[INFO] fetching crate efficient_enum 0.3.1...
[INFO] extracting crate efficient_enum 0.3.1 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/efficient_enum/0.3.1
[INFO] extracting crate efficient_enum 0.3.1 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/efficient_enum/0.3.1
[INFO] validating manifest of efficient_enum-0.3.1 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of efficient_enum-0.3.1 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing efficient_enum-0.3.1
[INFO] finished frobbing efficient_enum-0.3.1
[INFO] frobbed toml for efficient_enum-0.3.1 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/efficient_enum/0.3.1/Cargo.toml
[INFO] started frobbing efficient_enum-0.3.1
[INFO] finished frobbing efficient_enum-0.3.1
[INFO] frobbed toml for efficient_enum-0.3.1 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/efficient_enum/0.3.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing efficient_enum-0.3.1 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/efficient_enum/0.3.1:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 27a44362b5492e09c2d9dd00d1bf0fae7c115ab2eaa8f71cb4a404b712355a42
[INFO] running `"docker" "start" "-a" "27a44362b5492e09c2d9dd00d1bf0fae7c115ab2eaa8f71cb4a404b712355a42"`
[INFO] [stderr]    Compiling efficient_enum v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "27a44362b5492e09c2d9dd00d1bf0fae7c115ab2eaa8f71cb4a404b712355a42"`
[INFO] running `"docker" "rm" "-f" "27a44362b5492e09c2d9dd00d1bf0fae7c115ab2eaa8f71cb4a404b712355a42"`
[INFO] [stdout] 27a44362b5492e09c2d9dd00d1bf0fae7c115ab2eaa8f71cb4a404b712355a42
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/efficient_enum/0.3.1:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0eccbd232456b564f837f13e947d7e2bbd87ae18ed8e2593859dc20b3db0025d
[INFO] running `"docker" "start" "-a" "0eccbd232456b564f837f13e947d7e2bbd87ae18ed8e2593859dc20b3db0025d"`
[INFO] [stderr]    Compiling efficient_enum v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "0eccbd232456b564f837f13e947d7e2bbd87ae18ed8e2593859dc20b3db0025d"`
[INFO] running `"docker" "rm" "-f" "0eccbd232456b564f837f13e947d7e2bbd87ae18ed8e2593859dc20b3db0025d"`
[INFO] [stdout] 0eccbd232456b564f837f13e947d7e2bbd87ae18ed8e2593859dc20b3db0025d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/efficient_enum/0.3.1:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] e29529be69244acfad2ee55d62e66d1e31d411772c3ff1693a1db3a828095507
[INFO] running `"docker" "start" "-a" "e29529be69244acfad2ee55d62e66d1e31d411772c3ff1693a1db3a828095507"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/efficient_enum-ffbdeb6c5d6bba33
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test option::tests::test_option_mut ... ok
[INFO] [stdout] test option::tests::test_option_simple ... ok
[INFO] [stdout] test option::tests::test_option_new ... ok
[INFO] [stdout] test option::tests::test_option_tuple_new ... ok
[INFO] [stdout] test option::tests::test_option_tuple_mut ... ok
[INFO] [stdout] test option::tests::test_option_tuple_simple ... ok
[INFO] [stdout] test option::tests::test_option_tuple_as_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests efficient_enum
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e29529be69244acfad2ee55d62e66d1e31d411772c3ff1693a1db3a828095507"`
[INFO] running `"docker" "rm" "-f" "e29529be69244acfad2ee55d62e66d1e31d411772c3ff1693a1db3a828095507"`
[INFO] [stdout] e29529be69244acfad2ee55d62e66d1e31d411772c3ff1693a1db3a828095507