[INFO] crate microgrep 0.0.1 is already in cache
[INFO] extracting crate microgrep 0.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/microgrep/0.0.1
[INFO] extracting crate microgrep 0.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/microgrep/0.0.1
[INFO] validating manifest of microgrep-0.0.1 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 microgrep-0.0.1 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 microgrep-0.0.1
[INFO] finished frobbing microgrep-0.0.1
[INFO] frobbed toml for microgrep-0.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/microgrep/0.0.1/Cargo.toml
[INFO] started frobbing microgrep-0.0.1
[INFO] finished frobbing microgrep-0.0.1
[INFO] frobbed toml for microgrep-0.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/microgrep/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 microgrep-0.0.1 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/reg/microgrep/0.0.1:/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] efc6614ab7c966503d4aeea646e1000e2f229006a5c743087cdc82bb12773609
[INFO] running `"docker" "start" "-a" "efc6614ab7c966503d4aeea646e1000e2f229006a5c743087cdc82bb12773609"`
[INFO] [stderr]    Compiling microgrep v0.0.1 (/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 1.30s
[INFO] running `"docker" "inspect" "efc6614ab7c966503d4aeea646e1000e2f229006a5c743087cdc82bb12773609"`
[INFO] running `"docker" "rm" "-f" "efc6614ab7c966503d4aeea646e1000e2f229006a5c743087cdc82bb12773609"`
[INFO] [stdout] efc6614ab7c966503d4aeea646e1000e2f229006a5c743087cdc82bb12773609
[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/reg/microgrep/0.0.1:/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] 57f4204b0be0b9d381dfdda969c7dabe37c6c1fe7a5efaaa7fc91edfd70c3a6d
[INFO] running `"docker" "start" "-a" "57f4204b0be0b9d381dfdda969c7dabe37c6c1fe7a5efaaa7fc91edfd70c3a6d"`
[INFO] [stderr]    Compiling microgrep v0.0.1 (/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 1.09s
[INFO] running `"docker" "inspect" "57f4204b0be0b9d381dfdda969c7dabe37c6c1fe7a5efaaa7fc91edfd70c3a6d"`
[INFO] running `"docker" "rm" "-f" "57f4204b0be0b9d381dfdda969c7dabe37c6c1fe7a5efaaa7fc91edfd70c3a6d"`
[INFO] [stdout] 57f4204b0be0b9d381dfdda969c7dabe37c6c1fe7a5efaaa7fc91edfd70c3a6d
[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/reg/microgrep/0.0.1:/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] 1fcca87e375b08c9f7b383842c23e021fe260b4b29fcbf05eff1bf23207d9d31
[INFO] running `"docker" "start" "-a" "1fcca87e375b08c9f7b383842c23e021fe260b4b29fcbf05eff1bf23207d9d31"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/microgrep-eece96ab77f0f005
[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] [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/microgrep-0f29d6d227ce5c5f
[INFO] [stderr]    Doc-tests microgrep
[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" "1fcca87e375b08c9f7b383842c23e021fe260b4b29fcbf05eff1bf23207d9d31"`
[INFO] running `"docker" "rm" "-f" "1fcca87e375b08c9f7b383842c23e021fe260b4b29fcbf05eff1bf23207d9d31"`
[INFO] [stdout] 1fcca87e375b08c9f7b383842c23e021fe260b4b29fcbf05eff1bf23207d9d31