[INFO] fetching crate next-gen_proc-macro 0.0.9...
[INFO] checking next-gen_proc-macro-0.0.9 against try#89c05fd3cc6404a13e1bd71450c6132a2755fa4b for pr-69741
[INFO] extracting crate next-gen_proc-macro 0.0.9 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate next-gen_proc-macro 0.0.9 on toolchain 89c05fd3cc6404a13e1bd71450c6132a2755fa4b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate next-gen_proc-macro 0.0.9
[INFO] finished tweaking crates.io crate next-gen_proc-macro 0.0.9
[INFO] tweaked toml for crates.io crate next-gen_proc-macro 0.0.9 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "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] 884fa80b22e31ee6c1a91648ffdeb291b47a6ee4322a6c15ab1bbf6d5d576f8f
[INFO] running `"docker" "start" "-a" "884fa80b22e31ee6c1a91648ffdeb291b47a6ee4322a6c15ab1bbf6d5d576f8f"`
[INFO] [stderr]    Compiling fstrings-proc-macro v0.2.2
[INFO] [stderr]     Checking fstrings v0.2.2
[INFO] [stderr]     Checking next-gen_proc-macro v0.0.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.75s
[INFO] running `"docker" "inspect" "884fa80b22e31ee6c1a91648ffdeb291b47a6ee4322a6c15ab1bbf6d5d576f8f"`
[INFO] running `"docker" "rm" "-f" "884fa80b22e31ee6c1a91648ffdeb291b47a6ee4322a6c15ab1bbf6d5d576f8f"`
[INFO] [stdout] 884fa80b22e31ee6c1a91648ffdeb291b47a6ee4322a6c15ab1bbf6d5d576f8f