[INFO] cloning repository https://github.com/johnthagen/rust-belt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnthagen/rust-belt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnthagen%2Frust-belt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnthagen%2Frust-belt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 045ef34b57b4ae6ac54d2faf657f95ae19c9a5e2
[INFO] testing johnthagen/rust-belt 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%2Fjohnthagen%2Frust-belt" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/johnthagen/rust-belt
[INFO] finished tweaking git repo https://github.com/johnthagen/rust-belt
[INFO] tweaked toml for git repo https://github.com/johnthagen/rust-belt written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/johnthagen/rust-belt 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/johnthagen/rust-belt 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]  Downloading crates ...
[INFO] [stderr]   Downloaded piston_window v0.124.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.86
[INFO] [stderr]   Downloaded piston-graphics_api_version v1.0.1
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.86
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.86
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.86
[INFO] [stderr]   Downloaded piston-float v1.0.1
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.53.1
[INFO] [stderr]   Downloaded piston-gfx_texture v0.42.0
[INFO] [stderr]   Downloaded current v0.1.2
[INFO] [stderr]   Downloaded piston2d-sprite v0.66.1
[INFO] [stderr]   Downloaded gfx v0.18.3
[INFO] [stderr]   Downloaded version-compare v0.0.10
[INFO] [stderr]   Downloaded serde_derive v1.0.163
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.81.0
[INFO] [stderr]   Downloaded png v0.17.8
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.86
[INFO] [stderr]   Downloaded flate2 v1.0.26
[INFO] [stderr]   Downloaded xml-rs v0.8.14
[INFO] [stderr]   Downloaded serde v1.0.163
[INFO] [stderr]   Downloaded piston2d-graphics v0.42.0
[INFO] [stderr]   Downloaded sdl2 v0.34.5
[INFO] [stderr]   Downloaded image v0.24.6
[INFO] [stderr]   Downloaded exr v1.6.4
[INFO] [stderr]   Downloaded libloading v0.8.0
[INFO] [stderr]   Downloaded net2 v0.2.38
[INFO] [stderr]   Downloaded rusttype v0.9.3
[INFO] [stderr]   Downloaded js-sys v0.3.63
[INFO] [stderr]   Downloaded spin_sleep v1.1.1
[INFO] [stderr]   Downloaded piston v0.53.2
[INFO] [stderr]   Downloaded simd-adler32 v0.3.5
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.76.0
[INFO] [stderr]   Downloaded cocoa-foundation v0.1.1
[INFO] [stderr]   Downloaded pistoncore-input v1.0.1
[INFO] [stderr]   Downloaded pistoncore-window v0.47.1
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.70.1
[INFO] [stderr]   Downloaded sdl2-sys v0.34.5
[INFO] [stderr]   Downloaded piston-ai_behavior v0.33.0
[INFO] [stderr]   Downloaded xdg v2.5.0
[INFO] [stderr]   Downloaded piston-viewport v1.0.2
[INFO] [stderr]   Downloaded piston-music v0.26.0
[INFO] [stderr]   Downloaded tiff v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 476cedb50538349d0db091d85896a56b37c8df14b18c5bed72453390a93d7b60
[INFO] running `Command { std: "docker" "start" "-a" "476cedb50538349d0db091d85896a56b37c8df14b18c5bed72453390a93d7b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "476cedb50538349d0db091d85896a56b37c8df14b18c5bed72453390a93d7b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "476cedb50538349d0db091d85896a56b37c8df14b18c5bed72453390a93d7b60", kill_on_drop: false }`
[INFO] [stdout] 476cedb50538349d0db091d85896a56b37c8df14b18c5bed72453390a93d7b60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2193a13eff272d86b4f79f0d9b794f419c2caf04b7372706f67463d5fab2736f
[INFO] running `Command { std: "docker" "start" "-a" "2193a13eff272d86b4f79f0d9b794f419c2caf04b7372706f67463d5fab2736f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling xml-rs v0.8.14
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling piston-float v1.0.1
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling libloading v0.8.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.5
[INFO] [stderr]    Compiling ttf-parser v0.15.2
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling piston-viewport v1.0.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.59/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling piston-graphics_api_version v1.0.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling flate2 v1.0.26
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2193a13eff272d86b4f79f0d9b794f419c2caf04b7372706f67463d5fab2736f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2193a13eff272d86b4f79f0d9b794f419c2caf04b7372706f67463d5fab2736f", kill_on_drop: false }`
[INFO] [stdout] 2193a13eff272d86b4f79f0d9b794f419c2caf04b7372706f67463d5fab2736f