[INFO] cloning repository https://github.com/BlackYoup/poc-tcp-hole-punching
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BlackYoup/poc-tcp-hole-punching" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlackYoup%2Fpoc-tcp-hole-punching", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlackYoup%2Fpoc-tcp-hole-punching'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 171801d4005dae5f1366bf5089fad8226a100e57
[INFO] checking BlackYoup/poc-tcp-hole-punching against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlackYoup%2Fpoc-tcp-hole-punching" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BlackYoup/poc-tcp-hole-punching on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BlackYoup/poc-tcp-hole-punching
[INFO] finished tweaking git repo https://github.com/BlackYoup/poc-tcp-hole-punching
[INFO] tweaked toml for git repo https://github.com/BlackYoup/poc-tcp-hole-punching written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/BlackYoup/poc-tcp-hole-punching already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12c843616d89a6c9059c97559628aad1b007c7b11c323397f5da58b6f083e244
[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" "12c843616d89a6c9059c97559628aad1b007c7b11c323397f5da58b6f083e244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12c843616d89a6c9059c97559628aad1b007c7b11c323397f5da58b6f083e244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12c843616d89a6c9059c97559628aad1b007c7b11c323397f5da58b6f083e244", kill_on_drop: false }`
[INFO] [stdout] 12c843616d89a6c9059c97559628aad1b007c7b11c323397f5da58b6f083e244
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b72c4b69f8c5326a71904fb0d0a9f91933a0b1a1e4c493dbe8766530f30f81fe
[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" "b72c4b69f8c5326a71904fb0d0a9f91933a0b1a1e4c493dbe8766530f30f81fe", 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]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking yamux v0.4.7
[INFO] [stderr]     Checking reuse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use] extern crate log;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/raw_tcp.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::io::AsRawFd`
[INFO] [stdout]  --> src/raw_tcp.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::os::unix::io::AsRawFd;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SEND_PUBLIC` should have an upper camel case name
[INFO] [stdout]   --> src/raw_tcp.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   SEND_PUBLIC,
[INFO] [stdout]    |   ^^^^^^^^^^^ help: convert the identifier to upper camel case: `SendPublic`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `WAITING_PUNCH` should have an upper camel case name
[INFO] [stdout]   --> src/raw_tcp.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 13 |   WAITING_PUNCH,
[INFO] [stdout]    |   ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `WaitingPunch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `channel::mpsc`
[INFO] [stdout]  --> src/raw_yamux.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::{channel::mpsc, prelude::*};
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync::Arc`
[INFO] [stdout]  --> src/raw_yamux.rs:2:54
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{net::{Ipv4Addr, SocketAddr, SocketAddrV4}, sync::Arc};
[INFO] [stdout]   |                                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use] extern crate log;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/raw_tcp.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::io::AsRawFd`
[INFO] [stdout]  --> src/raw_tcp.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::os::unix::io::AsRawFd;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SEND_PUBLIC` should have an upper camel case name
[INFO] [stdout]   --> src/raw_tcp.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   SEND_PUBLIC,
[INFO] [stdout]    |   ^^^^^^^^^^^ help: convert the identifier to upper camel case: `SendPublic`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `WAITING_PUNCH` should have an upper camel case name
[INFO] [stdout]   --> src/raw_tcp.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 13 |   WAITING_PUNCH,
[INFO] [stdout]    |   ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `WaitingPunch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `channel::mpsc`
[INFO] [stdout]  --> src/raw_yamux.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::{channel::mpsc, prelude::*};
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync::Arc`
[INFO] [stdout]  --> src/raw_yamux.rs:2:54
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{net::{Ipv4Addr, SocketAddr, SocketAddrV4}, sync::Arc};
[INFO] [stdout]   |                                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/raw_yamux.rs:146:15
[INFO] [stdout]     |
[INFO] [stdout] 146 |           Err(e) => continue
[INFO] [stdout]     |               ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/raw_yamux.rs:146:15
[INFO] [stdout]     |
[INFO] [stdout] 146 |           Err(e) => continue
[INFO] [stdout]     |               ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.33s
[INFO] running `Command { std: "docker" "inspect" "b72c4b69f8c5326a71904fb0d0a9f91933a0b1a1e4c493dbe8766530f30f81fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b72c4b69f8c5326a71904fb0d0a9f91933a0b1a1e4c493dbe8766530f30f81fe", kill_on_drop: false }`
[INFO] [stdout] b72c4b69f8c5326a71904fb0d0a9f91933a0b1a1e4c493dbe8766530f30f81fe
