[INFO] updating cached repository mkpankov/greprs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mkpankov/greprs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mkpankov/greprs" "work/ex/beta-1.38-1/sources/1.37.0/gh/mkpankov/greprs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mkpankov/greprs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mkpankov/greprs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mkpankov/greprs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mkpankov/greprs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 18af23728eead031190297aee7cd231025e015b5
[INFO] sha for GitHub repo mkpankov/greprs: 18af23728eead031190297aee7cd231025e015b5
[INFO] validating manifest of mkpankov/greprs 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 mkpankov/greprs 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 mkpankov/greprs
[INFO] finished frobbing mkpankov/greprs
[INFO] frobbed toml for mkpankov/greprs written to work/ex/beta-1.38-1/sources/1.37.0/gh/mkpankov/greprs/Cargo.toml
[INFO] started frobbing mkpankov/greprs
[INFO] finished frobbing mkpankov/greprs
[INFO] frobbed toml for mkpankov/greprs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mkpankov/greprs/Cargo.toml
[INFO] crate mkpankov/greprs 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 mkpankov/greprs 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mkpankov/greprs:/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] 342d206b9a835ecb3485029b728031cf3630dccbadf5d7b9d63c3ed7f346bf5d
[INFO] running `"docker" "start" "-a" "342d206b9a835ecb3485029b728031cf3630dccbadf5d7b9d63c3ed7f346bf5d"`
[INFO] [stderr]    Compiling greprs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `"docker" "inspect" "342d206b9a835ecb3485029b728031cf3630dccbadf5d7b9d63c3ed7f346bf5d"`
[INFO] running `"docker" "rm" "-f" "342d206b9a835ecb3485029b728031cf3630dccbadf5d7b9d63c3ed7f346bf5d"`
[INFO] [stdout] 342d206b9a835ecb3485029b728031cf3630dccbadf5d7b9d63c3ed7f346bf5d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mkpankov/greprs:/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] 919c819c270ac4390e3eb5c79e5086c03b49549677a17a00e2307c11184a9e81
[INFO] running `"docker" "start" "-a" "919c819c270ac4390e3eb5c79e5086c03b49549677a17a00e2307c11184a9e81"`
[INFO] [stderr]    Compiling greprs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "919c819c270ac4390e3eb5c79e5086c03b49549677a17a00e2307c11184a9e81"`
[INFO] running `"docker" "rm" "-f" "919c819c270ac4390e3eb5c79e5086c03b49549677a17a00e2307c11184a9e81"`
[INFO] [stdout] 919c819c270ac4390e3eb5c79e5086c03b49549677a17a00e2307c11184a9e81
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mkpankov/greprs:/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] 9e5265866fec194e421c20ca5cc3770dfc567800eaead0bc75fd4663cc9b1bea
[INFO] running `"docker" "start" "-a" "9e5265866fec194e421c20ca5cc3770dfc567800eaead0bc75fd4663cc9b1bea"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/greprs-46eba5327481db7f
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test search_cyrilic_entry ... 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_empty_input ... 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/crater/target/debug/deps/greprs-46eba5327481db7f` (signal: 6, SIGABRT: process abort signal)
[INFO] running `"docker" "inspect" "9e5265866fec194e421c20ca5cc3770dfc567800eaead0bc75fd4663cc9b1bea"`
[INFO] running `"docker" "rm" "-f" "9e5265866fec194e421c20ca5cc3770dfc567800eaead0bc75fd4663cc9b1bea"`
[INFO] [stdout] 9e5265866fec194e421c20ca5cc3770dfc567800eaead0bc75fd4663cc9b1bea