[INFO] fetching crate tcp-connect 0.1.0...
[INFO] checking tcp-connect-0.1.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate tcp-connect 0.1.0 into /workspace/builds/worker-7-tc1/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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tcp-connect 0.1.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7f0e4eb3f5181e5b22c2e04afc394f3ab93b34285a77b3fe408eb33a21f1910
[INFO] running `Command { std: "docker" "start" "-a" "e7f0e4eb3f5181e5b22c2e04afc394f3ab93b34285a77b3fe408eb33a21f1910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7f0e4eb3f5181e5b22c2e04afc394f3ab93b34285a77b3fe408eb33a21f1910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f0e4eb3f5181e5b22c2e04afc394f3ab93b34285a77b3fe408eb33a21f1910", kill_on_drop: false }`
[INFO] [stdout] e7f0e4eb3f5181e5b22c2e04afc394f3ab93b34285a77b3fe408eb33a21f1910
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce4b159157746fc10697f82dc820871bfc872bc5de79edb373195e7c8e90cf84
[INFO] running `Command { std: "docker" "start" "-a" "ce4b159157746fc10697f82dc820871bfc872bc5de79edb373195e7c8e90cf84", kill_on_drop: false }`
[INFO] [stderr]     Checking getrandom v0.2.16
[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: 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 1.66s
[INFO] running `Command { std: "docker" "inspect" "ce4b159157746fc10697f82dc820871bfc872bc5de79edb373195e7c8e90cf84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce4b159157746fc10697f82dc820871bfc872bc5de79edb373195e7c8e90cf84", kill_on_drop: false }`
[INFO] [stdout] ce4b159157746fc10697f82dc820871bfc872bc5de79edb373195e7c8e90cf84