[INFO] fetching crate pinar-derive 0.2.0...
[INFO] testing pinar-derive-0.2.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate pinar-derive 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate pinar-derive 0.2.0
[INFO] finished tweaking crates.io crate pinar-derive 0.2.0
[INFO] tweaked toml for crates.io crate pinar-derive 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pinar-derive 0.2.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1fd3e414bff39bbc697d76e5c7a84e94b188c219cf340dd37f0fe2fc75afb21
[INFO] running `Command { std: "docker" "start" "-a" "f1fd3e414bff39bbc697d76e5c7a84e94b188c219cf340dd37f0fe2fc75afb21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1fd3e414bff39bbc697d76e5c7a84e94b188c219cf340dd37f0fe2fc75afb21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1fd3e414bff39bbc697d76e5c7a84e94b188c219cf340dd37f0fe2fc75afb21", kill_on_drop: false }`
[INFO] [stdout] f1fd3e414bff39bbc697d76e5c7a84e94b188c219cf340dd37f0fe2fc75afb21
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb4d7a08778ed5cb704c000eed9827b6994348573514f83360694baccaf4ca0d
[INFO] running `Command { std: "docker" "start" "-a" "bb4d7a08778ed5cb704c000eed9827b6994348573514f83360694baccaf4ca0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling pinar-derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]    --> src/lib.rs:496:10
[INFO] [stdout]     |
[INFO] [stdout] 496 | use syn::export::TokenStream2;
[INFO] [stdout]     |          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]    --> src/lib.rs:773:10
[INFO] [stdout]     |
[INFO] [stdout] 773 | use syn::export::Span;
[INFO] [stdout]     |          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pinar-derive` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "bb4d7a08778ed5cb704c000eed9827b6994348573514f83360694baccaf4ca0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb4d7a08778ed5cb704c000eed9827b6994348573514f83360694baccaf4ca0d", kill_on_drop: false }`
[INFO] [stdout] bb4d7a08778ed5cb704c000eed9827b6994348573514f83360694baccaf4ca0d