[INFO] fetching crate mchprs 0.1.1... [INFO] checking mchprs-0.1.1 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331 [INFO] extracting crate mchprs 0.1.1 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate mchprs 0.1.1 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112 [INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate mchprs 0.1.1 [INFO] finished tweaking crates.io crate mchprs 0.1.1 [INFO] tweaked toml for crates.io crate mchprs 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate mchprs 0.1.1 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded hematite-nbt v0.4.1 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 60fb33d243e186f079dd05b8c719f98dd91fb5db0f3835f1ca0cd1edfe082e97 [INFO] running `"docker" "start" "-a" "60fb33d243e186f079dd05b8c719f98dd91fb5db0f3835f1ca0cd1edfe082e97"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking smallvec v1.2.0 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking cesu8 v1.1.0 [INFO] [stderr] Checking atomic-option v0.1.2 [INFO] [stderr] Checking md5 v0.7.0 [INFO] [stderr] Compiling miniz-sys v0.1.12 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Compiling lexical-core v0.6.2 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking crossbeam-utils v0.7.2 [INFO] [stderr] Checking parking_lot_core v0.7.0 [INFO] [stderr] Checking flate2 v1.0.14 [INFO] [stderr] Checking crossbeam-channel v0.4.2 [INFO] [stderr] Checking fern v0.6.0 [INFO] [stderr] Checking nix v0.17.0 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking flate2 v0.2.20 [INFO] [stderr] Checking bus v2.2.3 [INFO] [stderr] Checking nom v5.1.1 [INFO] [stderr] Checking regex v1.3.6 [INFO] [stderr] Checking serde-hjson v0.9.1 [INFO] [stderr] Checking ctrlc v3.1.4 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Checking serde v1.0.106 [INFO] [stderr] Checking serde_json v1.0.51 [INFO] [stderr] Checking toml v0.5.6 [INFO] [stderr] Checking hematite-nbt v0.4.1 [INFO] [stderr] Checking bincode v1.2.1 [INFO] [stderr] Checking config v0.10.1 [INFO] [stderr] Checking mchprs v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `plot_x` [INFO] [stderr] --> src/server.rs:274:37 [INFO] [stderr] | [INFO] [stderr] 274 | Message::PlotUnload(plot_x, plot_z) => { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_plot_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `plot_z` [INFO] [stderr] --> src/server.rs:274:45 [INFO] [stderr] | [INFO] [stderr] 274 | Message::PlotUnload(plot_x, plot_z) => { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_plot_z` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `plot_x` [INFO] [stderr] --> src/server.rs:274:37 [INFO] [stderr] | [INFO] [stderr] 274 | Message::PlotUnload(plot_x, plot_z) => { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_plot_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `plot_z` [INFO] [stderr] --> src/server.rs:274:45 [INFO] [stderr] | [INFO] [stderr] 274 | Message::PlotUnload(plot_x, plot_z) => { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_plot_z` [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `EncodeResult` [INFO] [stderr] --> src/network/packets/mod.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | pub type EncodeResult = std::result::Result; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `read_int` [INFO] [stderr] --> src/network/packets/mod.rs:121:8 [INFO] [stderr] | [INFO] [stderr] 121 | fn read_int(&mut self) -> DecodeResult { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `read_varlong` [INFO] [stderr] --> src/network/packets/mod.rs:185:8 [INFO] [stderr] | [INFO] [stderr] 185 | fn read_varlong(&mut self) -> DecodeResult { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `compare_variant` [INFO] [stderr] --> src/blocks.rs:164:12 [INFO] [stderr] | [INFO] [stderr] 164 | pub fn compare_variant(&self, other: &Block) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Item` [INFO] [stderr] --> src/items.rs:3:6 [INFO] [stderr] | [INFO] [stderr] 3 | enum Item { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `from` [INFO] [stderr] --> src/items.rs:10:8 [INFO] [stderr] | [INFO] [stderr] 10 | fn from(id: u32) -> Item { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `send_chat_message` [INFO] [stderr] --> src/player.rs:302:12 [INFO] [stderr] | [INFO] [stderr] 302 | pub fn send_chat_message(&mut self, message: String) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `PlayerTeleportOther` [INFO] [stderr] --> src/server.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | PlayerTeleportOther(Arc, String), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/network/mod.rs:63:13 [INFO] [stderr] | [INFO] [stderr] 63 | self.stream.write_all(&data.compressed()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/network/mod.rs:65:13 [INFO] [stderr] | [INFO] [stderr] 65 | self.stream.write_all(&data.uncompressed()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/network/mod.rs:71:9 [INFO] [stderr] | [INFO] [stderr] 71 | self.stream.shutdown(Shutdown::Both); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/network/mod.rs:126:13 [INFO] [stderr] | [INFO] [stderr] 126 | client.update(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/network/packets/mod.rs:244:9 [INFO] [stderr] | [INFO] [stderr] 244 | self.write_all(&PacketEncoder::varint(val)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/plot/mod.rs:202:17 [INFO] [stderr] | [INFO] [stderr] 202 | self.message_sender.send(Message::Shutdown); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/server.rs:262:25 [INFO] [stderr] | [INFO] [stderr] 262 | / plot_list_entry [INFO] [stderr] 263 | | .priv_message_sender [INFO] [stderr] 264 | | .send(PrivMessage::PlayerEnterPlot(player)); [INFO] [stderr] | |________________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/server.rs:311:25 [INFO] [stderr] | [INFO] [stderr] 311 | / plot_list_entry [INFO] [stderr] 312 | | .priv_message_sender [INFO] [stderr] 313 | | .send(PrivMessage::PlayerEnterPlot(player)); [INFO] [stderr] | |________________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 18 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `EncodeResult` [INFO] [stderr] --> src/network/packets/mod.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | pub type EncodeResult = std::result::Result; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `read_int` [INFO] [stderr] --> src/network/packets/mod.rs:121:8 [INFO] [stderr] | [INFO] [stderr] 121 | fn read_int(&mut self) -> DecodeResult { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `read_varlong` [INFO] [stderr] --> src/network/packets/mod.rs:185:8 [INFO] [stderr] | [INFO] [stderr] 185 | fn read_varlong(&mut self) -> DecodeResult { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `compare_variant` [INFO] [stderr] --> src/blocks.rs:164:12 [INFO] [stderr] | [INFO] [stderr] 164 | pub fn compare_variant(&self, other: &Block) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Item` [INFO] [stderr] --> src/items.rs:3:6 [INFO] [stderr] | [INFO] [stderr] 3 | enum Item { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `from` [INFO] [stderr] --> src/items.rs:10:8 [INFO] [stderr] | [INFO] [stderr] 10 | fn from(id: u32) -> Item { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `send_chat_message` [INFO] [stderr] --> src/player.rs:302:12 [INFO] [stderr] | [INFO] [stderr] 302 | pub fn send_chat_message(&mut self, message: String) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `PlayerTeleportOther` [INFO] [stderr] --> src/server.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | PlayerTeleportOther(Arc, String), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/network/mod.rs:63:13 [INFO] [stderr] | [INFO] [stderr] 63 | self.stream.write_all(&data.compressed()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/network/mod.rs:65:13 [INFO] [stderr] | [INFO] [stderr] 65 | self.stream.write_all(&data.uncompressed()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/network/mod.rs:71:9 [INFO] [stderr] | [INFO] [stderr] 71 | self.stream.shutdown(Shutdown::Both); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/network/mod.rs:126:13 [INFO] [stderr] | [INFO] [stderr] 126 | client.update(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/network/packets/mod.rs:244:9 [INFO] [stderr] | [INFO] [stderr] 244 | self.write_all(&PacketEncoder::varint(val)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/plot/mod.rs:202:17 [INFO] [stderr] | [INFO] [stderr] 202 | self.message_sender.send(Message::Shutdown); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/server.rs:262:25 [INFO] [stderr] | [INFO] [stderr] 262 | / plot_list_entry [INFO] [stderr] 263 | | .priv_message_sender [INFO] [stderr] 264 | | .send(PrivMessage::PlayerEnterPlot(player)); [INFO] [stderr] | |________________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/server.rs:311:25 [INFO] [stderr] | [INFO] [stderr] 311 | / plot_list_entry [INFO] [stderr] 312 | | .priv_message_sender [INFO] [stderr] 313 | | .send(PrivMessage::PlayerEnterPlot(player)); [INFO] [stderr] | |________________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 18 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 50.79s [INFO] running `"docker" "inspect" "60fb33d243e186f079dd05b8c719f98dd91fb5db0f3835f1ca0cd1edfe082e97"` [INFO] running `"docker" "rm" "-f" "60fb33d243e186f079dd05b8c719f98dd91fb5db0f3835f1ca0cd1edfe082e97"` [INFO] [stdout] 60fb33d243e186f079dd05b8c719f98dd91fb5db0f3835f1ca0cd1edfe082e97