[INFO] cloning repository https://github.com/jstiff/ip_sniff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jstiff/ip_sniff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjstiff%2Fip_sniff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjstiff%2Fip_sniff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44a0ed368f0c033f636f616a03a8b071f29b7677
[INFO] testing jstiff/ip_sniff/44a0ed368f0c033f636f616a03a8b071f29b7677 against master#552a959051cebf8f88a8f558399baf733bec9ce0 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjstiff%2Fip_sniff" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jstiff/ip_sniff on toolchain 552a959051cebf8f88a8f558399baf733bec9ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jstiff/ip_sniff
[INFO] finished tweaking git repo https://github.com/jstiff/ip_sniff
[INFO] tweaked toml for git repo https://github.com/jstiff/ip_sniff written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jstiff/ip_sniff 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" "+552a959051cebf8f88a8f558399baf733bec9ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2032d8125c4a26b77d395ae299d22f9e5814086930bbea655ff7dd7b8a23b016
[INFO] running `Command { std: "docker" "start" "-a" "2032d8125c4a26b77d395ae299d22f9e5814086930bbea655ff7dd7b8a23b016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2032d8125c4a26b77d395ae299d22f9e5814086930bbea655ff7dd7b8a23b016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2032d8125c4a26b77d395ae299d22f9e5814086930bbea655ff7dd7b8a23b016", kill_on_drop: false }`
[INFO] [stdout] 2032d8125c4a26b77d395ae299d22f9e5814086930bbea655ff7dd7b8a23b016
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6704b7c09f47bf751cd98e43639fdc012883a3f0c0367259dc0fdecfbf535606
[INFO] running `Command { std: "docker" "start" "-a" "6704b7c09f47bf751cd98e43639fdc012883a3f0c0367259dc0fdecfbf535606", kill_on_drop: false }`
[INFO] [stderr]    Compiling ip_sniff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `flag` is never read
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Arguments {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 23 |     flag: String, 
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "6704b7c09f47bf751cd98e43639fdc012883a3f0c0367259dc0fdecfbf535606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6704b7c09f47bf751cd98e43639fdc012883a3f0c0367259dc0fdecfbf535606", kill_on_drop: false }`
[INFO] [stdout] 6704b7c09f47bf751cd98e43639fdc012883a3f0c0367259dc0fdecfbf535606
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 222d417a5cc4250cb5a1db7918d65b104a5b453601a8c76c230fd2866da8cd0a
[INFO] running `Command { std: "docker" "start" "-a" "222d417a5cc4250cb5a1db7918d65b104a5b453601a8c76c230fd2866da8cd0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ip_sniff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `flag` is never read
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Arguments {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 23 |     flag: String, 
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "222d417a5cc4250cb5a1db7918d65b104a5b453601a8c76c230fd2866da8cd0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "222d417a5cc4250cb5a1db7918d65b104a5b453601a8c76c230fd2866da8cd0a", kill_on_drop: false }`
[INFO] [stdout] 222d417a5cc4250cb5a1db7918d65b104a5b453601a8c76c230fd2866da8cd0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4557cbfde791d332a568566399e65037f23f4d01fd4886360ed2ca30d8c98e81
[INFO] running `Command { std: "docker" "start" "-a" "4557cbfde791d332a568566399e65037f23f4d01fd4886360ed2ca30d8c98e81", kill_on_drop: false }`
[INFO] [stderr] warning: field `flag` is never read
[INFO] [stderr]   --> src/main.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | struct Arguments {
[INFO] [stderr]    |        --------- field in this struct
[INFO] [stderr] 23 |     flag: String, 
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ip_sniff` (bin "ip_sniff" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ip_sniff-31f5e10937137490)
[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" "4557cbfde791d332a568566399e65037f23f4d01fd4886360ed2ca30d8c98e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4557cbfde791d332a568566399e65037f23f4d01fd4886360ed2ca30d8c98e81", kill_on_drop: false }`
[INFO] [stdout] 4557cbfde791d332a568566399e65037f23f4d01fd4886360ed2ca30d8c98e81