[INFO] crate schemer 0.1.2 is already in cache
[INFO] extracting crate schemer 0.1.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/schemer/0.1.2
[INFO] extracting crate schemer 0.1.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/schemer/0.1.2
[INFO] validating manifest of schemer-0.1.2 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 schemer-0.1.2 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 schemer-0.1.2
[INFO] finished frobbing schemer-0.1.2
[INFO] frobbed toml for schemer-0.1.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/schemer/0.1.2/Cargo.toml
[INFO] started frobbing schemer-0.1.2
[INFO] finished frobbing schemer-0.1.2
[INFO] frobbed toml for schemer-0.1.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/schemer/0.1.2/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing schemer-0.1.2 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-1/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/schemer/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] c3efe92fda3858d81717111dbb11f3dec2f028ebd21a035009d1e63147fbf622
[INFO] running `"docker" "start" "-a" "c3efe92fda3858d81717111dbb11f3dec2f028ebd21a035009d1e63147fbf622"`
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling daggy v0.5.0
[INFO] [stderr]    Compiling schemer v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `"docker" "inspect" "c3efe92fda3858d81717111dbb11f3dec2f028ebd21a035009d1e63147fbf622"`
[INFO] running `"docker" "rm" "-f" "c3efe92fda3858d81717111dbb11f3dec2f028ebd21a035009d1e63147fbf622"`
[INFO] [stdout] c3efe92fda3858d81717111dbb11f3dec2f028ebd21a035009d1e63147fbf622
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/schemer/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 41857da564f7c8d82ab12458810549c623b86103e63b06da7a39d6c1e645d56d
[INFO] running `"docker" "start" "-a" "41857da564f7c8d82ab12458810549c623b86103e63b06da7a39d6c1e645d56d"`
[INFO] [stderr]    Compiling schemer v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:382:30
[INFO] [stderr]     |
[INFO] [stderr] 382 |         type MigrationType = Migration;
[INFO] [stderr]     |                              ^^^^^^^^^ help: use `dyn`: `dyn Migration`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `"docker" "inspect" "41857da564f7c8d82ab12458810549c623b86103e63b06da7a39d6c1e645d56d"`
[INFO] running `"docker" "rm" "-f" "41857da564f7c8d82ab12458810549c623b86103e63b06da7a39d6c1e645d56d"`
[INFO] [stdout] 41857da564f7c8d82ab12458810549c623b86103e63b06da7a39d6c1e645d56d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/schemer/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 22e40c166d4565cfd88abe18319d194b051f9e4fbce12daef53e006e3d59c77b
[INFO] running `"docker" "start" "-a" "22e40c166d4565cfd88abe18319d194b051f9e4fbce12daef53e006e3d59c77b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/schemer-4d52b883cf3c5b7c
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_migration_chain ... ok
[INFO] [stdout] test tests::test_branching_dag ... ok
[INFO] [stdout] test tests::test_multi_component_dag ... ok
[INFO] [stdout] test tests::test_single_migration ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests schemer
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/testing.rs - test_schemer_adapter (line 50) ... ignored
[INFO] [stdout] test src/lib.rs - migration (line 51) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "22e40c166d4565cfd88abe18319d194b051f9e4fbce12daef53e006e3d59c77b"`
[INFO] running `"docker" "rm" "-f" "22e40c166d4565cfd88abe18319d194b051f9e4fbce12daef53e006e3d59c77b"`
[INFO] [stdout] 22e40c166d4565cfd88abe18319d194b051f9e4fbce12daef53e006e3d59c77b