[INFO] crate iron-hmac 0.6.0 is already in cache
[INFO] extracting crate iron-hmac 0.6.0 into work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/iron-hmac/0.6.0
[INFO] extracting crate iron-hmac 0.6.0 into work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/reg/iron-hmac/0.6.0
[INFO] validating manifest of iron-hmac-0.6.0 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of iron-hmac-0.6.0 on toolchain try#74092351c05ae61047b2be02024415546595e974
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing iron-hmac-0.6.0
[INFO] finished frobbing iron-hmac-0.6.0
[INFO] frobbed toml for iron-hmac-0.6.0 written to work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/iron-hmac/0.6.0/Cargo.toml
[INFO] started frobbing iron-hmac-0.6.0
[INFO] finished frobbing iron-hmac-0.6.0
[INFO] frobbed toml for iron-hmac-0.6.0 written to work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/reg/iron-hmac/0.6.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking iron-hmac-0.6.0 against try#74092351c05ae61047b2be02024415546595e974 for pr-60174
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60174/worker-5/try#74092351c05ae61047b2be02024415546595e974:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/reg/iron-hmac/0.6.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 21ab9d620d6b23b7918691358c4403548bc681bcc8cc381885a9c042a5a18380
[INFO] running `"docker" "start" "-a" "21ab9d620d6b23b7918691358c4403548bc681bcc8cc381885a9c042a5a18380"`
[INFO] [stderr]     Checking iron-hmac v0.6.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> tests/lib.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | /// Hyper wrapper for the hmac header
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 20 | header! { (XHmac, HMAC_HEADER_NAME) => [String] }
[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 4.28s
[INFO] running `"docker" "inspect" "21ab9d620d6b23b7918691358c4403548bc681bcc8cc381885a9c042a5a18380"`
[INFO] running `"docker" "rm" "-f" "21ab9d620d6b23b7918691358c4403548bc681bcc8cc381885a9c042a5a18380"`
[INFO] [stdout] 21ab9d620d6b23b7918691358c4403548bc681bcc8cc381885a9c042a5a18380