[INFO] crate structural 0.4.1 is already in cache
[INFO] checking structural-0.4.1 against master#f9fdf642bab2bfcabe1829a4c82aaf055330661b for pr-73102
[INFO] extracting crate structural 0.4.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate structural 0.4.1 on toolchain f9fdf642bab2bfcabe1829a4c82aaf055330661b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f9fdf642bab2bfcabe1829a4c82aaf055330661b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate structural 0.4.1
[INFO] finished tweaking crates.io crate structural 0.4.1
[INFO] tweaked toml for crates.io crate structural 0.4.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f9fdf642bab2bfcabe1829a4c82aaf055330661b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f9fdf642bab2bfcabe1829a4c82aaf055330661b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+f9fdf642bab2bfcabe1829a4c82aaf055330661b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 34dd30666f08d6f996f14b383ddaf841791f6bceaa929a8551bee77370bc684a
[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" "34dd30666f08d6f996f14b383ddaf841791f6bceaa929a8551bee77370bc684a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling typed-arena v1.5.0
[INFO] [stderr]    Compiling core_extensions v0.1.17
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling as_derive_utils v0.8.2
[INFO] [stderr]    Compiling structural_derive v0.4.0
[INFO] [stderr]     Checking structural v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: tests must be run with the "testing" feature
[INFO] [stderr]    --> src/lib.rs:788:1
[INFO] [stderr]     |
[INFO] [stderr] 788 | compile_error! { "tests must be run with the \"testing\" feature" }
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `crate::test_utils`
[INFO] [stderr]    --> src/field/array_impls.rs:323:24
[INFO] [stderr]     |
[INFO] [stderr] 323 |             use crate::test_utils::DecOnDrop;
[INFO] [stderr]     |                        ^^^^^^^^^^ maybe a missing crate `test_utils`?
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `structural`.
[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] [stderr] error: build failed
[INFO] running `"docker" "inspect" "34dd30666f08d6f996f14b383ddaf841791f6bceaa929a8551bee77370bc684a"`
[INFO] running `"docker" "rm" "-f" "34dd30666f08d6f996f14b383ddaf841791f6bceaa929a8551bee77370bc684a"`
[INFO] [stdout] 34dd30666f08d6f996f14b383ddaf841791f6bceaa929a8551bee77370bc684a