[INFO] cloning repository https://github.com/lmammino/pyo3-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lmammino/pyo3-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flmammino%2Fpyo3-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flmammino%2Fpyo3-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f62ad59aff9b285bcaa577db9ff66c6f932479d
[INFO] testing lmammino/pyo3-experiment against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flmammino%2Fpyo3-experiment" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lmammino/pyo3-experiment
[INFO] finished tweaking git repo https://github.com/lmammino/pyo3-experiment
[INFO] tweaked toml for git repo https://github.com/lmammino/pyo3-experiment written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lmammino/pyo3-experiment on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lmammino/pyo3-experiment 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 pyo3-macros v0.18.2
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.18.2
[INFO] [stderr]   Downloaded pyo3-build-config v0.18.2
[INFO] [stderr]   Downloaded pyo3-ffi v0.18.2
[INFO] [stderr]   Downloaded pyo3 v0.18.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45310f7e15e2256e8bc703aef04f152c669ed59306283c7eaf1d4bcfbe7b67f2
[INFO] running `Command { std: "docker" "start" "-a" "45310f7e15e2256e8bc703aef04f152c669ed59306283c7eaf1d4bcfbe7b67f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45310f7e15e2256e8bc703aef04f152c669ed59306283c7eaf1d4bcfbe7b67f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45310f7e15e2256e8bc703aef04f152c669ed59306283c7eaf1d4bcfbe7b67f2", kill_on_drop: false }`
[INFO] [stdout] 45310f7e15e2256e8bc703aef04f152c669ed59306283c7eaf1d4bcfbe7b67f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 798186559e698f73b1ac2bafa5acdc535b8b73bf6d00dbc0eb75eee6a03b4c96
[INFO] running `Command { std: "docker" "start" "-a" "798186559e698f73b1ac2bafa5acdc535b8b73bf6d00dbc0eb75eee6a03b4c96", kill_on_drop: false }`
[INFO] [stderr] error: cannot produce cdylib for `pyo3_streaming_exercise v0.1.0 (/opt/rustwide/workdir)` as the target `x86_64-unknown-linux-musl` does not support these crate types
[INFO] running `Command { std: "docker" "inspect" "798186559e698f73b1ac2bafa5acdc535b8b73bf6d00dbc0eb75eee6a03b4c96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "798186559e698f73b1ac2bafa5acdc535b8b73bf6d00dbc0eb75eee6a03b4c96", kill_on_drop: false }`
[INFO] [stdout] 798186559e698f73b1ac2bafa5acdc535b8b73bf6d00dbc0eb75eee6a03b4c96