[INFO] updating cached repository dkarter/minigrep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dkarter/minigrep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dkarter/minigrep" "work/ex/beta-1.38-1/sources/1.37.0/gh/dkarter/minigrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dkarter/minigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dkarter/minigrep" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dkarter/minigrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dkarter/minigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d0c19ca30f05225ae2c15a79d3e18e3022bf9a7d
[INFO] sha for GitHub repo dkarter/minigrep: d0c19ca30f05225ae2c15a79d3e18e3022bf9a7d
[INFO] validating manifest of dkarter/minigrep 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 dkarter/minigrep 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 dkarter/minigrep
[INFO] finished frobbing dkarter/minigrep
[INFO] frobbed toml for dkarter/minigrep written to work/ex/beta-1.38-1/sources/1.37.0/gh/dkarter/minigrep/Cargo.toml
[INFO] started frobbing dkarter/minigrep
[INFO] finished frobbing dkarter/minigrep
[INFO] frobbed toml for dkarter/minigrep written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dkarter/minigrep/Cargo.toml
[INFO] crate dkarter/minigrep 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 dkarter/minigrep 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dkarter/minigrep:/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] 99f2d4d115d3145242518fad0f539fa68043ba7edd36947533fd65e87c5df5ed
[INFO] running `"docker" "start" "-a" "99f2d4d115d3145242518fad0f539fa68043ba7edd36947533fd65e87c5df5ed"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:6:46
[INFO] [stderr]   |
[INFO] [stderr] 6 | 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 1.48s
[INFO] running `"docker" "inspect" "99f2d4d115d3145242518fad0f539fa68043ba7edd36947533fd65e87c5df5ed"`
[INFO] running `"docker" "rm" "-f" "99f2d4d115d3145242518fad0f539fa68043ba7edd36947533fd65e87c5df5ed"`
[INFO] [stdout] 99f2d4d115d3145242518fad0f539fa68043ba7edd36947533fd65e87c5df5ed
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dkarter/minigrep:/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] f06f7a82e52c901313472dd98d06d79c3593eeb24b409f3540292c04a18070f3
[INFO] running `"docker" "start" "-a" "f06f7a82e52c901313472dd98d06d79c3593eeb24b409f3540292c04a18070f3"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:6:46
[INFO] [stderr]   |
[INFO] [stderr] 6 | 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 1.48s
[INFO] running `"docker" "inspect" "f06f7a82e52c901313472dd98d06d79c3593eeb24b409f3540292c04a18070f3"`
[INFO] running `"docker" "rm" "-f" "f06f7a82e52c901313472dd98d06d79c3593eeb24b409f3540292c04a18070f3"`
[INFO] [stdout] f06f7a82e52c901313472dd98d06d79c3593eeb24b409f3540292c04a18070f3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dkarter/minigrep:/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] 5ef3af0931768b25ffd5eab87f93714b47cdde1bb0b46e2a258c5b6c504bb4ed
[INFO] running `"docker" "start" "-a" "5ef3af0931768b25ffd5eab87f93714b47cdde1bb0b46e2a258c5b6c504bb4ed"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minigrep-f788900508bc8193
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minigrep-2526d647343947d2
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests minigrep
[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] [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] running `"docker" "inspect" "5ef3af0931768b25ffd5eab87f93714b47cdde1bb0b46e2a258c5b6c504bb4ed"`
[INFO] running `"docker" "rm" "-f" "5ef3af0931768b25ffd5eab87f93714b47cdde1bb0b46e2a258c5b6c504bb4ed"`
[INFO] [stdout] 5ef3af0931768b25ffd5eab87f93714b47cdde1bb0b46e2a258c5b6c504bb4ed