[INFO] fetching crate abackus 0.2.1...
[INFO] extracting crate abackus 0.2.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/abackus/0.2.1
[INFO] extracting crate abackus 0.2.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/abackus/0.2.1
[INFO] validating manifest of abackus-0.2.1 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 abackus-0.2.1 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 abackus-0.2.1
[INFO] removed 0 missing examples
[INFO] finished frobbing abackus-0.2.1
[INFO] frobbed toml for abackus-0.2.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/abackus/0.2.1/Cargo.toml
[INFO] started frobbing abackus-0.2.1
[INFO] removed 0 missing examples
[INFO] finished frobbing abackus-0.2.1
[INFO] frobbed toml for abackus-0.2.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/abackus/0.2.1/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 abackus-0.2.1 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-4/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/abackus/0.2.1:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 161ea63eb0c0ef1ef0cd667baa01445fc68477fed013aed8a71031134160b620
[INFO] running `"docker" "start" "-a" "161ea63eb0c0ef1ef0cd667baa01445fc68477fed013aed8a71031134160b620"`
[INFO] [stderr]    Compiling lexers v0.1.2
[INFO] [stderr]    Compiling earlgrey v0.2.4
[INFO] [stderr]    Compiling abackus v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `"docker" "inspect" "161ea63eb0c0ef1ef0cd667baa01445fc68477fed013aed8a71031134160b620"`
[INFO] running `"docker" "rm" "-f" "161ea63eb0c0ef1ef0cd667baa01445fc68477fed013aed8a71031134160b620"`
[INFO] [stdout] 161ea63eb0c0ef1ef0cd667baa01445fc68477fed013aed8a71031134160b620
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/abackus/0.2.1:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 76a221c0fbad91e9810cf4670be74acc0e019a2e1b865db900469747d227d1b8
[INFO] running `"docker" "start" "-a" "76a221c0fbad91e9810cf4670be74acc0e019a2e1b865db900469747d227d1b8"`
[INFO] [stderr]    Compiling encode_unicode v0.1.3
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling abackus v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.91s
[INFO] running `"docker" "inspect" "76a221c0fbad91e9810cf4670be74acc0e019a2e1b865db900469747d227d1b8"`
[INFO] running `"docker" "rm" "-f" "76a221c0fbad91e9810cf4670be74acc0e019a2e1b865db900469747d227d1b8"`
[INFO] [stdout] 76a221c0fbad91e9810cf4670be74acc0e019a2e1b865db900469747d227d1b8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/abackus/0.2.1:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] bc9feba25184f096c84e6d082318911b3fbf6e403aef17aaa683ef9c58f7d392
[INFO] running `"docker" "start" "-a" "bc9feba25184f096c84e6d082318911b3fbf6e403aef17aaa683ef9c58f7d392"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/abackus-7a3a1136616c4c71
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test ebnf_test::build_ebnf_grammar ... ok
[INFO] [stdout] test ebnf_test::arith_parser ... ok
[INFO] [stdout] test ebnf_test::minimal_parser ... ok
[INFO] [stdout] test ebnf_test::grouping ... ok
[INFO] [stdout] test ebnf_test::plug_terminal ... ok
[INFO] [stdout] test ebnf_test::option ... ok
[INFO] [stdout] test ebnf_test::repetition_tagged ... ok
[INFO] [stdout] test ebnf_test::mixed_tagged ... ok
[INFO] [stdout] test ebnf_test::option_tagged ... ok
[INFO] [stdout] test ebnf_test::grouping_tagged ... ok
[INFO] [stdout] test ebnf_test::mixed ... ok
[INFO] [stdout] test ebnf_test::repetition ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests abackus
[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" "bc9feba25184f096c84e6d082318911b3fbf6e403aef17aaa683ef9c58f7d392"`
[INFO] running `"docker" "rm" "-f" "bc9feba25184f096c84e6d082318911b3fbf6e403aef17aaa683ef9c58f7d392"`
[INFO] [stdout] bc9feba25184f096c84e6d082318911b3fbf6e403aef17aaa683ef9c58f7d392