[INFO] cloning repository https://github.com/mkpankov/greprs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkpankov/greprs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkpankov%2Fgreprs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkpankov%2Fgreprs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18af23728eead031190297aee7cd231025e015b5
[INFO] testing mkpankov/greprs against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkpankov%2Fgreprs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mkpankov/greprs on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mkpankov/greprs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4517d11a22d56f47d621404c04f8de215885e4d93ce1fe70ebafa888f7e473fa
[INFO] running `Command { std: "docker" "start" "-a" "4517d11a22d56f47d621404c04f8de215885e4d93ce1fe70ebafa888f7e473fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4517d11a22d56f47d621404c04f8de215885e4d93ce1fe70ebafa888f7e473fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4517d11a22d56f47d621404c04f8de215885e4d93ce1fe70ebafa888f7e473fa", kill_on_drop: false }`
[INFO] [stdout] 4517d11a22d56f47d621404c04f8de215885e4d93ce1fe70ebafa888f7e473fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31dba98bfdcf4e2e44978af022c01df56c4e0f1cc68a619ea5c82085f0630800
[INFO] running `Command { std: "docker" "start" "-a" "31dba98bfdcf4e2e44978af022c01df56c4e0f1cc68a619ea5c82085f0630800", kill_on_drop: false }`
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling greprs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:111:52
[INFO] [stdout]     |
[INFO] [stdout] 111 |             writeln!(io::stderr(), "Error: {}.", e.description()).unwrap();
[INFO] [stdout]     |                                                    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:189:56
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 writeln!(io::stderr(), "Error: {}.", e.description()).unwrap();
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:196:68
[INFO] [stdout]     |
[INFO] [stdout] 196 | ...                   writeln!(io::stderr(), "Error: {}.", e.description()).unwrap();
[INFO] [stdout]     |                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.70s
[INFO] running `Command { std: "docker" "inspect" "31dba98bfdcf4e2e44978af022c01df56c4e0f1cc68a619ea5c82085f0630800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31dba98bfdcf4e2e44978af022c01df56c4e0f1cc68a619ea5c82085f0630800", kill_on_drop: false }`
[INFO] [stdout] 31dba98bfdcf4e2e44978af022c01df56c4e0f1cc68a619ea5c82085f0630800
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fb6e2da49890051bf64933751ce8cecd0de80dfb1ea90ac1342221ea4690ff3
[INFO] running `Command { std: "docker" "start" "-a" "3fb6e2da49890051bf64933751ce8cecd0de80dfb1ea90ac1342221ea4690ff3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling greprs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:111:52
[INFO] [stdout]     |
[INFO] [stdout] 111 |             writeln!(io::stderr(), "Error: {}.", e.description()).unwrap();
[INFO] [stdout]     |                                                    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:189:56
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 writeln!(io::stderr(), "Error: {}.", e.description()).unwrap();
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:196:68
[INFO] [stdout]     |
[INFO] [stdout] 196 | ...                   writeln!(io::stderr(), "Error: {}.", e.description()).unwrap();
[INFO] [stdout]     |                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:111:52
[INFO] [stdout]     |
[INFO] [stdout] 111 |             writeln!(io::stderr(), "Error: {}.", e.description()).unwrap();
[INFO] [stdout]     |                                                    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:189:56
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 writeln!(io::stderr(), "Error: {}.", e.description()).unwrap();
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:196:68
[INFO] [stdout]     |
[INFO] [stdout] 196 | ...                   writeln!(io::stderr(), "Error: {}.", e.description()).unwrap();
[INFO] [stdout]     |                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "3fb6e2da49890051bf64933751ce8cecd0de80dfb1ea90ac1342221ea4690ff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fb6e2da49890051bf64933751ce8cecd0de80dfb1ea90ac1342221ea4690ff3", kill_on_drop: false }`
[INFO] [stdout] 3fb6e2da49890051bf64933751ce8cecd0de80dfb1ea90ac1342221ea4690ff3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dcfa0ce6794b136f11d240deb1e54dbac68d9e649ba48843271d485f1bd0bdb3
[INFO] running `Command { std: "docker" "start" "-a" "dcfa0ce6794b136f11d240deb1e54dbac68d9e649ba48843271d485f1bd0bdb3", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `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 associated function `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 associated function `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: `greprs` (lib) generated 3 warnings
[INFO] [stderr] warning: `greprs` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/greprs-ca1dd35b8c65d03d)
[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_one_entry ... ok
[INFO] [stdout] test search_no_entries ... ok
[INFO] [stdout] test search_directory_nonrecursively ... 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-ca1dd35b8c65d03d` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "dcfa0ce6794b136f11d240deb1e54dbac68d9e649ba48843271d485f1bd0bdb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcfa0ce6794b136f11d240deb1e54dbac68d9e649ba48843271d485f1bd0bdb3", kill_on_drop: false }`
[INFO] [stdout] dcfa0ce6794b136f11d240deb1e54dbac68d9e649ba48843271d485f1bd0bdb3