[INFO] cloning repository https://github.com/khollbach/apple-ii-rust-hello-world
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/khollbach/apple-ii-rust-hello-world" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhollbach%2Fapple-ii-rust-hello-world", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhollbach%2Fapple-ii-rust-hello-world'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76ae6a62b581442ef43eb94226c1573a34d4d27f
[INFO] testing khollbach/apple-ii-rust-hello-world 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%2Fkhollbach%2Fapple-ii-rust-hello-world" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/khollbach/apple-ii-rust-hello-world
[INFO] finished tweaking git repo https://github.com/khollbach/apple-ii-rust-hello-world
[INFO] tweaked toml for git repo https://github.com/khollbach/apple-ii-rust-hello-world written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/khollbach/apple-ii-rust-hello-world 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/khollbach/apple-ii-rust-hello-world 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 58a19cdadaecd6af73a2a05d2125165530ba056c28730d2e6f65ebdcae3e225e
[INFO] running `Command { std: "docker" "start" "-a" "58a19cdadaecd6af73a2a05d2125165530ba056c28730d2e6f65ebdcae3e225e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58a19cdadaecd6af73a2a05d2125165530ba056c28730d2e6f65ebdcae3e225e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58a19cdadaecd6af73a2a05d2125165530ba056c28730d2e6f65ebdcae3e225e", kill_on_drop: false }`
[INFO] [stdout] 58a19cdadaecd6af73a2a05d2125165530ba056c28730d2e6f65ebdcae3e225e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] fa8206cdaeaad9df7eed92fce3d64cb6e6f6737d2d21fdd14049ae6946468bc2
[INFO] running `Command { std: "docker" "start" "-a" "fa8206cdaeaad9df7eed92fce3d64cb6e6f6737d2d21fdd14049ae6946468bc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling panic-halt v1.0.0
[INFO] [stderr]    Compiling apple-ii-rust-hello-world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `curr_page` is never used
[INFO] [stdout]   --> src/screen.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Screen {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn curr_page(&self) -> Page {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mixed` is never used
[INFO] [stdout]   --> src/screen.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn mixed(enable: bool) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `x` and `y` are never used
[INFO] [stdout]    --> src/screen.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 111 | impl Point {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 118 |     pub fn x(self) -> u8 {
[INFO] [stdout]     |            ^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     pub fn y(self) -> u8 {
[INFO] [stdout]     |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "fa8206cdaeaad9df7eed92fce3d64cb6e6f6737d2d21fdd14049ae6946468bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa8206cdaeaad9df7eed92fce3d64cb6e6f6737d2d21fdd14049ae6946468bc2", kill_on_drop: false }`
[INFO] [stdout] fa8206cdaeaad9df7eed92fce3d64cb6e6f6737d2d21fdd14049ae6946468bc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 685b06ecf3b876afd54b3df1abf1256afc7577fe230f85b7486109455906be64
[INFO] running `Command { std: "docker" "start" "-a" "685b06ecf3b876afd54b3df1abf1256afc7577fe230f85b7486109455906be64", kill_on_drop: false }`
[INFO] [stdout] warning: method `curr_page` is never used
[INFO] [stdout]   --> src/screen.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Screen {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn curr_page(&self) -> Page {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mixed` is never used
[INFO] [stdout]   --> src/screen.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn mixed(enable: bool) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `x` and `y` are never used
[INFO] [stdout]    --> src/screen.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 111 | impl Point {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 118 |     pub fn x(self) -> u8 {
[INFO] [stdout]     |            ^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     pub fn y(self) -> u8 {
[INFO] [stdout]     |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling apple-ii-rust-hello-world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: duplicate lang item in crate `std` (which `test` depends on): `panic_impl`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `panic_halt` (which `apple_ii_rust_hello_world` depends on)
[INFO] [stdout]   = note: first definition in `panic_halt` loaded from /opt/rustwide/target/debug/deps/libpanic_halt-d873f3064de0cd0c.rlib
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-0b731ea8964f0f7c.so, /opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-0b731ea8964f0f7c.rlib, /opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-0b731ea8964f0f7c.rmeta
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `apple-ii-rust-hello-world` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "685b06ecf3b876afd54b3df1abf1256afc7577fe230f85b7486109455906be64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "685b06ecf3b876afd54b3df1abf1256afc7577fe230f85b7486109455906be64", kill_on_drop: false }`
[INFO] [stdout] 685b06ecf3b876afd54b3df1abf1256afc7577fe230f85b7486109455906be64
