[INFO] fetching crate zebra 0.0.0-placeholder.0...
[INFO] extracting crate zebra 0.0.0-placeholder.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/zebra/0.0.0-placeholder.0
[INFO] extracting crate zebra 0.0.0-placeholder.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/zebra/0.0.0-placeholder.0
[INFO] validating manifest of zebra-0.0.0-placeholder.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 zebra-0.0.0-placeholder.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 zebra-0.0.0-placeholder.0
[INFO] finished frobbing zebra-0.0.0-placeholder.0
[INFO] frobbed toml for zebra-0.0.0-placeholder.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/zebra/0.0.0-placeholder.0/Cargo.toml
[INFO] started frobbing zebra-0.0.0-placeholder.0
[INFO] finished frobbing zebra-0.0.0-placeholder.0
[INFO] frobbed toml for zebra-0.0.0-placeholder.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/zebra/0.0.0-placeholder.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 zebra-0.0.0-placeholder.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/zebra/0.0.0-placeholder.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] 9e4680e18993408a6a5d43089becd5b8505ede0fb6492257f62c7c7e53dd5701
[INFO] running `"docker" "start" "-a" "9e4680e18993408a6a5d43089becd5b8505ede0fb6492257f62c7c7e53dd5701"`
[INFO] [stderr]    Compiling zebra v0.0.0-placeholder.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `"docker" "inspect" "9e4680e18993408a6a5d43089becd5b8505ede0fb6492257f62c7c7e53dd5701"`
[INFO] running `"docker" "rm" "-f" "9e4680e18993408a6a5d43089becd5b8505ede0fb6492257f62c7c7e53dd5701"`
[INFO] [stdout] 9e4680e18993408a6a5d43089becd5b8505ede0fb6492257f62c7c7e53dd5701
[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/zebra/0.0.0-placeholder.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] 1fa78de9b5d4694db937644d47572ca10ecc7b90fa671e6206a5914070cfd8bc
[INFO] running `"docker" "start" "-a" "1fa78de9b5d4694db937644d47572ca10ecc7b90fa671e6206a5914070cfd8bc"`
[INFO] [stderr]    Compiling zebra v0.0.0-placeholder.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "1fa78de9b5d4694db937644d47572ca10ecc7b90fa671e6206a5914070cfd8bc"`
[INFO] running `"docker" "rm" "-f" "1fa78de9b5d4694db937644d47572ca10ecc7b90fa671e6206a5914070cfd8bc"`
[INFO] [stdout] 1fa78de9b5d4694db937644d47572ca10ecc7b90fa671e6206a5914070cfd8bc
[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/zebra/0.0.0-placeholder.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] c40c9a64645f601f77f08e47455713359eb0c208a6b37a8c0161bfd93f582219
[INFO] running `"docker" "start" "-a" "c40c9a64645f601f77f08e47455713359eb0c208a6b37a8c0161bfd93f582219"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/zebra-d486299714251154
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests zebra
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "c40c9a64645f601f77f08e47455713359eb0c208a6b37a8c0161bfd93f582219"`
[INFO] running `"docker" "rm" "-f" "c40c9a64645f601f77f08e47455713359eb0c208a6b37a8c0161bfd93f582219"`
[INFO] [stdout] c40c9a64645f601f77f08e47455713359eb0c208a6b37a8c0161bfd93f582219