[INFO] cloning repository https://github.com/mo-mcnabb/game-of-life [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mo-mcnabb/game-of-life" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmo-mcnabb%2Fgame-of-life", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmo-mcnabb%2Fgame-of-life'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 87d875da97c2b785ed05a33e29029526d8631a4e [INFO] building mo-mcnabb/game-of-life against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmo-mcnabb%2Fgame-of-life" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/mo-mcnabb/game-of-life [INFO] finished tweaking git repo https://github.com/mo-mcnabb/game-of-life [INFO] tweaked toml for git repo https://github.com/mo-mcnabb/game-of-life written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/mo-mcnabb/game-of-life on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/mo-mcnabb/game-of-life 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 36377a14adc287a47d264985566aa0e74da932221fe20ef47789a606a457b201 [INFO] running `Command { std: "docker" "start" "-a" "36377a14adc287a47d264985566aa0e74da932221fe20ef47789a606a457b201", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "36377a14adc287a47d264985566aa0e74da932221fe20ef47789a606a457b201", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36377a14adc287a47d264985566aa0e74da932221fe20ef47789a606a457b201", kill_on_drop: false }` [INFO] [stdout] 36377a14adc287a47d264985566aa0e74da932221fe20ef47789a606a457b201 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6b2980525a551f431621d35d5dbe71040a5dcc5797ca0b7d85d44e45929ba5ea [INFO] running `Command { std: "docker" "start" "-a" "6b2980525a551f431621d35d5dbe71040a5dcc5797ca0b7d85d44e45929ba5ea", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling version-compare v0.1.1 [INFO] [stderr] Compiling sdl2 v0.36.0 [INFO] [stderr] Compiling sdl2-sys v0.36.0 [INFO] [stderr] Compiling game_of_life v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `sdl2::pixels::Color` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use sdl2::pixels::Color; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `paused` [INFO] [stdout] --> src/display_driver.rs:112:9 [INFO] [stdout] | [INFO] [stdout] 112 | paused: bool, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_paused` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `scale` is never read [INFO] [stdout] --> src/life.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Life { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 4 | pub board: Vec>, [INFO] [stdout] 5 | scale: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Life` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | display_driver.draw(&mut life.get_board(), false); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 17 | let _ = display_driver.draw(&mut life.get_board(), false); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/tmp/rustc24TX6G/symbols.o" "<3 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libsdl2-c780fcf3ebe89a2a,libsdl2_sys-db4515b052fb49af,libbitflags-e2b4db6c651223da,liblazy_static-2bb390fee0230a38,liblibc-21d71f812ea07b39}.rlib" "/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_ttf" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustc24TX6G/raw-dylibs" "-B/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/game_of_life-7ac5d7426c07a41c" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: some arguments are omitted. use `--verbose` to show all linker arguments [INFO] [stdout] = note: rust-lld: error: unable to find library -lSDL2_ttf [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `game_of_life` (bin "game_of_life") due to 1 previous error; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "6b2980525a551f431621d35d5dbe71040a5dcc5797ca0b7d85d44e45929ba5ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b2980525a551f431621d35d5dbe71040a5dcc5797ca0b7d85d44e45929ba5ea", kill_on_drop: false }` [INFO] [stdout] 6b2980525a551f431621d35d5dbe71040a5dcc5797ca0b7d85d44e45929ba5ea