[INFO] cloning repository https://github.com/ACRONYM-Group/TraceR
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ACRONYM-Group/TraceR" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FACRONYM-Group%2FTraceR", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FACRONYM-Group%2FTraceR'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b73f7e7d3b1b8526c01873caf97833f9f7b96e4
[INFO] checking ACRONYM-Group/TraceR against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FACRONYM-Group%2FTraceR" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ACRONYM-Group/TraceR on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ACRONYM-Group/TraceR
[INFO] finished tweaking git repo https://github.com/ACRONYM-Group/TraceR
[INFO] tweaked toml for git repo https://github.com/ACRONYM-Group/TraceR written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/ACRONYM-Group/TraceR already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pnet_sys v0.23.1
[INFO] [stderr]   Downloaded pnet_transport v0.23.1
[INFO] [stderr]   Downloaded pnet v0.23.1
[INFO] [stderr]   Downloaded pnet_macros_support v0.23.1
[INFO] [stderr]   Downloaded pnet_packet v0.23.1
[INFO] [stderr]   Downloaded pnet_datalink v0.23.1
[INFO] [stderr]   Downloaded fastping-rs v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 9c720ed32abb528007c179fe19152022f72a443dced69cebe769633e9f562e9c
[INFO] running `Command { std: "docker" "start" "-a" "9c720ed32abb528007c179fe19152022f72a443dced69cebe769633e9f562e9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c720ed32abb528007c179fe19152022f72a443dced69cebe769633e9f562e9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c720ed32abb528007c179fe19152022f72a443dced69cebe769633e9f562e9c", kill_on_drop: false }`
[INFO] [stdout] 9c720ed32abb528007c179fe19152022f72a443dced69cebe769633e9f562e9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d114f15f697affe676380ae058f924e3e72215d5b4561244ab81c2f13f638ec
[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" "4d114f15f697affe676380ae058f924e3e72215d5b4561244ab81c2f13f638ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]     Checking pnet_base v0.22.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling pnet v0.23.1
[INFO] [stderr]     Checking cli v0.1.2 (https://github.com/ACRONYM-Group/clilib#bc280af1)
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking pnet_sys v0.23.1
[INFO] [stderr]     Checking pnet_sys v0.25.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking pnet_macros_support v0.23.1
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[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]     Checking ipnetwork v0.15.1
[INFO] [stderr]     Checking pnet_datalink v0.23.1
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.25.0
[INFO] [stderr]    Compiling pnet_packet v0.23.1
[INFO] [stderr]     Checking pnet_transport v0.23.1
[INFO] [stderr]     Checking fastping-rs v0.1.5
[INFO] [stderr]     Checking tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/traceroute/ping.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn ping_tcp(addr: String, port: usize, count: usize) -> Result<node::TraceNode, CliError>
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `port`
[INFO] [stdout]   --> src/traceroute/ping.rs:48:31
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn ping_tcp(addr: String, port: usize, count: usize) -> Result<node::TraceNode, CliError>
[INFO] [stdout]    |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> src/traceroute/ping.rs:48:44
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn ping_tcp(addr: String, port: usize, count: usize) -> Result<node::TraceNode, CliError>
[INFO] [stdout]    |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/traceroute/ping.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn ping_tcp(addr: String, port: usize, count: usize) -> Result<node::TraceNode, CliError>
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `port`
[INFO] [stdout]   --> src/traceroute/ping.rs:48:31
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn ping_tcp(addr: String, port: usize, count: usize) -> Result<node::TraceNode, CliError>
[INFO] [stdout]    |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> src/traceroute/ping.rs:48:44
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn ping_tcp(addr: String, port: usize, count: usize) -> Result<node::TraceNode, CliError>
[INFO] [stdout]    |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "4d114f15f697affe676380ae058f924e3e72215d5b4561244ab81c2f13f638ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d114f15f697affe676380ae058f924e3e72215d5b4561244ab81c2f13f638ec", kill_on_drop: false }`
[INFO] [stdout] 4d114f15f697affe676380ae058f924e3e72215d5b4561244ab81c2f13f638ec