[INFO] cloning repository https://github.com/Reyon62/tenhou_sim_of_Reyon62
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Reyon62/tenhou_sim_of_Reyon62" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReyon62%2Ftenhou_sim_of_Reyon62", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReyon62%2Ftenhou_sim_of_Reyon62'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd3626853de57137d538053526a902a0c2a05d55
[INFO] testing Reyon62/tenhou_sim_of_Reyon62 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReyon62%2Ftenhou_sim_of_Reyon62" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Reyon62/tenhou_sim_of_Reyon62 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Reyon62/tenhou_sim_of_Reyon62
[INFO] finished tweaking git repo https://github.com/Reyon62/tenhou_sim_of_Reyon62
[INFO] tweaked toml for git repo https://github.com/Reyon62/tenhou_sim_of_Reyon62 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Reyon62/tenhou_sim_of_Reyon62 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] f7cad068e8cc6208b18e7feebd2636f3edc6b21976a1d60583ca996237f5e164
[INFO] running `Command { std: "docker" "start" "-a" "f7cad068e8cc6208b18e7feebd2636f3edc6b21976a1d60583ca996237f5e164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7cad068e8cc6208b18e7feebd2636f3edc6b21976a1d60583ca996237f5e164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7cad068e8cc6208b18e7feebd2636f3edc6b21976a1d60583ca996237f5e164", kill_on_drop: false }`
[INFO] [stdout] f7cad068e8cc6208b18e7feebd2636f3edc6b21976a1d60583ca996237f5e164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a8b714838b03f4d61d7a4403c6b6f5873602ce05c9bf37c0865e3f24590e992
[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" "6a8b714838b03f4d61d7a4403c6b6f5873602ce05c9bf37c0865e3f24590e992", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tenhou_sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/main.rs:319:13
[INFO] [stdout]     |
[INFO] [stdout] 319 |         for j in 0..3 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:320:17
[INFO] [stdout]     |
[INFO] [stdout] 320 |             for i in 0..4 {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:323:17
[INFO] [stdout]     |
[INFO] [stdout] 323 |             for i in 0..12 {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:328:13
[INFO] [stdout]     |
[INFO] [stdout] 328 |         for i in 0..2 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/main.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 for j in 0..self.m[i] as usize {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/main.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 for j in 0..self.s[i] as usize {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/main.rs:84:21
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 for j in 0..self.p[i] as usize {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/main.rs:92:21
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 for j in 0..self.w[0] as usize {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/main.rs:95:21
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 for j in 0..self.w[1] as usize {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/main.rs:98:21
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 for j in 0..self.w[2] as usize {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/main.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 for j in 0..self.w[3] as usize {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/main.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |             for j in 0..self.y[0] as usize {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/main.rs:110:21
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 for j in 0..self.y[1] as usize {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/main.rs:113:21
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 for j in 0..self.y[2] as usize {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/main.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn len(&self) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.48s
[INFO] running `Command { std: "docker" "inspect" "6a8b714838b03f4d61d7a4403c6b6f5873602ce05c9bf37c0865e3f24590e992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a8b714838b03f4d61d7a4403c6b6f5873602ce05c9bf37c0865e3f24590e992", kill_on_drop: false }`
[INFO] [stdout] 6a8b714838b03f4d61d7a4403c6b6f5873602ce05c9bf37c0865e3f24590e992
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--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] e376ea1d6f8544b418fb1f706b36920bc19b1e5446a32145159bb31f52ccf565
[INFO] running `Command { std: "docker" "start" "-a" "e376ea1d6f8544b418fb1f706b36920bc19b1e5446a32145159bb31f52ccf565", kill_on_drop: false }`
[INFO] [stderr]    Compiling tenhou_sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/main.rs:319:13
[INFO] [stdout]     |
[INFO] [stdout] 319 |         for j in 0..3 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:320:17
[INFO] [stdout]     |
[INFO] [stdout] 320 |             for i in 0..4 {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:323:17
[INFO] [stdout]     |
[INFO] [stdout] 323 |             for i in 0..12 {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:328:13
[INFO] [stdout]     |
[INFO] [stdout] 328 |         for i in 0..2 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/main.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 for j in 0..self.m[i] as usize {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/main.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 for j in 0..self.s[i] as usize {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/main.rs:84:21
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 for j in 0..self.p[i] as usize {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/main.rs:92:21
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 for j in 0..self.w[0] as usize {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/main.rs:95:21
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 for j in 0..self.w[1] as usize {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/main.rs:98:21
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 for j in 0..self.w[2] as usize {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/main.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 for j in 0..self.w[3] as usize {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/main.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |             for j in 0..self.y[0] as usize {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/main.rs:110:21
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 for j in 0..self.y[1] as usize {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/main.rs:113:21
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 for j in 0..self.y[2] as usize {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/main.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn len(&self) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e376ea1d6f8544b418fb1f706b36920bc19b1e5446a32145159bb31f52ccf565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e376ea1d6f8544b418fb1f706b36920bc19b1e5446a32145159bb31f52ccf565", kill_on_drop: false }`
[INFO] [stdout] e376ea1d6f8544b418fb1f706b36920bc19b1e5446a32145159bb31f52ccf565
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 360927e371a45d35d94210fbf02b90aa2f17b73be0e3d9a32e2c67f552ff02f8
[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" "360927e371a45d35d94210fbf02b90aa2f17b73be0e3d9a32e2c67f552ff02f8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/main.rs:319:13
[INFO] [stderr]     |
[INFO] [stderr] 319 |         for j in 0..3 {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:320:17
[INFO] [stderr]     |
[INFO] [stderr] 320 |             for i in 0..4 {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:323:17
[INFO] [stderr]     |
[INFO] [stderr] 323 |             for i in 0..12 {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:328:13
[INFO] [stderr]     |
[INFO] [stderr] 328 |         for i in 0..2 {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]   --> src/main.rs:66:21
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 for j in 0..self.m[i] as usize {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]   --> src/main.rs:75:21
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 for j in 0..self.s[i] as usize {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]   --> src/main.rs:84:21
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 for j in 0..self.p[i] as usize {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]   --> src/main.rs:92:21
[INFO] [stderr]    |
[INFO] [stderr] 92 |                 for j in 0..self.w[0] as usize {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]   --> src/main.rs:95:21
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 for j in 0..self.w[1] as usize {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]   --> src/main.rs:98:21
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 for j in 0..self.w[2] as usize {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/main.rs:101:21
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 for j in 0..self.w[3] as usize {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/main.rs:107:17
[INFO] [stderr]     |
[INFO] [stderr] 107 |             for j in 0..self.y[0] as usize {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/main.rs:110:21
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 for j in 0..self.y[1] as usize {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/main.rs:113:21
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 for j in 0..self.y[2] as usize {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `len`
[INFO] [stderr]   --> src/main.rs:59:8
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn len(&self) -> usize {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tenhou_sim-0a553876b91048a3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "360927e371a45d35d94210fbf02b90aa2f17b73be0e3d9a32e2c67f552ff02f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "360927e371a45d35d94210fbf02b90aa2f17b73be0e3d9a32e2c67f552ff02f8", kill_on_drop: false }`
[INFO] [stdout] 360927e371a45d35d94210fbf02b90aa2f17b73be0e3d9a32e2c67f552ff02f8