[INFO] fetching crate pinar-derive 0.2.0...
[INFO] testing pinar-derive-0.2.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate pinar-derive 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pinar-derive 0.2.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d919bb25d1882e4b9c31a32c60dfedf99efcb37663d3387eb1944c3611b76541
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d919bb25d1882e4b9c31a32c60dfedf99efcb37663d3387eb1944c3611b76541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d919bb25d1882e4b9c31a32c60dfedf99efcb37663d3387eb1944c3611b76541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d919bb25d1882e4b9c31a32c60dfedf99efcb37663d3387eb1944c3611b76541", kill_on_drop: false }`
[INFO] [stdout] d919bb25d1882e4b9c31a32c60dfedf99efcb37663d3387eb1944c3611b76541
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 313a4833014c971c6da418d5e6e7a590b7b94ab32644583ff892306ac27105b9
[INFO] running `Command { std: "docker" "start" "-a" "313a4833014c971c6da418d5e6e7a590b7b94ab32644583ff892306ac27105b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[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] error: aborting due to 2 previous errors
[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` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "313a4833014c971c6da418d5e6e7a590b7b94ab32644583ff892306ac27105b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "313a4833014c971c6da418d5e6e7a590b7b94ab32644583ff892306ac27105b9", kill_on_drop: false }`
[INFO] [stdout] 313a4833014c971c6da418d5e6e7a590b7b94ab32644583ff892306ac27105b9
