[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#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshirshak55%2Fping" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shirshak55/ping on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7f8cf7f2cb4dd51c89ec3211cddc19ae5a38ec3fef6bf73d9f7ed373ea37063
[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" "b7f8cf7f2cb4dd51c89ec3211cddc19ae5a38ec3fef6bf73d9f7ed373ea37063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7f8cf7f2cb4dd51c89ec3211cddc19ae5a38ec3fef6bf73d9f7ed373ea37063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7f8cf7f2cb4dd51c89ec3211cddc19ae5a38ec3fef6bf73d9f7ed373ea37063", kill_on_drop: false }`
[INFO] [stdout] b7f8cf7f2cb4dd51c89ec3211cddc19ae5a38ec3fef6bf73d9f7ed373ea37063
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 1cd43581b4af93fded9e8a99b132eeedbce90b56d12c4704569802c5fa245b8c
[INFO] running `Command { std: "docker" "start" "-a" "1cd43581b4af93fded9e8a99b132eeedbce90b56d12c4704569802c5fa245b8c", kill_on_drop: false }`
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1cd43581b4af93fded9e8a99b132eeedbce90b56d12c4704569802c5fa245b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cd43581b4af93fded9e8a99b132eeedbce90b56d12c4704569802c5fa245b8c", kill_on_drop: false }`
[INFO] [stdout] 1cd43581b4af93fded9e8a99b132eeedbce90b56d12c4704569802c5fa245b8c