[INFO] crate inert 0.3.0 is already in cache
[INFO] checking inert-0.3.0 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate inert 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate inert 0.3.0 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate inert 0.3.0
[INFO] removed 1 missing tests
[INFO] finished tweaking crates.io crate inert 0.3.0
[INFO] tweaked toml for crates.io crate inert 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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] 1d0c4d91edac255ec3bbe25b410cc3fe911ad401eec6cc66afd5c07e29ebefaa
[INFO] running `"docker" "start" "-a" "1d0c4d91edac255ec3bbe25b410cc3fe911ad401eec6cc66afd5c07e29ebefaa"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling inert_derive v0.1.4
[INFO] [stderr]     Checking inert v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:736:27
[INFO] [stderr]     |
[INFO] [stderr] 736 |               type Output = ($(Inert<$p>),*);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] ...
[INFO] [stderr] 758 | / neutralize_tuple! {
[INFO] [stderr] 759 | |     (),
[INFO] [stderr] 760 | |     (A),
[INFO] [stderr] 761 | |     (A, B),
[INFO] [stderr] ...   |
[INFO] [stderr] 771 | |     (A, B, C, D, E, F, G, H, I, J, K, L),
[INFO] [stderr] 772 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:736:27
[INFO] [stderr]     |
[INFO] [stderr] 736 |               type Output = ($(Inert<$p>),*);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] ...
[INFO] [stderr] 758 | / neutralize_tuple! {
[INFO] [stderr] 759 | |     (),
[INFO] [stderr] 760 | |     (A),
[INFO] [stderr] 761 | |     (A, B),
[INFO] [stderr] ...   |
[INFO] [stderr] 771 | |     (A, B, C, D, E, F, G, H, I, J, K, L),
[INFO] [stderr] 772 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0608]: cannot index into a value of type `&inert::Inert<std::vec::Vec<std::cell::RefCell<Node>>>`
[INFO] [stderr]   --> tests/refcells.rs:13:18
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let wrath = &inert.borrow().children()[4];
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0608]: cannot index into a value of type `&inert::Inert<std::vec::Vec<std::cell::RefCell<Node>>>`
[INFO] [stderr]   --> tests/refcells.rs:19:31
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let best_language_ever = &inert.borrow().children()[0].borrow().children()[0];
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0608`.
[INFO] [stderr] error: could not compile `inert`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1d0c4d91edac255ec3bbe25b410cc3fe911ad401eec6cc66afd5c07e29ebefaa"`
[INFO] running `"docker" "rm" "-f" "1d0c4d91edac255ec3bbe25b410cc3fe911ad401eec6cc66afd5c07e29ebefaa"`
[INFO] [stdout] 1d0c4d91edac255ec3bbe25b410cc3fe911ad401eec6cc66afd5c07e29ebefaa