[INFO] cloning repository https://github.com/shirshak55/ping
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shirshak55/ping" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshirshak55%2Fping", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshirshak55%2Fping'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82b88066eecaccb3ed603ffff4f4ddf19aa8e3fc
[INFO] checking shirshak55/ping against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshirshak55%2Fping" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shirshak55/ping on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shirshak55/ping
[INFO] finished tweaking git repo https://github.com/shirshak55/ping
[INFO] tweaked toml for git repo https://github.com/shirshak55/ping written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/shirshak55/ping already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88056eb2662ef2afc85c2530fd424fcfcf7375e54326a1bb0e1520d14f85cb2a
[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" "88056eb2662ef2afc85c2530fd424fcfcf7375e54326a1bb0e1520d14f85cb2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88056eb2662ef2afc85c2530fd424fcfcf7375e54326a1bb0e1520d14f85cb2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88056eb2662ef2afc85c2530fd424fcfcf7375e54326a1bb0e1520d14f85cb2a", kill_on_drop: false }`
[INFO] [stdout] 88056eb2662ef2afc85c2530fd424fcfcf7375e54326a1bb0e1520d14f85cb2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 135fbb4a380cc4857d60c8745c7183025f8a3003d5fbd46281523f6dcb2c009d
[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" "135fbb4a380cc4857d60c8745c7183025f8a3003d5fbd46281523f6dcb2c009d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking pretty-hex v0.1.1
[INFO] [stderr]     Checking ping v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let mut reply_size = mem::size_of::<IcmpEchoReply>();
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `IcmpCreateFile` should have a snake case name
[INFO] [stdout]   --> src/main.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let IcmpCreateFile: IcmpCreateFile = transmute(GetProcAddress(h, b"IcmpCreateFile\0".as_ptr()));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `icmp_create_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `IcmpSendEcho` should have a snake case name
[INFO] [stdout]   --> src/main.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let IcmpSendEcho: IcmpSendEcho = transmute(GetProcAddress(h, b"IcmpSendEcho\0".as_ptr()));
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `icmp_send_echo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let mut reply_size = mem::size_of::<IcmpEchoReply>();
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `IcmpCreateFile` should have a snake case name
[INFO] [stdout]   --> src/main.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let IcmpCreateFile: IcmpCreateFile = transmute(GetProcAddress(h, b"IcmpCreateFile\0".as_ptr()));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `icmp_create_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `IcmpSendEcho` should have a snake case name
[INFO] [stdout]   --> src/main.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let IcmpSendEcho: IcmpSendEcho = transmute(GetProcAddress(h, b"IcmpSendEcho\0".as_ptr()));
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `icmp_send_echo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `Command { std: "docker" "inspect" "135fbb4a380cc4857d60c8745c7183025f8a3003d5fbd46281523f6dcb2c009d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "135fbb4a380cc4857d60c8745c7183025f8a3003d5fbd46281523f6dcb2c009d", kill_on_drop: false }`
[INFO] [stdout] 135fbb4a380cc4857d60c8745c7183025f8a3003d5fbd46281523f6dcb2c009d