[INFO] crate structural 0.2.2 is already in cache
[INFO] checking structural-0.2.2 against try#3738e44c8fffe9e1fdfda9304a4df74ce7b29152 for pr-68746
[INFO] extracting crate structural 0.2.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate structural 0.2.2 on toolchain 3738e44c8fffe9e1fdfda9304a4df74ce7b29152
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3738e44c8fffe9e1fdfda9304a4df74ce7b29152" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate structural 0.2.2
[INFO] finished tweaking crates.io crate structural 0.2.2
[INFO] tweaked toml for crates.io crate structural 0.2.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3738e44c8fffe9e1fdfda9304a4df74ce7b29152" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3738e44c8fffe9e1fdfda9304a4df74ce7b29152" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+3738e44c8fffe9e1fdfda9304a4df74ce7b29152" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4ac28ad08e82dbcbc68c7094849ee42a9b4c31af7de84f9e912b6dc14d6cb00a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "4ac28ad08e82dbcbc68c7094849ee42a9b4c31af7de84f9e912b6dc14d6cb00a"`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling core_extensions v0.1.13
[INFO] [stderr]    Compiling as_derive_utils v0.8.1
[INFO] [stderr]    Compiling structural_derive v0.2.1
[INFO] [stderr]     Checking structural v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: tests must be run with the "testing" feature
[INFO] [stderr]    --> src/lib.rs:447:1
[INFO] [stderr]     |
[INFO] [stderr] 447 | compile_error!{ "tests must be run with the \"testing\" feature" }
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `structural`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4ac28ad08e82dbcbc68c7094849ee42a9b4c31af7de84f9e912b6dc14d6cb00a"`
[INFO] running `"docker" "rm" "-f" "4ac28ad08e82dbcbc68c7094849ee42a9b4c31af7de84f9e912b6dc14d6cb00a"`
[INFO] [stdout] 4ac28ad08e82dbcbc68c7094849ee42a9b4c31af7de84f9e912b6dc14d6cb00a