[INFO] updating cached repository https://github.com/wormtql/hex-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 31b9eb3719077425c536d3932120efbe7c374e5f
[INFO] testing wormtql/hex-rust against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwormtql%2Fhex-rust" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wormtql/hex-rust on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/wormtql/hex-rust
[INFO] finished tweaking git repo https://github.com/wormtql/hex-rust
[INFO] tweaked toml for git repo https://github.com/wormtql/hex-rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/wormtql/hex-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e53193991e798c114c2e48d4aaf9390a6c0e8d6943a778a4f3973ec3b86c477f
[INFO] running `"docker" "start" "-a" "e53193991e798c114c2e48d4aaf9390a6c0e8d6943a778a4f3973ec3b86c477f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling hex-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Solver`
[INFO] [stderr]  --> src/solver/mcts_solver.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::{Solver};
[INFO] [stderr]   |             ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]  --> src/solver/mcts_solver.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Node {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MCTSSolver`
[INFO] [stderr]  --> src/solver/mcts_solver.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct MCTSSolver {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]  --> src/common.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     x: i32,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]  --> src/common.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     y: i32,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.79s
[INFO] running `"docker" "inspect" "e53193991e798c114c2e48d4aaf9390a6c0e8d6943a778a4f3973ec3b86c477f"`
[INFO] running `"docker" "rm" "-f" "e53193991e798c114c2e48d4aaf9390a6c0e8d6943a778a4f3973ec3b86c477f"`
[INFO] [stdout] e53193991e798c114c2e48d4aaf9390a6c0e8d6943a778a4f3973ec3b86c477f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7bf1e35dd176181f77b08bcca787c17f51f327ea28d2f78d02043de13863c463
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7bf1e35dd176181f77b08bcca787c17f51f327ea28d2f78d02043de13863c463"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling hex-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Solver`
[INFO] [stderr]  --> src/solver/mcts_solver.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::{Solver};
[INFO] [stderr]   |             ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]  --> src/solver/mcts_solver.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Node {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MCTSSolver`
[INFO] [stderr]  --> src/solver/mcts_solver.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct MCTSSolver {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]  --> src/common.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     x: i32,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]  --> src/common.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     y: i32,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `"docker" "inspect" "7bf1e35dd176181f77b08bcca787c17f51f327ea28d2f78d02043de13863c463"`
[INFO] running `"docker" "rm" "-f" "7bf1e35dd176181f77b08bcca787c17f51f327ea28d2f78d02043de13863c463"`
[INFO] [stdout] 7bf1e35dd176181f77b08bcca787c17f51f327ea28d2f78d02043de13863c463
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 91f7e75d81cd56c5f2f32f267652b25f4332386358cd3e0d244ede32532e31e8
[INFO] running `"docker" "start" "-a" "91f7e75d81cd56c5f2f32f267652b25f4332386358cd3e0d244ede32532e31e8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `Solver`
[INFO] [stderr]  --> src/solver/mcts_solver.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::{Solver};
[INFO] [stderr]   |             ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]  --> src/solver/mcts_solver.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Node {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MCTSSolver`
[INFO] [stderr]  --> src/solver/mcts_solver.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct MCTSSolver {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]  --> src/common.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     x: i32,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]  --> src/common.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     y: i32,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hex_rust-644a85d304961d3c
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test board::test_winner ... ok
[INFO] [stdout] test board::test_color ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "91f7e75d81cd56c5f2f32f267652b25f4332386358cd3e0d244ede32532e31e8"`
[INFO] running `"docker" "rm" "-f" "91f7e75d81cd56c5f2f32f267652b25f4332386358cd3e0d244ede32532e31e8"`
[INFO] [stdout] 91f7e75d81cd56c5f2f32f267652b25f4332386358cd3e0d244ede32532e31e8