[INFO] cloning repository https://github.com/joe-loach/potential
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joe-loach/potential" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoe-loach%2Fpotential", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoe-loach%2Fpotential'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e1ca2fee8fe0df9564ba09f228f5084fdf8dc29
[INFO] checking joe-loach/potential against master#11ebe6512b4c77633c59f8dcdd421df3b79d1a9f for pr-103872
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoe-loach%2Fpotential" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joe-loach/potential on toolchain 11ebe6512b4c77633c59f8dcdd421df3b79d1a9f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+11ebe6512b4c77633c59f8dcdd421df3b79d1a9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/joe-loach/potential
[INFO] finished tweaking git repo https://github.com/joe-loach/potential
[INFO] tweaked toml for git repo https://github.com/joe-loach/potential written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/joe-loach/potential already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+11ebe6512b4c77633c59f8dcdd421df3b79d1a9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/joe-loach/archie`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wayland-scanner v0.29.2
[INFO] [stderr]   Downloaded wayland-cursor v0.29.2
[INFO] [stderr]   Downloaded wayland-sys v0.29.2
[INFO] [stderr]   Downloaded walrus v0.19.0
[INFO] [stderr]   Downloaded zvariant_derive v3.2.1
[INFO] [stderr]   Downloaded wayland-client v0.29.2
[INFO] [stderr]   Downloaded zvariant v3.2.1
[INFO] [stderr]   Downloaded zbus v2.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-wasm-conventions v0.2.78
[INFO] [stderr]   Downloaded wasm-bindgen-wasm-interpreter v0.2.78
[INFO] [stderr]   Downloaded wasm-bindgen-multi-value-xform v0.2.78
[INFO] [stderr]   Downloaded wasm-bindgen-cli-support v0.2.78
[INFO] [stderr]   Downloaded zbus_macros v2.2.0
[INFO] [stderr]   Downloaded wayland-commons v0.29.2
[INFO] [stderr]   Downloaded wasm-bindgen-externref-xform v0.2.78
[INFO] [stderr]   Downloaded walrus-macro v0.19.0
[INFO] [stderr]   Downloaded wasm-bindgen-threads-xform v0.2.78
[INFO] [stderr]   Downloaded wit-walrus v0.6.0
[INFO] [stderr]   Downloaded wayland-protocols v0.29.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+11ebe6512b4c77633c59f8dcdd421df3b79d1a9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ade6451a67ad21306fbf829a469389fe54086462549749f7ffa011127284b9c9
[INFO] running `Command { std: "docker" "start" "-a" "ade6451a67ad21306fbf829a469389fe54086462549749f7ffa011127284b9c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ade6451a67ad21306fbf829a469389fe54086462549749f7ffa011127284b9c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ade6451a67ad21306fbf829a469389fe54086462549749f7ffa011127284b9c9", kill_on_drop: false }`
[INFO] [stdout] ade6451a67ad21306fbf829a469389fe54086462549749f7ffa011127284b9c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+11ebe6512b4c77633c59f8dcdd421df3b79d1a9f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 226b4bd9effa7d1fb0d7880f241e02bb95654497d1feb7d8eaf1f1b3597d2b4e
[INFO] running `Command { std: "docker" "start" "-a" "226b4bd9effa7d1fb0d7880f241e02bb95654497d1feb7d8eaf1f1b3597d2b4e", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking libloading v0.7.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling wayland-sys v0.29.2
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.3
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking raw-window-handle v0.4.2
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking fixedbitset v0.4.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling wayland-scanner v0.29.2
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling ash v0.34.0+1.2.203
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]     Checking ttf-parser v0.14.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking hexf-parse v0.2.1
[INFO] [stderr]     Checking spirv v0.2.0+1.5.4
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking wasmparser v0.77.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking nix v0.22.0
[INFO] [stderr]     Checking memmap2 v0.3.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling xcb v0.10.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking polling v2.2.0
[INFO] [stderr]     Checking gpu-descriptor v0.2.2
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]    Compiling wgpu-core v0.12.1
[INFO] [stderr]     Checking gpu-alloc v0.5.2
[INFO] [stderr]    Compiling wayland-client v0.29.2
[INFO] [stderr]    Compiling wayland-protocols v0.29.2
[INFO] [stderr]     Checking petgraph v0.6.1
[INFO] [stderr]     Checking dlv-list v0.2.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking wgpu-types v0.12.0
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.5
[INFO] [stderr]     Checking owned_ttf_parser v0.14.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking async-task v4.2.0
[INFO] [stderr]     Checking inplace_it v0.3.3
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking easy-parallel v3.2.0
[INFO] [stderr]     Checking glow v0.11.2
[INFO] [stderr]     Checking renderdoc-sys v0.7.1
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling winit v0.26.1
[INFO] [stderr]     Checking profiling v1.0.4
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking async-broadcast v0.4.0
[INFO] [stderr]     Checking ab_glyph v0.2.13
[INFO] [stderr]     Checking ordered-multimap v0.3.1
[INFO] [stderr]     Checking async-io v1.7.0
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking mio v0.8.0
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking async-lock v2.5.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking ordered-stream v0.0.1
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking wit-schema-version v0.1.0
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking atomic_refcell v0.1.8
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling dark-light v0.2.2
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking rust-ini v0.17.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.84/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=dd13976e608edba6 -C extra-filename=-dd13976e608edba6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d937f1f82ffb437d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-67e27136f08bcb92.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3c8a88541efd8c80.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ash`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ash --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ash-0.34.0+1.2.203/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="debug"' --cfg 'feature="libloading"' --cfg 'feature="loaded"' -C metadata=534068770f1d5029 -C extra-filename=-534068770f1d5029 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-d4d137a2e3424a07.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "226b4bd9effa7d1fb0d7880f241e02bb95654497d1feb7d8eaf1f1b3597d2b4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "226b4bd9effa7d1fb0d7880f241e02bb95654497d1feb7d8eaf1f1b3597d2b4e", kill_on_drop: false }`
[INFO] [stdout] 226b4bd9effa7d1fb0d7880f241e02bb95654497d1feb7d8eaf1f1b3597d2b4e