[INFO] updating cached repository https://github.com/mkpankov/greprs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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 try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkpankov%2Fgreprs" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mkpankov/greprs on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "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 /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mkpankov/greprs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a4e2b87da1bf44450dbd1777fb4e2be62652c918d9aeef9f00a0eef95e6b4e8b
[INFO] running `"docker" "start" "-a" "a4e2b87da1bf44450dbd1777fb4e2be62652c918d9aeef9f00a0eef95e6b4e8b"`
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling term v0.4.6
[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] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:111:52
[INFO] [stderr]     |
[INFO] [stderr] 111 |             writeln!(io::stderr(), "Error: {}.", e.description()).unwrap();
[INFO] [stderr]     |                                                    ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:189:56
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 writeln!(io::stderr(), "Error: {}.", e.description()).unwrap();
[INFO] [stderr]     |                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:196:68
[INFO] [stderr]     |
[INFO] [stderr] 196 | ...                   writeln!(io::stderr(), "Error: {}.", e.description()).unwrap();
[INFO] [stderr]     |                                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.89s
[INFO] running `"docker" "inspect" "a4e2b87da1bf44450dbd1777fb4e2be62652c918d9aeef9f00a0eef95e6b4e8b"`
[INFO] running `"docker" "rm" "-f" "a4e2b87da1bf44450dbd1777fb4e2be62652c918d9aeef9f00a0eef95e6b4e8b"`
[INFO] [stdout] a4e2b87da1bf44450dbd1777fb4e2be62652c918d9aeef9f00a0eef95e6b4e8b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5ace408ed66ce03410ffdb61208549889f4c042a035f481bef8ef02d30facdc7
[INFO] running `"docker" "start" "-a" "5ace408ed66ce03410ffdb61208549889f4c042a035f481bef8ef02d30facdc7"`
[INFO] [stderr]    Compiling greprs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:111:52
[INFO] [stderr]     |
[INFO] [stderr] 111 |             writeln!(io::stderr(), "Error: {}.", e.description()).unwrap();
[INFO] [stderr]     |                                                    ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:189:56
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 writeln!(io::stderr(), "Error: {}.", e.description()).unwrap();
[INFO] [stderr]     |                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:196:68
[INFO] [stderr]     |
[INFO] [stderr] 196 | ...                   writeln!(io::stderr(), "Error: {}.", e.description()).unwrap();
[INFO] [stderr]     |                                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:111:52
[INFO] [stderr]     |
[INFO] [stderr] 111 |             writeln!(io::stderr(), "Error: {}.", e.description()).unwrap();
[INFO] [stderr]     |                                                    ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:189:56
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 writeln!(io::stderr(), "Error: {}.", e.description()).unwrap();
[INFO] [stderr]     |                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:196:68
[INFO] [stderr]     |
[INFO] [stderr] 196 | ...                   writeln!(io::stderr(), "Error: {}.", e.description()).unwrap();
[INFO] [stderr]     |                                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `"docker" "inspect" "5ace408ed66ce03410ffdb61208549889f4c042a035f481bef8ef02d30facdc7"`
[INFO] running `"docker" "rm" "-f" "5ace408ed66ce03410ffdb61208549889f4c042a035f481bef8ef02d30facdc7"`
[INFO] [stdout] 5ace408ed66ce03410ffdb61208549889f4c042a035f481bef8ef02d30facdc7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ed6b43290fae2e2a30fa9cf29eaf3a971b5040610059a2c14d6d0a87bfa82d27
[INFO] running `"docker" "start" "-a" "ed6b43290fae2e2a30fa9cf29eaf3a971b5040610059a2c14d6d0a87bfa82d27"`
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:111:52
[INFO] [stderr]     |
[INFO] [stderr] 111 |             writeln!(io::stderr(), "Error: {}.", e.description()).unwrap();
[INFO] [stderr]     |                                                    ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:189:56
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 writeln!(io::stderr(), "Error: {}.", e.description()).unwrap();
[INFO] [stderr]     |                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:196:68
[INFO] [stderr]     |
[INFO] [stderr] 196 | ...                   writeln!(io::stderr(), "Error: {}.", e.description()).unwrap();
[INFO] [stderr]     |                                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:111:52
[INFO] [stderr]     |
[INFO] [stderr] 111 |             writeln!(io::stderr(), "Error: {}.", e.description()).unwrap();
[INFO] [stderr]     |                                                    ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:189:56
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 writeln!(io::stderr(), "Error: {}.", e.description()).unwrap();
[INFO] [stderr]     |                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:196:68
[INFO] [stderr]     |
[INFO] [stderr] 196 | ...                   writeln!(io::stderr(), "Error: {}.", e.description()).unwrap();
[INFO] [stderr]     |                                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/greprs-02e710470469cc4a
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test search_empty_input ... ok
[INFO] [stdout] test search_cyrilic_entry ... ok
[INFO] [stdout] test search_no_entries ... ok
[INFO] [stdout] test search_directory_nonrecursively ... 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: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/greprs-02e710470469cc4a` (signal: 6, SIGABRT: process abort signal)
[INFO] running `"docker" "inspect" "ed6b43290fae2e2a30fa9cf29eaf3a971b5040610059a2c14d6d0a87bfa82d27"`
[INFO] running `"docker" "rm" "-f" "ed6b43290fae2e2a30fa9cf29eaf3a971b5040610059a2c14d6d0a87bfa82d27"`
[INFO] [stdout] ed6b43290fae2e2a30fa9cf29eaf3a971b5040610059a2c14d6d0a87bfa82d27