[INFO] fetching crate zenscan 0.1.3...
[INFO] testing zenscan-0.1.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate zenscan 0.1.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate zenscan 0.1.3 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zenscan 0.1.3
[INFO] finished tweaking crates.io crate zenscan 0.1.3
[INFO] tweaked toml for crates.io crate zenscan 0.1.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate zenscan 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pnet_datalink v0.26.0
[INFO] [stderr]   Downloaded pnet_base v0.26.0
[INFO] [stderr]   Downloaded dns-lookup v1.0.3
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.2
[INFO] [stderr]   Downloaded pnet_packet v0.26.0
[INFO] [stderr]   Downloaded pnet_macros v0.26.0
[INFO] [stderr]   Downloaded pnet_sys v0.26.0
[INFO] [stderr]   Downloaded pnet v0.26.0
[INFO] [stderr]   Downloaded ipnetwork v0.16.0
[INFO] [stderr]   Downloaded pnet_transport v0.26.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.26.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2958fc52dda9e33f75387ee62a7615ad2809bfb53c6882991bef8cc73b97ae02
[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" "2958fc52dda9e33f75387ee62a7615ad2809bfb53c6882991bef8cc73b97ae02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2958fc52dda9e33f75387ee62a7615ad2809bfb53c6882991bef8cc73b97ae02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2958fc52dda9e33f75387ee62a7615ad2809bfb53c6882991bef8cc73b97ae02", kill_on_drop: false }`
[INFO] [stdout] 2958fc52dda9e33f75387ee62a7615ad2809bfb53c6882991bef8cc73b97ae02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 138ba58ac6e5f3fdc32eeeac8fee22c2d2208682ec57e1165f06dbc3657ad0df
[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" "138ba58ac6e5f3fdc32eeeac8fee22c2d2208682ec57e1165f06dbc3657ad0df", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling pnet_base v0.26.0
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]    Compiling pnet v0.26.0
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling pnet_sys v0.26.0
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling termios v0.3.2
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling ipnetwork v0.16.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.2
[INFO] [stderr]    Compiling pnet_macros_support v0.26.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling console v0.9.2
[INFO] [stderr]    Compiling dns-lookup v1.0.3
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling pnet_datalink v0.26.0
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling addr2line v0.12.1
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling better-panic v0.2.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.26.0
[INFO] [stderr]    Compiling pnet_packet v0.26.0
[INFO] [stderr]    Compiling pnet_transport v0.26.0
[INFO] [stderr]    Compiling zenscan v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `host` is never read
[INFO] [stdout]   --> src/main.rs:63:30
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let mut ip = ""; let mut host = ""; 
[INFO] [stdout]    |                              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.48s
[INFO] running `Command { std: "docker" "inspect" "138ba58ac6e5f3fdc32eeeac8fee22c2d2208682ec57e1165f06dbc3657ad0df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "138ba58ac6e5f3fdc32eeeac8fee22c2d2208682ec57e1165f06dbc3657ad0df", kill_on_drop: false }`
[INFO] [stdout] 138ba58ac6e5f3fdc32eeeac8fee22c2d2208682ec57e1165f06dbc3657ad0df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac5d1eb21b66b0ed71478917aaeaa4b25fea6e4b9e47aab7a9886b8f6b3b5cd9
[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" "ac5d1eb21b66b0ed71478917aaeaa4b25fea6e4b9e47aab7a9886b8f6b3b5cd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling zenscan v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `host` is never read
[INFO] [stdout]   --> src/main.rs:63:30
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let mut ip = ""; let mut host = ""; 
[INFO] [stdout]    |                              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "ac5d1eb21b66b0ed71478917aaeaa4b25fea6e4b9e47aab7a9886b8f6b3b5cd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac5d1eb21b66b0ed71478917aaeaa4b25fea6e4b9e47aab7a9886b8f6b3b5cd9", kill_on_drop: false }`
[INFO] [stdout] ac5d1eb21b66b0ed71478917aaeaa4b25fea6e4b9e47aab7a9886b8f6b3b5cd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c1a3c9b3e294bfbe6b9d7064d612bcfb6148b8be0a533aa15515e64a1f72155
[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" "9c1a3c9b3e294bfbe6b9d7064d612bcfb6148b8be0a533aa15515e64a1f72155", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `host` is never read
[INFO] [stderr]   --> src/main.rs:63:30
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let mut ip = ""; let mut host = ""; 
[INFO] [stderr]    |                              ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `zenscan` (bin "zenscan" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/zenscan-844c19f78f7addff)
[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" "9c1a3c9b3e294bfbe6b9d7064d612bcfb6148b8be0a533aa15515e64a1f72155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c1a3c9b3e294bfbe6b9d7064d612bcfb6148b8be0a533aa15515e64a1f72155", kill_on_drop: false }`
[INFO] [stdout] 9c1a3c9b3e294bfbe6b9d7064d612bcfb6148b8be0a533aa15515e64a1f72155