[INFO] crate structural 0.3.1 is already in cache
[INFO] checking structural-0.3.1 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate structural 0.3.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate structural 0.3.1 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate structural 0.3.1
[INFO] finished tweaking crates.io crate structural 0.3.1
[INFO] tweaked toml for crates.io crate structural 0.3.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] f4697220a4db1ddfcdbb5922759bd57fa9e3d49043ce3473d7590b0b54bb646e
[INFO] running `"docker" "start" "-a" "f4697220a4db1ddfcdbb5922759bd57fa9e3d49043ce3473d7590b0b54bb646e"`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling typed-arena v1.5.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling core_extensions v0.1.16
[INFO] [stderr]    Compiling as_derive_utils v0.8.2
[INFO] [stderr]    Compiling structural_derive v0.3.1
[INFO] [stderr]     Checking structural v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: tests must be run with the "testing" feature
[INFO] [stderr]    --> src/lib.rs:764:1
[INFO] [stderr]     |
[INFO] [stderr] 764 | compile_error! { "tests must be run with the \"testing\" feature" }
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `crate::for_examples::EnumOptFlying`, `crate::for_examples::EnumOptFlying_SI`
[INFO] [stderr]  --> src/tests/delegation.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 |     for_examples::{EnumOptFlying, EnumOptFlying_SI},
[INFO] [stderr]   |                    ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^ no `EnumOptFlying_SI` in `for_examples`
[INFO] [stderr]   |                    |
[INFO] [stderr]   |                    no `EnumOptFlying` in `for_examples`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `crate::for_examples::Variants`
[INFO] [stderr]  --> src/tests/rev_field_traits.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     for_examples::Variants, fp, path::UniquePaths, FieldPathSet, NestedFieldPath,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^ no `Variants` in `for_examples`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]    --> src/macros/switch.rs:987:9
[INFO] [stderr]     |
[INFO] [stderr] 987 |         $expr
[INFO] [stderr]     |         ^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]    --> src/macros/switch.rs:987:9
[INFO] [stderr]     |
[INFO] [stderr] 987 |         $expr
[INFO] [stderr]     |         ^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors; 2 warnings emitted
[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" "f4697220a4db1ddfcdbb5922759bd57fa9e3d49043ce3473d7590b0b54bb646e"`
[INFO] running `"docker" "rm" "-f" "f4697220a4db1ddfcdbb5922759bd57fa9e3d49043ce3473d7590b0b54bb646e"`
[INFO] [stdout] f4697220a4db1ddfcdbb5922759bd57fa9e3d49043ce3473d7590b0b54bb646e