[INFO] cloning repository https://github.com/pfreixes/tcp-connect
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pfreixes/tcp-connect" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpfreixes%2Ftcp-connect", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpfreixes%2Ftcp-connect'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpfreixes%2Ftcp-connect: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/pfreixes/tcp-connect
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pfreixes/tcp-connect" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpfreixes%2Ftcp-connect", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpfreixes%2Ftcp-connect'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e696606e741fe6c2c757fc5a3cf7559bb934ac79
[INFO] checking pfreixes/tcp-connect against master#092a284ba0421695f2032c947765429fd7095796 for pr-139763
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpfreixes%2Ftcp-connect" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pfreixes/tcp-connect on toolchain 092a284ba0421695f2032c947765429fd7095796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pfreixes/tcp-connect
[INFO] finished tweaking git repo https://github.com/pfreixes/tcp-connect
[INFO] tweaked toml for git repo https://github.com/pfreixes/tcp-connect written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pfreixes/tcp-connect 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" "+092a284ba0421695f2032c947765429fd7095796" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5906b416c0652d9ccebcacbb57a4e302298c699f141494be1af4eeb856f4cf0
[INFO] running `Command { std: "docker" "start" "-a" "e5906b416c0652d9ccebcacbb57a4e302298c699f141494be1af4eeb856f4cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5906b416c0652d9ccebcacbb57a4e302298c699f141494be1af4eeb856f4cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5906b416c0652d9ccebcacbb57a4e302298c699f141494be1af4eeb856f4cf0", kill_on_drop: false }`
[INFO] [stdout] e5906b416c0652d9ccebcacbb57a4e302298c699f141494be1af4eeb856f4cf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02f7d4714303b68f71697ce9cb87a8b360eb26ba7223439f7e64289f1fe58913
[INFO] running `Command { std: "docker" "start" "-a" "02f7d4714303b68f71697ce9cb87a8b360eb26ba7223439f7e64289f1fe58913", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tcp-connect v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `AtomicU32` and `Ordering`
[INFO] [stdout]    --> src/dns_cache.rs:103:29
[INFO] [stdout]     |
[INFO] [stdout] 103 |     use std::sync::atomic::{AtomicU32, Ordering};
[INFO] [stdout]     |                             ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]    --> src/inner.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |     use std::time::Duration;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/dns_cache.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Miss(MissReason),
[INFO] [stdout]    |     ---- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 -     Miss(MissReason),
[INFO] [stdout] 22 +     Miss(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `start_test_server` is never used
[INFO] [stdout]  --> tests/test.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn start_test_server() -> std::io::Result<(SocketAddr, TcpListener)> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_tcp_connect` is never used
[INFO] [stdout]   --> tests/test.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn test_tcp_connect() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_tcp_connect_using_an_ipvaddr` is never used
[INFO] [stdout]   --> tests/test.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn test_tcp_connect_using_an_ipvaddr() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `receiver_pre_lookup` is never used
[INFO] [stdout]   --> src/test_utils.rs:57:23
[INFO] [stdout]    |
[INFO] [stdout] 31 |     impl MockDNSResolverBuilder {
[INFO] [stdout]    |     --------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |         pub(crate) fn receiver_pre_lookup(
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `Command { std: "docker" "inspect" "02f7d4714303b68f71697ce9cb87a8b360eb26ba7223439f7e64289f1fe58913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02f7d4714303b68f71697ce9cb87a8b360eb26ba7223439f7e64289f1fe58913", kill_on_drop: false }`
[INFO] [stdout] 02f7d4714303b68f71697ce9cb87a8b360eb26ba7223439f7e64289f1fe58913