[INFO] fetching crate asterix-derive 0.2.5...
[INFO] checking asterix-derive-0.2.5 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate asterix-derive 0.2.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate asterix-derive 0.2.5 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate asterix-derive 0.2.5
[INFO] finished tweaking crates.io crate asterix-derive 0.2.5
[INFO] tweaked toml for crates.io crate asterix-derive 0.2.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cc30001db3115d6585b42a51920db7f32a04a61f6cd0eca3b59c8500a863968
[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" "2cc30001db3115d6585b42a51920db7f32a04a61f6cd0eca3b59c8500a863968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cc30001db3115d6585b42a51920db7f32a04a61f6cd0eca3b59c8500a863968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cc30001db3115d6585b42a51920db7f32a04a61f6cd0eca3b59c8500a863968", kill_on_drop: false }`
[INFO] [stdout] 2cc30001db3115d6585b42a51920db7f32a04a61f6cd0eca3b59c8500a863968
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19bfd987855c3faadf5dcd3d6c0dfa2576bb9c538a9aba386543ddfd7eb1cf8e
[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" "19bfd987855c3faadf5dcd3d6c0dfa2576bb9c538a9aba386543ddfd7eb1cf8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking quote v1.0.8
[INFO] [stderr]     Checking syn v1.0.58
[INFO] [stderr]     Checking asterix-derive v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]   --> src/lib.rs:73:76
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let ident = syn::Ident::new(&data_item.0.to_string(), syn::export::Span::call_site());
[INFO] [stdout]    |                                                                            ^^^^ not found in `syn::export`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use proc_macro::Span;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use proc_macro::bridge::server::Span;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use quote::__private::Span;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use syn::__private::Span;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]   --> src/lib.rs:73:76
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let ident = syn::Ident::new(&data_item.0.to_string(), syn::export::Span::call_site());
[INFO] [stdout]    |                                                                            ^^^^ not found in `syn::export`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use proc_macro::Span;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use proc_macro::bridge::server::Span;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use quote::__private::Span;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use syn::__private::Span;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `asterix-derive`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "19bfd987855c3faadf5dcd3d6c0dfa2576bb9c538a9aba386543ddfd7eb1cf8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19bfd987855c3faadf5dcd3d6c0dfa2576bb9c538a9aba386543ddfd7eb1cf8e", kill_on_drop: false }`
[INFO] [stdout] 19bfd987855c3faadf5dcd3d6c0dfa2576bb9c538a9aba386543ddfd7eb1cf8e