[INFO] fetching crate nature-demo 1.5.0...
[INFO] testing nature-demo-1.5.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate nature-demo 1.5.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate nature-demo 1.5.0
[INFO] finished tweaking crates.io crate nature-demo 1.5.0
[INFO] tweaked toml for crates.io crate nature-demo 1.5.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nature-demo 1.5.0 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 nature-demo 1.5.0 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rkyv_derive v0.7.39
[INFO] [stderr]   Downloaded bytecheck_derive v0.6.9
[INFO] [stderr]   Downloaded bytecheck v0.6.9
[INFO] [stderr]   Downloaded frunk_proc_macros_impl v0.1.1
[INFO] [stderr]   Downloaded rend v0.3.6
[INFO] [stderr]   Downloaded frunk_derives v0.4.1
[INFO] [stderr]   Downloaded frunk_proc_macro_helpers v0.1.1
[INFO] [stderr]   Downloaded zstd-safe v6.0.2+zstd.1.5.2
[INFO] [stderr]   Downloaded priority-queue v1.3.0
[INFO] [stderr]   Downloaded zstd v0.12.2+zstd.1.5.2
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.87
[INFO] [stderr]   Downloaded security-framework v2.8.1
[INFO] [stderr]   Downloaded cxx-build v1.0.87
[INFO] [stderr]   Downloaded rkyv v0.7.39
[INFO] [stderr]   Downloaded mysql_common v0.29.2
[INFO] [stderr]   Downloaded rust_decimal v1.28.0
[INFO] [stderr]   Downloaded frunk_core v0.4.1
[INFO] [stderr]   Downloaded frunk v0.4.1
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.87
[INFO] [stderr]   Downloaded nature v1.5.0
[INFO] [stderr]   Downloaded mysql_async v0.31.2
[INFO] [stderr]   Downloaded frunk_proc_macros v0.1.1
[INFO] [stderr]   Downloaded cxx v1.0.87
[INFO] [stderr]   Downloaded zstd-sys v2.0.5+zstd.1.5.2
[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] a8cbc05cfaea2d6a4ffd5499339f1214282a68271b51eedbc597437e1730e715
[INFO] running `Command { std: "docker" "start" "-a" "a8cbc05cfaea2d6a4ffd5499339f1214282a68271b51eedbc597437e1730e715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8cbc05cfaea2d6a4ffd5499339f1214282a68271b51eedbc597437e1730e715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8cbc05cfaea2d6a4ffd5499339f1214282a68271b51eedbc597437e1730e715", kill_on_drop: false }`
[INFO] [stdout] a8cbc05cfaea2d6a4ffd5499339f1214282a68271b51eedbc597437e1730e715
[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] 5900e4341e4c68ed3eac7f61ec37285fd298b77825f474da83517f07dd5091e2
[INFO] running `Command { std: "docker" "start" "-a" "5900e4341e4c68ed3eac7f61ec37285fd298b77825f474da83517f07dd5091e2", kill_on_drop: false }`
[INFO] [stderr] error: cannot produce cdylib for `nature-demo v1.5.0 (/opt/rustwide/workdir)` as the target `x86_64-unknown-linux-musl` does not support these crate types
[INFO] running `Command { std: "docker" "inspect" "5900e4341e4c68ed3eac7f61ec37285fd298b77825f474da83517f07dd5091e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5900e4341e4c68ed3eac7f61ec37285fd298b77825f474da83517f07dd5091e2", kill_on_drop: false }`
[INFO] [stdout] 5900e4341e4c68ed3eac7f61ec37285fd298b77825f474da83517f07dd5091e2