[INFO] cloning repository https://github.com/robmikh/winerror
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robmikh/winerror" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobmikh%2Fwinerror", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobmikh%2Fwinerror'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03fb9d0056b031c554668b36e68e80c8e07cc527
[INFO] testing robmikh/winerror against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobmikh%2Fwinerror" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robmikh/winerror on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/robmikh/winerror
[INFO] finished tweaking git repo https://github.com/robmikh/winerror
[INFO] tweaked toml for git repo https://github.com/robmikh/winerror written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/robmikh/winerror already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cbb5989365d53e18e77f614ebc8320be5a9c92e91dfc93a07cf699dbae67854
[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" "7cbb5989365d53e18e77f614ebc8320be5a9c92e91dfc93a07cf699dbae67854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cbb5989365d53e18e77f614ebc8320be5a9c92e91dfc93a07cf699dbae67854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cbb5989365d53e18e77f614ebc8320be5a9c92e91dfc93a07cf699dbae67854", kill_on_drop: false }`
[INFO] [stdout] 7cbb5989365d53e18e77f614ebc8320be5a9c92e91dfc93a07cf699dbae67854
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9c3bc17dd35dbc4b779a7c3873176100f89a0ac28c22b33f290979834a6ed2d
[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" "e9c3bc17dd35dbc4b779a7c3873176100f89a0ac28c22b33f290979834a6ed2d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling winerror_core v0.1.1 (/opt/rustwide/workdir/winerror_core)
[INFO] [stderr]    Compiling winerror v0.1.3 (/opt/rustwide/workdir/winerror)
[INFO] [stderr] error: failed to run custom build command for `winerror v0.1.3 (/opt/rustwide/workdir/winerror)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/winerror-0bdbd3d15df9c817/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=data/hresults.txt
[INFO] [stderr]   cargo:rerun-if-changed=data/ntstatus.txt
[INFO] [stderr]   cargo:rerun-if-changed=data/win32err.txt
[INFO] [stderr]   cargo:rerun-if-changed=data/dxgi.txt
[INFO] [stderr]   cargo:rerun-if-changed=data/d2d.txt
[INFO] [stderr]   cargo:rerun-if-changed=data/d3d11.txt
[INFO] [stderr]   cargo:rerun-if-changed=data/wincodec.txt
[INFO] [stderr]   cargo:rerun-if-changed=data/com.txt
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] running `Command { std: "docker" "inspect" "e9c3bc17dd35dbc4b779a7c3873176100f89a0ac28c22b33f290979834a6ed2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c3bc17dd35dbc4b779a7c3873176100f89a0ac28c22b33f290979834a6ed2d", kill_on_drop: false }`
[INFO] [stdout] e9c3bc17dd35dbc4b779a7c3873176100f89a0ac28c22b33f290979834a6ed2d