[INFO] fetching crate mc-query 1.1.0...
[INFO] checking mc-query-1.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate mc-query 1.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate mc-query 1.1.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mc-query 1.1.0
[INFO] finished tweaking crates.io crate mc-query 1.1.0
[INFO] tweaked toml for crates.io crate mc-query 1.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 57 packages to latest compatible versions
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8f344be9e6c71a9ff44a64ed3175b15a64315ae41dff097b6f6578e2a1184d3
[INFO] running `Command { std: "docker" "start" "-a" "b8f344be9e6c71a9ff44a64ed3175b15a64315ae41dff097b6f6578e2a1184d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8f344be9e6c71a9ff44a64ed3175b15a64315ae41dff097b6f6578e2a1184d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8f344be9e6c71a9ff44a64ed3175b15a64315ae41dff097b6f6578e2a1184d3", kill_on_drop: false }`
[INFO] [stdout] b8f344be9e6c71a9ff44a64ed3175b15a64315ae41dff097b6f6578e2a1184d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cba19028e74462f281b555d721b4319742b85fc1b81cfd1d5c36d05aa654082
[INFO] running `Command { std: "docker" "start" "-a" "9cba19028e74462f281b555d721b4319742b85fc1b81cfd1d5c36d05aa654082", kill_on_drop: false }`
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking bytes v1.7.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking mc-query v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `write_varint` is never used
[INFO] [stdout]   --> src/socket.rs:19:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) trait ReadWriteVarInt {
[INFO] [stdout]    |                  --------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 19 |     async fn write_varint(&mut self, value: i32) -> Result<()>;
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ReadWriteVarLong` is never used
[INFO] [stdout]   --> src/socket.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub(crate) trait ReadWriteVarLong {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_mc_string` is never used
[INFO] [stdout]   --> src/socket.rs:49:14
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub(crate) trait ReadWriteMinecraftString {
[INFO] [stdout]    |                  ------------------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 49 |     async fn write_mc_string(&mut self, value: &str) -> Result<()>;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ReadWriteNullTermString` is never used
[INFO] [stdout]   --> src/socket.rs:54:18
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub(crate) trait ReadWriteNullTermString {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_varint` is never used
[INFO] [stdout]   --> src/socket.rs:19:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) trait ReadWriteVarInt {
[INFO] [stdout]    |                  --------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 19 |     async fn write_varint(&mut self, value: i32) -> Result<()>;
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ReadWriteVarLong` is never used
[INFO] [stdout]   --> src/socket.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub(crate) trait ReadWriteVarLong {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_mc_string` is never used
[INFO] [stdout]   --> src/socket.rs:49:14
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub(crate) trait ReadWriteMinecraftString {
[INFO] [stdout]    |                  ------------------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 49 |     async fn write_mc_string(&mut self, value: &str) -> Result<()>;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ReadWriteNullTermString` is never used
[INFO] [stdout]   --> src/socket.rs:54:18
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub(crate) trait ReadWriteNullTermString {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.38s
[INFO] running `Command { std: "docker" "inspect" "9cba19028e74462f281b555d721b4319742b85fc1b81cfd1d5c36d05aa654082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cba19028e74462f281b555d721b4319742b85fc1b81cfd1d5c36d05aa654082", kill_on_drop: false }`
[INFO] [stdout] 9cba19028e74462f281b555d721b4319742b85fc1b81cfd1d5c36d05aa654082