[INFO] updating cached repository a-castellano/tiny-grep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/a-castellano/tiny-grep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/a-castellano/tiny-grep" "work/ex/beta-1.38-1/sources/1.37.0/gh/a-castellano/tiny-grep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/a-castellano/tiny-grep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/a-castellano/tiny-grep" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/a-castellano/tiny-grep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/a-castellano/tiny-grep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f017e51e86d708ce763f7c365b49a36a6f86e37b
[INFO] sha for GitHub repo a-castellano/tiny-grep: f017e51e86d708ce763f7c365b49a36a6f86e37b
[INFO] validating manifest of a-castellano/tiny-grep 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 a-castellano/tiny-grep 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 a-castellano/tiny-grep
[INFO] finished frobbing a-castellano/tiny-grep
[INFO] frobbed toml for a-castellano/tiny-grep written to work/ex/beta-1.38-1/sources/1.37.0/gh/a-castellano/tiny-grep/Cargo.toml
[INFO] started frobbing a-castellano/tiny-grep
[INFO] finished frobbing a-castellano/tiny-grep
[INFO] frobbed toml for a-castellano/tiny-grep written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/a-castellano/tiny-grep/Cargo.toml
[INFO] crate a-castellano/tiny-grep 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 a-castellano/tiny-grep 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-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/a-castellano/tiny-grep:/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] 720ca91aa4839db651a3275427162ad051b504113b4c9e54516756ebcc28a5c8
[INFO] running `"docker" "start" "-a" "720ca91aa4839db651a3275427162ad051b504113b4c9e54516756ebcc28a5c8"`
[INFO] [stderr]    Compiling tinygrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:62:46
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub fn run(config: Config) -> Result<(), Box<Error>>{
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `"docker" "inspect" "720ca91aa4839db651a3275427162ad051b504113b4c9e54516756ebcc28a5c8"`
[INFO] running `"docker" "rm" "-f" "720ca91aa4839db651a3275427162ad051b504113b4c9e54516756ebcc28a5c8"`
[INFO] [stdout] 720ca91aa4839db651a3275427162ad051b504113b4c9e54516756ebcc28a5c8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/a-castellano/tiny-grep:/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] ee8867d886a82d86f6cc80a06c7e62b1a9edb9c1d7a6adc63149c945ba409e6a
[INFO] running `"docker" "start" "-a" "ee8867d886a82d86f6cc80a06c7e62b1a9edb9c1d7a6adc63149c945ba409e6a"`
[INFO] [stderr]    Compiling tinygrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:62:46
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub fn run(config: Config) -> Result<(), Box<Error>>{
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `"docker" "inspect" "ee8867d886a82d86f6cc80a06c7e62b1a9edb9c1d7a6adc63149c945ba409e6a"`
[INFO] running `"docker" "rm" "-f" "ee8867d886a82d86f6cc80a06c7e62b1a9edb9c1d7a6adc63149c945ba409e6a"`
[INFO] [stdout] ee8867d886a82d86f6cc80a06c7e62b1a9edb9c1d7a6adc63149c945ba409e6a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/a-castellano/tiny-grep:/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] 15f02dfb65eda1216f9e494cf02e072e4dceb779acb93a552491b225ecf135b7
[INFO] running `"docker" "start" "-a" "15f02dfb65eda1216f9e494cf02e072e4dceb779acb93a552491b225ecf135b7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tinygrep-3cebf2cd6fe4b7c2
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::case_insensitive ... ok
[INFO] [stdout] test test::case_sensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tinygrep-c4e8194b1d683caa
[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 tinygrep
[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" "15f02dfb65eda1216f9e494cf02e072e4dceb779acb93a552491b225ecf135b7"`
[INFO] running `"docker" "rm" "-f" "15f02dfb65eda1216f9e494cf02e072e4dceb779acb93a552491b225ecf135b7"`
[INFO] [stdout] 15f02dfb65eda1216f9e494cf02e072e4dceb779acb93a552491b225ecf135b7