[INFO] cloning repository https://github.com/nikita-skobov/libpnet-poc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikita-skobov/libpnet-poc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikita-skobov%2Flibpnet-poc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikita-skobov%2Flibpnet-poc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d79a960d3ba6cb4d86bdfa78fc83cf275142f06
[INFO] testing nikita-skobov/libpnet-poc against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikita-skobov%2Flibpnet-poc" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nikita-skobov/libpnet-poc on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nikita-skobov/libpnet-poc
[INFO] finished tweaking git repo https://github.com/nikita-skobov/libpnet-poc
[INFO] tweaked toml for git repo https://github.com/nikita-skobov/libpnet-poc written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/nikita-skobov/libpnet-poc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "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] 6a13bc656c54f93b9796ecf392b236d072c56616efedb0e51168a56282683b72
[INFO] running `Command { std: "docker" "start" "-a" "6a13bc656c54f93b9796ecf392b236d072c56616efedb0e51168a56282683b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a13bc656c54f93b9796ecf392b236d072c56616efedb0e51168a56282683b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a13bc656c54f93b9796ecf392b236d072c56616efedb0e51168a56282683b72", kill_on_drop: false }`
[INFO] [stdout] 6a13bc656c54f93b9796ecf392b236d072c56616efedb0e51168a56282683b72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73665977808daaac13039b482351e86978b3cd380e01b423d3f77213aad4d08a
[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" "73665977808daaac13039b482351e86978b3cd380e01b423d3f77213aad4d08a", kill_on_drop: false }`
[INFO] [stderr]    Compiling pnet_base v0.22.0
[INFO] [stderr]    Compiling serde v1.0.93
[INFO] [stderr]    Compiling pnet v0.22.0
[INFO] [stderr]    Compiling libpnet-poc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling pnet_sys v0.22.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling pnet_macros_support v0.22.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling ipnetwork v0.14.0
[INFO] [stderr]    Compiling pnet_datalink v0.22.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.22.0
[INFO] [stderr]    Compiling pnet_packet v0.22.0
[INFO] [stderr]    Compiling pnet_transport v0.22.0
[INFO] [stdout] warning: unused imports: `ChannelType`, `Config`
[INFO] [stdout]  --> src/main.rs:1:46
[INFO] [stdout]   |
[INFO] [stdout] 1 | use pnet::datalink::{self, NetworkInterface, Config, ChannelType};
[INFO] [stdout]   |                                              ^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/main.rs:46:62
[INFO] [stdout]    |
[INFO] [stdout] 46 |         Ok(_) => panic!("packetdump: unhandled channel type: {}"),
[INFO] [stdout]    |                                                              ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 46 |         Ok(_) => panic!("packetdump: unhandled channel type: {}", ...),
[INFO] [stdout]    |                                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 46 |         Ok(_) => panic!("{}", "packetdump: unhandled channel type: {}"),
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "73665977808daaac13039b482351e86978b3cd380e01b423d3f77213aad4d08a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73665977808daaac13039b482351e86978b3cd380e01b423d3f77213aad4d08a", kill_on_drop: false }`
[INFO] [stdout] 73665977808daaac13039b482351e86978b3cd380e01b423d3f77213aad4d08a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", 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] 7453268a59e3c0ee4fabfc080a03f22742d2a2b79e25117662ea61b7d7b2bc2f
[INFO] running `Command { std: "docker" "start" "-a" "7453268a59e3c0ee4fabfc080a03f22742d2a2b79e25117662ea61b7d7b2bc2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libpnet-poc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ChannelType`, `Config`
[INFO] [stdout]  --> src/main.rs:1:46
[INFO] [stdout]   |
[INFO] [stdout] 1 | use pnet::datalink::{self, NetworkInterface, Config, ChannelType};
[INFO] [stdout]   |                                              ^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/main.rs:46:62
[INFO] [stdout]    |
[INFO] [stdout] 46 |         Ok(_) => panic!("packetdump: unhandled channel type: {}"),
[INFO] [stdout]    |                                                              ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 46 |         Ok(_) => panic!("packetdump: unhandled channel type: {}", ...),
[INFO] [stdout]    |                                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 46 |         Ok(_) => panic!("{}", "packetdump: unhandled channel type: {}"),
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "7453268a59e3c0ee4fabfc080a03f22742d2a2b79e25117662ea61b7d7b2bc2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7453268a59e3c0ee4fabfc080a03f22742d2a2b79e25117662ea61b7d7b2bc2f", kill_on_drop: false }`
[INFO] [stdout] 7453268a59e3c0ee4fabfc080a03f22742d2a2b79e25117662ea61b7d7b2bc2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a7c13bd3d4139195b7f7ad46602a503038a1ce1424eff4e85bb0cb81bf582f8
[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" "4a7c13bd3d4139195b7f7ad46602a503038a1ce1424eff4e85bb0cb81bf582f8", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `ChannelType`, `Config`
[INFO] [stderr]  --> src/main.rs:1:46
[INFO] [stderr]   |
[INFO] [stderr] 1 | use pnet::datalink::{self, NetworkInterface, Config, ChannelType};
[INFO] [stderr]   |                                              ^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]   --> src/main.rs:46:62
[INFO] [stderr]    |
[INFO] [stderr] 46 |         Ok(_) => panic!("packetdump: unhandled channel type: {}"),
[INFO] [stderr]    |                                                              ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]    |
[INFO] [stderr] 46 |         Ok(_) => panic!("packetdump: unhandled channel type: {}", ...),
[INFO] [stderr]    |                                                                 ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]    |
[INFO] [stderr] 46 |         Ok(_) => panic!("{}", "packetdump: unhandled channel type: {}"),
[INFO] [stderr]    |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `libpnet-poc` (bin "libpnet-poc" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libpnet_poc-bf8bfa69884bcfe1)
[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" "4a7c13bd3d4139195b7f7ad46602a503038a1ce1424eff4e85bb0cb81bf582f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a7c13bd3d4139195b7f7ad46602a503038a1ce1424eff4e85bb0cb81bf582f8", kill_on_drop: false }`
[INFO] [stdout] 4a7c13bd3d4139195b7f7ad46602a503038a1ce1424eff4e85bb0cb81bf582f8