[INFO] crate migrations_internals 1.4.0 is already in cache
[INFO] extracting crate migrations_internals 1.4.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/migrations_internals/1.4.0
[INFO] extracting crate migrations_internals 1.4.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/migrations_internals/1.4.0
[INFO] validating manifest of migrations_internals-1.4.0 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 migrations_internals-1.4.0 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 migrations_internals-1.4.0
[INFO] finished frobbing migrations_internals-1.4.0
[INFO] frobbed toml for migrations_internals-1.4.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/migrations_internals/1.4.0/Cargo.toml
[INFO] started frobbing migrations_internals-1.4.0
[INFO] finished frobbing migrations_internals-1.4.0
[INFO] frobbed toml for migrations_internals-1.4.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/migrations_internals/1.4.0/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 migrations_internals-1.4.0 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-5/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/migrations_internals/1.4.0:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 2b2288da2a3229bb3c5e190bc61749acccd18866c992f46b349e2bd25658c31c
[INFO] running `"docker" "start" "-a" "2b2288da2a3229bb3c5e190bc61749acccd18866c992f46b349e2bd25658c31c"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr]    Compiling diesel v1.4.2
[INFO] [stderr]    Compiling migrations_internals v1.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/migration.rs:10:24
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub migration: &'a Migration,
[INFO] [stderr]    |                        ^^^^^^^^^ help: use `dyn`: `dyn Migration`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:2:9
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![deny(warnings, missing_debug_implementations, missing_copy_implementations)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/migration.rs:10:24
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub migration: &'a Migration,
[INFO] [stderr]    |                        ^^^^^^^^^ help: use `dyn`: `dyn Migration`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/migration.rs:13:25
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn name(migration: &Migration) -> MigrationName {
[INFO] [stderr]    |                         ^^^^^^^^^ help: use `dyn`: `dyn Migration`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/migration.rs:36:24
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub migration: &'a Migration,
[INFO] [stderr]    |                        ^^^^^^^^^ help: use `dyn`: `dyn Migration`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/migration.rs:40:37
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn file_name<'a>(migration: &'a Migration, sql_file: &'a str) -> MigrationFileName<'a> {
[INFO] [stderr]    |                                     ^^^^^^^^^ help: use `dyn`: `dyn Migration`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/migration.rs:58:52
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub fn migration_from(path: PathBuf) -> Result<Box<Migration>, MigrationError> {
[INFO] [stderr]    |                                                    ^^^^^^^^^ help: use `dyn`: `dyn Migration`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/migration.rs:125:26
[INFO] [stderr]     |
[INFO] [stderr] 125 |     fn run(&self, conn: &SimpleConnection) -> Result<(), RunMigrationsError> {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SimpleConnection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/migration.rs:129:29
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn revert(&self, conn: &SimpleConnection) -> Result<(), RunMigrationsError> {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SimpleConnection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/migration.rs:134:29
[INFO] [stderr]     |
[INFO] [stderr] 134 | fn run_sql_from_file(conn: &SimpleConnection, path: &Path) -> Result<(), RunMigrationsError> {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SimpleConnection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:141:18
[INFO] [stderr]     |
[INFO] [stderr] 141 |     output: &mut Write,
[INFO] [stderr]     |                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:155:22
[INFO] [stderr]     |
[INFO] [stderr] 155 | ) -> Result<Vec<(Box<Migration>, bool)>, RunMigrationsError>
[INFO] [stderr]     |                      ^^^^^^^^^ help: use `dyn`: `dyn Migration`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:225:18
[INFO] [stderr]     |
[INFO] [stderr] 225 |     output: &mut Write,
[INFO] [stderr]     |                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:237:18
[INFO] [stderr]     |
[INFO] [stderr] 237 |     output: &mut Write,
[INFO] [stderr]     |                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:250:17
[INFO] [stderr]     |
[INFO] [stderr] 250 | ) -> Result<Box<Migration>, MigrationError> {
[INFO] [stderr]     |                 ^^^^^^^^^ help: use `dyn`: `dyn Migration`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:290:59
[INFO] [stderr]     |
[INFO] [stderr] 290 | fn migrations_in_directory(path: &Path) -> Result<Vec<Box<Migration>>, MigrationError> {
[INFO] [stderr]     |                                                           ^^^^^^^^^ help: use `dyn`: `dyn Migration`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `migration_from` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:291:9
[INFO] [stderr]     |
[INFO] [stderr] 101 | pub use self::migration::*;
[INFO] [stderr]     |         ------------------ the item `migration_from` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 291 |     use self::migration::migration_from;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:2:9
[INFO] [stderr]     |
[INFO] [stderr] 2   | #![deny(warnings, missing_debug_implementations, missing_copy_implementations)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:304:18
[INFO] [stderr]     |
[INFO] [stderr] 304 |     output: &mut Write,
[INFO] [stderr]     |                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:327:17
[INFO] [stderr]     |
[INFO] [stderr] 327 |     migration: &Migration,
[INFO] [stderr]     |                 ^^^^^^^^^ help: use `dyn`: `dyn Migration`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:328:18
[INFO] [stderr]     |
[INFO] [stderr] 328 |     output: &mut Write,
[INFO] [stderr]     |                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:352:17
[INFO] [stderr]     |
[INFO] [stderr] 352 |     migration: &Migration,
[INFO] [stderr]     |                 ^^^^^^^^^ help: use `dyn`: `dyn Migration`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:353:18
[INFO] [stderr]     |
[INFO] [stderr] 353 |     output: &mut Write,
[INFO] [stderr]     |                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.43s
[INFO] running `"docker" "inspect" "2b2288da2a3229bb3c5e190bc61749acccd18866c992f46b349e2bd25658c31c"`
[INFO] running `"docker" "rm" "-f" "2b2288da2a3229bb3c5e190bc61749acccd18866c992f46b349e2bd25658c31c"`
[INFO] [stdout] 2b2288da2a3229bb3c5e190bc61749acccd18866c992f46b349e2bd25658c31c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/migrations_internals/1.4.0:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 67467c512bae68f4f33bea26ba1970da892d4af350c8c91f63cb70de8b53fcf3
[INFO] running `"docker" "start" "-a" "67467c512bae68f4f33bea26ba1970da892d4af350c8c91f63cb70de8b53fcf3"`
[INFO] [stderr]    Compiling migrations_internals v1.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/migration.rs:10:24
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub migration: &'a Migration,
[INFO] [stderr]    |                        ^^^^^^^^^ help: use `dyn`: `dyn Migration`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:2:9
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![deny(warnings, missing_debug_implementations, missing_copy_implementations)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/migration.rs:10:24
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub migration: &'a Migration,
[INFO] [stderr]    |                        ^^^^^^^^^ help: use `dyn`: `dyn Migration`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/migration.rs:13:25
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn name(migration: &Migration) -> MigrationName {
[INFO] [stderr]    |                         ^^^^^^^^^ help: use `dyn`: `dyn Migration`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/migration.rs:36:24
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub migration: &'a Migration,
[INFO] [stderr]    |                        ^^^^^^^^^ help: use `dyn`: `dyn Migration`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/migration.rs:40:37
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn file_name<'a>(migration: &'a Migration, sql_file: &'a str) -> MigrationFileName<'a> {
[INFO] [stderr]    |                                     ^^^^^^^^^ help: use `dyn`: `dyn Migration`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/migration.rs:58:52
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub fn migration_from(path: PathBuf) -> Result<Box<Migration>, MigrationError> {
[INFO] [stderr]    |                                                    ^^^^^^^^^ help: use `dyn`: `dyn Migration`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/migration.rs:125:26
[INFO] [stderr]     |
[INFO] [stderr] 125 |     fn run(&self, conn: &SimpleConnection) -> Result<(), RunMigrationsError> {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SimpleConnection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/migration.rs:129:29
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn revert(&self, conn: &SimpleConnection) -> Result<(), RunMigrationsError> {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SimpleConnection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/migration.rs:134:29
[INFO] [stderr]     |
[INFO] [stderr] 134 | fn run_sql_from_file(conn: &SimpleConnection, path: &Path) -> Result<(), RunMigrationsError> {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SimpleConnection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:141:18
[INFO] [stderr]     |
[INFO] [stderr] 141 |     output: &mut Write,
[INFO] [stderr]     |                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:155:22
[INFO] [stderr]     |
[INFO] [stderr] 155 | ) -> Result<Vec<(Box<Migration>, bool)>, RunMigrationsError>
[INFO] [stderr]     |                      ^^^^^^^^^ help: use `dyn`: `dyn Migration`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:225:18
[INFO] [stderr]     |
[INFO] [stderr] 225 |     output: &mut Write,
[INFO] [stderr]     |                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:237:18
[INFO] [stderr]     |
[INFO] [stderr] 237 |     output: &mut Write,
[INFO] [stderr]     |                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:250:17
[INFO] [stderr]     |
[INFO] [stderr] 250 | ) -> Result<Box<Migration>, MigrationError> {
[INFO] [stderr]     |                 ^^^^^^^^^ help: use `dyn`: `dyn Migration`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:290:59
[INFO] [stderr]     |
[INFO] [stderr] 290 | fn migrations_in_directory(path: &Path) -> Result<Vec<Box<Migration>>, MigrationError> {
[INFO] [stderr]     |                                                           ^^^^^^^^^ help: use `dyn`: `dyn Migration`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `migration_from` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:291:9
[INFO] [stderr]     |
[INFO] [stderr] 101 | pub use self::migration::*;
[INFO] [stderr]     |         ------------------ the item `migration_from` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 291 |     use self::migration::migration_from;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:2:9
[INFO] [stderr]     |
[INFO] [stderr] 2   | #![deny(warnings, missing_debug_implementations, missing_copy_implementations)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:304:18
[INFO] [stderr]     |
[INFO] [stderr] 304 |     output: &mut Write,
[INFO] [stderr]     |                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:327:17
[INFO] [stderr]     |
[INFO] [stderr] 327 |     migration: &Migration,
[INFO] [stderr]     |                 ^^^^^^^^^ help: use `dyn`: `dyn Migration`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:328:18
[INFO] [stderr]     |
[INFO] [stderr] 328 |     output: &mut Write,
[INFO] [stderr]     |                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:352:17
[INFO] [stderr]     |
[INFO] [stderr] 352 |     migration: &Migration,
[INFO] [stderr]     |                 ^^^^^^^^^ help: use `dyn`: `dyn Migration`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:353:18
[INFO] [stderr]     |
[INFO] [stderr] 353 |     output: &mut Write,
[INFO] [stderr]     |                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "67467c512bae68f4f33bea26ba1970da892d4af350c8c91f63cb70de8b53fcf3"`
[INFO] running `"docker" "rm" "-f" "67467c512bae68f4f33bea26ba1970da892d4af350c8c91f63cb70de8b53fcf3"`
[INFO] [stdout] 67467c512bae68f4f33bea26ba1970da892d4af350c8c91f63cb70de8b53fcf3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/migrations_internals/1.4.0:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 5d8339d9f4e14f2efcb24c8c78a21904f42281a53d30a4177ed0320e8bd4a121
[INFO] running `"docker" "start" "-a" "5d8339d9f4e14f2efcb24c8c78a21904f42281a53d30a4177ed0320e8bd4a121"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/migrations_internals-298de77448542462
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test migration::tests::migration_version_allows_additional_naming ... ok
[INFO] [stdout] test migration::tests::directory_containing_exactly_up_sql_and_down_sql_is_valid_migration_dir ... ok
[INFO] [stdout] test migration::tests::migration_version_is_based_on_folder_name ... ok
[INFO] [stdout] test migration::tests::migration_version_when_dir_doesnt_start_with_num_is_allowed ... ok
[INFO] [stdout] test migration::tests::directory_with_only_up_sql_is_not_valid_migration_dir ... ok
[INFO] [stdout] test migration::tests::directory_containing_unknown_files_is_valid_migration_dir ... ok
[INFO] [stdout] test migration::tests::files_are_not_valid_sql_file_migrations ... ok
[INFO] [stdout] test tests::migration_directory_defaults_to_pwd_slash_migrations ... ok
[INFO] [stdout] test migration::tests::empty_directory_is_not_valid_migration_dir ... ok
[INFO] [stdout] test tests::migration_directory_checks_parents ... ok
[INFO] [stdout] test tests::migration_directory_not_found_if_no_migration_dir_exists ... ok
[INFO] [stdout] test migration::tests::files_beginning_with_dot_are_allowed ... 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 migrations_internals
[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" "5d8339d9f4e14f2efcb24c8c78a21904f42281a53d30a4177ed0320e8bd4a121"`
[INFO] running `"docker" "rm" "-f" "5d8339d9f4e14f2efcb24c8c78a21904f42281a53d30a4177ed0320e8bd4a121"`
[INFO] [stdout] 5d8339d9f4e14f2efcb24c8c78a21904f42281a53d30a4177ed0320e8bd4a121