[INFO] fetching crate google-clouddebugger2-cli 1.0.10+20190614...
[INFO] extracting crate google-clouddebugger2-cli 1.0.10+20190614 into work/ex/beta-1.37-6/sources/1.36.0/reg/google-clouddebugger2-cli/1.0.10+20190614
[INFO] extracting crate google-clouddebugger2-cli 1.0.10+20190614 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/google-clouddebugger2-cli/1.0.10+20190614
[INFO] validating manifest of google-clouddebugger2-cli-1.0.10+20190614 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 google-clouddebugger2-cli-1.0.10+20190614 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 google-clouddebugger2-cli-1.0.10+20190614
[INFO] finished frobbing google-clouddebugger2-cli-1.0.10+20190614
[INFO] frobbed toml for google-clouddebugger2-cli-1.0.10+20190614 written to work/ex/beta-1.37-6/sources/1.36.0/reg/google-clouddebugger2-cli/1.0.10+20190614/Cargo.toml
[INFO] started frobbing google-clouddebugger2-cli-1.0.10+20190614
[INFO] finished frobbing google-clouddebugger2-cli-1.0.10+20190614
[INFO] frobbed toml for google-clouddebugger2-cli-1.0.10+20190614 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/google-clouddebugger2-cli/1.0.10+20190614/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] [stderr]     Blocking waiting for file lock on package cache lock
[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 google-clouddebugger2-cli-1.0.10+20190614 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-3/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/google-clouddebugger2-cli/1.0.10+20190614:/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] fd863ee517068109cc58939ad5a815a41776c45806fb295351eea7f2d1255675
[INFO] running `"docker" "start" "-a" "fd863ee517068109cc58939ad5a815a41776c45806fb295351eea7f2d1255675"`
[INFO] [stderr] warning: version requirement `1.0.10+20190614` for dependency `google-clouddebugger2` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]    Compiling google-clouddebugger2 v1.0.10+20190614
[INFO] [stderr]    Compiling google-clouddebugger2-cli v1.0.10+20190614 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cmn.rs:405:58
[INFO] [stderr]     |
[INFO] [stderr] 405 | pub fn writer_from_opts(arg: Option<&str>) -> Result<Box<Write>, io::Error> {
[INFO] [stderr]     |                                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.56s
[INFO] running `"docker" "inspect" "fd863ee517068109cc58939ad5a815a41776c45806fb295351eea7f2d1255675"`
[INFO] running `"docker" "rm" "-f" "fd863ee517068109cc58939ad5a815a41776c45806fb295351eea7f2d1255675"`
[INFO] [stdout] fd863ee517068109cc58939ad5a815a41776c45806fb295351eea7f2d1255675
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/google-clouddebugger2-cli/1.0.10+20190614:/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] a4ea93040f6a0111fcc4850253f0d813e240f818233d999e818926981e87e442
[INFO] running `"docker" "start" "-a" "a4ea93040f6a0111fcc4850253f0d813e240f818233d999e818926981e87e442"`
[INFO] [stderr] warning: version requirement `1.0.10+20190614` for dependency `google-clouddebugger2` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]    Compiling google-clouddebugger2-cli v1.0.10+20190614 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cmn.rs:405:58
[INFO] [stderr]     |
[INFO] [stderr] 405 | pub fn writer_from_opts(arg: Option<&str>) -> Result<Box<Write>, io::Error> {
[INFO] [stderr]     |                                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "a4ea93040f6a0111fcc4850253f0d813e240f818233d999e818926981e87e442"`
[INFO] running `"docker" "rm" "-f" "a4ea93040f6a0111fcc4850253f0d813e240f818233d999e818926981e87e442"`
[INFO] [stdout] a4ea93040f6a0111fcc4850253f0d813e240f818233d999e818926981e87e442
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/google-clouddebugger2-cli/1.0.10+20190614:/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] f88427adb3f1ed894c6dbbe535f4272b01e835dc354f345f455108b5a61733df
[INFO] running `"docker" "start" "-a" "f88427adb3f1ed894c6dbbe535f4272b01e835dc354f345f455108b5a61733df"`
[INFO] [stderr] warning: version requirement `1.0.10+20190614` for dependency `google-clouddebugger2` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/clouddebugger2-53eecaad8bc20214
[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" "f88427adb3f1ed894c6dbbe535f4272b01e835dc354f345f455108b5a61733df"`
[INFO] running `"docker" "rm" "-f" "f88427adb3f1ed894c6dbbe535f4272b01e835dc354f345f455108b5a61733df"`
[INFO] [stdout] f88427adb3f1ed894c6dbbe535f4272b01e835dc354f345f455108b5a61733df