[INFO] fetching crate cart-tmp-wgc 0.1.0...
[INFO] checking cart-tmp-wgc-0.1.0 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate cart-tmp-wgc 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cart-tmp-wgc 0.1.0 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cart-tmp-wgc 0.1.0
[INFO] finished tweaking crates.io crate cart-tmp-wgc 0.1.0
[INFO] tweaked toml for crates.io crate cart-tmp-wgc 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spirv_headers v1.5.0
[INFO] [stderr]   Downloaded battery v0.7.8
[INFO] [stderr]   Downloaded gfx-backend-metal v0.5.7
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.5.10
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.5.3
[INFO] [stderr]   Downloaded storage-map v0.3.0
[INFO] [stderr]   Downloaded nix v0.19.0
[INFO] [stderr]   Downloaded d3d12 v0.3.2
[INFO] [stderr]   Downloaded uom v0.30.0
[INFO] [stderr]   Downloaded atom v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44ead51f90af8bd924498c58338b2cb3b6c719226c9929984d476816e6ebb630
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "44ead51f90af8bd924498c58338b2cb3b6c719226c9929984d476816e6ebb630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44ead51f90af8bd924498c58338b2cb3b6c719226c9929984d476816e6ebb630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44ead51f90af8bd924498c58338b2cb3b6c719226c9929984d476816e6ebb630", kill_on_drop: false }`
[INFO] [stdout] 44ead51f90af8bd924498c58338b2cb3b6c719226c9929984d476816e6ebb630
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--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] 337b0ce67a1d9e28c08fceb04a813cc82187ddcb89aee1b5cd45547c483108d6
[INFO] running `Command { std: "docker" "start" "-a" "337b0ce67a1d9e28c08fceb04a813cc82187ddcb89aee1b5cd45547c483108d6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking atom v0.3.6
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]    Compiling generator v0.6.23
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking libloading v0.6.5
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking hibitset v0.6.3
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking gfx-hal v0.5.3
[INFO] [stderr]     Checking cart-tmp-wgt v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking loom v0.3.6
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]     Checking cart-tmp-nga v0.1.0
[INFO] [stderr]     Checking gfx-backend-empty v0.5.2
[INFO] [stderr]     Checking cart-tmp-gmem v0.1.0
[INFO] [stderr]     Checking cart-tmp-gdesc v0.1.0
[INFO] [stderr]     Checking gfx-backend-vulkan v0.5.11
[INFO] [stderr]     Checking cart-tmp-wgc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.59s
[INFO] running `Command { std: "docker" "inspect" "337b0ce67a1d9e28c08fceb04a813cc82187ddcb89aee1b5cd45547c483108d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "337b0ce67a1d9e28c08fceb04a813cc82187ddcb89aee1b5cd45547c483108d6", kill_on_drop: false }`
[INFO] [stdout] 337b0ce67a1d9e28c08fceb04a813cc82187ddcb89aee1b5cd45547c483108d6