[INFO] updating cached repository grncdr/mmr
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/grncdr/mmr
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/grncdr/mmr" "work/ex/beta-1.37-6/sources/1.36.0/gh/grncdr/mmr"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/grncdr/mmr'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/grncdr/mmr" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/grncdr/mmr"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/grncdr/mmr'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6f5dc7f7682de2c90374d29d7be55096a4045d0c
[INFO] sha for GitHub repo grncdr/mmr: 6f5dc7f7682de2c90374d29d7be55096a4045d0c
[INFO] validating manifest of grncdr/mmr 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 grncdr/mmr 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 grncdr/mmr
[INFO] finished frobbing grncdr/mmr
[INFO] frobbed toml for grncdr/mmr written to work/ex/beta-1.37-6/sources/1.36.0/gh/grncdr/mmr/Cargo.toml
[INFO] started frobbing grncdr/mmr
[INFO] finished frobbing grncdr/mmr
[INFO] frobbed toml for grncdr/mmr written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/grncdr/mmr/Cargo.toml
[INFO] crate grncdr/mmr already has a lockfile, it will not be regenerated
[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 grncdr/mmr 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-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/grncdr/mmr:/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] 6b593a324c5d22c584f181ee8c2bdc030837c4e3ed9bd6769bb9e2e53f133952
[INFO] running `"docker" "start" "-a" "6b593a324c5d22c584f181ee8c2bdc030837c4e3ed9bd6769bb9e2e53f133952"`
[INFO] [stderr]    Compiling winapi v0.3.4
[INFO] [stderr]    Compiling kernel32-sys v0.1.4
[INFO] [stderr]    Compiling errno v0.2.3
[INFO] [stderr]    Compiling clap v2.31.1
[INFO] [stderr]    Compiling exec v0.3.1
[INFO] [stderr]    Compiling utime v0.1.3
[INFO] [stderr]    Compiling mmr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:90:32
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn cause(&self) -> Option<&ErrorTrait> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn ErrorTrait`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:92:38
[INFO] [stderr]    |
[INFO] [stderr] 92 |             &Error::Exec(ref e) => e.cause(),
[INFO] [stderr]    |                                      ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:93:36
[INFO] [stderr]    |
[INFO] [stderr] 93 |             &Error::IO(ref e) => e.cause(),
[INFO] [stderr]    |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:94:39
[INFO] [stderr]    |
[INFO] [stderr] 94 |             &Error::Clock(ref e) => e.cause(),
[INFO] [stderr]    |                                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.29s
[INFO] running `"docker" "inspect" "6b593a324c5d22c584f181ee8c2bdc030837c4e3ed9bd6769bb9e2e53f133952"`
[INFO] running `"docker" "rm" "-f" "6b593a324c5d22c584f181ee8c2bdc030837c4e3ed9bd6769bb9e2e53f133952"`
[INFO] [stdout] 6b593a324c5d22c584f181ee8c2bdc030837c4e3ed9bd6769bb9e2e53f133952
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/grncdr/mmr:/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] 67b1fbe4a2f89312983c66823ac161d01c6a884a20097913ee57ed487de9470f
[INFO] running `"docker" "start" "-a" "67b1fbe4a2f89312983c66823ac161d01c6a884a20097913ee57ed487de9470f"`
[INFO] [stderr]    Compiling mmr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:90:32
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn cause(&self) -> Option<&ErrorTrait> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn ErrorTrait`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:92:38
[INFO] [stderr]    |
[INFO] [stderr] 92 |             &Error::Exec(ref e) => e.cause(),
[INFO] [stderr]    |                                      ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:93:36
[INFO] [stderr]    |
[INFO] [stderr] 93 |             &Error::IO(ref e) => e.cause(),
[INFO] [stderr]    |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:94:39
[INFO] [stderr]    |
[INFO] [stderr] 94 |             &Error::Clock(ref e) => e.cause(),
[INFO] [stderr]    |                                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "67b1fbe4a2f89312983c66823ac161d01c6a884a20097913ee57ed487de9470f"`
[INFO] running `"docker" "rm" "-f" "67b1fbe4a2f89312983c66823ac161d01c6a884a20097913ee57ed487de9470f"`
[INFO] [stdout] 67b1fbe4a2f89312983c66823ac161d01c6a884a20097913ee57ed487de9470f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/grncdr/mmr:/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] e22d83b14865599e379368f89253b4c36a8025ce9756dc770e1f2b4a6449d200
[INFO] running `"docker" "start" "-a" "e22d83b14865599e379368f89253b4c36a8025ce9756dc770e1f2b4a6449d200"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mmr-d7982f1a3c3e9713
[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" "e22d83b14865599e379368f89253b4c36a8025ce9756dc770e1f2b4a6449d200"`
[INFO] running `"docker" "rm" "-f" "e22d83b14865599e379368f89253b4c36a8025ce9756dc770e1f2b4a6449d200"`
[INFO] [stdout] e22d83b14865599e379368f89253b4c36a8025ce9756dc770e1f2b4a6449d200