[INFO] cloning repository https://github.com/sharkdp/vacuum-robot-simulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sharkdp/vacuum-robot-simulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsharkdp%2Fvacuum-robot-simulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsharkdp%2Fvacuum-robot-simulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bdeac607214ff3a4c47636f1ca600c993f27f917
[INFO] checking sharkdp/vacuum-robot-simulator against master#18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb for pr-96970
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsharkdp%2Fvacuum-robot-simulator" "/workspace/builds/worker-43/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-43/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sharkdp/vacuum-robot-simulator on toolchain 18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sharkdp/vacuum-robot-simulator
[INFO] finished tweaking git repo https://github.com/sharkdp/vacuum-robot-simulator
[INFO] tweaked toml for git repo https://github.com/sharkdp/vacuum-robot-simulator written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate git repo https://github.com/sharkdp/vacuum-robot-simulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pistoncore-input v0.23.0
[INFO] [stderr]   Downloaded pistoncore-window v0.34.0
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.39.0
[INFO] [stderr]   Downloaded piston v0.39.0
[INFO] [stderr]   Downloaded svgparser v0.4.3
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.53.0
[INFO] [stderr]   Downloaded pistoncore-sdl2_window v0.50.0
[INFO] [stderr]   Downloaded magenta-sys v0.1.1
[INFO] [stderr]   Downloaded winit v0.12.0
[INFO] [stderr]   Downloaded serde_derive v1.0.15
[INFO] [stderr]   Downloaded tempfile v3.0.4
[INFO] [stderr]   Downloaded gl_generator v0.5.5
[INFO] [stderr]   Downloaded stb_truetype v0.2.4
[INFO] [stderr]   Downloaded num-rational v0.1.39
[INFO] [stderr]   Downloaded either v1.1.0
[INFO] [stderr]   Downloaded piston-viewport v0.5.0
[INFO] [stderr]   Downloaded nodrop v0.1.9
[INFO] [stderr]   Downloaded serde_derive_internals v0.16.0
[INFO] [stderr]   Downloaded gleam v0.4.8
[INFO] [stderr]   Downloaded cocoa v0.14.0
[INFO] [stderr]   Downloaded num-derive v0.2.3
[INFO] [stderr]   Downloaded rayon v0.8.2
[INFO] [stderr]   Downloaded itertools v0.5.10
[INFO] [stderr]   Downloaded syn v0.15.17
[INFO] [stderr]   Downloaded syn v0.10.8
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.51.0
[INFO] [stderr]   Downloaded khronos_api v1.0.1
[INFO] [stderr]   Downloaded piston_window v0.80.0
[INFO] [stderr]   Downloaded num_cpus v1.6.2
[INFO] [stderr]   Downloaded scoped_threadpool v0.1.7
[INFO] [stderr]   Downloaded shared_library v0.1.7
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.13
[INFO] [stderr]   Downloaded arrayvec v0.4.2
[INFO] [stderr]   Downloaded magenta v0.1.1
[INFO] [stderr]   Downloaded gfx_device_gl v0.15.3
[INFO] [stderr]   Downloaded scopeguard v0.3.2
[INFO] [stderr]   Downloaded coco v0.1.1
[INFO] [stderr]   Downloaded futures v0.1.16
[INFO] [stderr]   Downloaded derivative v1.0.0
[INFO] [stderr]   Downloaded euclid v0.13.0
[INFO] [stderr]   Downloaded lyon_bezier v0.5.0
[INFO] [stderr]   Downloaded rayon-core v1.2.1
[INFO] [stderr]   Downloaded svg2polylines v0.4.0
[INFO] [stderr]   Downloaded quote v0.6.9
[INFO] [stderr]   Downloaded inflate v0.4.3
[INFO] [stderr]   Downloaded piston-gfx_texture v0.32.0
[INFO] [stderr]   Downloaded fnv v1.0.5
[INFO] [stderr]   Downloaded odds v0.2.25
[INFO] [stderr]   Downloaded vecmath v0.3.0
[INFO] [stderr]   Downloaded xml-rs v0.6.1
[INFO] [stderr]   Downloaded core-graphics v0.13.0
[INFO] [stderr]   Downloaded wayland-window v0.13.3
[INFO] [stderr]   Downloaded rand v0.3.16
[INFO] [stderr]   Downloaded libc v0.2.31
[INFO] [stderr]   Downloaded glutin v0.14.0
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.47.0
[INFO] [stderr]   Downloaded heapsize v0.4.1
[INFO] [stderr]   Downloaded serde v0.9.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd38c2c331ce4e6fa5a13eaa27a218f559e91808a7dcb49773ffdd87b29d9bb7
[INFO] running `Command { std: "docker" "start" "-a" "cd38c2c331ce4e6fa5a13eaa27a218f559e91808a7dcb49773ffdd87b29d9bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd38c2c331ce4e6fa5a13eaa27a218f559e91808a7dcb49773ffdd87b29d9bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd38c2c331ce4e6fa5a13eaa27a218f559e91808a7dcb49773ffdd87b29d9bb7", kill_on_drop: false }`
[INFO] [stdout] cd38c2c331ce4e6fa5a13eaa27a218f559e91808a7dcb49773ffdd87b29d9bb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 916f08e9fca76322a0f9ddf8481dbab47def37a2806df6a6ee1cfbc329dc8345
[INFO] running `Command { std: "docker" "start" "-a" "916f08e9fca76322a0f9ddf8481dbab47def37a2806df6a6ee1cfbc329dc8345", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]     Checking shader_version v0.3.0
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking serde v1.0.15
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]     Checking scopeguard v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]     Checking futures v0.1.16
[INFO] [stderr]     Checking token_store v0.1.2
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.7
[INFO] [stderr]     Checking piston-texture v0.6.0
[INFO] [stderr]    Compiling heapsize v0.4.1
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]     Checking siphasher v0.2.2
[INFO] [stderr]     Checking interpolation v0.1.0
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.3.1
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking piston-viewport v0.3.0
[INFO] [stderr]     Checking piston-viewport v0.5.0
[INFO] [stderr]     Checking vecmath v0.3.0
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking phf_shared v0.7.21
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking shared_library v0.1.7
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking nodrop v0.1.9
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking deflate v0.7.17
[INFO] [stderr]     Checking stb_truetype v0.2.4
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.15/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=ab39f22294ec347d -C extra-filename=-ab39f22294ec347d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "916f08e9fca76322a0f9ddf8481dbab47def37a2806df6a6ee1cfbc329dc8345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "916f08e9fca76322a0f9ddf8481dbab47def37a2806df6a6ee1cfbc329dc8345", kill_on_drop: false }`
[INFO] [stdout] 916f08e9fca76322a0f9ddf8481dbab47def37a2806df6a6ee1cfbc329dc8345