[INFO] crate cpp_synmap 0.3.0 is already in cache
[INFO] extracting crate cpp_synmap 0.3.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/cpp_synmap/0.3.0
[INFO] extracting crate cpp_synmap 0.3.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cpp_synmap/0.3.0
[INFO] validating manifest of cpp_synmap-0.3.0 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 cpp_synmap-0.3.0 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 cpp_synmap-0.3.0
[INFO] finished frobbing cpp_synmap-0.3.0
[INFO] frobbed toml for cpp_synmap-0.3.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/cpp_synmap/0.3.0/Cargo.toml
[INFO] started frobbing cpp_synmap-0.3.0
[INFO] finished frobbing cpp_synmap-0.3.0
[INFO] frobbed toml for cpp_synmap-0.3.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cpp_synmap/0.3.0/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 cpp_synmap-0.3.0 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-4/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/cpp_synmap/0.3.0:/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] 8c15027dcfe22c602aa0f00b99b47946969282ad98885f2d8fc7bc4ed12ac44d
[INFO] running `"docker" "start" "-a" "8c15027dcfe22c602aa0f00b99b47946969282ad98885f2d8fc7bc4ed12ac44d"`
[INFO] [stderr]    Compiling cpp_synom v0.12.0
[INFO] [stderr]    Compiling cpp_syn v0.12.0
[INFO] [stderr]    Compiling cpp_synmap v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:334:32
[INFO] [stderr]     |
[INFO] [stderr] 334 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.84s
[INFO] running `"docker" "inspect" "8c15027dcfe22c602aa0f00b99b47946969282ad98885f2d8fc7bc4ed12ac44d"`
[INFO] running `"docker" "rm" "-f" "8c15027dcfe22c602aa0f00b99b47946969282ad98885f2d8fc7bc4ed12ac44d"`
[INFO] [stdout] 8c15027dcfe22c602aa0f00b99b47946969282ad98885f2d8fc7bc4ed12ac44d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/cpp_synmap/0.3.0:/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] d2b63e12d4eaa8d7b60aac59d0986626f00222a5a6a3e32630a35689a4691d0e
[INFO] running `"docker" "start" "-a" "d2b63e12d4eaa8d7b60aac59d0986626f00222a5a6a3e32630a35689a4691d0e"`
[INFO] [stderr]    Compiling cpp_synmap v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:334:32
[INFO] [stderr]     |
[INFO] [stderr] 334 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "d2b63e12d4eaa8d7b60aac59d0986626f00222a5a6a3e32630a35689a4691d0e"`
[INFO] running `"docker" "rm" "-f" "d2b63e12d4eaa8d7b60aac59d0986626f00222a5a6a3e32630a35689a4691d0e"`
[INFO] [stdout] d2b63e12d4eaa8d7b60aac59d0986626f00222a5a6a3e32630a35689a4691d0e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/cpp_synmap/0.3.0:/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] b2414349374c9560c38e35b4c3b063899e80d979c99cc1e3b722a48b03927d58
[INFO] running `"docker" "start" "-a" "b2414349374c9560c38e35b4c3b063899e80d979c99cc1e3b722a48b03927d58"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cpp_synmap-a5bb1391da33c538
[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 cpp_synmap
[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" "b2414349374c9560c38e35b4c3b063899e80d979c99cc1e3b722a48b03927d58"`
[INFO] running `"docker" "rm" "-f" "b2414349374c9560c38e35b4c3b063899e80d979c99cc1e3b722a48b03927d58"`
[INFO] [stdout] b2414349374c9560c38e35b4c3b063899e80d979c99cc1e3b722a48b03927d58