[INFO] updating cached repository shengLin-alex/rust-minigrep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/shengLin-alex/rust-minigrep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/shengLin-alex/rust-minigrep" "work/ex/beta-1.37-6/sources/1.36.0/gh/shengLin-alex/rust-minigrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/shengLin-alex/rust-minigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/shengLin-alex/rust-minigrep" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shengLin-alex/rust-minigrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shengLin-alex/rust-minigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b091fa257658039cbcd309ed81d9cb85b02bc0a8
[INFO] sha for GitHub repo shengLin-alex/rust-minigrep: b091fa257658039cbcd309ed81d9cb85b02bc0a8
[INFO] validating manifest of shengLin-alex/rust-minigrep 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 shengLin-alex/rust-minigrep 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 shengLin-alex/rust-minigrep
[INFO] finished frobbing shengLin-alex/rust-minigrep
[INFO] frobbed toml for shengLin-alex/rust-minigrep written to work/ex/beta-1.37-6/sources/1.36.0/gh/shengLin-alex/rust-minigrep/Cargo.toml
[INFO] started frobbing shengLin-alex/rust-minigrep
[INFO] finished frobbing shengLin-alex/rust-minigrep
[INFO] frobbed toml for shengLin-alex/rust-minigrep written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shengLin-alex/rust-minigrep/Cargo.toml
[INFO] crate shengLin-alex/rust-minigrep 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 shengLin-alex/rust-minigrep 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-7/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/shengLin-alex/rust-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 4f167096635027a57739c9ea382a2ad80463b189d4923446890ee928f5152b88
[INFO] running `"docker" "start" "-a" "4f167096635027a57739c9ea382a2ad80463b189d4923446890ee928f5152b88"`
[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:49:46
[INFO] [stderr]    |
[INFO] [stderr] 49 | 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 1.33s
[INFO] running `"docker" "inspect" "4f167096635027a57739c9ea382a2ad80463b189d4923446890ee928f5152b88"`
[INFO] running `"docker" "rm" "-f" "4f167096635027a57739c9ea382a2ad80463b189d4923446890ee928f5152b88"`
[INFO] [stdout] 4f167096635027a57739c9ea382a2ad80463b189d4923446890ee928f5152b88
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/shengLin-alex/rust-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] d417b42caaf20c6fd08d93b0f3d11e0ef34aaab090bd1d45466bf905e03eed0a
[INFO] running `"docker" "start" "-a" "d417b42caaf20c6fd08d93b0f3d11e0ef34aaab090bd1d45466bf905e03eed0a"`
[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:49:46
[INFO] [stderr]    |
[INFO] [stderr] 49 | 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 0.85s
[INFO] running `"docker" "inspect" "d417b42caaf20c6fd08d93b0f3d11e0ef34aaab090bd1d45466bf905e03eed0a"`
[INFO] running `"docker" "rm" "-f" "d417b42caaf20c6fd08d93b0f3d11e0ef34aaab090bd1d45466bf905e03eed0a"`
[INFO] [stdout] d417b42caaf20c6fd08d93b0f3d11e0ef34aaab090bd1d45466bf905e03eed0a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/shengLin-alex/rust-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] a0fbc081cdacaa9206b68eae318c7b0139b78781751e9eed1e363b1816e3941c
[INFO] running `"docker" "start" "-a" "a0fbc081cdacaa9206b68eae318c7b0139b78781751e9eed1e363b1816e3941c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minigrep-b46b2ee1244c7ce8
[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]      Running /opt/crater/target/debug/deps/minigrep-6ed64f0fca6cec40
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test-4f633a7a49e4a5ee
[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 2 tests
[INFO] [stdout] test cast_insensitive ... ok
[INFO] [stdout] test cast_sensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests minigrep
[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" "a0fbc081cdacaa9206b68eae318c7b0139b78781751e9eed1e363b1816e3941c"`
[INFO] running `"docker" "rm" "-f" "a0fbc081cdacaa9206b68eae318c7b0139b78781751e9eed1e363b1816e3941c"`
[INFO] [stdout] a0fbc081cdacaa9206b68eae318c7b0139b78781751e9eed1e363b1816e3941c