[INFO] fetching crate optbuilder 0.1.1...
[INFO] extracting crate optbuilder 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/optbuilder/0.1.1
[INFO] extracting crate optbuilder 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/optbuilder/0.1.1
[INFO] validating manifest of optbuilder-0.1.1 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of optbuilder-0.1.1 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing optbuilder-0.1.1
[INFO] finished frobbing optbuilder-0.1.1
[INFO] frobbed toml for optbuilder-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/optbuilder/0.1.1/Cargo.toml
[INFO] started frobbing optbuilder-0.1.1
[INFO] finished frobbing optbuilder-0.1.1
[INFO] frobbed toml for optbuilder-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/optbuilder/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing optbuilder-0.1.1 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/optbuilder/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 5787545e023863c77d7a9badb598a97c274d4f24f35c3badc0fd21792abd653e
[INFO] running `"docker" "start" "-a" "5787545e023863c77d7a9badb598a97c274d4f24f35c3badc0fd21792abd653e"`
[INFO] [stderr]    Compiling optbuilder v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `"docker" "inspect" "5787545e023863c77d7a9badb598a97c274d4f24f35c3badc0fd21792abd653e"`
[INFO] running `"docker" "rm" "-f" "5787545e023863c77d7a9badb598a97c274d4f24f35c3badc0fd21792abd653e"`
[INFO] [stdout] 5787545e023863c77d7a9badb598a97c274d4f24f35c3badc0fd21792abd653e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/optbuilder/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d711b84e33a35967b6986beb45cfbfd593311903724d4d0dba14e13f496d4146
[INFO] running `"docker" "start" "-a" "d711b84e33a35967b6986beb45cfbfd593311903724d4d0dba14e13f496d4146"`
[INFO] [stderr]    Compiling optbuilder v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "d711b84e33a35967b6986beb45cfbfd593311903724d4d0dba14e13f496d4146"`
[INFO] running `"docker" "rm" "-f" "d711b84e33a35967b6986beb45cfbfd593311903724d4d0dba14e13f496d4146"`
[INFO] [stdout] d711b84e33a35967b6986beb45cfbfd593311903724d4d0dba14e13f496d4146
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/optbuilder/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 8a417c39235d25233f78d211934583e01013311771bbac79df049b41f6b24ef5
[INFO] running `"docker" "start" "-a" "8a417c39235d25233f78d211934583e01013311771bbac79df049b41f6b24ef5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/optbuilder-bb8049f2035db779
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lib-717ff240b8acfa21
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_many_attrs ... ok
[INFO] [stdout] test tests::test_with_attr ... 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 optbuilder
[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" "8a417c39235d25233f78d211934583e01013311771bbac79df049b41f6b24ef5"`
[INFO] running `"docker" "rm" "-f" "8a417c39235d25233f78d211934583e01013311771bbac79df049b41f6b24ef5"`
[INFO] [stdout] 8a417c39235d25233f78d211934583e01013311771bbac79df049b41f6b24ef5