[INFO] crate automata 0.0.4 is already in cache
[INFO] extracting crate automata 0.0.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/automata/0.0.4
[INFO] extracting crate automata 0.0.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/automata/0.0.4
[INFO] validating manifest of automata-0.0.4 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 automata-0.0.4 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 automata-0.0.4
[INFO] finished frobbing automata-0.0.4
[INFO] frobbed toml for automata-0.0.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/automata/0.0.4/Cargo.toml
[INFO] started frobbing automata-0.0.4
[INFO] finished frobbing automata-0.0.4
[INFO] frobbed toml for automata-0.0.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/automata/0.0.4/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 automata-0.0.4 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-6/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/automata/0.0.4:/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] 1e5dd9a08146cd9e02051953c0b5c8f53223ce89571a90aee70f6ed957cb5044
[INFO] running `"docker" "start" "-a" "1e5dd9a08146cd9e02051953c0b5c8f53223ce89571a90aee70f6ed957cb5044"`
[INFO] [stderr]    Compiling automata v0.0.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/deterministic.rs:172:41
[INFO] [stderr]     |
[INFO] [stderr] 172 |     pub fn write_to(&self, output: &mut Write) -> io::Result<()>
[INFO] [stderr]     |                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dfa.rs:100:41
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn write_to(&self, output: &mut Write) -> io::Result<()> 
[INFO] [stderr]     |                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dfa.rs:145:46
[INFO] [stderr]     |
[INFO] [stderr] 145 |     pub fn pair(&self, rhs: &Self, decider: &Fn(bool, bool) -> bool) -> Option<Self> {
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(bool, bool) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dfa.rs:205:52
[INFO] [stderr]     |
[INFO] [stderr] 205 |     pub fn pair_empty(&self, rhs: &Self, decider: &Fn(bool, bool) -> bool) -> bool {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(bool, bool) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/nfa.rs:287:41
[INFO] [stderr]     |
[INFO] [stderr] 287 |     pub fn write_to(&self, output: &mut Write) -> io::Result<()> 
[INFO] [stderr]     |                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.73s
[INFO] running `"docker" "inspect" "1e5dd9a08146cd9e02051953c0b5c8f53223ce89571a90aee70f6ed957cb5044"`
[INFO] running `"docker" "rm" "-f" "1e5dd9a08146cd9e02051953c0b5c8f53223ce89571a90aee70f6ed957cb5044"`
[INFO] [stdout] 1e5dd9a08146cd9e02051953c0b5c8f53223ce89571a90aee70f6ed957cb5044
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/automata/0.0.4:/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] fc70e693232e316f387c20cb2aa7ba077725400d630c283f831c7241c16589d5
[INFO] running `"docker" "start" "-a" "fc70e693232e316f387c20cb2aa7ba077725400d630c283f831c7241c16589d5"`
[INFO] [stderr]    Compiling automata v0.0.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/deterministic.rs:172:41
[INFO] [stderr]     |
[INFO] [stderr] 172 |     pub fn write_to(&self, output: &mut Write) -> io::Result<()>
[INFO] [stderr]     |                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dfa.rs:100:41
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn write_to(&self, output: &mut Write) -> io::Result<()> 
[INFO] [stderr]     |                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dfa.rs:145:46
[INFO] [stderr]     |
[INFO] [stderr] 145 |     pub fn pair(&self, rhs: &Self, decider: &Fn(bool, bool) -> bool) -> Option<Self> {
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(bool, bool) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dfa.rs:205:52
[INFO] [stderr]     |
[INFO] [stderr] 205 |     pub fn pair_empty(&self, rhs: &Self, decider: &Fn(bool, bool) -> bool) -> bool {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(bool, bool) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/nfa.rs:287:41
[INFO] [stderr]     |
[INFO] [stderr] 287 |     pub fn write_to(&self, output: &mut Write) -> io::Result<()> 
[INFO] [stderr]     |                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.79s
[INFO] running `"docker" "inspect" "fc70e693232e316f387c20cb2aa7ba077725400d630c283f831c7241c16589d5"`
[INFO] running `"docker" "rm" "-f" "fc70e693232e316f387c20cb2aa7ba077725400d630c283f831c7241c16589d5"`
[INFO] [stdout] fc70e693232e316f387c20cb2aa7ba077725400d630c283f831c7241c16589d5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/automata/0.0.4:/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] 5abcd61441416fe1931e6ebc890c3e5887b55acecad920b6fe7fc3b96e6fedec
[INFO] running `"docker" "start" "-a" "5abcd61441416fe1931e6ebc890c3e5887b55acecad920b6fe7fc3b96e6fedec"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/automata-5371e224d5a4d8b7
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test dfa::tests::pairing_empty ... ok
[INFO] [stdout] test dfa::tests::pairing ... ok
[INFO] [stdout] test dfa::tests::build_and_format ... ok
[INFO] [stdout] test dot::tests::identifiers ... ok
[INFO] [stdout] test nfa::tests::contains ... ok
[INFO] [stdout] test nfa::tests::convert_to_dfa ... ok
[INFO] [stdout] test nfa::tests::build_and_format ... ok
[INFO] [stdout] test dfa::tests::contains ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test-8b091a9cecdc8324
[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] [stderr]    Doc-tests automata
[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" "5abcd61441416fe1931e6ebc890c3e5887b55acecad920b6fe7fc3b96e6fedec"`
[INFO] running `"docker" "rm" "-f" "5abcd61441416fe1931e6ebc890c3e5887b55acecad920b6fe7fc3b96e6fedec"`
[INFO] [stdout] 5abcd61441416fe1931e6ebc890c3e5887b55acecad920b6fe7fc3b96e6fedec