[INFO] updating cached repository https://github.com/mkpankov/greprs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 18af23728eead031190297aee7cd231025e015b5
[INFO] testing mkpankov/greprs against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkpankov%2Fgreprs" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mkpankov/greprs on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mkpankov/greprs
[INFO] finished tweaking git repo https://github.com/mkpankov/greprs
[INFO] tweaked toml for git repo https://github.com/mkpankov/greprs written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mkpankov/greprs already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 02a93076fa7d6024ba77ae1bd924f9dda331d6deafec49fa4e052df7fc6df46f
[INFO] running `"docker" "start" "-a" "02a93076fa7d6024ba77ae1bd924f9dda331d6deafec49fa4e052df7fc6df46f"`
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling textwrap v0.7.0
[INFO] [stderr]    Compiling clap v2.26.0
[INFO] [stderr]    Compiling greprs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.36s
[INFO] running `"docker" "inspect" "02a93076fa7d6024ba77ae1bd924f9dda331d6deafec49fa4e052df7fc6df46f"`
[INFO] running `"docker" "rm" "-f" "02a93076fa7d6024ba77ae1bd924f9dda331d6deafec49fa4e052df7fc6df46f"`
[INFO] [stdout] 02a93076fa7d6024ba77ae1bd924f9dda331d6deafec49fa4e052df7fc6df46f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 220936a3c17e9fb2036b3c7c583d4c224ccc4fbc3900fbae9e3119544818b631
[INFO] running `"docker" "start" "-a" "220936a3c17e9fb2036b3c7c583d4c224ccc4fbc3900fbae9e3119544818b631"`
[INFO] [stderr]    Compiling greprs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "220936a3c17e9fb2036b3c7c583d4c224ccc4fbc3900fbae9e3119544818b631"`
[INFO] running `"docker" "rm" "-f" "220936a3c17e9fb2036b3c7c583d4c224ccc4fbc3900fbae9e3119544818b631"`
[INFO] [stdout] 220936a3c17e9fb2036b3c7c583d4c224ccc4fbc3900fbae9e3119544818b631
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 5130fdcb29daaa63889ef1419435da1c606abbea7140045e8c0c22f79745038a
[INFO] running `"docker" "start" "-a" "5130fdcb29daaa63889ef1419435da1c606abbea7140045e8c0c22f79745038a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/greprs-73fe85b96592a0d3
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test search_cyrilic_entry ... ok
[INFO] [stdout] test search_empty_input ... ok
[INFO] [stdout] test search_directory_nonrecursively ... ok
[INFO] [stdout] test search_no_entries ... ok
[INFO] [stdout] test search_one_entry ... ok
[INFO] [stdout] test search_two_entries ... ok
[INFO] [stderr] 
[INFO] [stderr] thread 'recursive_walk' has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow
[INFO] [stderr] error: process didn't exit successfully: `/opt/rustwide/target/debug/deps/greprs-73fe85b96592a0d3` (signal: 6, SIGABRT: process abort signal)
[INFO] running `"docker" "inspect" "5130fdcb29daaa63889ef1419435da1c606abbea7140045e8c0c22f79745038a"`
[INFO] running `"docker" "rm" "-f" "5130fdcb29daaa63889ef1419435da1c606abbea7140045e8c0c22f79745038a"`
[INFO] [stdout] 5130fdcb29daaa63889ef1419435da1c606abbea7140045e8c0c22f79745038a