[INFO] cloning repository https://github.com/iveltondequeiroz/port-sniffer-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iveltondequeiroz/port-sniffer-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiveltondequeiroz%2Fport-sniffer-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiveltondequeiroz%2Fport-sniffer-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb8c0ebbd04512774660291694cf19e54d01ad5f
[INFO] testing iveltondequeiroz/port-sniffer-rust against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiveltondequeiroz%2Fport-sniffer-rust" "/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/iveltondequeiroz/port-sniffer-rust on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iveltondequeiroz/port-sniffer-rust
[INFO] finished tweaking git repo https://github.com/iveltondequeiroz/port-sniffer-rust
[INFO] tweaked toml for git repo https://github.com/iveltondequeiroz/port-sniffer-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/iveltondequeiroz/port-sniffer-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 857c3961f188c7de71c5ef2cd5fc37f4ec12c4d3ab2f6c653e409f8e3a702378
[INFO] running `Command { std: "docker" "start" "-a" "857c3961f188c7de71c5ef2cd5fc37f4ec12c4d3ab2f6c653e409f8e3a702378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "857c3961f188c7de71c5ef2cd5fc37f4ec12c4d3ab2f6c653e409f8e3a702378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "857c3961f188c7de71c5ef2cd5fc37f4ec12c4d3ab2f6c653e409f8e3a702378", kill_on_drop: false }`
[INFO] [stdout] 857c3961f188c7de71c5ef2cd5fc37f4ec12c4d3ab2f6c653e409f8e3a702378
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf5f105e33918a8e2c66e5f76a58e25a4fa614a2d7d6a42f6afb9f8c7b6670b6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bf5f105e33918a8e2c66e5f76a58e25a4fa614a2d7d6a42f6afb9f8c7b6670b6", 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:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     flag: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bf5f105e33918a8e2c66e5f76a58e25a4fa614a2d7d6a42f6afb9f8c7b6670b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf5f105e33918a8e2c66e5f76a58e25a4fa614a2d7d6a42f6afb9f8c7b6670b6", kill_on_drop: false }`
[INFO] [stdout] bf5f105e33918a8e2c66e5f76a58e25a4fa614a2d7d6a42f6afb9f8c7b6670b6
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 862b2a811c1ebe8b09d1c4eeb1f7922767d7b3d803fac2c63bc1ba9c1dd8ca19
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "862b2a811c1ebe8b09d1c4eeb1f7922767d7b3d803fac2c63bc1ba9c1dd8ca19", 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:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     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 0.80s
[INFO] running `Command { std: "docker" "inspect" "862b2a811c1ebe8b09d1c4eeb1f7922767d7b3d803fac2c63bc1ba9c1dd8ca19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "862b2a811c1ebe8b09d1c4eeb1f7922767d7b3d803fac2c63bc1ba9c1dd8ca19", kill_on_drop: false }`
[INFO] [stdout] 862b2a811c1ebe8b09d1c4eeb1f7922767d7b3d803fac2c63bc1ba9c1dd8ca19
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e10c12e2ac7732d5a963e44b175b9e1248f5e7ad202e49a0ad8cd1dba8bad96f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e10c12e2ac7732d5a963e44b175b9e1248f5e7ad202e49a0ad8cd1dba8bad96f", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `flag`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     flag: String,
[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 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ip_sniffer-dd6f5bb408dfbdbe
[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" "e10c12e2ac7732d5a963e44b175b9e1248f5e7ad202e49a0ad8cd1dba8bad96f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e10c12e2ac7732d5a963e44b175b9e1248f5e7ad202e49a0ad8cd1dba8bad96f", kill_on_drop: false }`
[INFO] [stdout] e10c12e2ac7732d5a963e44b175b9e1248f5e7ad202e49a0ad8cd1dba8bad96f