[INFO] fetching crate nuance 0.2.0...
[INFO] testing nuance-0.2.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate nuance 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate nuance 0.2.0 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 crates.io crate nuance 0.2.0
[INFO] finished tweaking crates.io crate nuance 0.2.0
[INFO] tweaked toml for crates.io crate nuance 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate nuance 0.2.0 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] 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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5099b5768b08cae8100b6b601e8de24d84513359aa6e7334d8583a7b193ffd45
[INFO] running `Command { std: "docker" "start" "-a" "5099b5768b08cae8100b6b601e8de24d84513359aa6e7334d8583a7b193ffd45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5099b5768b08cae8100b6b601e8de24d84513359aa6e7334d8583a7b193ffd45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5099b5768b08cae8100b6b601e8de24d84513359aa6e7334d8583a7b193ffd45", kill_on_drop: false }`
[INFO] [stdout] 5099b5768b08cae8100b6b601e8de24d84513359aa6e7334d8583a7b193ffd45
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6bdb953f1ec4a0a0e9b5ef3927bb9b030b627111622174be1b775d59ca24db64
[INFO] running `Command { std: "docker" "start" "-a" "6bdb953f1ec4a0a0e9b5ef3927bb9b030b627111622174be1b775d59ca24db64", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling atomic_refcell v0.1.7
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling emath v0.12.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling pico-args v0.4.1
[INFO] [stderr]    Compiling inplace_it v0.3.3
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling glow v0.9.0
[INFO] [stderr]    Compiling profiling v1.0.1
[INFO] [stderr]    Compiling rfd v0.3.0
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling line-span v0.1.2
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling wgpu-core v0.8.1
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling ahash v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling ash v0.32.1
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling gpu-descriptor-types v0.1.1
[INFO] [stderr]    Compiling gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling wgpu-types v0.8.0
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling andrew v0.3.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling gpu-descriptor v0.1.1
[INFO] [stderr]    Compiling gpu-alloc v0.4.5
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling spirv_headers v1.5.0
[INFO] [stderr]    Compiling ordered-float v2.2.0
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling xcursor v0.3.3
[INFO] [stderr]    Compiling lalrpop-util v0.19.5
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling epaint v0.12.0
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling toml v0.5.8
[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-0.32.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="libloading"' -C metadata=ee3e60100f7a5c17 -C extra-filename=-ee3e60100f7a5c17 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-d764f2d78731355d.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: build failed
[INFO] running `Command { std: "docker" "inspect" "6bdb953f1ec4a0a0e9b5ef3927bb9b030b627111622174be1b775d59ca24db64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bdb953f1ec4a0a0e9b5ef3927bb9b030b627111622174be1b775d59ca24db64", kill_on_drop: false }`
[INFO] [stdout] 6bdb953f1ec4a0a0e9b5ef3927bb9b030b627111622174be1b775d59ca24db64