[INFO] cloning repository https://github.com/fengmz/ReadmeGen4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fengmz/ReadmeGen4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffengmz%2FReadmeGen4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffengmz%2FReadmeGen4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49c2f19afda28949b64a4260ed6d8c94c1b96d10
[INFO] checking fengmz/ReadmeGen4 against try#b98202ad067d72e45cec8be3d5c15d86ef0fd086 for pr-155193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffengmz%2FReadmeGen4" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fengmz/ReadmeGen4
[INFO] finished tweaking git repo https://github.com/fengmz/ReadmeGen4
[INFO] tweaked toml for git repo https://github.com/fengmz/ReadmeGen4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fengmz/ReadmeGen4 on toolchain b98202ad067d72e45cec8be3d5c15d86ef0fd086
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fengmz/ReadmeGen4 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" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: target.i686-pc-windows-msvc.rustflags
[INFO] [stderr] warning: unused manifest key: target.x86_64-pc-windows-msvc.rustflags
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clipboard v0.5.0
[INFO] [stderr]   Downloaded clipboard-win v2.2.0
[INFO] [stderr]   Downloaded x11-clipboard v0.3.3
[INFO] [stderr]   Downloaded xcb v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 476ff591dd31a9bdce734ad7e5d0b9dd09137cd8bcb5ccc7847dccd0e8c5eb98
[INFO] running `Command { std: "docker" "start" "-a" "476ff591dd31a9bdce734ad7e5d0b9dd09137cd8bcb5ccc7847dccd0e8c5eb98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "476ff591dd31a9bdce734ad7e5d0b9dd09137cd8bcb5ccc7847dccd0e8c5eb98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "476ff591dd31a9bdce734ad7e5d0b9dd09137cd8bcb5ccc7847dccd0e8c5eb98", kill_on_drop: false }`
[INFO] [stdout] 476ff591dd31a9bdce734ad7e5d0b9dd09137cd8bcb5ccc7847dccd0e8c5eb98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce5104b162eaffc71a47e5ac01f50db5a2a172545beb3e9d0400f58c9df9e348
[INFO] running `Command { std: "docker" "start" "-a" "ce5104b162eaffc71a47e5ac01f50db5a2a172545beb3e9d0400f58c9df9e348", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: target.i686-pc-windows-msvc.rustflags
[INFO] [stderr] warning: unused manifest key: target.x86_64-pc-windows-msvc.rustflags
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winreg v0.10.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[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-8452cb5044fb4b8d/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" "ce5104b162eaffc71a47e5ac01f50db5a2a172545beb3e9d0400f58c9df9e348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce5104b162eaffc71a47e5ac01f50db5a2a172545beb3e9d0400f58c9df9e348", kill_on_drop: false }`
[INFO] [stdout] ce5104b162eaffc71a47e5ac01f50db5a2a172545beb3e9d0400f58c9df9e348