[INFO] crate schemer 0.1.2 is already in cache
[INFO] extracting crate schemer 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/schemer/0.1.2
[INFO] extracting crate schemer 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/schemer/0.1.2
[INFO] validating manifest of schemer-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 schemer-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 schemer-0.1.2
[INFO] finished frobbing schemer-0.1.2
[INFO] frobbed toml for schemer-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/schemer/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 schemer-0.1.2 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] d3a27e10ff030b05ee251b8aba8e8a42902baa01d1b9b93038eb8e6bc1e84fdb
[INFO] running `"docker" "start" "-a" "d3a27e10ff030b05ee251b8aba8e8a42902baa01d1b9b93038eb8e6bc1e84fdb"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling daggy v0.5.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure v0.1.5
[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 27.74s
[INFO] running `"docker" "inspect" "d3a27e10ff030b05ee251b8aba8e8a42902baa01d1b9b93038eb8e6bc1e84fdb"`
[INFO] running `"docker" "rm" "-f" "d3a27e10ff030b05ee251b8aba8e8a42902baa01d1b9b93038eb8e6bc1e84fdb"`
[INFO] [stdout] d3a27e10ff030b05ee251b8aba8e8a42902baa01d1b9b93038eb8e6bc1e84fdb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9346f2c245a7c8c03acbd6f6e951620b2ee18859a3c43376c928bbc3b943934d
[INFO] running `"docker" "start" "-a" "9346f2c245a7c8c03acbd6f6e951620b2ee18859a3c43376c928bbc3b943934d"`
[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 2.30s
[INFO] running `"docker" "inspect" "9346f2c245a7c8c03acbd6f6e951620b2ee18859a3c43376c928bbc3b943934d"`
[INFO] running `"docker" "rm" "-f" "9346f2c245a7c8c03acbd6f6e951620b2ee18859a3c43376c928bbc3b943934d"`
[INFO] [stdout] 9346f2c245a7c8c03acbd6f6e951620b2ee18859a3c43376c928bbc3b943934d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 90095394b57c7aff2f3c2f93187f05e819d3743ed890ab14efe556a80985b9c8
[INFO] running `"docker" "start" "-a" "90095394b57c7aff2f3c2f93187f05e819d3743ed890ab14efe556a80985b9c8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/schemer-820e541098c103da
[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] [stderr]    Doc-tests schemer
[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] [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" "90095394b57c7aff2f3c2f93187f05e819d3743ed890ab14efe556a80985b9c8"`
[INFO] running `"docker" "rm" "-f" "90095394b57c7aff2f3c2f93187f05e819d3743ed890ab14efe556a80985b9c8"`
[INFO] [stdout] 90095394b57c7aff2f3c2f93187f05e819d3743ed890ab14efe556a80985b9c8