[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 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-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 197d87fc72ba5b103226a9e14283b2c0ebd351896ffcdcdf3e57968a5f61103d
[INFO] running `"docker" "start" "-a" "197d87fc72ba5b103226a9e14283b2c0ebd351896ffcdcdf3e57968a5f61103d"`
[INFO] [stderr]    Compiling greprs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `"docker" "inspect" "197d87fc72ba5b103226a9e14283b2c0ebd351896ffcdcdf3e57968a5f61103d"`
[INFO] running `"docker" "rm" "-f" "197d87fc72ba5b103226a9e14283b2c0ebd351896ffcdcdf3e57968a5f61103d"`
[INFO] [stdout] 197d87fc72ba5b103226a9e14283b2c0ebd351896ffcdcdf3e57968a5f61103d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 766f80895d42a8f36a9c6fd6274a4a25e35ce55307071b98506c23539e049325
[INFO] running `"docker" "start" "-a" "766f80895d42a8f36a9c6fd6274a4a25e35ce55307071b98506c23539e049325"`
[INFO] [stderr]    Compiling greprs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "766f80895d42a8f36a9c6fd6274a4a25e35ce55307071b98506c23539e049325"`
[INFO] running `"docker" "rm" "-f" "766f80895d42a8f36a9c6fd6274a4a25e35ce55307071b98506c23539e049325"`
[INFO] [stdout] 766f80895d42a8f36a9c6fd6274a4a25e35ce55307071b98506c23539e049325
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] bc43914b24351dc79fe32f0b291c81c4a3e2e6a0ce6551eda74b4014708c6fa0
[INFO] running `"docker" "start" "-a" "bc43914b24351dc79fe32f0b291c81c4a3e2e6a0ce6551eda74b4014708c6fa0"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/greprs-836e67dc319c2d61
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test search_no_entries ... ok
[INFO] [stdout] test search_one_entry ... ok
[INFO] [stdout] test search_directory_nonrecursively ... ok
[INFO] [stdout] test search_two_entries ... ok
[INFO] [stdout] test search_empty_input ... ok
[INFO] [stdout] test search_cyrilic_entry ... 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-836e67dc319c2d61` (signal: 6, SIGABRT: process abort signal)
[INFO] running `"docker" "inspect" "bc43914b24351dc79fe32f0b291c81c4a3e2e6a0ce6551eda74b4014708c6fa0"`
[INFO] running `"docker" "rm" "-f" "bc43914b24351dc79fe32f0b291c81c4a3e2e6a0ce6551eda74b4014708c6fa0"`
[INFO] [stdout] bc43914b24351dc79fe32f0b291c81c4a3e2e6a0ce6551eda74b4014708c6fa0