[INFO] fetching crate tcp-connect 0.1.0...
[INFO] checking tcp-connect-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate tcp-connect 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate tcp-connect 0.1.0
[INFO] finished tweaking crates.io crate tcp-connect 0.1.0
[INFO] tweaked toml for crates.io crate tcp-connect 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tcp-connect 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01f3133a52d35b4f8ae900abe650abae2c02a70983b46ab96ebe577a48c83aab
[INFO] running `Command { std: "docker" "start" "-a" "01f3133a52d35b4f8ae900abe650abae2c02a70983b46ab96ebe577a48c83aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01f3133a52d35b4f8ae900abe650abae2c02a70983b46ab96ebe577a48c83aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01f3133a52d35b4f8ae900abe650abae2c02a70983b46ab96ebe577a48c83aab", kill_on_drop: false }`
[INFO] [stdout] 01f3133a52d35b4f8ae900abe650abae2c02a70983b46ab96ebe577a48c83aab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5094db12410f230ac611d5e8bc1055e0d75d10afaedd7b0bdb939a10f9ff3820
[INFO] running `Command { std: "docker" "start" "-a" "5094db12410f230ac611d5e8bc1055e0d75d10afaedd7b0bdb939a10f9ff3820", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[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: 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] [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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.22s
[INFO] running `Command { std: "docker" "inspect" "5094db12410f230ac611d5e8bc1055e0d75d10afaedd7b0bdb939a10f9ff3820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5094db12410f230ac611d5e8bc1055e0d75d10afaedd7b0bdb939a10f9ff3820", kill_on_drop: false }`
[INFO] [stdout] 5094db12410f230ac611d5e8bc1055e0d75d10afaedd7b0bdb939a10f9ff3820