[INFO] cloning repository https://github.com/neara/rust_cli_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neara/rust_cli_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneara%2Frust_cli_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneara%2Frust_cli_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] daf371775f10d186a076b789d0a9f7fb123cad8c
[INFO] testing neara/rust_cli_example against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneara%2Frust_cli_example" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neara/rust_cli_example on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/neara/rust_cli_example
[INFO] finished tweaking git repo https://github.com/neara/rust_cli_example
[INFO] tweaked toml for git repo https://github.com/neara/rust_cli_example written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/neara/rust_cli_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93387fd801be4e7bead77210ef7fcd0c38f031e41dcb0fe59877eb445ea300e9
[INFO] running `Command { std: "docker" "start" "-a" "93387fd801be4e7bead77210ef7fcd0c38f031e41dcb0fe59877eb445ea300e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93387fd801be4e7bead77210ef7fcd0c38f031e41dcb0fe59877eb445ea300e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93387fd801be4e7bead77210ef7fcd0c38f031e41dcb0fe59877eb445ea300e9", kill_on_drop: false }`
[INFO] [stdout] 93387fd801be4e7bead77210ef7fcd0c38f031e41dcb0fe59877eb445ea300e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ccc25cb358459fc1dcb1a6bee821cc62c8467d29e1d808820bb20f7bc76347f
[INFO] running `Command { std: "docker" "start" "-a" "2ccc25cb358459fc1dcb1a6bee821cc62c8467d29e1d808820bb20f7bc76347f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling grepper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `info`
[INFO] [stdout]   --> src/logger.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn info(&self, message: &str, extra_params: Option<&LogExtraParams>) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `error`
[INFO] [stdout]   --> src/logger.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn error(&self, message: &str, extra_params: Option<&LogExtraParams>) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.50s
[INFO] running `Command { std: "docker" "inspect" "2ccc25cb358459fc1dcb1a6bee821cc62c8467d29e1d808820bb20f7bc76347f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ccc25cb358459fc1dcb1a6bee821cc62c8467d29e1d808820bb20f7bc76347f", kill_on_drop: false }`
[INFO] [stdout] 2ccc25cb358459fc1dcb1a6bee821cc62c8467d29e1d808820bb20f7bc76347f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5aae39c1a15f6c0133d812f4972c5ffc40436051e80193bef93a7cbf13aae261
[INFO] running `Command { std: "docker" "start" "-a" "5aae39c1a15f6c0133d812f4972c5ffc40436051e80193bef93a7cbf13aae261", kill_on_drop: false }`
[INFO] [stderr]    Compiling grepper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `info`
[INFO] [stdout]   --> src/logger.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn info(&self, message: &str, extra_params: Option<&LogExtraParams>) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `error`
[INFO] [stdout]   --> src/logger.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn error(&self, message: &str, extra_params: Option<&LogExtraParams>) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "5aae39c1a15f6c0133d812f4972c5ffc40436051e80193bef93a7cbf13aae261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aae39c1a15f6c0133d812f4972c5ffc40436051e80193bef93a7cbf13aae261", kill_on_drop: false }`
[INFO] [stdout] 5aae39c1a15f6c0133d812f4972c5ffc40436051e80193bef93a7cbf13aae261
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3df9941025b2aaab236d03ff8c1f6708f9c2ca944ffc3b25a260e8203fce302d
[INFO] running `Command { std: "docker" "start" "-a" "3df9941025b2aaab236d03ff8c1f6708f9c2ca944ffc3b25a260e8203fce302d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: associated function is never used: `info`
[INFO] [stdout] running 1 test
[INFO] [stderr]   --> src/logger.rs:59:12
[INFO] [stdout] test engine::search::test::one_result ... ok
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 59 |     pub fn info(&self, message: &str, extra_params: Option<&LogExtraParams>) {
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |            ^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `error`
[INFO] [stderr]   --> src/logger.rs:66:12
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn error(&self, message: &str, extra_params: Option<&LogExtraParams>) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `grepper` (bin "grepper" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grepper-6ecaa583935fac5e)
[INFO] running `Command { std: "docker" "inspect" "3df9941025b2aaab236d03ff8c1f6708f9c2ca944ffc3b25a260e8203fce302d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df9941025b2aaab236d03ff8c1f6708f9c2ca944ffc3b25a260e8203fce302d", kill_on_drop: false }`
[INFO] [stdout] 3df9941025b2aaab236d03ff8c1f6708f9c2ca944ffc3b25a260e8203fce302d