[INFO] fetching crate perspective-python 3.6.1...
[INFO] testing perspective-python-3.6.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] extracting crate perspective-python 3.6.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate perspective-python 3.6.1
[INFO] finished tweaking crates.io crate perspective-python 3.6.1
[INFO] tweaked toml for crates.io crate perspective-python 3.6.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate perspective-python 3.6.1 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 crates.io crate perspective-python 3.6.1 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]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding perspective-client v3.6.1
[INFO] [stderr]       Adding perspective-server v3.6.1
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded target-lexicon v0.12.14
[INFO] [stderr]   Downloaded unindent v0.2.3
[INFO] [stderr]   Downloaded pythonize v0.23.0
[INFO] [stderr]   Downloaded pyo3-macros v0.23.4
[INFO] [stderr]   Downloaded macro_rules_attribute-proc_macro v0.2.0
[INFO] [stderr]   Downloaded extend v1.2.0
[INFO] [stderr]   Downloaded pyo3-build-config v0.23.4
[INFO] [stderr]   Downloaded ts-rs v10.0.0
[INFO] [stderr]   Downloaded prettyplease v0.2.20
[INFO] [stderr]   Downloaded pyo3-ffi v0.23.4
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.23.4
[INFO] [stderr]   Downloaded perspective-client v3.6.1
[INFO] [stderr]   Downloaded pyo3-async-runtimes v0.23.0
[INFO] [stderr]   Downloaded ts-rs-macros v10.0.0
[INFO] [stderr]   Downloaded pyo3-async-runtimes-macros v0.23.0
[INFO] [stderr]   Downloaded macro_rules_attribute v0.2.0
[INFO] [stderr]   Downloaded link-cplusplus v1.0.9
[INFO] [stderr]   Downloaded serde_bytes v0.11.14
[INFO] [stderr]   Downloaded python-config-rs v0.1.2
[INFO] [stderr]   Downloaded perspective-server v3.6.1
[INFO] [stderr]   Downloaded pyo3 v0.23.4
[INFO] [stderr]   Downloaded protobuf-src v2.0.1+26.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e9cdc30fcc8b56cbdc1f98a7d885b297103bcc197a1258e32d1434cbcce191bd
[INFO] running `Command { std: "docker" "start" "-a" "e9cdc30fcc8b56cbdc1f98a7d885b297103bcc197a1258e32d1434cbcce191bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9cdc30fcc8b56cbdc1f98a7d885b297103bcc197a1258e32d1434cbcce191bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9cdc30fcc8b56cbdc1f98a7d885b297103bcc197a1258e32d1434cbcce191bd", kill_on_drop: false }`
[INFO] [stdout] e9cdc30fcc8b56cbdc1f98a7d885b297103bcc197a1258e32d1434cbcce191bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c59ba9db4306c048e06dd60bb80ebdfe510c794b67f11bbc45ab56ecf7e6c15c
[INFO] running `Command { std: "docker" "start" "-a" "c59ba9db4306c048e06dd60bb80ebdfe510c794b67f11bbc45ab56ecf7e6c15c", kill_on_drop: false }`
[INFO] [stderr] error: cannot produce cdylib for `perspective-python v3.6.1 (/opt/rustwide/workdir)` as the target `x86_64-unknown-linux-musl` does not support these crate types
[INFO] running `Command { std: "docker" "inspect" "c59ba9db4306c048e06dd60bb80ebdfe510c794b67f11bbc45ab56ecf7e6c15c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c59ba9db4306c048e06dd60bb80ebdfe510c794b67f11bbc45ab56ecf7e6c15c", kill_on_drop: false }`
[INFO] [stdout] c59ba9db4306c048e06dd60bb80ebdfe510c794b67f11bbc45ab56ecf7e6c15c