[INFO] crate array-vec 0.1.3 is already in cache
[INFO] checking array-vec-0.1.3 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate array-vec 0.1.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate array-vec 0.1.3 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate array-vec 0.1.3
[INFO] finished tweaking crates.io crate array-vec 0.1.3
[INFO] tweaked toml for crates.io crate array-vec 0.1.3 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 26c8799d28301af7d94c9a2431748ccfc5245c6e9d3dc6ab96f4ee881969f632
[INFO] running `"docker" "start" "-a" "26c8799d28301af7d94c9a2431748ccfc5245c6e9d3dc6ab96f4ee881969f632"`
[INFO] [stderr]     Checking array-vec v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the feature `const_generics` is incomplete and may cause the compiler to crash
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(const_generics, specialization, maybe_uninit_extra, maybe_uninit_slice)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `const_generics` is incomplete and may cause the compiler to crash
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(const_generics, specialization, maybe_uninit_extra, maybe_uninit_slice)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `IntoIter`
[INFO] [stderr]  --> src/test.rs:1:23
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::{ArrayVec, IntoIter};
[INFO] [stderr]   |                       ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]  --> src/test.rs:5:27
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let a = ArrayVec::<_, { 5 }>::from([10, 20, 30, 40, 50]);
[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 const expression
[INFO] [stderr]   --> src/test.rs:21:33
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut a = ArrayVec::<i32, { 5 }>::default();
[INFO] [stderr]    |                                 ^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "26c8799d28301af7d94c9a2431748ccfc5245c6e9d3dc6ab96f4ee881969f632"`
[INFO] running `"docker" "rm" "-f" "26c8799d28301af7d94c9a2431748ccfc5245c6e9d3dc6ab96f4ee881969f632"`
[INFO] [stdout] 26c8799d28301af7d94c9a2431748ccfc5245c6e9d3dc6ab96f4ee881969f632