[INFO] cloning repository https://github.com/darkwater/minecraft-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/darkwater/minecraft-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarkwater%2Fminecraft-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarkwater%2Fminecraft-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29279d70c68fb2f5e229120e168ca7e8c6706786
[INFO] checking darkwater/minecraft-server against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarkwater%2Fminecraft-server" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/darkwater/minecraft-server
[INFO] finished tweaking git repo https://github.com/darkwater/minecraft-server
[INFO] tweaked toml for git repo https://github.com/darkwater/minecraft-server written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/darkwater/minecraft-server on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/darkwater/minecraft-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f02a1502379dd95b334b50caf21b1b308b1072db2dea701361903a8a39b24136
[INFO] running `Command { std: "docker" "start" "-a" "f02a1502379dd95b334b50caf21b1b308b1072db2dea701361903a8a39b24136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f02a1502379dd95b334b50caf21b1b308b1072db2dea701361903a8a39b24136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f02a1502379dd95b334b50caf21b1b308b1072db2dea701361903a8a39b24136", kill_on_drop: false }`
[INFO] [stdout] f02a1502379dd95b334b50caf21b1b308b1072db2dea701361903a8a39b24136
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b3f0717f44fb3e09453a0ee85579a217ff9ba5f80e5f05bf5dd0fb7f3cd98cf
[INFO] running `Command { std: "docker" "start" "-a" "4b3f0717f44fb3e09453a0ee85579a217ff9ba5f80e5f05bf5dd0fb7f3cd98cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking futures-channel v0.3.28
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.97
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.24
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]     Checking thiserror v1.0.40
[INFO] [stderr]     Checking futures-util v0.3.28
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking serde v1.0.164
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking minecraft-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Byte` is never constructed
[INFO] [stdout]   --> src/protocol/data_types/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Byte(pub i8);
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnsignedByte` is never constructed
[INFO] [stdout]   --> src/protocol/data_types/mod.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct UnsignedByte(pub u8);
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Short` is never constructed
[INFO] [stdout]   --> src/protocol/data_types/mod.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Short(pub i16);
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Int` is never constructed
[INFO] [stdout]   --> src/protocol/data_types/mod.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Int(pub i32);
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Float` is never constructed
[INFO] [stdout]   --> src/protocol/data_types/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Float(pub f32);
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Double` is never constructed
[INFO] [stdout]   --> src/protocol/data_types/mod.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Double(pub f64);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Identifier` is never constructed
[INFO] [stdout]   --> src/protocol/data_types/mod.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Identifier(pub String);
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VarLong` is never constructed
[INFO] [stdout]   --> src/protocol/data_types/mod.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct VarLong(pub i64);
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EntityMetadata` is never constructed
[INFO] [stdout]   --> src/protocol/data_types/mod.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct EntityMetadata();
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Slot` is never constructed
[INFO] [stdout]   --> src/protocol/data_types/mod.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct Slot();
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NbtTag` is never constructed
[INFO] [stdout]   --> src/protocol/data_types/mod.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct NbtTag();
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Position` is never constructed
[INFO] [stdout]   --> src/protocol/data_types/mod.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Position {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Angle` is never constructed
[INFO] [stdout]   --> src/protocol/data_types/mod.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Angle(pub u8);
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bits` is never used
[INFO] [stdout]  --> src/protocol/data_types/position.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn bits(n: u64) -> u64 {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `protocol_version`, `server_address`, and `server_port` are never read
[INFO] [stdout]   --> src/protocol/packets/handshaking/handshake.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct SbHandshake {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout]  8 |     protocol_version: VarInt,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]  9 |     server_address: McString<255>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     server_port: UnsignedShort,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SbHandshake` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Byte` is never constructed
[INFO] [stdout]   --> src/protocol/data_types/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Byte(pub i8);
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnsignedByte` is never constructed
[INFO] [stdout]   --> src/protocol/data_types/mod.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct UnsignedByte(pub u8);
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Short` is never constructed
[INFO] [stdout]   --> src/protocol/data_types/mod.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Short(pub i16);
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Int` is never constructed
[INFO] [stdout]   --> src/protocol/data_types/mod.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Int(pub i32);
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Float` is never constructed
[INFO] [stdout]   --> src/protocol/data_types/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Float(pub f32);
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Double` is never constructed
[INFO] [stdout]   --> src/protocol/data_types/mod.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Double(pub f64);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Identifier` is never constructed
[INFO] [stdout]   --> src/protocol/data_types/mod.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Identifier(pub String);
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EntityMetadata` is never constructed
[INFO] [stdout]   --> src/protocol/data_types/mod.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct EntityMetadata();
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Slot` is never constructed
[INFO] [stdout]   --> src/protocol/data_types/mod.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct Slot();
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NbtTag` is never constructed
[INFO] [stdout]   --> src/protocol/data_types/mod.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct NbtTag();
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Angle` is never constructed
[INFO] [stdout]   --> src/protocol/data_types/mod.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Angle(pub u8);
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `protocol_version`, `server_address`, and `server_port` are never read
[INFO] [stdout]   --> src/protocol/packets/handshaking/handshake.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct SbHandshake {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout]  8 |     protocol_version: VarInt,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]  9 |     server_address: McString<255>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     server_port: UnsignedShort,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SbHandshake` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.76s
[INFO] running `Command { std: "docker" "inspect" "4b3f0717f44fb3e09453a0ee85579a217ff9ba5f80e5f05bf5dd0fb7f3cd98cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3f0717f44fb3e09453a0ee85579a217ff9ba5f80e5f05bf5dd0fb7f3cd98cf", kill_on_drop: false }`
[INFO] [stdout] 4b3f0717f44fb3e09453a0ee85579a217ff9ba5f80e5f05bf5dd0fb7f3cd98cf
