[INFO] cloning repository https://github.com/Pranav2612000/ip_sniffer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Pranav2612000/ip_sniffer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPranav2612000%2Fip_sniffer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPranav2612000%2Fip_sniffer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b74bd132d84b8dd62125ea00f5f17cbe2541f90
[INFO] testing Pranav2612000/ip_sniffer against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPranav2612000%2Fip_sniffer" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pranav2612000/ip_sniffer on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Pranav2612000/ip_sniffer
[INFO] finished tweaking git repo https://github.com/Pranav2612000/ip_sniffer
[INFO] tweaked toml for git repo https://github.com/Pranav2612000/ip_sniffer written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Pranav2612000/ip_sniffer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50667cc38098837ae5c53f62f8e6b0919d14a2976cf5f7ad8c2cc932902f009b
[INFO] running `Command { std: "docker" "start" "-a" "50667cc38098837ae5c53f62f8e6b0919d14a2976cf5f7ad8c2cc932902f009b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50667cc38098837ae5c53f62f8e6b0919d14a2976cf5f7ad8c2cc932902f009b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50667cc38098837ae5c53f62f8e6b0919d14a2976cf5f7ad8c2cc932902f009b", kill_on_drop: false }`
[INFO] [stdout] 50667cc38098837ae5c53f62f8e6b0919d14a2976cf5f7ad8c2cc932902f009b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 888dffb32cefe543ce23defaba6fccb108c691067d77a3f2df75a2610f603cb8
[INFO] running `Command { std: "docker" "start" "-a" "888dffb32cefe543ce23defaba6fccb108c691067d77a3f2df75a2610f603cb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling ip_sniffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `flag`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     flag: String,
[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 0.87s
[INFO] running `Command { std: "docker" "inspect" "888dffb32cefe543ce23defaba6fccb108c691067d77a3f2df75a2610f603cb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "888dffb32cefe543ce23defaba6fccb108c691067d77a3f2df75a2610f603cb8", kill_on_drop: false }`
[INFO] [stdout] 888dffb32cefe543ce23defaba6fccb108c691067d77a3f2df75a2610f603cb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5ae051e566867c5f0f8bf509a3c3e9893f9add0528bf0d3c127cb0c14285aab
[INFO] running `Command { std: "docker" "start" "-a" "a5ae051e566867c5f0f8bf509a3c3e9893f9add0528bf0d3c127cb0c14285aab", kill_on_drop: false }`
[INFO] [stderr]    Compiling ip_sniffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `flag`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     flag: String,
[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 0.50s
[INFO] running `Command { std: "docker" "inspect" "a5ae051e566867c5f0f8bf509a3c3e9893f9add0528bf0d3c127cb0c14285aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5ae051e566867c5f0f8bf509a3c3e9893f9add0528bf0d3c127cb0c14285aab", kill_on_drop: false }`
[INFO] [stdout] a5ae051e566867c5f0f8bf509a3c3e9893f9add0528bf0d3c127cb0c14285aab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f9ef5b82dfafdab59472fe38e0a9a20afc38f970fa43094ca944d3d360042cb6
[INFO] running `Command { std: "docker" "start" "-a" "f9ef5b82dfafdab59472fe38e0a9a20afc38f970fa43094ca944d3d360042cb6", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `flag`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 15 |     flag: String,
[INFO] [stdout] 
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ip_sniffer-54b15f08a913bb9b)
[INFO] running `Command { std: "docker" "inspect" "f9ef5b82dfafdab59472fe38e0a9a20afc38f970fa43094ca944d3d360042cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9ef5b82dfafdab59472fe38e0a9a20afc38f970fa43094ca944d3d360042cb6", kill_on_drop: false }`
[INFO] [stdout] f9ef5b82dfafdab59472fe38e0a9a20afc38f970fa43094ca944d3d360042cb6