[INFO] crate index_vec 0.1.0 is already in cache
[INFO] checking index_vec-0.1.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate index_vec 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate index_vec 0.1.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate index_vec 0.1.0
[INFO] finished tweaking crates.io crate index_vec 0.1.0
[INFO] tweaked toml for crates.io crate index_vec 0.1.0 written to /workspace/builds/worker-1/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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 4549e6d732197cc9df486b75d6b1aeec191757716f5b5ac8ea4b52ab74383657
[INFO] running `"docker" "start" "-a" "4549e6d732197cc9df486b75d6b1aeec191757716f5b5ac8ea4b52ab74383657"`
[INFO] [stderr]     Checking index_vec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/idxslice.rs:56:48
[INFO] [stderr]    |
[INFO] [stderr] 56 | type SliceMapped<Iter, I, T> = iter::Map<Iter, (fn(&[T]) -> &IndexSlice<I, [T]>)>;
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/idxslice.rs:57:51
[INFO] [stderr]    |
[INFO] [stderr] 57 | type SliceMappedMut<Iter, I, T> = iter::Map<Iter, (fn(&mut [T]) -> &mut IndexSlice<I, [T]>)>;
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:239:64
[INFO] [stderr]     |
[INFO] [stderr] 239 | type Enumerated<Iter, I, T> = iter::Map<iter::Enumerate<Iter>, (fn((usize, T)) -> (I, T))>;
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/idxslice.rs:56:48
[INFO] [stderr]    |
[INFO] [stderr] 56 | type SliceMapped<Iter, I, T> = iter::Map<Iter, (fn(&[T]) -> &IndexSlice<I, [T]>)>;
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/idxslice.rs:57:51
[INFO] [stderr]    |
[INFO] [stderr] 57 | type SliceMappedMut<Iter, I, T> = iter::Map<Iter, (fn(&mut [T]) -> &mut IndexSlice<I, [T]>)>;
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:239:64
[INFO] [stderr]     |
[INFO] [stderr] 239 | type Enumerated<Iter, I, T> = iter::Map<iter::Enumerate<Iter>, (fn((usize, T)) -> (I, T))>;
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `"docker" "inspect" "4549e6d732197cc9df486b75d6b1aeec191757716f5b5ac8ea4b52ab74383657"`
[INFO] running `"docker" "rm" "-f" "4549e6d732197cc9df486b75d6b1aeec191757716f5b5ac8ea4b52ab74383657"`
[INFO] [stdout] 4549e6d732197cc9df486b75d6b1aeec191757716f5b5ac8ea4b52ab74383657