[INFO] crate owasm-std 0.20.1 is already in cache
[INFO] extracting crate owasm-std 0.20.1 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/owasm-std/0.20.1
[INFO] extracting crate owasm-std 0.20.1 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/owasm-std/0.20.1
[INFO] validating manifest of owasm-std-0.20.1 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of owasm-std-0.20.1 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing owasm-std-0.20.1
[INFO] finished frobbing owasm-std-0.20.1
[INFO] frobbed toml for owasm-std-0.20.1 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/owasm-std/0.20.1/Cargo.toml
[INFO] started frobbing owasm-std-0.20.1
[INFO] finished frobbing owasm-std-0.20.1
[INFO] frobbed toml for owasm-std-0.20.1 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/owasm-std/0.20.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking owasm-std-0.20.1 against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-6/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/owasm-std/0.20.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9d525ccf0f02c14042a5771ab01818b5929278e203883b2b91ed0dab82e846a8
[INFO] running `"docker" "start" "-a" "9d525ccf0f02c14042a5771ab01818b5929278e203883b2b91ed0dab82e846a8"`
[INFO] [stderr]     Checking uint v0.6.1
[INFO] [stderr]     Checking owasm-std v0.20.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]  --> src/types.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / ///! Provides primitive fixed size hash types.
[INFO] [stderr] 2 | | ///! Based on https://github.com/paritytech/pwasm-std/blob/61db712/src/types.rs
[INFO] [stderr]   | |_______________________________________________________________________________^
[INFO] [stderr] 3 | 
[INFO] [stderr] 4 | / construct_uint! {
[INFO] [stderr] 5 | |     /// A 256-bits (4 64-bit word) fixed-size bigint type.
[INFO] [stderr] 6 | |     #[derive(Serialize, Deserialize)]
[INFO] [stderr] 7 | |     pub struct U256(4);
[INFO] [stderr] 8 | | }
[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/types.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / ///! Provides primitive fixed size hash types.
[INFO] [stderr] 2 | | ///! Based on https://github.com/paritytech/pwasm-std/blob/61db712/src/types.rs
[INFO] [stderr]   | |_______________________________________________________________________________^
[INFO] [stderr] 3 | 
[INFO] [stderr] 4 | / construct_uint! {
[INFO] [stderr] 5 | |     /// A 256-bits (4 64-bit word) fixed-size bigint type.
[INFO] [stderr] 6 | |     #[derive(Serialize, Deserialize)]
[INFO] [stderr] 7 | |     pub struct U256(4);
[INFO] [stderr] 8 | | }
[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 1.79s
[INFO] running `"docker" "inspect" "9d525ccf0f02c14042a5771ab01818b5929278e203883b2b91ed0dab82e846a8"`
[INFO] running `"docker" "rm" "-f" "9d525ccf0f02c14042a5771ab01818b5929278e203883b2b91ed0dab82e846a8"`
[INFO] [stdout] 9d525ccf0f02c14042a5771ab01818b5929278e203883b2b91ed0dab82e846a8