[INFO] cloning repository https://github.com/komkomh/reversi_client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/komkomh/reversi_client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkomkomh%2Freversi_client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkomkomh%2Freversi_client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5795306a11a4a895467042922221d91d109b54e
[INFO] checking komkomh/reversi_client against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkomkomh%2Freversi_client" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/komkomh/reversi_client on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/komkomh/reversi_client
[INFO] finished tweaking git repo https://github.com/komkomh/reversi_client
[INFO] tweaked toml for git repo https://github.com/komkomh/reversi_client written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/komkomh/reversi_client already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple_logger v1.0.1
[INFO] [stderr]   Downloaded lambda_runtime_client v0.1.0
[INFO] [stderr]   Downloaded lambda_runtime v0.1.0
[INFO] [stderr]   Downloaded syn v0.15.27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 465386262c571d10c2ba4ff6ea86a43141719b30c8f04f448d204794d961a7a7
[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" "465386262c571d10c2ba4ff6ea86a43141719b30c8f04f448d204794d961a7a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "465386262c571d10c2ba4ff6ea86a43141719b30c8f04f448d204794d961a7a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "465386262c571d10c2ba4ff6ea86a43141719b30c8f04f448d204794d961a7a7", kill_on_drop: false }`
[INFO] [stdout] 465386262c571d10c2ba4ff6ea86a43141719b30c8f04f448d204794d961a7a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 81110ccd4ed01a50e28115101c4e7ba32287cc23c90eced632dbb7d2ccc5f57d
[INFO] running `Command { std: "docker" "start" "-a" "81110ccd4ed01a50e28115101c4e7ba32287cc23c90eced632dbb7d2ccc5f57d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling cc v1.0.30
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking string v0.1.3
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking tokio-executor v0.1.6
[INFO] [stderr]     Checking tokio-sync v0.1.3
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.16
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking tokio-current-thread v0.1.5
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-threadpool v0.1.12
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking simple_logger v1.0.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio v0.1.16
[INFO] [stderr]     Checking h2 v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking hyper v0.12.25
[INFO] [stderr]     Checking lambda_runtime_client v0.1.0
[INFO] [stderr]     Checking lambda_runtime v0.1.0
[INFO] [stderr]     Checking reversi_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `stone`
[INFO] [stdout]    --> src/main.rs:115:18
[INFO] [stdout]     |
[INFO] [stdout] 115 |         for (x, &stone) in array.iter().enumerate() {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_stone`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stone`
[INFO] [stdout]    --> src/main.rs:115:18
[INFO] [stdout]     |
[INFO] [stdout] 115 |         for (x, &stone) in array.iter().enumerate() {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_stone`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `input_position`
[INFO] [stdout]   --> src/main.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn input_position(ban: Ban) -> Option<(usize, usize)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `show_ban`
[INFO] [stdout]    --> src/main.rs:124:4
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn show_ban(ban: Ban) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_string`
[INFO] [stdout]    --> src/main.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn to_string(&self) -> &'static str {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `input_position`
[INFO] [stdout]   --> src/main.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn input_position(ban: Ban) -> Option<(usize, usize)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `show_ban`
[INFO] [stdout]    --> src/main.rs:124:4
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn show_ban(ban: Ban) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_string`
[INFO] [stdout]    --> src/main.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn to_string(&self) -> &'static str {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.36s
[INFO] running `Command { std: "docker" "inspect" "81110ccd4ed01a50e28115101c4e7ba32287cc23c90eced632dbb7d2ccc5f57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81110ccd4ed01a50e28115101c4e7ba32287cc23c90eced632dbb7d2ccc5f57d", kill_on_drop: false }`
[INFO] [stdout] 81110ccd4ed01a50e28115101c4e7ba32287cc23c90eced632dbb7d2ccc5f57d