[INFO] fetching crate bian-proc 0.2.0...
[INFO] testing bian-proc-0.2.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate bian-proc 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate bian-proc 0.2.0
[INFO] finished tweaking crates.io crate bian-proc 0.2.0
[INFO] tweaked toml for crates.io crate bian-proc 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bian-proc 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--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]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.104)
[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] 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] 58b72e8d5f53bafb90ea8202a912032b5d1f3fbc427a35fedf1b5db8722b80c2
[INFO] running `Command { std: "docker" "start" "-a" "58b72e8d5f53bafb90ea8202a912032b5d1f3fbc427a35fedf1b5db8722b80c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58b72e8d5f53bafb90ea8202a912032b5d1f3fbc427a35fedf1b5db8722b80c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58b72e8d5f53bafb90ea8202a912032b5d1f3fbc427a35fedf1b5db8722b80c2", kill_on_drop: false }`
[INFO] [stdout] 58b72e8d5f53bafb90ea8202a912032b5d1f3fbc427a35fedf1b5db8722b80c2
[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] 4baf72a7ed13822d907d7a73a8803d257a6e37d22228531361922f835677b6ad
[INFO] running `Command { std: "docker" "start" "-a" "4baf72a7ed13822d907d7a73a8803d257a6e37d22228531361922f835677b6ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bian-proc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `syn::FnArg`, `syn::Pat`
[INFO] [stdout]    --> src/lib.rs:3:30
[INFO] [stdout]     |
[INFO] [stdout] 3   | use syn::{parse_macro_input, FnArg, Pat};
[INFO] [stdout]     |                              ^^^^^  ^^^
[INFO] [stdout]     |                              |      |
[INFO] [stdout]     |                              |      no `Pat` in the root
[INFO] [stdout]     |                              |      help: a similar name exists in the module: `Path`
[INFO] [stdout]     |                              no `FnArg` in the root
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs:363:5
[INFO] [stdout]     |
[INFO] [stdout] 363 |     FnArg, ForeignItem, ForeignItemFn, ForeignItemMacro, ForeignItemStatic, ForeignItemType,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] note: the item is gated behind the `full` feature
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs:361:7
[INFO] [stdout]     |
[INFO] [stdout] 361 | #[cfg(feature = "full")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs:417:15
[INFO] [stdout]     |
[INFO] [stdout] 417 |     FieldPat, Pat, PatBox, PatIdent, PatLit, PatMacro, PatOr, PatPath, PatRange, PatReference,
[INFO] [stdout]     |               ^^^
[INFO] [stdout] note: the item is gated behind the `full` feature
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs:415:7
[INFO] [stdout]     |
[INFO] [stdout] 415 | #[cfg(feature = "full")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ItemFn` in crate `syn`
[INFO] [stdout]    --> src/lib.rs:21:54
[INFO] [stdout]     |
[INFO] [stdout] 21  |     let mut api_fn = parse_macro_input!(item as syn::ItemFn);
[INFO] [stdout]     |                                                      ^^^^^^ not found in `syn`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs:365:32
[INFO] [stdout]     |
[INFO] [stdout] 365 |     ItemEnum, ItemExternCrate, ItemFn, ItemForeignMod, ItemImpl, ItemMacro, ItemMacro2, ItemMod,
[INFO] [stdout]     |                                ^^^^^^
[INFO] [stdout] note: the item is gated behind the `full` feature
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs:361:7
[INFO] [stdout]     |
[INFO] [stdout] 361 | #[cfg(feature = "full")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bian-proc` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4baf72a7ed13822d907d7a73a8803d257a6e37d22228531361922f835677b6ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4baf72a7ed13822d907d7a73a8803d257a6e37d22228531361922f835677b6ad", kill_on_drop: false }`
[INFO] [stdout] 4baf72a7ed13822d907d7a73a8803d257a6e37d22228531361922f835677b6ad