[INFO] cloning repository https://github.com/umaresso/cwd-grepper-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/umaresso/cwd-grepper-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumaresso%2Fcwd-grepper-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumaresso%2Fcwd-grepper-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62827affa264ec67fb416e67f4f379b3218f7078
[INFO] testing umaresso/cwd-grepper-Rust against 1.77.0 for beta-1.78-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumaresso%2Fcwd-grepper-Rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/umaresso/cwd-grepper-Rust on toolchain 1.77.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.77.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/umaresso/cwd-grepper-Rust
[INFO] finished tweaking git repo https://github.com/umaresso/cwd-grepper-Rust
[INFO] tweaked toml for git repo https://github.com/umaresso/cwd-grepper-Rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/umaresso/cwd-grepper-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.77.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42ae51db3471ce9f689917e37f7d46f270626faaed1b25b818e41a34f57c7f97
[INFO] running `Command { std: "docker" "start" "-a" "42ae51db3471ce9f689917e37f7d46f270626faaed1b25b818e41a34f57c7f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42ae51db3471ce9f689917e37f7d46f270626faaed1b25b818e41a34f57c7f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42ae51db3471ce9f689917e37f7d46f270626faaed1b25b818e41a34f57c7f97", kill_on_drop: false }`
[INFO] [stdout] 42ae51db3471ce9f689917e37f7d46f270626faaed1b25b818e41a34f57c7f97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 030b2e1c061f604093f680db824bee057cadfecf14d90171e2e44672bb85cba9
[INFO] running `Command { std: "docker" "start" "-a" "030b2e1c061f604093f680db824bee057cadfecf14d90171e2e44672bb85cba9", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling cwd-grepper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `read_int` is never used
[INFO] [stdout]   --> src/reader.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn read_int()->i32{
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "030b2e1c061f604093f680db824bee057cadfecf14d90171e2e44672bb85cba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "030b2e1c061f604093f680db824bee057cadfecf14d90171e2e44672bb85cba9", kill_on_drop: false }`
[INFO] [stdout] 030b2e1c061f604093f680db824bee057cadfecf14d90171e2e44672bb85cba9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0128963469a8e1f14729e550dac070ec6f8754d4328790bf0795109089a38f74
[INFO] running `Command { std: "docker" "start" "-a" "0128963469a8e1f14729e550dac070ec6f8754d4328790bf0795109089a38f74", kill_on_drop: false }`
[INFO] [stderr]    Compiling cwd-grepper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `read_int` is never used
[INFO] [stdout]   --> src/reader.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn read_int()->i32{
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "0128963469a8e1f14729e550dac070ec6f8754d4328790bf0795109089a38f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0128963469a8e1f14729e550dac070ec6f8754d4328790bf0795109089a38f74", kill_on_drop: false }`
[INFO] [stdout] 0128963469a8e1f14729e550dac070ec6f8754d4328790bf0795109089a38f74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c780d7bd7abf83c1f848f2f2e3c82794b64ce7337dc31cbfb27e748c425796c3
[INFO] running `Command { std: "docker" "start" "-a" "c780d7bd7abf83c1f848f2f2e3c82794b64ce7337dc31cbfb27e748c425796c3", kill_on_drop: false }`
[INFO] [stderr] warning: function `read_int` is never used
[INFO] [stderr]   --> src/reader.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn read_int()->i32{
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cwd-grepper` (bin "cwd-grepper" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cwd_grepper-6f1ab7991829c29e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c780d7bd7abf83c1f848f2f2e3c82794b64ce7337dc31cbfb27e748c425796c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c780d7bd7abf83c1f848f2f2e3c82794b64ce7337dc31cbfb27e748c425796c3", kill_on_drop: false }`
[INFO] [stdout] c780d7bd7abf83c1f848f2f2e3c82794b64ce7337dc31cbfb27e748c425796c3