[INFO] fetching crate fid 0.1.4...
[INFO] checking fid-0.1.4 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate fid 0.1.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate fid 0.1.4 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fid 0.1.4
[INFO] finished tweaking crates.io crate fid 0.1.4
[INFO] tweaked toml for crates.io crate fid 0.1.4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 80573ac2af322a8c67cba22d04fc72d1ae6004ef0ba638cfd4e6e86902ad9c51
[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" "80573ac2af322a8c67cba22d04fc72d1ae6004ef0ba638cfd4e6e86902ad9c51"`
[INFO] [stderr]    Compiling fid v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bincode v1.2.0
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/bit_vector.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / /// Include two constant arrays generated by `build.rs`.
[INFO] [stderr] 14 | | /// ```
[INFO] [stderr] 15 | | /// const COMBINATION: [[u64; SBLOCK_WIDTH + 1]; SBLOCK_WIDTH + 1];
[INFO] [stderr] 16 | | /// const CODE_SIZE: [usize; SBLOCK_WIDTH + 1];
[INFO] [stderr] 17 | | /// ```
[INFO] [stderr]    | |_______^
[INFO] [stderr] 18 |   include!(concat!(env!("OUT_DIR"), "/const.rs"));
[INFO] [stderr]    |   ------------------------------------------------ rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/bit_vector.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / /// Include two constant arrays generated by `build.rs`.
[INFO] [stderr] 14 | | /// ```
[INFO] [stderr] 15 | | /// const COMBINATION: [[u64; SBLOCK_WIDTH + 1]; SBLOCK_WIDTH + 1];
[INFO] [stderr] 16 | | /// const CODE_SIZE: [usize; SBLOCK_WIDTH + 1];
[INFO] [stderr] 17 | | /// ```
[INFO] [stderr]    | |_______^
[INFO] [stderr] 18 |   include!(concat!(env!("OUT_DIR"), "/const.rs"));
[INFO] [stderr]    |   ------------------------------------------------ rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `"docker" "inspect" "80573ac2af322a8c67cba22d04fc72d1ae6004ef0ba638cfd4e6e86902ad9c51"`
[INFO] running `"docker" "rm" "-f" "80573ac2af322a8c67cba22d04fc72d1ae6004ef0ba638cfd4e6e86902ad9c51"`
[INFO] [stdout] 80573ac2af322a8c67cba22d04fc72d1ae6004ef0ba638cfd4e6e86902ad9c51