[INFO] fetching crate sandstone 0.1.2...
[INFO] checking sandstone-0.1.2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate sandstone 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate sandstone 0.1.2 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sandstone 0.1.2
[INFO] finished tweaking crates.io crate sandstone 0.1.2
[INFO] tweaked toml for crates.io crate sandstone 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 266 packages to latest compatible versions
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sandstone-derive v0.1.1
[INFO] [stderr]   Downloaded cfb8 v0.8.1
[INFO] [stderr]   Downloaded fastsnbt v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "18b97a8b4c0c0bbdb00be1478f686e96826a86a232a06721526199d5999572a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18b97a8b4c0c0bbdb00be1478f686e96826a86a232a06721526199d5999572a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18b97a8b4c0c0bbdb00be1478f686e96826a86a232a06721526199d5999572a9", kill_on_drop: false }`
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[INFO] [stdout] 35a31461bd7e02861966f453012bf92c479de6d5daf4d3f1137ffb1f98304697
[INFO] running `Command { std: "docker" "start" "-a" "35a31461bd7e02861966f453012bf92c479de6d5daf4d3f1137ffb1f98304697", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `McDeserialize`, `McDeserializer`, `McSerialize`, and `McSerializer`
[INFO] [stdout]  --> src/protocol_types/datatypes/nbt/nbt_testing.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::protocol::serialization::{McDeserialize, McDeserializer, McSerialize, McSerializer};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `NbtByteArray`, `NbtCompound`, `NbtIntArray`, `NbtList`, `NbtLongArray`, and `NbtTag`
[INFO] [stdout]  --> src/protocol_types/datatypes/nbt/nbt_testing.rs:2:50
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::protocol_types::datatypes::nbt::nbt::{NbtByteArray, NbtCompound, NbtIntArray, NbtList, NbtLongArray, NbtTag};
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^  ^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `NbtCompound` and `NbtTag`
[INFO] [stdout]  --> src/protocol_types/datatypes/nbt/snbt_testing.rs:1:50
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::protocol_types::datatypes::nbt::nbt::{NbtCompound, NbtTag};
[INFO] [stdout]   |                                                  ^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Display`
[INFO] [stdout]  --> src/protocol_types/datatypes/nbt/nbt_error.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{Debug, Display};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `get_player_details`, `get_uuid_from_username`, and `get_uuids_from_usernames`
[INFO] [stdout]  --> src/util/mojang/mojang_testing.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::util::mojang::{get_player_details, get_uuid_from_username, get_uuids_from_usernames};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncStreamCipher` and `KeyIvInit`
[INFO] [stdout]  --> src/util/encryption/mod.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use aes::cipher::{AsyncStreamCipher, KeyIvInit};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DisconnectBody`, `LoginPluginResponseBody`, and `Packet`
[INFO] [stdout]  --> src/protocol/testing/packet_testing.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::protocol::packets::{DisconnectBody, LoginPluginResponseBody, Packet};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::protocol::packets::packet_component::LoginPluginSpec`
[INFO] [stdout]  --> src/protocol/testing/packet_testing.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::protocol::packets::packet_component::LoginPluginSpec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PacketDirection` and `PacketState`
[INFO] [stdout]  --> src/protocol/testing/packet_testing.rs:3:48
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::protocol::packets::packet_definer::{PacketDirection, PacketState};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `McDeserializer`, `McSerialize`, `McSerializer`, and `StateBasedDeserializer`
[INFO] [stdout]  --> src/protocol/testing/packet_testing.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::protocol::serialization::{McDeserializer, McSerialize, McSerializer, StateBasedDeserializer};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::protocol_types::datatypes::chat::TextComponent`
[INFO] [stdout]  --> src/protocol/testing/packet_testing.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::protocol_types::datatypes::chat::TextComponent;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::SystemTime`
[INFO] [stdout]  --> src/protocol/testing/benchmarking.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::SystemTime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HandshakingBody` and `Packet`
[INFO] [stdout]  --> src/protocol/testing/benchmarking.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::protocol::packets::{HandshakingBody, Packet};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PacketDirection` and `PacketState`
[INFO] [stdout]  --> src/protocol/testing/benchmarking.rs:6:48
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::protocol::packets::packet_definer::{PacketDirection, PacketState};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `McDeserialize`, `McDeserializer`, `McSerialize`, `McSerializer`, and `StateBasedDeserializer`
[INFO] [stdout]  --> src/protocol/testing/benchmarking.rs:7:38
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::protocol::serialization::{McDeserialize, McDeserializer, McSerialize, McSerializer, StateBasedDeserializer};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::protocol_types::datatypes::var_types::VarInt`
[INFO] [stdout]  --> src/protocol/testing/benchmarking.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::protocol_types::datatypes::var_types::VarInt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Display`
[INFO] [stdout]  --> src/protocol_types/datatypes/nbt/nbt_error.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{Debug, Display};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ThreadPool` is never constructed
[INFO] [stdout]   --> src/util/threadpool/mod.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct ThreadPool<F: Fn() + Send + 'static> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Aes128Cfb8Enc` is never used
[INFO] [stdout]  --> src/util/encryption/mod.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Aes128Cfb8Enc = cfb8::Encryptor<aes::Aes128>;
[INFO] [stdout]   |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Aes128Cfb8Dec` is never used
[INFO] [stdout]  --> src/util/encryption/mod.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | type Aes128Cfb8Dec = cfb8::Decryptor<aes::Aes128>;
[INFO] [stdout]   |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nbt`
[INFO] [stdout]   --> src/protocol_types/datatypes/nbt/snbt_testing.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let nbt = NbtTag::Compound(nbt);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_nbt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cipher`
[INFO] [stdout]   --> src/util/encryption/mod.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let cipher = hex::encode("33b356ce9184290c4c8facc1c0b1f918d5475aeb75b88c161ca65bdf05c7137ff4b0");
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cipher`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ThreadPool` is never constructed
[INFO] [stdout]   --> src/util/threadpool/mod.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct ThreadPool<F: Fn() + Send + 'static> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "35a31461bd7e02861966f453012bf92c479de6d5daf4d3f1137ffb1f98304697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35a31461bd7e02861966f453012bf92c479de6d5daf4d3f1137ffb1f98304697", kill_on_drop: false }`
[INFO] [stdout] 35a31461bd7e02861966f453012bf92c479de6d5daf4d3f1137ffb1f98304697