[INFO] cloning repository https://github.com/sethmarg/Go-Engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sethmarg/Go-Engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsethmarg%2FGo-Engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsethmarg%2FGo-Engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 518bbc682e7a6d99c7e8e978108f234faf98d348
[INFO] checking sethmarg/Go-Engine against master#fce0e74720d199eb7839fdb51af35ac5226da178 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsethmarg%2FGo-Engine" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sethmarg/Go-Engine
[INFO] finished tweaking git repo https://github.com/sethmarg/Go-Engine
[INFO] tweaked toml for git repo https://github.com/sethmarg/Go-Engine written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sethmarg/Go-Engine on toolchain fce0e74720d199eb7839fdb51af35ac5226da178
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sethmarg/Go-Engine 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" "+fce0e74720d199eb7839fdb51af35ac5226da178" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thunderdome v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2419c0730dbfbc1e31fc4e8474008deb602f48826dd910aa71f7d1b517a061be
[INFO] running `Command { std: "docker" "start" "-a" "2419c0730dbfbc1e31fc4e8474008deb602f48826dd910aa71f7d1b517a061be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2419c0730dbfbc1e31fc4e8474008deb602f48826dd910aa71f7d1b517a061be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2419c0730dbfbc1e31fc4e8474008deb602f48826dd910aa71f7d1b517a061be", kill_on_drop: false }`
[INFO] [stdout] 2419c0730dbfbc1e31fc4e8474008deb602f48826dd910aa71f7d1b517a061be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e21d6295d97e01a998126b17ac060669f623dcd5c51ce4928b7474014223179
[INFO] running `Command { std: "docker" "start" "-a" "9e21d6295d97e01a998126b17ac060669f623dcd5c51ce4928b7474014223179", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking strum v0.27.2
[INFO] [stderr]     Checking thunderdome v0.6.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]     Checking Go_Engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `PROTOCOL_VERSION` should have an upper camel case name
[INFO] [stdout]   --> src/gtp.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     PROTOCOL_VERSION,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ProtocolVersion`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `KNOWN_COMMAND` should have an upper camel case name
[INFO] [stdout]   --> src/gtp.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     KNOWN_COMMAND,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `KnownCommand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LIST_COMMANDS` should have an upper camel case name
[INFO] [stdout]   --> src/gtp.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     LIST_COMMANDS,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ListCommands`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CLEAR_BOARD` should have an upper camel case name
[INFO] [stdout]   --> src/gtp.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     CLEAR_BOARD,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `ClearBoard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ColumnIdentifier::*`
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     use ColumnIdentifier::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PROTOCOL_VERSION` should have an upper camel case name
[INFO] [stdout]   --> src/gtp.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     PROTOCOL_VERSION,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ProtocolVersion`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `KNOWN_COMMAND` should have an upper camel case name
[INFO] [stdout]   --> src/gtp.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     KNOWN_COMMAND,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `KnownCommand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LIST_COMMANDS` should have an upper camel case name
[INFO] [stdout]   --> src/gtp.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     LIST_COMMANDS,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ListCommands`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CLEAR_BOARD` should have an upper camel case name
[INFO] [stdout]   --> src/gtp.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     CLEAR_BOARD,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `ClearBoard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ColumnIdentifier::*`
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     use ColumnIdentifier::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iter`
[INFO] [stdout]    --> src/engine.rs:351:9
[INFO] [stdout]     |
[INFO] [stdout] 351 |     for iter in 0..iterations {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut b: Board = Board::new(BoardSize::NINETEEN);
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iter`
[INFO] [stdout]    --> src/engine.rs:351:9
[INFO] [stdout]     |
[INFO] [stdout] 351 |     for iter in 0..iterations {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DEBUG` is never constructed
[INFO] [stdout]   --> src/gtp.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | enum GtpResponse {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 25 |     DEBUG(String, String), // response to protocol, debug message
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `score` is never read
[INFO] [stdout]   --> src/engine.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct MCTSNode {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     score: f64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut b: Board = Board::new(BoardSize::NINETEEN);
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DEBUG` is never constructed
[INFO] [stdout]   --> src/gtp.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | enum GtpResponse {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 25 |     DEBUG(String, String), // response to protocol, debug message
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `score` is never read
[INFO] [stdout]   --> src/engine.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct MCTSNode {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     score: f64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.23s
[INFO] running `Command { std: "docker" "inspect" "9e21d6295d97e01a998126b17ac060669f623dcd5c51ce4928b7474014223179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e21d6295d97e01a998126b17ac060669f623dcd5c51ce4928b7474014223179", kill_on_drop: false }`
[INFO] [stdout] 9e21d6295d97e01a998126b17ac060669f623dcd5c51ce4928b7474014223179
