[INFO] cloning repository https://github.com/mgfebrian/belajar_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mgfebrian/belajar_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgfebrian%2Fbelajar_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgfebrian%2Fbelajar_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ebbb8bf599b745d2e8d182861e1a5b5571f37cba
[INFO] testing mgfebrian/belajar_rust 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%2Fmgfebrian%2Fbelajar_rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mgfebrian/belajar_rust
[INFO] finished tweaking git repo https://github.com/mgfebrian/belajar_rust
[INFO] tweaked toml for git repo https://github.com/mgfebrian/belajar_rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mgfebrian/belajar_rust 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/mgfebrian/belajar_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" "+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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 39d2ecf74795661874587a4a1754d13f7e2abca7ade79e1377254f69e76870cb
[INFO] running `Command { std: "docker" "start" "-a" "39d2ecf74795661874587a4a1754d13f7e2abca7ade79e1377254f69e76870cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39d2ecf74795661874587a4a1754d13f7e2abca7ade79e1377254f69e76870cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39d2ecf74795661874587a4a1754d13f7e2abca7ade79e1377254f69e76870cb", kill_on_drop: false }`
[INFO] [stdout] 39d2ecf74795661874587a4a1754d13f7e2abca7ade79e1377254f69e76870cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 66f07357f351786fdf32163fae510039ca1a2c342ef22699e09e78e27b2ca30a
[INFO] running `Command { std: "docker" "start" "-a" "66f07357f351786fdf32163fae510039ca1a2c342ef22699e09e78e27b2ca30a", kill_on_drop: false }`
[INFO] [stderr]    Compiling belajar_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `,`, found `.`
[INFO] [stdout]   --> src/main.rs:10:31
[INFO] [stdout]    |
[INFO] [stdout] 10 |     println!("You guessed: {}". guess);
[INFO] [stdout]    |                               ^ expected `,`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `io` in this scope
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     io::stdin()
[INFO] [stdout]   |     ^^ use of unresolved module or unlinked crate `io`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `io`, use `cargo add io` to add it to your `Cargo.toml`
[INFO] [stdout] help: a builtin type with a similar name exists
[INFO] [stdout]   |
[INFO] [stdout] 6 -     io::stdin()
[INFO] [stdout] 6 +     i8::stdin()
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]   |
[INFO] [stdout] 1 + use std::io;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `belajar_rust` (bin "belajar_rust") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "66f07357f351786fdf32163fae510039ca1a2c342ef22699e09e78e27b2ca30a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66f07357f351786fdf32163fae510039ca1a2c342ef22699e09e78e27b2ca30a", kill_on_drop: false }`
[INFO] [stdout] 66f07357f351786fdf32163fae510039ca1a2c342ef22699e09e78e27b2ca30a
