[INFO] cloning repository https://github.com/MaxF12/AnyEyeballs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MaxF12/AnyEyeballs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaxF12%2FAnyEyeballs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaxF12%2FAnyEyeballs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3049b1c6ab01d1b34880bab81cf07d2e9b7bb9e3
[INFO] checking MaxF12/AnyEyeballs against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaxF12%2FAnyEyeballs" "/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/MaxF12/AnyEyeballs on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MaxF12/AnyEyeballs
[INFO] finished tweaking git repo https://github.com/MaxF12/AnyEyeballs
[INFO] tweaked toml for git repo https://github.com/MaxF12/AnyEyeballs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/MaxF12/AnyEyeballs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87109f4fa91134915edd7b340c5cb32b4abb4bb0ac55e90cde2cf6b81cfeb969
[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" "87109f4fa91134915edd7b340c5cb32b4abb4bb0ac55e90cde2cf6b81cfeb969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87109f4fa91134915edd7b340c5cb32b4abb4bb0ac55e90cde2cf6b81cfeb969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87109f4fa91134915edd7b340c5cb32b4abb4bb0ac55e90cde2cf6b81cfeb969", kill_on_drop: false }`
[INFO] [stdout] 87109f4fa91134915edd7b340c5cb32b4abb4bb0ac55e90cde2cf6b81cfeb969
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--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] 6848ec8cef7515afe64443e1b34611d046f5f655a2a598838aad047f988c323b
[INFO] running `Command { std: "docker" "start" "-a" "6848ec8cef7515afe64443e1b34611d046f5f655a2a598838aad047f988c323b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling syn v1.0.62
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling pnet v0.27.2
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking pnet_macros_support v0.27.2
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking pnet_sys v0.27.2
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking ipnetwork v0.17.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking pnet_datalink v0.27.2
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]     Checking tokio v1.2.0
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking tokio-util v0.6.3
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]     Checking h2 v0.3.1
[INFO] [stderr]    Compiling pnet_macros v0.27.2
[INFO] [stderr]     Checking hyper v0.14.4
[INFO] [stderr]    Compiling pnet_packet v0.27.2
[INFO] [stderr]     Checking pnet_transport v0.27.2
[INFO] [stderr]     Checking anyeyeballs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `packets` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut packets = 0;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_packets` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `packets` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut packets = 0;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_packets` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/main.rs:25:57
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Ok(_) => panic!("libpnet: unknown channel type: {}"),
[INFO] [stdout]    |                                                         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` 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] 25 |         Ok(_) => panic!("libpnet: unknown channel type: {}", ...),
[INFO] [stdout]    |                                                            ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Ok(_) => panic!("{}", "libpnet: unknown channel type: {}"),
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/main.rs:25:57
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Ok(_) => panic!("libpnet: unknown channel type: {}"),
[INFO] [stdout]    |                                                         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` 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] 25 |         Ok(_) => panic!("libpnet: unknown channel type: {}", ...),
[INFO] [stdout]    |                                                            ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Ok(_) => panic!("{}", "libpnet: unknown channel type: {}"),
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.05s
[INFO] running `Command { std: "docker" "inspect" "6848ec8cef7515afe64443e1b34611d046f5f655a2a598838aad047f988c323b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6848ec8cef7515afe64443e1b34611d046f5f655a2a598838aad047f988c323b", kill_on_drop: false }`
[INFO] [stdout] 6848ec8cef7515afe64443e1b34611d046f5f655a2a598838aad047f988c323b