[INFO] cloning repository https://github.com/BlueyNeilo/mahjong-online-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BlueyNeilo/mahjong-online-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlueyNeilo%2Fmahjong-online-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlueyNeilo%2Fmahjong-online-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d85aa26783fd176abdab1f8c2c01ad1c1bc0b305
[INFO] checking BlueyNeilo/mahjong-online-server against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlueyNeilo%2Fmahjong-online-server" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BlueyNeilo/mahjong-online-server on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BlueyNeilo/mahjong-online-server
[INFO] finished tweaking git repo https://github.com/BlueyNeilo/mahjong-online-server
[INFO] tweaked toml for git repo https://github.com/BlueyNeilo/mahjong-online-server written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/BlueyNeilo/mahjong-online-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c243edf6ac4ee93d34a3086beb8e5a6e91117ed82ba5baad1eed1a5bef731110
[INFO] running `Command { std: "docker" "start" "-a" "c243edf6ac4ee93d34a3086beb8e5a6e91117ed82ba5baad1eed1a5bef731110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c243edf6ac4ee93d34a3086beb8e5a6e91117ed82ba5baad1eed1a5bef731110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c243edf6ac4ee93d34a3086beb8e5a6e91117ed82ba5baad1eed1a5bef731110", kill_on_drop: false }`
[INFO] [stdout] c243edf6ac4ee93d34a3086beb8e5a6e91117ed82ba5baad1eed1a5bef731110
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e4d2ee044896f07ee576d7c7ba01cc0f1f7c0884b6361d47899c3273834ce1ef
[INFO] running `Command { std: "docker" "start" "-a" "e4d2ee044896f07ee576d7c7ba01cc0f1f7c0884b6361d47899c3273834ce1ef", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking lazycell v0.5.1
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking iovec v0.1.1
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking mio v0.6.11 (https://github.com/carllerche/mio#0da987e2)
[INFO] [stderr]     Checking mahjong-online-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Red`
[INFO] [stdout]  --> src/mahjong_tiles.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Red,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Green`
[INFO] [stdout]  --> src/mahjong_tiles.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Green,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `White`
[INFO] [stdout]  --> src/mahjong_tiles.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     White
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `North`
[INFO] [stdout]   --> src/mahjong_tiles.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     North,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `South`
[INFO] [stdout]   --> src/mahjong_tiles.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     South,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `East`
[INFO] [stdout]   --> src/mahjong_tiles.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     East,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `West`
[INFO] [stdout]   --> src/mahjong_tiles.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     West
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dot`
[INFO] [stdout]   --> src/mahjong_tiles.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Dot,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bamboo`
[INFO] [stdout]   --> src/mahjong_tiles.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Bamboo,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Character`
[INFO] [stdout]   --> src/mahjong_tiles.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Character,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Wind`
[INFO] [stdout]   --> src/mahjong_tiles.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Wind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dragon`
[INFO] [stdout]   --> src/mahjong_tiles.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Dragon,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Wind`
[INFO] [stdout]   --> src/mahjong_tiles.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Wind(Winds),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dragon`
[INFO] [stdout]   --> src/mahjong_tiles.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Dragon(Dragons),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `suit`
[INFO] [stdout]   --> src/mahjong_tiles.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     suit : SimpleSuit,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/mahjong_tiles.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     value : u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `suit`
[INFO] [stdout]   --> src/mahjong_tiles.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     suit : HonourSuit,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/mahjong_tiles.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     value : HonourValue,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `suit`
[INFO] [stdout]   --> src/mahjong_tiles.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     suit : FlowerSuit,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/mahjong_tiles.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     value : u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send`
[INFO] [stdout]   --> src/main.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn send() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `recieve`
[INFO] [stdout]   --> src/main.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn recieve() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Red`
[INFO] [stdout]  --> src/mahjong_tiles.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Red,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Green`
[INFO] [stdout]  --> src/mahjong_tiles.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Green,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `White`
[INFO] [stdout]  --> src/mahjong_tiles.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     White
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `North`
[INFO] [stdout]   --> src/mahjong_tiles.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     North,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `South`
[INFO] [stdout]   --> src/mahjong_tiles.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     South,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `East`
[INFO] [stdout]   --> src/mahjong_tiles.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     East,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `West`
[INFO] [stdout]   --> src/mahjong_tiles.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     West
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dot`
[INFO] [stdout]   --> src/mahjong_tiles.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Dot,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bamboo`
[INFO] [stdout]   --> src/mahjong_tiles.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Bamboo,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Character`
[INFO] [stdout]   --> src/mahjong_tiles.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Character,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Wind`
[INFO] [stdout]   --> src/mahjong_tiles.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Wind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dragon`
[INFO] [stdout]   --> src/mahjong_tiles.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Dragon,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Wind`
[INFO] [stdout]   --> src/mahjong_tiles.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Wind(Winds),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dragon`
[INFO] [stdout]   --> src/mahjong_tiles.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Dragon(Dragons),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `suit`
[INFO] [stdout]   --> src/mahjong_tiles.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     suit : SimpleSuit,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/mahjong_tiles.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     value : u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `suit`
[INFO] [stdout]   --> src/mahjong_tiles.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     suit : HonourSuit,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/mahjong_tiles.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     value : HonourValue,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `suit`
[INFO] [stdout]   --> src/mahjong_tiles.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     suit : FlowerSuit,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/mahjong_tiles.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     value : u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send`
[INFO] [stdout]   --> src/main.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn send() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `recieve`
[INFO] [stdout]   --> src/main.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn recieve() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.69s
[INFO] running `Command { std: "docker" "inspect" "e4d2ee044896f07ee576d7c7ba01cc0f1f7c0884b6361d47899c3273834ce1ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4d2ee044896f07ee576d7c7ba01cc0f1f7c0884b6361d47899c3273834ce1ef", kill_on_drop: false }`
[INFO] [stdout] e4d2ee044896f07ee576d7c7ba01cc0f1f7c0884b6361d47899c3273834ce1ef