[INFO] fetching crate tcp-connect 0.1.0...
[INFO] testing tcp-connect-0.1.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate tcp-connect 0.1.0 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tcp-connect 0.1.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "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 v0.8.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5ac8032092c1003bc5281002d4766319a30181396c9fed1bd38b24f08a85cdd
[INFO] running `Command { std: "docker" "start" "-a" "e5ac8032092c1003bc5281002d4766319a30181396c9fed1bd38b24f08a85cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5ac8032092c1003bc5281002d4766319a30181396c9fed1bd38b24f08a85cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5ac8032092c1003bc5281002d4766319a30181396c9fed1bd38b24f08a85cdd", kill_on_drop: false }`
[INFO] [stdout] e5ac8032092c1003bc5281002d4766319a30181396c9fed1bd38b24f08a85cdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c5396b91b2f0841ee2245fb89cb60db3783d56285344eb671e584425df367eb
[INFO] running `Command { std: "docker" "start" "-a" "2c5396b91b2f0841ee2245fb89cb60db3783d56285344eb671e584425df367eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling tcp-connect v0.1.0 (/opt/rustwide/workdir)
[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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `Command { std: "docker" "inspect" "2c5396b91b2f0841ee2245fb89cb60db3783d56285344eb671e584425df367eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c5396b91b2f0841ee2245fb89cb60db3783d56285344eb671e584425df367eb", kill_on_drop: false }`
[INFO] [stdout] 2c5396b91b2f0841ee2245fb89cb60db3783d56285344eb671e584425df367eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbafc48e561a4cad1c50eac1571ae502e45fbe322e0d4f482fbb8fcbcab7a857
[INFO] running `Command { std: "docker" "start" "-a" "cbafc48e561a4cad1c50eac1571ae502e45fbe322e0d4f482fbb8fcbcab7a857", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp-connect v0.1.0 (/opt/rustwide/workdir)
[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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "cbafc48e561a4cad1c50eac1571ae502e45fbe322e0d4f482fbb8fcbcab7a857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbafc48e561a4cad1c50eac1571ae502e45fbe322e0d4f482fbb8fcbcab7a857", kill_on_drop: false }`
[INFO] [stdout] cbafc48e561a4cad1c50eac1571ae502e45fbe322e0d4f482fbb8fcbcab7a857
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d736a8a69b0d729c6e787776940029e6fb7e737302418e81cca8d2671ed3f773
[INFO] running `Command { std: "docker" "start" "-a" "d736a8a69b0d729c6e787776940029e6fb7e737302418e81cca8d2671ed3f773", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/dns_cache.rs:22:10
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Miss(MissReason),
[INFO] [stderr]    |     ---- ^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 22 -     Miss(MissReason),
[INFO] [stderr] 22 +     Miss(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `tcp-connect` (lib) generated 1 warning
[INFO] [stderr] warning: function `start_test_server` is never used
[INFO] [stderr]  --> tests/test.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn start_test_server() -> std::io::Result<(SocketAddr, TcpListener)> {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_tcp_connect` is never used
[INFO] [stderr]   --> tests/test.rs:11:4
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn test_tcp_connect() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_tcp_connect_using_an_ipvaddr` is never used
[INFO] [stderr]   --> tests/test.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn test_tcp_connect_using_an_ipvaddr() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AtomicU32` and `Ordering`
[INFO] [stderr]    --> src/dns_cache.rs:103:29
[INFO] [stderr]     |
[INFO] [stderr] 103 |     use std::sync::atomic::{AtomicU32, Ordering};
[INFO] [stderr]     |                             ^^^^^^^^^  ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]    --> src/inner.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |     use std::time::Duration;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `receiver_pre_lookup` is never used
[INFO] [stderr]   --> src/test_utils.rs:57:23
[INFO] [stderr]    |
[INFO] [stderr] 31 |     impl MockDNSResolverBuilder {
[INFO] [stderr]    |     --------------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 57 |         pub(crate) fn receiver_pre_lookup(
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tcp-connect` (test "test") generated 3 warnings
[INFO] [stderr] warning: `tcp-connect` (lib test) generated 3 warnings (run `cargo fix --lib -p tcp-connect --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tcp_connect-4aa5d4038737bea1)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test dns_cache::tests::dns_cache_miss_and_hit ... ok
[INFO] [stdout] test inner::tests::tcp_connect_shared_connect_invalid_port ... ok
[INFO] [stdout] test inner::tests::tcp_connect_shared_connect_invalid_addr ... ok
[INFO] [stdout] test inner::tests::tcp_connect_shared_get_addr_return_random_addr ... ok
[INFO] [stdout] test inner::tests::tcp_connect_shared_get_addr_stale ... ok
[INFO] [stdout] test dns_cache::tests::dns_cache_ttl ... ok
[INFO] [stdout] test wait_queue::tests::test_wait_queue_resolve_or_wait_resolve_ok ... ok
[INFO] [stdout] test wait_queue::tests::test_wait_queue_resolve_or_wait_resolve_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-fcdbf4912d62358b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tcp_connect
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - TCPConnect::builder (line 54) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d736a8a69b0d729c6e787776940029e6fb7e737302418e81cca8d2671ed3f773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d736a8a69b0d729c6e787776940029e6fb7e737302418e81cca8d2671ed3f773", kill_on_drop: false }`
[INFO] [stdout] d736a8a69b0d729c6e787776940029e6fb7e737302418e81cca8d2671ed3f773
