[INFO] fetching crate bevycheck 0.5.2...
[INFO] testing bevycheck-0.5.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate bevycheck 0.5.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate bevycheck 0.5.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate bevycheck 0.5.2
[INFO] tweaked toml for crates.io crate bevycheck 0.5.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bevycheck 0.5.2 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 bevycheck 0.5.2 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]  Downloading crates ...
[INFO] [stderr]   Downloaded bevy_utils_proc_macros v0.10.0
[INFO] [stderr]   Downloaded basic-toml v0.1.2
[INFO] [stderr]   Downloaded bevy_a11y v0.10.0
[INFO] [stderr]   Downloaded bevy_derive v0.10.0
[INFO] [stderr]   Downloaded bevy_ecs_macros v0.10.0
[INFO] [stderr]   Downloaded bevy_window v0.10.0
[INFO] [stderr]   Downloaded accesskit_winit v0.12.3
[INFO] [stderr]   Downloaded bevy_diagnostic v0.10.0
[INFO] [stderr]   Downloaded bevy_reflect_derive v0.10.0
[INFO] [stderr]   Downloaded wgpu-types v0.15.1
[INFO] [stderr]   Downloaded accesskit_macos v0.6.1
[INFO] [stderr]   Downloaded bevy_asset v0.10.0
[INFO] [stderr]   Downloaded sysinfo v0.28.2
[INFO] [stderr]   Downloaded bevy v0.10.0
[INFO] [stderr]   Downloaded bevy_pbr v0.10.0
[INFO] [stderr]   Downloaded bevy_reflect v0.10.0
[INFO] [stderr]   Downloaded bevy_render_macros v0.10.0
[INFO] [stderr]   Downloaded bevy_core v0.10.0
[INFO] [stderr]   Downloaded bevy_log v0.10.0
[INFO] [stderr]   Downloaded bevy_app v0.10.0
[INFO] [stderr]   Downloaded bevy_render v0.10.0
[INFO] [stderr]   Downloaded bevy_ecs v0.10.0
[INFO] [stderr]   Downloaded bevy_input v0.10.0
[INFO] [stderr]   Downloaded bevy_math v0.10.0
[INFO] [stderr]   Downloaded wgpu-hal v0.15.2
[INFO] [stderr]   Downloaded bevy_ptr v0.10.0
[INFO] [stderr]   Downloaded bevy_macro_utils v0.10.0
[INFO] [stderr]   Downloaded bevy_winit v0.10.0
[INFO] [stderr]   Downloaded bevy_core_pipeline v0.10.0
[INFO] [stderr]   Downloaded bevy_encase_derive v0.10.0
[INFO] [stderr]   Downloaded naga v0.11.0
[INFO] [stderr]   Downloaded bevy_mikktspace v0.10.0
[INFO] [stderr]   Downloaded bevy_hierarchy v0.10.0
[INFO] [stderr]   Downloaded bevy_transform v0.10.0
[INFO] [stderr]   Downloaded bevy_tasks v0.10.0
[INFO] [stderr]   Downloaded bevy_internal v0.10.0
[INFO] [stderr]   Downloaded serde_derive v1.0.153
[INFO] [stderr]   Downloaded serde v1.0.153
[INFO] [stderr]   Downloaded trybuild v1.0.79
[INFO] [stderr]   Downloaded bevy_time v0.10.0
[INFO] [stderr]   Downloaded bevy_utils v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9277a9c8eee31bae25c4ccc3c184e3ede8b09931f67b37c53e35c81ccbdbc88b
[INFO] running `Command { std: "docker" "start" "-a" "9277a9c8eee31bae25c4ccc3c184e3ede8b09931f67b37c53e35c81ccbdbc88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9277a9c8eee31bae25c4ccc3c184e3ede8b09931f67b37c53e35c81ccbdbc88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9277a9c8eee31bae25c4ccc3c184e3ede8b09931f67b37c53e35c81ccbdbc88b", kill_on_drop: false }`
[INFO] [stdout] 9277a9c8eee31bae25c4ccc3c184e3ede8b09931f67b37c53e35c81ccbdbc88b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9f1012d9b412997eb065efa8098a09d8c076afc96d7054f42cabfc3a75f344ec
[INFO] running `Command { std: "docker" "start" "-a" "9f1012d9b412997eb065efa8098a09d8c076afc96d7054f42cabfc3a75f344ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/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] [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] running `Command { std: "docker" "inspect" "9f1012d9b412997eb065efa8098a09d8c076afc96d7054f42cabfc3a75f344ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f1012d9b412997eb065efa8098a09d8c076afc96d7054f42cabfc3a75f344ec", kill_on_drop: false }`
[INFO] [stdout] 9f1012d9b412997eb065efa8098a09d8c076afc96d7054f42cabfc3a75f344ec