[INFO] crate enum_extract 0.1.1 is already in cache
[INFO] extracting crate enum_extract 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/enum_extract/0.1.1
[INFO] extracting crate enum_extract 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/enum_extract/0.1.1
[INFO] validating manifest of enum_extract-0.1.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of enum_extract-0.1.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing enum_extract-0.1.1
[INFO] finished frobbing enum_extract-0.1.1
[INFO] frobbed toml for enum_extract-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/enum_extract/0.1.1/Cargo.toml
[INFO] started frobbing enum_extract-0.1.1
[INFO] finished frobbing enum_extract-0.1.1
[INFO] frobbed toml for enum_extract-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/enum_extract/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing enum_extract-0.1.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/enum_extract/0.1.1:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c1446ac4e26f98e863823f4e24f1b0d3dc20940e6f05b80594c0673c83390710
[INFO] running `"docker" "start" "-a" "c1446ac4e26f98e863823f4e24f1b0d3dc20940e6f05b80594c0673c83390710"`
[INFO] [stderr]    Compiling enum_extract v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `"docker" "inspect" "c1446ac4e26f98e863823f4e24f1b0d3dc20940e6f05b80594c0673c83390710"`
[INFO] running `"docker" "rm" "-f" "c1446ac4e26f98e863823f4e24f1b0d3dc20940e6f05b80594c0673c83390710"`
[INFO] [stdout] c1446ac4e26f98e863823f4e24f1b0d3dc20940e6f05b80594c0673c83390710
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/enum_extract/0.1.1:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3a8df82bce14c7feb8cbae91c72cd2f91bb59ef1445ef418d4d1662afa890320
[INFO] running `"docker" "start" "-a" "3a8df82bce14c7feb8cbae91c72cd2f91bb59ef1445ef418d4d1662afa890320"`
[INFO] [stderr]    Compiling enum_extract v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:105:40
[INFO] [stderr]     |
[INFO] [stderr] 105 |             $($p)::+ {$($i),*} => Some(($($i),*)),
[INFO] [stderr]     |                                        ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] ...
[INFO] [stderr] 327 |         let x = extract!(Bar::D{z}, f);
[INFO] [stderr]     |                 ---------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "3a8df82bce14c7feb8cbae91c72cd2f91bb59ef1445ef418d4d1662afa890320"`
[INFO] running `"docker" "rm" "-f" "3a8df82bce14c7feb8cbae91c72cd2f91bb59ef1445ef418d4d1662afa890320"`
[INFO] [stdout] 3a8df82bce14c7feb8cbae91c72cd2f91bb59ef1445ef418d4d1662afa890320
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/enum_extract/0.1.1:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 9a038c444f696dbce2ae6cf663d88cd9a1e1e337844a7c05dc9996b8594352d9
[INFO] running `"docker" "start" "-a" "9a038c444f696dbce2ae6cf663d88cd9a1e1e337844a7c05dc9996b8594352d9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/enum_extract-179b1ac8497a1cdb
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test ... ok
[INFO] [stdout] test test::alternate_result ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests enum_extract
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - extract (line 12) ... ignored
[INFO] [stdout] test src/lib.rs - let_extract (line 131) ... ignored
[INFO] [stdout] test src/lib.rs - let_extract (line 161) ... ok
[INFO] [stdout] test src/lib.rs - let_extract (line 197) ... ok
[INFO] [stdout] test src/lib.rs - extract (line 65) ... ok
[INFO] [stdout] test src/lib.rs - extract (line 24) ... ok
[INFO] [stdout] test src/lib.rs - let_extract (line 179) ... ok
[INFO] [stdout] test src/lib.rs - extract (line 43) ... ok
[INFO] [stdout] test src/lib.rs - let_extract (line 143) ... ok
[INFO] [stdout] test src/lib.rs - let_extract (line 219) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9a038c444f696dbce2ae6cf663d88cd9a1e1e337844a7c05dc9996b8594352d9"`
[INFO] running `"docker" "rm" "-f" "9a038c444f696dbce2ae6cf663d88cd9a1e1e337844a7c05dc9996b8594352d9"`
[INFO] [stdout] 9a038c444f696dbce2ae6cf663d88cd9a1e1e337844a7c05dc9996b8594352d9