[INFO] fetching crate mc-query 1.0.1...
[INFO] checking mc-query-1.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate mc-query 1.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate mc-query 1.0.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mc-query 1.0.1
[INFO] finished tweaking crates.io crate mc-query 1.0.1
[INFO] tweaked toml for crates.io crate mc-query 1.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 65 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0589c9136be51f14ba9650e0f62adb8e9cd4ee8cba5ba99a38e33a96f652a9fb
[INFO] running `Command { std: "docker" "start" "-a" "0589c9136be51f14ba9650e0f62adb8e9cd4ee8cba5ba99a38e33a96f652a9fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0589c9136be51f14ba9650e0f62adb8e9cd4ee8cba5ba99a38e33a96f652a9fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0589c9136be51f14ba9650e0f62adb8e9cd4ee8cba5ba99a38e33a96f652a9fb", kill_on_drop: false }`
[INFO] [stdout] 0589c9136be51f14ba9650e0f62adb8e9cd4ee8cba5ba99a38e33a96f652a9fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ce069a4431ae363964985b60b645f2ca0d84f77b10707a46a32c732f7f4088b
[INFO] running `Command { std: "docker" "start" "-a" "9ce069a4431ae363964985b60b645f2ca0d84f77b10707a46a32c732f7f4088b", kill_on_drop: false }`
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking mc-query v1.0.1 (/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: 4 warnings emitted
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.84s
[INFO] running `Command { std: "docker" "inspect" "9ce069a4431ae363964985b60b645f2ca0d84f77b10707a46a32c732f7f4088b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ce069a4431ae363964985b60b645f2ca0d84f77b10707a46a32c732f7f4088b", kill_on_drop: false }`
[INFO] [stdout] 9ce069a4431ae363964985b60b645f2ca0d84f77b10707a46a32c732f7f4088b