[INFO] cloning repository https://github.com/Anexen/pyxirr-mixed-python-rust-project-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Anexen/pyxirr-mixed-python-rust-project-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnexen%2Fpyxirr-mixed-python-rust-project-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnexen%2Fpyxirr-mixed-python-rust-project-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec7338235e8cf8a875aa897fecc2470f1ec6f131
[INFO] testing Anexen/pyxirr-mixed-python-rust-project-example against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnexen%2Fpyxirr-mixed-python-rust-project-example" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Anexen/pyxirr-mixed-python-rust-project-example on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Anexen/pyxirr-mixed-python-rust-project-example
[INFO] finished tweaking git repo https://github.com/Anexen/pyxirr-mixed-python-rust-project-example
[INFO] tweaked toml for git repo https://github.com/Anexen/pyxirr-mixed-python-rust-project-example written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Anexen/pyxirr-mixed-python-rust-project-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] de56840621ec19c94d011342d9b1c1d8cea1ea4666fb5d8a0853f6a14d898d9f
[INFO] running `Command { std: "docker" "start" "-a" "de56840621ec19c94d011342d9b1c1d8cea1ea4666fb5d8a0853f6a14d898d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de56840621ec19c94d011342d9b1c1d8cea1ea4666fb5d8a0853f6a14d898d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de56840621ec19c94d011342d9b1c1d8cea1ea4666fb5d8a0853f6a14d898d9f", kill_on_drop: false }`
[INFO] [stdout] de56840621ec19c94d011342d9b1c1d8cea1ea4666fb5d8a0853f6a14d898d9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 201a52d756ff5b322624e03a4cb4414823f2a23fa309e2e9d017f18a7ba9833e
[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" "201a52d756ff5b322624e03a4cb4414823f2a23fa309e2e9d017f18a7ba9833e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]    Compiling inventory v0.1.6
[INFO] [stderr]    Compiling pyo3 v0.10.1
[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/pyo3-3605b62e8a2fec6d/build-script-build` (exit status: 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" "201a52d756ff5b322624e03a4cb4414823f2a23fa309e2e9d017f18a7ba9833e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "201a52d756ff5b322624e03a4cb4414823f2a23fa309e2e9d017f18a7ba9833e", kill_on_drop: false }`
[INFO] [stdout] 201a52d756ff5b322624e03a4cb4414823f2a23fa309e2e9d017f18a7ba9833e