[INFO] cloning repository https://github.com/Mangiang/PyO3HelloWorld
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mangiang/PyO3HelloWorld" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMangiang%2FPyO3HelloWorld", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMangiang%2FPyO3HelloWorld'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a51acc301f778f3b5beb4b54bfc2d445e31a976e
[INFO] documenting Mangiang/PyO3HelloWorld against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMangiang%2FPyO3HelloWorld" "/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/Mangiang/PyO3HelloWorld on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mangiang/PyO3HelloWorld
[INFO] finished tweaking git repo https://github.com/Mangiang/PyO3HelloWorld
[INFO] tweaked toml for git repo https://github.com/Mangiang/PyO3HelloWorld written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Mangiang/PyO3HelloWorld already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded piston v0.50.0
[INFO] [stderr]   Downloaded pistoncore-input v0.28.1
[INFO] [stderr]   Downloaded unindent v0.1.6
[INFO] [stderr]   Downloaded addr2line v0.12.2
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.50.0
[INFO] [stderr]   Downloaded indoc v0.3.6
[INFO] [stderr]   Downloaded png v0.16.5
[INFO] [stderr]   Downloaded inventory-impl v0.1.7
[INFO] [stderr]   Downloaded pyo3cls v0.10.1
[INFO] [stderr]   Downloaded image v0.23.6
[INFO] [stderr]   Downloaded pistoncore-window v0.45.0
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.64.0
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.10.1
[INFO] [stderr]   Downloaded pyo3 v0.10.1
[INFO] [stderr]   Downloaded indoc-impl v0.3.6
[INFO] [stderr]   Downloaded inventory v0.1.7
[INFO] [stderr]   Downloaded backtrace v0.3.49
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] fe3f9f5bc982f4c24098876cb87da9497aede0cf923c16ec258e45f67d73cd89
[INFO] running `Command { std: "docker" "start" "-a" "fe3f9f5bc982f4c24098876cb87da9497aede0cf923c16ec258e45f67d73cd89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe3f9f5bc982f4c24098876cb87da9497aede0cf923c16ec258e45f67d73cd89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe3f9f5bc982f4c24098876cb87da9497aede0cf923c16ec258e45f67d73cd89", kill_on_drop: false }`
[INFO] [stdout] fe3f9f5bc982f4c24098876cb87da9497aede0cf923c16ec258e45f67d73cd89
[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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c7a90db8d43230bb6e62e474867658db1f677612774943a050374dc2afb5b18
[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" "1c7a90db8d43230bb6e62e474867658db1f677612774943a050374dc2afb5b18", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling unindent v0.1.6
[INFO] [stderr]    Compiling inventory v0.1.7
[INFO] [stderr]    Compiling pyo3 v0.10.1
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking png v0.16.5
[INFO] [stderr]     Checking wayland-client v0.21.13
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr] error: failed to run custom build command for `pyo3 v0.10.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/pyo3-2107d7342b946098/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: "PyO3 requires a nightly or dev version of Rust."
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1c7a90db8d43230bb6e62e474867658db1f677612774943a050374dc2afb5b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c7a90db8d43230bb6e62e474867658db1f677612774943a050374dc2afb5b18", kill_on_drop: false }`
[INFO] [stdout] 1c7a90db8d43230bb6e62e474867658db1f677612774943a050374dc2afb5b18
