml for git repo https://github.com/Christiantyemele/HackFest237-2025 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Christiantyemele/HackFest237-2025 on toolchain a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Christiantyemele/HackFest237-2025 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" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84fd9a86240d1d9a4ec1e33c1ec625f55bb088e4d674e8b7cbb2ec4235d21f63
[INFO] running `Command { std: "docker" "start" "-a" "84fd9a86240d1d9a4ec1e33c1ec625f55bb088e4d674e8b7cbb2ec4235d21f63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84fd9a86240d1d9a4ec1e33c1ec625f55bb088e4d674e8b7cbb2ec4235d21f63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84fd9a86240d1d9a4ec1e33c1ec625f55bb088e4d674e8b7cbb2ec4235d21f63", kill_on_drop: false }`
[INFO] [stdout] 84fd9a86240d1d9a4ec1e33c1ec625f55bb088e4d674e8b7cbb2ec4235d21f63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0427f0e1d3189bbfd545ca036ea523612ac3878410e77a797676514defab3f3a
[INFO] running `Command { std: "docker" "start" "-a" "0427f0e1d3189bbfd545ca036ea523612ac3878410e77a797676514defab3f3a", kill_on_drop: false }`
[INFO] [stderr]     Checking HackFest237-2025 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0382]: use of moved value: `data`
[INFO] [stdout]  --> src/bin/use_after_free.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let data = vec![1, 2, 3, 4, 5];
[INFO] [stdout]   |         ---- move occurs because `data` has type `Vec<i32>`, which does not implement the `Copy` trait
[INFO] [stdout] 3 |     drop(data);
[INFO] [stdout]   |          ---- value moved here
[INFO] [stdout] 4 |     data
[INFO] [stdout]   |     ^^^^ value used here after move
[INFO] [stdout]   |
[INFO] [stdout] help: consider cloning the value if the performance cost is acceptable
[INFO] [stdout]   |
[INFO] [stdout] 3 |     drop(data.clone());
[INFO] [stdout]   |              ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `HackFest237-2025` (bin "use_after_free") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0382]: use of moved value: `ptr`
[INFO] [stdout]  --> src/bin/double_free.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let ptr = Box::new(42);
[INFO] [stdout]   |         --- move occurs because `ptr` has type `Box<i32>`, which does not implement the `Copy` trait
[INFO] [stdout] 3 |     drop(ptr); // First free
[INFO] [stdout]   |          --- value moved here
[INFO] [stdout] 4 |     drop(ptr); // COMPILE ERROR: use of moved value
[INFO] [stdout]   |          ^^^ value used here after move
[INFO] [stdout]   |
[INFO] [stdout] help: consider cloning the value if the performance cost is acceptable
[INFO] [stdout]   |
[INFO] [stdout] 3 |     drop(ptr.clone()); // First free
[INFO] [stdout]   |             ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `HackFest237-2025` (bin "double_free") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `ptr`
[INFO] [stdout]  --> src/bin/double_free.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let ptr = Box::new(42);
[INFO] [stdout]   |         --- move occurs because `ptr` has type `Box<i32>`, which does not implement the `Copy` trait
[INFO] [stdout] 3 |     drop(ptr); // First free
[INFO] [stdout]   |          --- value moved here
[INFO] [stdout] 4 |     drop(ptr); // COMPILE ERROR: use of moved value
[INFO] [stdout]   |          ^^^ value used here after move
[INFO] [stdout]   |
[INFO] [stdout] help: consider cloning the value if the performance cost is acceptable
[INFO] [stdout]   |
[INFO] [stdout] 3 |     drop(ptr.clone()); // First free
[INFO] [stdout]   |             ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `data`
[INFO] [stdout]  --> src/bin/use_after_free.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let data = vec![1, 2, 3, 4, 5];
[INFO] [stdout]   |         ---- move occurs because `data` has type `Vec<i32>`, which does not implement the `Copy` trait
[INFO] [stdout] 3 |     drop(data);
[INFO] [stdout]   |          ---- value moved here
[INFO] [stdout] 4 |     data
[INFO] [stdout]   |     ^^^^ value used here after move
[INFO] [stdout]   |
[INFO] [stdout] help: consider cloning the value if the performance cost is acceptable
[INFO] [stdout]   |
[INFO] [stdout] 3 |     drop(data.clone());
[INFO] [stdout]   |              ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `HackFest237-2025` (bin "double_free" test) due to 1 previous error
[INFO] [stderr] error: could not compile `HackFest237-2025` (bin "use_after_free" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "0427f0e1d3189bbfd545ca036ea523612ac3878410e77a797676514defab3f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0427f0e1d3189bbfd545ca036ea523612ac3878410e77a797676514defab3f3a", kill_on_drop: false }`
[INFO] [stdout] 0427f0e1d3189bbfd545ca036ea523612ac3878410e77a797676514defab3f3a
