[INFO] fetching crate caniuse-db 1.0.30000909...
[INFO] extracting crate caniuse-db 1.0.30000909 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/caniuse-db/1.0.30000909
[INFO] extracting crate caniuse-db 1.0.30000909 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/caniuse-db/1.0.30000909
[INFO] validating manifest of caniuse-db-1.0.30000909 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of caniuse-db-1.0.30000909 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing caniuse-db-1.0.30000909
[INFO] finished frobbing caniuse-db-1.0.30000909
[INFO] frobbed toml for caniuse-db-1.0.30000909 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/caniuse-db/1.0.30000909/Cargo.toml
[INFO] started frobbing caniuse-db-1.0.30000909
[INFO] finished frobbing caniuse-db-1.0.30000909
[INFO] frobbed toml for caniuse-db-1.0.30000909 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/caniuse-db/1.0.30000909/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inflect v0.1.0
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking caniuse-db-1.0.30000909 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/caniuse-db/1.0.30000909:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4bd6b7259e9d6b4fb898f5e97cdceb9f5e5c404b64cd726c3f6524820f02af12
[INFO] running `"docker" "start" "-a" "4bd6b7259e9d6b4fb898f5e97cdceb9f5e5c404b64cd726c3f6524820f02af12"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling inflect v0.1.0
[INFO] [stderr]    Compiling caniuse-db v1.0.30000909 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/shared/mod.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 |   /// Vendor prefixes.
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 91 | / caniuse_enum!(Prefix, PREFIXES, PrefixVisitor, {
[INFO] [stderr] 92 | |     "ms" => Ms,
[INFO] [stderr] 93 | |     "moz" => Moz,
[INFO] [stderr] 94 | |     "webkit" => Webkit,
[INFO] [stderr] 95 | |     "o" => Opera,
[INFO] [stderr] 96 | | });
[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] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src/shared/mod.rs:51:23
[INFO] [stderr]    |
[INFO] [stderr] 14 |         )+
[INFO] [stderr]    |          - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 51 |                     $($exp => Ok($name::$v),)*
[INFO] [stderr]    |                       ^^^^                   - conflicting repetition
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src/shared/mod.rs:51:41
[INFO] [stderr]    |
[INFO] [stderr] 14 |         )+
[INFO] [stderr]    |          - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 51 |                     $($exp => Ok($name::$v),)*
[INFO] [stderr]    |                                         ^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/shared/support.rs:50:32
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 '#' | ' ' | '0'...'9' => continue, // ignore
[INFO] [stderr]    |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `caniuse-db`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4bd6b7259e9d6b4fb898f5e97cdceb9f5e5c404b64cd726c3f6524820f02af12"`
[INFO] running `"docker" "rm" "-f" "4bd6b7259e9d6b4fb898f5e97cdceb9f5e5c404b64cd726c3f6524820f02af12"`
[INFO] [stdout] 4bd6b7259e9d6b4fb898f5e97cdceb9f5e5c404b64cd726c3f6524820f02af12