[INFO] cloning repository https://github.com/ahenry/udp-replicator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahenry/udp-replicator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahenry%2Fudp-replicator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahenry%2Fudp-replicator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d6935a9c11ca332993a07f9deae54c74dfed0a6
[INFO] checking ahenry/udp-replicator against master#6d05c430d2f0573bf98320bb1d2457a72ea1e67f for pr-116607
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahenry%2Fudp-replicator" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ahenry/udp-replicator on toolchain 6d05c430d2f0573bf98320bb1d2457a72ea1e67f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6d05c430d2f0573bf98320bb1d2457a72ea1e67f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ahenry/udp-replicator
[INFO] finished tweaking git repo https://github.com/ahenry/udp-replicator
[INFO] tweaked toml for git repo https://github.com/ahenry/udp-replicator written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ahenry/udp-replicator 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" "+6d05c430d2f0573bf98320bb1d2457a72ea1e67f" "fetch" "--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 serde_yaml v0.7.4
[INFO] [stderr]   Downloaded yaml-rust v0.4.0
[INFO] [stderr]   Downloaded pnet_macros v0.21.0
[INFO] [stderr]   Downloaded pnet_datalink v0.21.0
[INFO] [stderr]   Downloaded serde v1.0.63
[INFO] [stderr]   Downloaded serde_derive v1.0.63
[INFO] [stderr]   Downloaded pnet v0.21.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+6d05c430d2f0573bf98320bb1d2457a72ea1e67f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1073c0682e3b32503fe7107b0833e9293514b23a3d839dadbaec6409e0ca68d5
[INFO] running `Command { std: "docker" "start" "-a" "1073c0682e3b32503fe7107b0833e9293514b23a3d839dadbaec6409e0ca68d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1073c0682e3b32503fe7107b0833e9293514b23a3d839dadbaec6409e0ca68d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1073c0682e3b32503fe7107b0833e9293514b23a3d839dadbaec6409e0ca68d5", kill_on_drop: false }`
[INFO] [stdout] 1073c0682e3b32503fe7107b0833e9293514b23a3d839dadbaec6409e0ca68d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+6d05c430d2f0573bf98320bb1d2457a72ea1e67f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3094c6315204edf089bd8f039f42413867fd021780b7a13c1c1b7072aaf19efd
[INFO] running `Command { std: "docker" "start" "-a" "3094c6315204edf089bd8f039f42413867fd021780b7a13c1c1b7072aaf19efd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.41
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]     Checking pnet_base v0.21.0
[INFO] [stderr]    Compiling serde v1.0.63
[INFO] [stderr]    Compiling proc-macro2 v0.4.4
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling pnet v0.21.0
[INFO] [stderr]     Checking ipnetwork v0.12.8
[INFO] [stderr]     Checking pnet_macros_support v0.21.0
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling syn v0.14.1
[INFO] [stderr]     Checking pnet_sys v0.21.0
[INFO] [stderr]     Checking pnet_datalink v0.21.0
[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 serde_derive v1.0.63
[INFO] [stderr]     Checking serde_yaml v0.7.4
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.21.0
[INFO] [stderr]    Compiling pnet_packet v0.21.0
[INFO] [stderr]     Checking pnet_transport v0.21.0
[INFO] [stderr]     Checking udp-proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `V6` is never constructed
[INFO] [stdout]    --> src/main.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 151 | enum IpPacket<'p> {
[INFO] [stdout]     |      -------- variant in this enum
[INFO] [stdout] 152 |     V4(&'p Ipv4Packet<'p>),
[INFO] [stdout] 153 |     V6(&'p Ipv6Packet<'p>),
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `V6` is never constructed
[INFO] [stdout]    --> src/main.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 151 | enum IpPacket<'p> {
[INFO] [stdout]     |      -------- variant in this enum
[INFO] [stdout] 152 |     V4(&'p Ipv4Packet<'p>),
[INFO] [stdout] 153 |     V6(&'p Ipv6Packet<'p>),
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24, syn v0.14.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "3094c6315204edf089bd8f039f42413867fd021780b7a13c1c1b7072aaf19efd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3094c6315204edf089bd8f039f42413867fd021780b7a13c1c1b7072aaf19efd", kill_on_drop: false }`
[INFO] [stdout] 3094c6315204edf089bd8f039f42413867fd021780b7a13c1c1b7072aaf19efd