[INFO] cloning repository https://github.com/jaferic/rust_flappy_dragon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaferic/rust_flappy_dragon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaferic%2Frust_flappy_dragon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaferic%2Frust_flappy_dragon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43f9a1576a23f01c77a26e8e2b6fadc1935d582e
[INFO] building jaferic/rust_flappy_dragon against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaferic%2Frust_flappy_dragon" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jaferic/rust_flappy_dragon on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jaferic/rust_flappy_dragon
[INFO] finished tweaking git repo https://github.com/jaferic/rust_flappy_dragon
[INFO] tweaked toml for git repo https://github.com/jaferic/rust_flappy_dragon written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jaferic/rust_flappy_dragon 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 533db3ad119987b844ad6f42265bfcf563e4f0d73ba5a84587374d4923ba75fb
[INFO] running `Command { std: "docker" "start" "-a" "533db3ad119987b844ad6f42265bfcf563e4f0d73ba5a84587374d4923ba75fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "533db3ad119987b844ad6f42265bfcf563e4f0d73ba5a84587374d4923ba75fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "533db3ad119987b844ad6f42265bfcf563e4f0d73ba5a84587374d4923ba75fb", kill_on_drop: false }`
[INFO] [stdout] 533db3ad119987b844ad6f42265bfcf563e4f0d73ba5a84587374d4923ba75fb
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96b14dfd2a8beb96a3a09a629f63af668c38333bbc461d2bc3c6b9bb062cb05d
[INFO] running `Command { std: "docker" "start" "-a" "96b14dfd2a8beb96a3a09a629f63af668c38333bbc461d2bc3c6b9bb062cb05d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling xml-rs v0.8.21
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling bytemuck v1.18.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling libloading v0.8.5
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling downcast-rs v1.2.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling cc v1.1.18
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling fdeflate v0.3.4
[INFO] [stderr]    Compiling safe_arch v0.7.2
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.1
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling crossfont v0.5.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling flate2 v1.0.33
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling arrayref v0.3.8
[INFO] [stderr]    Compiling foreign-types-shared v0.3.1
[INFO] [stderr]    Compiling xcursor v0.3.8
[INFO] [stderr]    Compiling tiny-skia-path v0.7.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling wide v0.7.28
[INFO] [stderr]    Compiling safe_arch v0.5.2
[INFO] [stderr]    Compiling cmake v0.1.51
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling png v0.17.13
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.8
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling nix v0.25.1
[INFO] [stderr]    Compiling memmap2 v0.5.10
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.6
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling raw-window-handle v0.4.3
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling freetype-rs v0.26.0
[INFO] [stderr]    Compiling servo-fontconfig v0.5.1
[INFO] [stderr]    Compiling raw-window-handle v0.5.2
[INFO] [stderr]    Compiling anyhow v1.0.87
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling ultraviolet v0.9.2
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling bracket-color v0.8.7
[INFO] [stderr]    Compiling bracket-embedding v0.8.7
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling wayland-commons v0.29.5
[INFO] [stderr]    Compiling jpeg-decoder v0.3.1
[INFO] [stderr]    Compiling tiny-skia v0.7.0
[INFO] [stderr]    Compiling bracket-geometry v0.8.7
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling bracket-algorithm-traits v0.8.7
[INFO] [stderr]    Compiling bracket-rex v0.8.7
[INFO] [stderr]    Compiling object-pool v0.5.4
[INFO] [stderr]    Compiling glow v0.11.2
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling bracket-pathfinding v0.8.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling foreign-types-macros v0.2.3
[INFO] [stderr]    Compiling foreign-types v0.5.0
[INFO] [stderr]    Compiling wayland-cursor v0.29.5
[INFO] [stderr]    Compiling wayland-egl v0.29.5
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling calloop v0.10.6
[INFO] [stderr]    Compiling bracket-random v0.8.7
[INFO] [stderr]    Compiling bracket-noise v0.8.7
[INFO] [stderr]    Compiling sctk-adwaita v0.4.3
[INFO] [stderr]    Compiling winit v0.27.5
[INFO] [stderr]    Compiling glutin v0.29.1
[INFO] [stderr]    Compiling bracket-terminal v0.8.7
[INFO] [stderr]    Compiling bracket-lib v0.8.7
[INFO] [stderr]    Compiling flappy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/main.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn playing(&mut self, ctx: &mut BTerm) {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.31s
[INFO] running `Command { std: "docker" "inspect" "96b14dfd2a8beb96a3a09a629f63af668c38333bbc461d2bc3c6b9bb062cb05d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96b14dfd2a8beb96a3a09a629f63af668c38333bbc461d2bc3c6b9bb062cb05d", kill_on_drop: false }`
[INFO] [stdout] 96b14dfd2a8beb96a3a09a629f63af668c38333bbc461d2bc3c6b9bb062cb05d
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c35cb126097ec74586cb69c3de5e0c54b7f5695c1fb19e89a74d35f2422371a3
[INFO] running `Command { std: "docker" "start" "-a" "c35cb126097ec74586cb69c3de5e0c54b7f5695c1fb19e89a74d35f2422371a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling flappy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/main.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn playing(&mut self, ctx: &mut BTerm) {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "c35cb126097ec74586cb69c3de5e0c54b7f5695c1fb19e89a74d35f2422371a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c35cb126097ec74586cb69c3de5e0c54b7f5695c1fb19e89a74d35f2422371a3", kill_on_drop: false }`
[INFO] [stdout] c35cb126097ec74586cb69c3de5e0c54b7f5695c1fb19e89a74d35f2422371a3