[INFO] fetching crate attribution-macros 0.1.0...
[INFO] extracting crate attribution-macros 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/attribution-macros/0.1.0
[INFO] extracting crate attribution-macros 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/attribution-macros/0.1.0
[INFO] validating manifest of attribution-macros-0.1.0 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 attribution-macros-0.1.0 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 attribution-macros-0.1.0
[INFO] finished frobbing attribution-macros-0.1.0
[INFO] frobbed toml for attribution-macros-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/attribution-macros/0.1.0/Cargo.toml
[INFO] started frobbing attribution-macros-0.1.0
[INFO] finished frobbing attribution-macros-0.1.0
[INFO] frobbed toml for attribution-macros-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/attribution-macros/0.1.0/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 attribution-macros-0.1.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/attribution-macros/0.1.0:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 76e7ea33f8d9a0dd4b27a81bf2648c3492e71a55bebd9650b6d521b4c987f317
[INFO] running `"docker" "start" "-a" "76e7ea33f8d9a0dd4b27a81bf2648c3492e71a55bebd9650b6d521b4c987f317"`
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling attribution-macros v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.66s
[INFO] running `"docker" "inspect" "76e7ea33f8d9a0dd4b27a81bf2648c3492e71a55bebd9650b6d521b4c987f317"`
[INFO] running `"docker" "rm" "-f" "76e7ea33f8d9a0dd4b27a81bf2648c3492e71a55bebd9650b6d521b4c987f317"`
[INFO] [stdout] 76e7ea33f8d9a0dd4b27a81bf2648c3492e71a55bebd9650b6d521b4c987f317
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/attribution-macros/0.1.0:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 38cc922593a165c6ec2d75804c8b4e0e0e9200862594dac6b118aab73c4d533a
[INFO] running `"docker" "start" "-a" "38cc922593a165c6ec2d75804c8b4e0e0e9200862594dac6b118aab73c4d533a"`
[INFO] [stderr]    Compiling attribution-macros v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "38cc922593a165c6ec2d75804c8b4e0e0e9200862594dac6b118aab73c4d533a"`
[INFO] running `"docker" "rm" "-f" "38cc922593a165c6ec2d75804c8b4e0e0e9200862594dac6b118aab73c4d533a"`
[INFO] [stdout] 38cc922593a165c6ec2d75804c8b4e0e0e9200862594dac6b118aab73c4d533a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/attribution-macros/0.1.0:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] aa34c01c56beddd045cc963aaeb5e3833eebcde5d25b89ed9e5590f0c1eeef8c
[INFO] running `"docker" "start" "-a" "aa34c01c56beddd045cc963aaeb5e3833eebcde5d25b89ed9e5590f0c1eeef8c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/attribution_macros-a608dc2770e4a196
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test extraction::tests::build_extractor_test ... ok
[INFO] [stdout] test field_spec::tests::try_from_test ... 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 attribution-macros
[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" "aa34c01c56beddd045cc963aaeb5e3833eebcde5d25b89ed9e5590f0c1eeef8c"`
[INFO] running `"docker" "rm" "-f" "aa34c01c56beddd045cc963aaeb5e3833eebcde5d25b89ed9e5590f0c1eeef8c"`
[INFO] [stdout] aa34c01c56beddd045cc963aaeb5e3833eebcde5d25b89ed9e5590f0c1eeef8c