[INFO] cloning repository https://github.com/Maix0/rustcraft
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Maix0/rustcraft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaix0%2Frustcraft", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaix0%2Frustcraft'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be543d2b463dac0f5e80d52cdfc161f6f385774c
[INFO] testing Maix0/rustcraft against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaix0%2Frustcraft" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Maix0/rustcraft on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Maix0/rustcraft
[INFO] finished tweaking git repo https://github.com/Maix0/rustcraft
[INFO] tweaked toml for git repo https://github.com/Maix0/rustcraft written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Maix0/rustcraft already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5189b5a2d197d9d3862b1e33a5064cc2b6f03c9b42c26225299121ccac72e49
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c5189b5a2d197d9d3862b1e33a5064cc2b6f03c9b42c26225299121ccac72e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5189b5a2d197d9d3862b1e33a5064cc2b6f03c9b42c26225299121ccac72e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5189b5a2d197d9d3862b1e33a5064cc2b6f03c9b42c26225299121ccac72e49", kill_on_drop: false }`
[INFO] [stdout] c5189b5a2d197d9d3862b1e33a5064cc2b6f03c9b42c26225299121ccac72e49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be6a5d64dd4f4e5bda4c314bf54c54cd7563d8cde5f53e577809e7618555cc58
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "be6a5d64dd4f4e5bda4c314bf54c54cd7563d8cde5f53e577809e7618555cc58", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling minecraft_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Handshake`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     struct Handshake;
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Boolean`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Boolean,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Byte`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Byte,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnsignedByte`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     UnsignedByte,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Short`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Short,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Int,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Long`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Long,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Float,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Double`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Double,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Chat`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Chat,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Identifier`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Identifier,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `VarLong`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     VarLong,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EntityMetadata`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     EntityMetadata,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Slot`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Slot,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NBTTag`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     NBTTag,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Position`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Position,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Angle`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Angle,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UUID`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     UUID,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OptionalX`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     OptionalX,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ArrayofX`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     ArrayofX,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `XEnum`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     XEnum,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ByteArray`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     ByteArray,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Size`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub(crate) enum Size {
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:50:19
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub(crate) fn size(&self) -> Size {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_as_var_long`
[INFO] [stdout]    --> src/tcp_handler/packet.rs:103:19
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub(crate) fn read_as_var_long(&self, mut data: &mut [u8]) -> Option<i64> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "be6a5d64dd4f4e5bda4c314bf54c54cd7563d8cde5f53e577809e7618555cc58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be6a5d64dd4f4e5bda4c314bf54c54cd7563d8cde5f53e577809e7618555cc58", kill_on_drop: false }`
[INFO] [stdout] be6a5d64dd4f4e5bda4c314bf54c54cd7563d8cde5f53e577809e7618555cc58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddaffaa230f0d1f60e14ca12c17c1f2b58928032038ea778633ee3b183abc8ce
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ddaffaa230f0d1f60e14ca12c17c1f2b58928032038ea778633ee3b183abc8ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling minecraft_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Handshake`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     struct Handshake;
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Boolean`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Boolean,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Byte`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Byte,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnsignedByte`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     UnsignedByte,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Short`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Short,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Int,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Long`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Long,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Float,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Double`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Double,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Chat`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Chat,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Identifier`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Identifier,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `VarLong`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     VarLong,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EntityMetadata`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     EntityMetadata,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Slot`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Slot,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NBTTag`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     NBTTag,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Position`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Position,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Angle`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Angle,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UUID`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     UUID,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OptionalX`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     OptionalX,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ArrayofX`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     ArrayofX,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `XEnum`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     XEnum,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ByteArray`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     ByteArray,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Size`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub(crate) enum Size {
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/tcp_handler/packet.rs:50:19
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub(crate) fn size(&self) -> Size {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_as_var_long`
[INFO] [stdout]    --> src/tcp_handler/packet.rs:103:19
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub(crate) fn read_as_var_long(&self, mut data: &mut [u8]) -> Option<i64> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "ddaffaa230f0d1f60e14ca12c17c1f2b58928032038ea778633ee3b183abc8ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddaffaa230f0d1f60e14ca12c17c1f2b58928032038ea778633ee3b183abc8ce", kill_on_drop: false }`
[INFO] [stdout] ddaffaa230f0d1f60e14ca12c17c1f2b58928032038ea778633ee3b183abc8ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b3719a4b3d0921d7c9416543b20fd57c02e5d7f6fbf0f91e737bf990393ebd8d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b3719a4b3d0921d7c9416543b20fd57c02e5d7f6fbf0f91e737bf990393ebd8d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 2 | use std::io::prelude::*;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Handshake`
[INFO] [stderr]   --> src/tcp_handler/packet.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     struct Handshake;
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Boolean`
[INFO] [stderr]   --> src/tcp_handler/packet.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Boolean,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Byte`
[INFO] [stderr]   --> src/tcp_handler/packet.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Byte,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnsignedByte`
[INFO] [stderr]   --> src/tcp_handler/packet.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     UnsignedByte,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Short`
[INFO] [stderr]   --> src/tcp_handler/packet.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Short,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Int`
[INFO] [stderr]   --> src/tcp_handler/packet.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Int,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Long`
[INFO] [stderr]   --> src/tcp_handler/packet.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Long,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Float`
[INFO] [stderr]   --> src/tcp_handler/packet.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Float,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Double`
[INFO] [stderr]   --> src/tcp_handler/packet.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Double,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Chat`
[INFO] [stderr]   --> src/tcp_handler/packet.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     Chat,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Identifier`
[INFO] [stderr]   --> src/tcp_handler/packet.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Identifier,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `VarLong`
[INFO] [stderr]   --> src/tcp_handler/packet.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     VarLong,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EntityMetadata`
[INFO] [stderr]   --> src/tcp_handler/packet.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     EntityMetadata,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Slot`
[INFO] [stderr]   --> src/tcp_handler/packet.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     Slot,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NBTTag`
[INFO] [stderr]   --> src/tcp_handler/packet.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     NBTTag,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Position`
[INFO] [stderr]   --> src/tcp_handler/packet.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     Position,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Angle`
[INFO] [stderr]   --> src/tcp_handler/packet.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     Angle,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UUID`
[INFO] [stderr]   --> src/tcp_handler/packet.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     UUID,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `OptionalX`
[INFO] [stderr]   --> src/tcp_handler/packet.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     OptionalX,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ArrayofX`
[INFO] [stderr]   --> src/tcp_handler/packet.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     ArrayofX,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `XEnum`
[INFO] [stderr]   --> src/tcp_handler/packet.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     XEnum,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ByteArray`
[INFO] [stderr]   --> src/tcp_handler/packet.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     ByteArray,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Size`
[INFO] [stderr]   --> src/tcp_handler/packet.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub(crate) enum Size {
[INFO] [stderr]    |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `size`
[INFO] [stderr]   --> src/tcp_handler/packet.rs:50:19
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub(crate) fn size(&self) -> Size {
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_as_var_long`
[INFO] [stderr]    --> src/tcp_handler/packet.rs:103:19
[INFO] [stderr]     |
[INFO] [stderr] 103 |     pub(crate) fn read_as_var_long(&self, mut data: &mut [u8]) -> Option<i64> {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 26 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/minecraft_server-d7552d4443ae7010
[INFO] running `Command { std: "docker" "inspect" "b3719a4b3d0921d7c9416543b20fd57c02e5d7f6fbf0f91e737bf990393ebd8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3719a4b3d0921d7c9416543b20fd57c02e5d7f6fbf0f91e737bf990393ebd8d", kill_on_drop: false }`
[INFO] [stdout] b3719a4b3d0921d7c9416543b20fd57c02e5d7f6fbf0f91e737bf990393ebd8d