[INFO] cloning repository https://github.com/francesco-cattoglio/wgpu_segfault
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/francesco-cattoglio/wgpu_segfault" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrancesco-cattoglio%2Fwgpu_segfault", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrancesco-cattoglio%2Fwgpu_segfault'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5ae903c18a9c03e4bf81b41b84e65fb4c340110
[INFO] testing francesco-cattoglio/wgpu_segfault/e5ae903c18a9c03e4bf81b41b84e65fb4c340110 against master#d933cf483edf1605142ac6899ff32536c0ad8b22 for pr-150933
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrancesco-cattoglio%2Fwgpu_segfault" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/francesco-cattoglio/wgpu_segfault
[INFO] finished tweaking git repo https://github.com/francesco-cattoglio/wgpu_segfault
[INFO] tweaked toml for git repo https://github.com/francesco-cattoglio/wgpu_segfault written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/francesco-cattoglio/wgpu_segfault on toolchain d933cf483edf1605142ac6899ff32536c0ad8b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/francesco-cattoglio/wgpu_segfault 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" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/francesco-cattoglio/imgui-wgpu-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/wgpu-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/wgpu`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/naga`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/gfx`
[INFO] [stderr]     Updating git repository `https://github.com/zakarumych/gpu-alloc.git`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/metal-rs`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/d3d12-rs`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winres v0.1.11
[INFO] [stderr]   Downloaded wgpu-subscriber v0.1.0
[INFO] [stderr]   Downloaded gpu-descriptor v0.1.1
[INFO] [stderr]   Downloaded spirv-std-macros v0.4.0-alpha.4
[INFO] [stderr]   Downloaded scratch v1.0.0
[INFO] [stderr]   Downloaded link-cplusplus v1.0.5
[INFO] [stderr]   Downloaded spirv-std v0.4.0-alpha.4
[INFO] [stderr]   Downloaded imgui-winit-support v0.7.0
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.10.0
[INFO] [stderr]   Downloaded obj v0.10.2
[INFO] [stderr]   Downloaded memoffset v0.6.3
[INFO] [stderr]   Downloaded cairo-sys-rs v0.10.0
[INFO] [stderr]   Downloaded atk-sys v0.10.0
[INFO] [stderr]   Downloaded fixedbitset v0.4.0
[INFO] [stderr]   Downloaded tobj v2.0.4
[INFO] [stderr]   Downloaded hexasphere v3.2.0
[INFO] [stderr]   Downloaded gif v0.11.2
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.42
[INFO] [stderr]   Downloaded gio-sys v0.10.1
[INFO] [stderr]   Downloaded imgui v0.7.0
[INFO] [stderr]   Downloaded glam v0.13.1
[INFO] [stderr]   Downloaded cxx v1.0.42
[INFO] [stderr]   Downloaded gtk-sys v0.10.0
[INFO] [stderr]   Downloaded pathfinding v2.1.2
[INFO] [stderr]   Downloaded glow v0.7.2
[INFO] [stderr]   Downloaded petgraph v0.5.1
[INFO] [stderr]   Downloaded ash v0.32.1
[INFO] [stderr]   Downloaded slotmap v0.4.0
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.17
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.3
[INFO] [stderr]   Downloaded weezl v0.1.4
[INFO] [stderr]   Downloaded gdk-sys v0.10.0
[INFO] [stderr]   Downloaded pango-sys v0.10.0
[INFO] [stderr]   Downloaded spirv_cross v0.23.1
[INFO] [stderr]   Downloaded shaderc v0.6.3
[INFO] [stderr]   Downloaded smol_str v0.1.17
[INFO] [stderr]   Downloaded imgui-sys v0.7.0
[INFO] [stderr]   Downloaded profiling v0.1.10
[INFO] [stderr]   Downloaded shaderc-sys v0.6.3
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.42
[INFO] [stderr]   Downloaded cxx-build v1.0.42
[INFO] [stderr]   Downloaded rfd v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edab1140af5daed8cbd1e74fd0b79f41c709fa704845377962a9bf35e8cedc27
[INFO] running `Command { std: "docker" "start" "-a" "edab1140af5daed8cbd1e74fd0b79f41c709fa704845377962a9bf35e8cedc27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edab1140af5daed8cbd1e74fd0b79f41c709fa704845377962a9bf35e8cedc27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edab1140af5daed8cbd1e74fd0b79f41c709fa704845377962a9bf35e8cedc27", kill_on_drop: false }`
[INFO] [stdout] edab1140af5daed8cbd1e74fd0b79f41c709fa704845377962a9bf35e8cedc27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a281273882868e4e526d2718d0630ea95cb2eb45eac34fc1cf05efef75e7a9a5
[INFO] running `Command { std: "docker" "start" "-a" "a281273882868e4e526d2718d0630ea95cb2eb45eac34fc1cf05efef75e7a9a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.26/src/wrapper.rs:481:33
[INFO] [stdout]     |
[INFO] [stdout] 481 |                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 481 -                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout] 481 +                 let LineColumn { line, column } = s.start();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.26/src/wrapper.rs:498:33
[INFO] [stdout]     |
[INFO] [stdout] 498 |                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 498 -                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout] 498 +                 let LineColumn { line, column } = s.end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling wayland-commons v0.28.5
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a281273882868e4e526d2718d0630ea95cb2eb45eac34fc1cf05efef75e7a9a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a281273882868e4e526d2718d0630ea95cb2eb45eac34fc1cf05efef75e7a9a5", kill_on_drop: false }`
[INFO] [stdout] a281273882868e4e526d2718d0630ea95cb2eb45eac34fc1cf05efef75e7a9a5