[INFO] fetching crate worldgen 0.4.0...
[INFO] checking worldgen-0.4.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate worldgen 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate worldgen 0.4.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate worldgen 0.4.0
[INFO] finished tweaking crates.io crate worldgen 0.4.0
[INFO] tweaked toml for crates.io crate worldgen 0.4.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b18a67f21c70cfe0a92f19ff07bf022a4ee6515981097f5e1e13a82680c0f85a
[INFO] running `"docker" "start" "-a" "b18a67f21c70cfe0a92f19ff07bf022a4ee6515981097f5e1e13a82680c0f85a"`
[INFO] [stderr]    Compiling wrapping_macros v0.4.13
[INFO] [stderr] error[E0432]: unresolved import `syntax::codemap`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wrapping_macros-0.4.13/src/lib.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 | use syntax::codemap::Span;
[INFO] [stderr]   |             ^^^^^^^ could not find `codemap` in `syntax`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `syntax::ext::build::AstBuilder`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wrapping_macros-0.4.13/src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use syntax::ext::build::AstBuilder;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `AstBuilder` in `ext::build`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `syntax::fold`, `syntax::fold`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wrapping_macros-0.4.13/src/lib.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 | use syntax::fold::{self, Folder};
[INFO] [stderr]    |             ^^^^   ^^^^ no `fold` in the root
[INFO] [stderr]    |             |
[INFO] [stderr]    |             could not find `fold` in `syntax`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `syntax::tokenstream::Delimited`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wrapping_macros-0.4.13/src/lib.rs:16:27
[INFO] [stderr]    |
[INFO] [stderr] 16 | use syntax::tokenstream::{Delimited, TokenStream, TokenTree};
[INFO] [stderr]    |                           ^^^^^^^^^ no `Delimited` in `tokenstream`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `wrapping_macros`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b18a67f21c70cfe0a92f19ff07bf022a4ee6515981097f5e1e13a82680c0f85a"`
[INFO] running `"docker" "rm" "-f" "b18a67f21c70cfe0a92f19ff07bf022a4ee6515981097f5e1e13a82680c0f85a"`
[INFO] [stdout] b18a67f21c70cfe0a92f19ff07bf022a4ee6515981097f5e1e13a82680c0f85a