[INFO] crate mccs-db 0.1.2 is already in cache
[INFO] extracting crate mccs-db 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/mccs-db/0.1.2
[INFO] extracting crate mccs-db 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mccs-db/0.1.2
[INFO] validating manifest of mccs-db-0.1.2 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 mccs-db-0.1.2 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 mccs-db-0.1.2
[INFO] finished frobbing mccs-db-0.1.2
[INFO] frobbed toml for mccs-db-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mccs-db/0.1.2/Cargo.toml
[INFO] started frobbing mccs-db-0.1.2
[INFO] finished frobbing mccs-db-0.1.2
[INFO] frobbed toml for mccs-db-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mccs-db/0.1.2/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 mccs-db-0.1.2 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mccs-db/0.1.2:/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] 70d9f1ab9c4e4501fcf4241bda2f5caea3832f81d048b207413f0319a5b8528b
[INFO] running `"docker" "start" "-a" "70d9f1ab9c4e4501fcf4241bda2f5caea3832f81d048b207413f0319a5b8528b"`
[INFO] [stderr]    Compiling mccs v0.1.0
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling mccs-db v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.22s
[INFO] running `"docker" "inspect" "70d9f1ab9c4e4501fcf4241bda2f5caea3832f81d048b207413f0319a5b8528b"`
[INFO] running `"docker" "rm" "-f" "70d9f1ab9c4e4501fcf4241bda2f5caea3832f81d048b207413f0319a5b8528b"`
[INFO] [stdout] 70d9f1ab9c4e4501fcf4241bda2f5caea3832f81d048b207413f0319a5b8528b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mccs-db/0.1.2:/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] 729e647d60d184aa3f419dad711de3803c64b151afe08b03757482d54234f54d
[INFO] running `"docker" "start" "-a" "729e647d60d184aa3f419dad711de3803c64b151afe08b03757482d54234f54d"`
[INFO] [stderr]    Compiling mccs-caps v0.1.0
[INFO] [stderr]    Compiling mccs-db v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] error: couldn't read src/../../caps/src/testdata.rs: No such file or directory (os error 2)
[INFO] [stderr]   --> src/lib.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 | mod testdata;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `mccs-db`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "729e647d60d184aa3f419dad711de3803c64b151afe08b03757482d54234f54d"`
[INFO] running `"docker" "rm" "-f" "729e647d60d184aa3f419dad711de3803c64b151afe08b03757482d54234f54d"`
[INFO] [stdout] 729e647d60d184aa3f419dad711de3803c64b151afe08b03757482d54234f54d