[INFO] cloning repository https://github.com/Shiv2576/Ping_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Shiv2576/Ping_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShiv2576%2FPing_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShiv2576%2FPing_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4bd1e7606a4a2353c03e8a7c9238f4ed3c918516
[INFO] checking Shiv2576/Ping_rust against 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6 for pr-160581
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShiv2576%2FPing_rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Shiv2576/Ping_rust
[INFO] finished tweaking git repo https://github.com/Shiv2576/Ping_rust
[INFO] tweaked toml for git repo https://github.com/Shiv2576/Ping_rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Shiv2576/Ping_rust on toolchain 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Shiv2576/Ping_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking Shiv2576/Ping_rust against 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6 for pr-160581
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShiv2576%2FPing_rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Shiv2576/Ping_rust
[INFO] finished tweaking git repo https://github.com/Shiv2576/Ping_rust
[INFO] tweaked toml for git repo https://github.com/Shiv2576/Ping_rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Shiv2576/Ping_rust on toolchain 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Shiv2576/Ping_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded heck v0.3.3
[INFO] [stderr]   Downloaded structopt v0.3.26
[INFO] [stderr]   Downloaded structopt-derive v0.4.18
[INFO] [stderr]   Downloaded unicode-ident v1.0.15
[INFO] [stderr]   Downloaded pnet_transport v0.35.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.93
[INFO] [stderr]   Downloaded rand_chacha v0.2.2
[INFO] [stderr]   Downloaded predicates-core v1.0.9
[INFO] [stderr]   Downloaded escargot v0.3.1
[INFO] [stderr]   Downloaded rand_hc v0.2.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.35.0
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.12
[INFO] [stderr]   Downloaded glob v0.3.2
[INFO] [stderr]   Downloaded humantime v1.3.0
[INFO] [stderr]   Downloaded predicates v1.0.8
[INFO] [stderr]   Downloaded rand_core v0.5.1
[INFO] [stderr]   Downloaded assert_cmd v0.10.2
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded ansi_term v0.12.1
[INFO] [stderr]   Downloaded env_logger v0.7.1
[INFO] [stderr]   Downloaded getrandom v0.1.16
[INFO] [stderr]   Downloaded wasi v0.9.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded pnet_macros v0.35.0
[INFO] [stderr]   Downloaded pnet v0.35.0
[INFO] [stderr]   Downloaded float-cmp v0.8.0
[INFO] [stderr]   Downloaded pnet_packet v0.35.0
[INFO] [stderr]   Downloaded log v0.4.25
[INFO] [stderr]   Downloaded rand v0.7.3
[INFO] [stderr]   Downloaded difference v2.0.0
[INFO] [stderr]   Downloaded serde_json v1.0.137
[INFO] [stderr]   Downloaded clap v2.34.0
[INFO] [stderr]   Downloaded syn v2.0.96
[INFO] [stderr]   Downloaded unicode-width v0.1.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 14390431af63c018d0cb407e760036853f167981839a622622e59542e7147d72
[INFO] running `Command { std: "docker" "start" "14390431af63c018d0cb407e760036853f167981839a622622e59542e7147d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14390431af63c018d0cb407e760036853f167981839a622622e59542e7147d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "14390431af63c018d0cb407e760036853f167981839a622622e59542e7147d72" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14390431af63c018d0cb407e760036853f167981839a622622e59542e7147d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "14390431af63c018d0cb407e760036853f167981839a622622e59542e7147d72" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.15
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde_json v1.0.137
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking pnet_sys v0.35.0
[INFO] [stderr]     Checking pnet_base v0.35.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]     Checking predicates-core v1.0.9
[INFO] [stderr]     Checking pnet_macros_support v0.35.0
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking termtree v0.5.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling pnet v0.35.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking predicates-tree v1.0.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]    Compiling pnet_macros v0.35.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking pnet_packet v0.35.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking pnet_transport v0.35.0
[INFO] [stderr]     Checking ipnetwork v0.20.0
[INFO] [stderr]     Checking pnet_datalink v0.35.0
[INFO] [stderr]     Checking assert_cmd v0.10.2
[INFO] [stderr]     Checking ping_icmp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `csum`
[INFO] [stdout]   --> src/ping.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let csum = icmpv6_checksum(&echo_packet);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_csum`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `csum`
[INFO] [stdout]   --> src/ping.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let csum = icmpv6_checksum(&echo_packet);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_csum`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Pin` and `self`
[INFO] [stdout]  --> src/main.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{net::IpAddr, pin::{self, Pin}};
[INFO] [stdout]   |                              ^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Pin` and `self`
[INFO] [stdout]  --> src/main.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{net::IpAddr, pin::{self, Pin}};
[INFO] [stdout]   |                              ^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.29s
[INFO] running `Command { std: "docker" "inspect" "14390431af63c018d0cb407e760036853f167981839a622622e59542e7147d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14390431af63c018d0cb407e760036853f167981839a622622e59542e7147d72", kill_on_drop: false }`
[INFO] [stdout] 14390431af63c018d0cb407e760036853f167981839a622622e59542e7147d72
