[INFO] updating cached repository waka/sonar
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/waka/sonar
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/waka/sonar" "work/ex/beta-1.38-1/sources/1.37.0/gh/waka/sonar"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/waka/sonar'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/waka/sonar" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/waka/sonar"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/waka/sonar'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d01e2430e9f329d1ddf832b3b5590ac97583d4c6
[INFO] sha for GitHub repo waka/sonar: d01e2430e9f329d1ddf832b3b5590ac97583d4c6
[INFO] validating manifest of waka/sonar 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 waka/sonar 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 waka/sonar
[INFO] finished frobbing waka/sonar
[INFO] frobbed toml for waka/sonar written to work/ex/beta-1.38-1/sources/1.37.0/gh/waka/sonar/Cargo.toml
[INFO] started frobbing waka/sonar
[INFO] finished frobbing waka/sonar
[INFO] frobbed toml for waka/sonar written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/waka/sonar/Cargo.toml
[INFO] crate waka/sonar already has a lockfile, it will not be regenerated
[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 waka/sonar against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/waka/sonar:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 4bb6437b7a9bdf07d843c9eec8bb9c0d4066c202d23da98e22fc8842ebaf024d
[INFO] running `"docker" "start" "-a" "4bb6437b7a9bdf07d843c9eec8bb9c0d4066c202d23da98e22fc8842ebaf024d"`
[INFO] [stderr]    Compiling regex-syntax v0.3.5
[INFO] [stderr]    Compiling getopts v0.2.14
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.14/src/lib.rs:1008:33
[INFO] [stderr]      |
[INFO] [stderr] 955  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stderr]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 959  |         state = match (state, whitespace, limit) {
[INFO] [stderr]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stderr] ...
[INFO] [stderr] 1008 |     while cont && match state { B | C => true, A => false } {
[INFO] [stderr]      |                                 ^ use of borrowed `state`
[INFO] [stderr] 1009 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stderr]      |         ------- borrow later used here
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]      = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling regex v0.1.77
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling sonar v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/searcher.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | type Error = Box<error::Error + Send + Sync>;
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync`
[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/searcher.rs:11:49
[INFO] [stderr]    |
[INFO] [stderr] 11 |         Ok(fstream) => Box::new(fstream) as Box<Read>,
[INFO] [stderr]    |                                                 ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 | type Error = Box<error::Error + Send + Sync>;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/sonar.rs:16:18
[INFO] [stderr]    |
[INFO] [stderr] 16 | type Error = Box<error::Error + Send + Sync>;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.22s
[INFO] running `"docker" "inspect" "4bb6437b7a9bdf07d843c9eec8bb9c0d4066c202d23da98e22fc8842ebaf024d"`
[INFO] running `"docker" "rm" "-f" "4bb6437b7a9bdf07d843c9eec8bb9c0d4066c202d23da98e22fc8842ebaf024d"`
[INFO] [stdout] 4bb6437b7a9bdf07d843c9eec8bb9c0d4066c202d23da98e22fc8842ebaf024d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/waka/sonar:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 23bcd61e3455d5a232a1f3b5014d507a3bdf4c719d11de4a6a081a81bee319cb
[INFO] running `"docker" "start" "-a" "23bcd61e3455d5a232a1f3b5014d507a3bdf4c719d11de4a6a081a81bee319cb"`
[INFO] [stderr]    Compiling sonar v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/searcher.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | type Error = Box<error::Error + Send + Sync>;
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync`
[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/searcher.rs:11:49
[INFO] [stderr]    |
[INFO] [stderr] 11 |         Ok(fstream) => Box::new(fstream) as Box<Read>,
[INFO] [stderr]    |                                                 ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 | type Error = Box<error::Error + Send + Sync>;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "23bcd61e3455d5a232a1f3b5014d507a3bdf4c719d11de4a6a081a81bee319cb"`
[INFO] running `"docker" "rm" "-f" "23bcd61e3455d5a232a1f3b5014d507a3bdf4c719d11de4a6a081a81bee319cb"`
[INFO] [stdout] 23bcd61e3455d5a232a1f3b5014d507a3bdf4c719d11de4a6a081a81bee319cb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/waka/sonar:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 3f0e954deb86e3b9d6a9a14c38d0de6c7abed1fd2d8c5e92aa29b16f2cd47e78
[INFO] running `"docker" "start" "-a" "3f0e954deb86e3b9d6a9a14c38d0de6c7abed1fd2d8c5e92aa29b16f2cd47e78"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sonar-00e50c924b465a41
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sonar-668fe9f5dc2f78d4
[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] [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 sonar
[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" "3f0e954deb86e3b9d6a9a14c38d0de6c7abed1fd2d8c5e92aa29b16f2cd47e78"`
[INFO] running `"docker" "rm" "-f" "3f0e954deb86e3b9d6a9a14c38d0de6c7abed1fd2d8c5e92aa29b16f2cd47e78"`
[INFO] [stdout] 3f0e954deb86e3b9d6a9a14c38d0de6c7abed1fd2d8c5e92aa29b16f2cd47e78