[INFO] cloning repository https://github.com/cosmobrain0/physics-simulation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cosmobrain0/physics-simulation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosmobrain0%2Fphysics-simulation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosmobrain0%2Fphysics-simulation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b21c970f85bfde0298090dbbf307fd069da57346
[INFO] checking cosmobrain0/physics-simulation against try#6284d7b4bd27983dba388146648ab844ca7d032f for pr-152971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosmobrain0%2Fphysics-simulation" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cosmobrain0/physics-simulation
[INFO] finished tweaking git repo https://github.com/cosmobrain0/physics-simulation
[INFO] tweaked toml for git repo https://github.com/cosmobrain0/physics-simulation written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cosmobrain0/physics-simulation on toolchain 6284d7b4bd27983dba388146648ab844ca7d032f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cosmobrain0/physics-simulation 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" "+6284d7b4bd27983dba388146648ab844ca7d032f" "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 lyon_geom v0.17.7
[INFO] [stderr]   Downloaded float_next_after v0.1.5
[INFO] [stderr]   Downloaded lyon v0.17.10
[INFO] [stderr]   Downloaded flo_canvas_events v0.3.0
[INFO] [stderr]   Downloaded gl v0.14.0
[INFO] [stderr]   Downloaded flo_render_gl_offscreen v0.3.0
[INFO] [stderr]   Downloaded rental-impl v0.5.5
[INFO] [stderr]   Downloaded bitreader v0.3.6
[INFO] [stderr]   Downloaded lyon_tessellation v0.17.10
[INFO] [stderr]   Downloaded flo_rope v0.2.0
[INFO] [stderr]   Downloaded glyph-names v0.1.0
[INFO] [stderr]   Downloaded similar v2.2.1
[INFO] [stderr]   Downloaded flo_render v0.3.0
[INFO] [stderr]   Downloaded allsorts v0.5.1
[INFO] [stderr]   Downloaded ttf-parser v0.12.3
[INFO] [stderr]   Downloaded unicode-general-category v0.3.0
[INFO] [stderr]   Downloaded lyon_algorithms v0.17.7
[INFO] [stderr]   Downloaded flo_render_canvas v0.3.0
[INFO] [stderr]   Downloaded flo_binding v2.2.0
[INFO] [stderr]   Downloaded rental v0.5.6
[INFO] [stderr]   Downloaded unicode-joining-type v0.4.0
[INFO] [stderr]   Downloaded roots v0.0.6
[INFO] [stderr]   Downloaded pathfinder_simd v0.5.1
[INFO] [stderr]   Downloaded lyon_path v0.17.7
[INFO] [stderr]   Downloaded flo_stream v0.6.0
[INFO] [stderr]   Downloaded pathfinder_geometry v0.5.1
[INFO] [stderr]   Downloaded flo_curves v0.5.2
[INFO] [stderr]   Downloaded egl v0.2.7
[INFO] [stderr]   Downloaded khronos v0.1.2
[INFO] [stderr]   Downloaded flo_draw v0.3.0
[INFO] [stderr]   Downloaded desync v0.7.1
[INFO] [stderr]   Downloaded desync v0.8.1
[INFO] [stderr]   Downloaded flo_canvas v0.3.0
[INFO] [stderr]   Downloaded rust-hsluv v0.1.4
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c5e200db95926af01720c9456bfbd96919d10b6338cd7a05ad38d3f752f57c8
[INFO] running `Command { std: "docker" "start" "-a" "4c5e200db95926af01720c9456bfbd96919d10b6338cd7a05ad38d3f752f57c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c5e200db95926af01720c9456bfbd96919d10b6338cd7a05ad38d3f752f57c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c5e200db95926af01720c9456bfbd96919d10b6338cd7a05ad38d3f752f57c8", kill_on_drop: false }`
[INFO] [stdout] 4c5e200db95926af01720c9456bfbd96919d10b6338cd7a05ad38d3f752f57c8
[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=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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aabd20ebd0ff019a0fbebd9ed90b36e796c93c0662c2d13538414a13950543bf
[INFO] running `Command { std: "docker" "start" "-a" "aabd20ebd0ff019a0fbebd9ed90b36e796c93c0662c2d13538414a13950543bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "aabd20ebd0ff019a0fbebd9ed90b36e796c93c0662c2d13538414a13950543bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aabd20ebd0ff019a0fbebd9ed90b36e796c93c0662c2d13538414a13950543bf", kill_on_drop: false }`
[INFO] [stdout] aabd20ebd0ff019a0fbebd9ed90b36e796c93c0662c2d13538414a13950543bf