[INFO] fetching crate kernel-build 0.1.0...
[INFO] checking kernel-build-0.1.0 against master#bbe853615821442ef11d6cd42a30a73432b38d89 for pr-154205
[INFO] extracting crate kernel-build 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate kernel-build 0.1.0
[INFO] finished tweaking crates.io crate kernel-build 0.1.0
[INFO] tweaked toml for crates.io crate kernel-build 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kernel-build 0.1.0 on toolchain bbe853615821442ef11d6cd42a30a73432b38d89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] [stderr]       Adding winreg v0.10.1 (available: v0.56.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded failure_derive v0.1.8
[INFO] [stderr]   Downloaded synstructure v0.12.6
[INFO] [stderr]   Downloaded winreg v0.10.1
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21c8a83d6f68d3113b65cf30ccff7a57bf7e1c4d7b648181a0ccdb15d847c756
[INFO] running `Command { std: "docker" "start" "-a" "21c8a83d6f68d3113b65cf30ccff7a57bf7e1c4d7b648181a0ccdb15d847c756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21c8a83d6f68d3113b65cf30ccff7a57bf7e1c4d7b648181a0ccdb15d847c756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21c8a83d6f68d3113b65cf30ccff7a57bf7e1c4d7b648181a0ccdb15d847c756", kill_on_drop: false }`
[INFO] [stdout] 21c8a83d6f68d3113b65cf30ccff7a57bf7e1c4d7b648181a0ccdb15d847c756
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6015a8135ad3d448d6ed014a7a792afac51fb06ef4863136ba2752089b53b4c
[INFO] running `Command { std: "docker" "start" "-a" "e6015a8135ad3d448d6ed014a7a792afac51fb06ef4863136ba2752089b53b4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling winreg v0.10.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.27
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr] error: failed to run custom build command for `winreg v0.10.1`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/winreg-be5bacae3509dffc/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: winreg is only supported on Windows platforms
[INFO] [stderr]   help: if your application is multi-platform, use `[target.'cfg(windows)'.dependencies] winreg = "..."`
[INFO] [stderr]   help: if your application is only supported on Windows, use `--target x86_64-pc-windows-gnu` or some other windows platform
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e6015a8135ad3d448d6ed014a7a792afac51fb06ef4863136ba2752089b53b4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6015a8135ad3d448d6ed014a7a792afac51fb06ef4863136ba2752089b53b4c", kill_on_drop: false }`
[INFO] [stdout] e6015a8135ad3d448d6ed014a7a792afac51fb06ef4863136ba2752089b53b4c