[INFO] cloning repository https://github.com/despawnerer/piston-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/despawnerer/piston-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdespawnerer%2Fpiston-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdespawnerer%2Fpiston-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c69755067502ce49455eae7683b051d3193d19f1
[INFO] testing despawnerer/piston-tutorial against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdespawnerer%2Fpiston-tutorial" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/despawnerer/piston-tutorial 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/despawnerer/piston-tutorial
[INFO] finished tweaking git repo https://github.com/despawnerer/piston-tutorial
[INFO] tweaked toml for git repo https://github.com/despawnerer/piston-tutorial written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/despawnerer/piston-tutorial 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] [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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] d4bda512711c4a24d125848fab9ea50740449b599ceaaa86824027c84ca699a3
[INFO] running `Command { std: "docker" "start" "-a" "d4bda512711c4a24d125848fab9ea50740449b599ceaaa86824027c84ca699a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4bda512711c4a24d125848fab9ea50740449b599ceaaa86824027c84ca699a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4bda512711c4a24d125848fab9ea50740449b599ceaaa86824027c84ca699a3", kill_on_drop: false }`
[INFO] [stdout] d4bda512711c4a24d125848fab9ea50740449b599ceaaa86824027c84ca699a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 0d91c7fe9d9bffc355fee94b0b624baf69a4b5178a6b80b7c5f8a6dffafcf895
[INFO] running `Command { std: "docker" "start" "-a" "0d91c7fe9d9bffc355fee94b0b624baf69a4b5178a6b80b7c5f8a6dffafcf895", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.7
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.5
[INFO] [stderr]    Compiling gcc v0.3.25
[INFO] [stderr]    Compiling rustc-serialize v0.3.18
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling lazy_static v0.1.15
[INFO] [stderr]    Compiling libloading v0.2.1
[INFO] [stderr]    Compiling piston-float v0.2.0
[INFO] [stderr]    Compiling pkg-config v0.3.7
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]    Compiling shader_version v0.2.1
[INFO] [stderr]    Compiling crossbeam v0.1.6
[INFO] [stderr]    Compiling khronos_api v0.0.8
[INFO] [stderr]    Compiling inflate v0.1.0
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling lzw v0.9.0
[INFO] [stderr]    Compiling piston-texture v0.3.0
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling glob v0.2.10
[INFO] [stderr]    Compiling interpolation v0.1.0
[INFO] [stderr]    Compiling read_color v0.1.0
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.1.0
[INFO] [stderr]    Compiling xml-rs v0.2.2
[INFO] [stderr]    Compiling draw_state v0.3.0
[INFO] [stderr]    Compiling piston-viewport v0.2.0
[INFO] [stderr]    Compiling vecmath v0.2.0
[INFO] [stderr]    Compiling log v0.3.5
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling num_cpus v0.2.11
[INFO] [stderr]    Compiling dylib v0.0.1
[INFO] [stderr]    Compiling shared_library v0.1.4
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr]    Compiling gif v0.7.0
[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-0.3.18/src/serialize.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-0.1.6/src/sync/seg_queue.rs:34:29
[INFO] [stdout]    |
[INFO] [stdout] 34 |             ready: unsafe { mem::transmute([0usize; SEG_SIZE]) },
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: source type: `[usize; 32]` (2048 bits)
[INFO] [stdout]    = note: target type: `[AtomicBool; 32]` (256 bits)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gl_common v0.1.0
[INFO] [stderr]    Compiling osmesa-sys v0.0.5
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0512`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crossbeam`
[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] [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: build failed
[INFO] running `Command { std: "docker" "inspect" "0d91c7fe9d9bffc355fee94b0b624baf69a4b5178a6b80b7c5f8a6dffafcf895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d91c7fe9d9bffc355fee94b0b624baf69a4b5178a6b80b7c5f8a6dffafcf895", kill_on_drop: false }`
[INFO] [stdout] 0d91c7fe9d9bffc355fee94b0b624baf69a4b5178a6b80b7c5f8a6dffafcf895