[INFO] cloning repository https://github.com/merrickluo/learning-rust-tetris
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/merrickluo/learning-rust-tetris" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerrickluo%2Flearning-rust-tetris", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerrickluo%2Flearning-rust-tetris'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ffc7d01c097562db0be59009ac8f2ab7fa30810f
[INFO] testing merrickluo/learning-rust-tetris against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerrickluo%2Flearning-rust-tetris" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/merrickluo/learning-rust-tetris on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/merrickluo/learning-rust-tetris
[INFO] finished tweaking git repo https://github.com/merrickluo/learning-rust-tetris
[INFO] tweaked toml for git repo https://github.com/merrickluo/learning-rust-tetris written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/merrickluo/learning-rust-tetris already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36524a018c8ac34208e2c2428b697bca179fb8181e331edb5aaf8a03ee7b6738
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "36524a018c8ac34208e2c2428b697bca179fb8181e331edb5aaf8a03ee7b6738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36524a018c8ac34208e2c2428b697bca179fb8181e331edb5aaf8a03ee7b6738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36524a018c8ac34208e2c2428b697bca179fb8181e331edb5aaf8a03ee7b6738", kill_on_drop: false }`
[INFO] [stdout] 36524a018c8ac34208e2c2428b697bca179fb8181e331edb5aaf8a03ee7b6738
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 375081c40ae44046074c8af0c54e564138643c9544a44e878914e7f298ba1d54
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "375081c40ae44046074c8af0c54e564138643c9544a44e878914e7f298ba1d54", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v0.6.0
[INFO] [stderr]    Compiling piston-float v0.2.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.19
[INFO] [stderr]    Compiling shader_version v0.2.1
[INFO] [stderr]    Compiling odds v0.2.16
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]    Compiling linked-hash-map v0.0.10
[INFO] [stderr]    Compiling piston-texture v0.5.0
[INFO] [stderr]    Compiling interpolation v0.1.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling read_color v0.1.0
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.1.0
[INFO] [stderr]    Compiling fnv v1.0.4
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling serde_json v0.8.2
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.19/src/serialize.rs:147:45
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling xml-rs v0.3.4
[INFO] [stderr]    Compiling osmesa-sys v0.1.1
[INFO] [stderr]    Compiling stb_truetype v0.2.0
[INFO] [stderr]    Compiling gif v0.9.0
[INFO] [stderr]    Compiling num v0.1.35
[INFO] [stderr]    Compiling nodrop v0.1.8
[INFO] [stderr]    Compiling piston-viewport v0.2.0
[INFO] [stderr]    Compiling vecmath v0.2.0
[INFO] [stderr]    Compiling rayon v0.4.2
[INFO] [stderr]    Compiling arrayvec v0.3.17
[INFO] [stderr]    Compiling enum_primitive v0.1.0
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling piston2d-graphics v0.17.0
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0642`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "375081c40ae44046074c8af0c54e564138643c9544a44e878914e7f298ba1d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "375081c40ae44046074c8af0c54e564138643c9544a44e878914e7f298ba1d54", kill_on_drop: false }`
[INFO] [stdout] 375081c40ae44046074c8af0c54e564138643c9544a44e878914e7f298ba1d54