[INFO] updating cached repository enzoz/minigrep-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/enzoz/minigrep-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/enzoz/minigrep-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/enzoz/minigrep-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/enzoz/minigrep-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/enzoz/minigrep-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/enzoz/minigrep-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/enzoz/minigrep-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a88e69edcc564d8dac430dac66b51ae95d89ed51
[INFO] sha for GitHub repo enzoz/minigrep-rust: a88e69edcc564d8dac430dac66b51ae95d89ed51
[INFO] validating manifest of enzoz/minigrep-rust 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 enzoz/minigrep-rust 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 enzoz/minigrep-rust
[INFO] finished frobbing enzoz/minigrep-rust
[INFO] frobbed toml for enzoz/minigrep-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/enzoz/minigrep-rust/Cargo.toml
[INFO] started frobbing enzoz/minigrep-rust
[INFO] finished frobbing enzoz/minigrep-rust
[INFO] frobbed toml for enzoz/minigrep-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/enzoz/minigrep-rust/Cargo.toml
[INFO] crate enzoz/minigrep-rust 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 enzoz/minigrep-rust 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/enzoz/minigrep-rust:/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] 9ba6fd8fa972d491df632d019e3fb80ed55cca9fa35c9ef446799674dbbe2d2d
[INFO] running `"docker" "start" "-a" "9ba6fd8fa972d491df632d019e3fb80ed55cca9fa35c9ef446799674dbbe2d2d"`
[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:27:46
[INFO] [stderr]    |
[INFO] [stderr] 27 | 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 1.01s
[INFO] running `"docker" "inspect" "9ba6fd8fa972d491df632d019e3fb80ed55cca9fa35c9ef446799674dbbe2d2d"`
[INFO] running `"docker" "rm" "-f" "9ba6fd8fa972d491df632d019e3fb80ed55cca9fa35c9ef446799674dbbe2d2d"`
[INFO] [stdout] 9ba6fd8fa972d491df632d019e3fb80ed55cca9fa35c9ef446799674dbbe2d2d
[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/enzoz/minigrep-rust:/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] b522149b45c2e3c643f7a9455f13bde4db0843500ae5290f0b27328340a8f114
[INFO] running `"docker" "start" "-a" "b522149b45c2e3c643f7a9455f13bde4db0843500ae5290f0b27328340a8f114"`
[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:27:46
[INFO] [stderr]    |
[INFO] [stderr] 27 | 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 1.21s
[INFO] running `"docker" "inspect" "b522149b45c2e3c643f7a9455f13bde4db0843500ae5290f0b27328340a8f114"`
[INFO] running `"docker" "rm" "-f" "b522149b45c2e3c643f7a9455f13bde4db0843500ae5290f0b27328340a8f114"`
[INFO] [stdout] b522149b45c2e3c643f7a9455f13bde4db0843500ae5290f0b27328340a8f114
[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/enzoz/minigrep-rust:/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] 7e05ec232712eb200f872de97ba209ad9eafb4fc5b3816fbe2c51152b840889d
[INFO] running `"docker" "start" "-a" "7e05ec232712eb200f872de97ba209ad9eafb4fc5b3816fbe2c51152b840889d"`
[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 2 tests
[INFO] [stdout] test test::case_insensitive ... ok
[INFO] [stdout] test test::case_sensitive ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minigrep-6ed64f0fca6cec40
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests minigrep
[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" "7e05ec232712eb200f872de97ba209ad9eafb4fc5b3816fbe2c51152b840889d"`
[INFO] running `"docker" "rm" "-f" "7e05ec232712eb200f872de97ba209ad9eafb4fc5b3816fbe2c51152b840889d"`
[INFO] [stdout] 7e05ec232712eb200f872de97ba209ad9eafb4fc5b3816fbe2c51152b840889d