[INFO] cloning repository https://github.com/jsrmalvarez/rust_intro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jsrmalvarez/rust_intro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsrmalvarez%2Frust_intro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsrmalvarez%2Frust_intro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f58b8a559d6e96e4c20d614eb308c23c0f8cac1c
[INFO] testing jsrmalvarez/rust_intro against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsrmalvarez%2Frust_intro" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jsrmalvarez/rust_intro
[INFO] finished tweaking git repo https://github.com/jsrmalvarez/rust_intro
[INFO] tweaked toml for git repo https://github.com/jsrmalvarez/rust_intro written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jsrmalvarez/rust_intro on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jsrmalvarez/rust_intro 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01feb002b83b119056038a59488592ead94e8acc76b146840317d057ddd408c6
[INFO] running `Command { std: "docker" "start" "-a" "01feb002b83b119056038a59488592ead94e8acc76b146840317d057ddd408c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01feb002b83b119056038a59488592ead94e8acc76b146840317d057ddd408c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01feb002b83b119056038a59488592ead94e8acc76b146840317d057ddd408c6", kill_on_drop: false }`
[INFO] [stdout] 01feb002b83b119056038a59488592ead94e8acc76b146840317d057ddd408c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f8ae544151db08c69e15ac45635d9f72b788cc28142b56a1cfe665d72022909
[INFO] running `Command { std: "docker" "start" "-a" "1f8ae544151db08c69e15ac45635d9f72b788cc28142b56a1cfe665d72022909", kill_on_drop: false }`
[INFO] [stderr]    Compiling showcase v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]  --> src/main.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 |     name: &String, // Struct with a must specify lifetimes
[INFO] [stdout]   |           ^ expected named lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]   |
[INFO] [stdout] 4 ~ struct User<'a> {
[INFO] [stdout] 5 ~     name: &'a String, // Struct with a must specify lifetimes
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0133]: call to unsafe function `std::ptr::const_ptr::<impl *const T>::add` is unsafe and requires unsafe function or block
[INFO] [stdout]   --> src/main.rs:46:23
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let raw_ptr = (&user_data[0] as *const u32).add(n);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0133]: dereference of raw pointer is unsafe and requires unsafe function or block
[INFO] [stdout]   --> src/main.rs:47:26
[INFO] [stdout]    |
[INFO] [stdout] 47 |         println!("{:?}", *raw_ptr);
[INFO] [stdout]    |                          ^^^^^^^^ dereference of raw pointer
[INFO] [stdout]    |
[INFO] [stdout]    = note: raw pointers may be null, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0106, E0133.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `showcase` (bin "showcase") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "1f8ae544151db08c69e15ac45635d9f72b788cc28142b56a1cfe665d72022909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f8ae544151db08c69e15ac45635d9f72b788cc28142b56a1cfe665d72022909", kill_on_drop: false }`
[INFO] [stdout] 1f8ae544151db08c69e15ac45635d9f72b788cc28142b56a1cfe665d72022909
