[INFO] cloning repository https://github.com/BenInTheBox/Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BenInTheBox/Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenInTheBox%2FRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenInTheBox%2FRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1bc3691cdf8bebb1bbf73b4e92f89d387fb1f172
[INFO] testing BenInTheBox/Rust against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenInTheBox%2FRust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BenInTheBox/Rust on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BenInTheBox/Rust
[INFO] finished tweaking git repo https://github.com/BenInTheBox/Rust
[INFO] tweaked toml for git repo https://github.com/BenInTheBox/Rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/BenInTheBox/Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a541afc4bfd4d1613fce53f2fc8c9af76252b6edfbf3e81bdfbb9aaab86581f2
[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" "a541afc4bfd4d1613fce53f2fc8c9af76252b6edfbf3e81bdfbb9aaab86581f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a541afc4bfd4d1613fce53f2fc8c9af76252b6edfbf3e81bdfbb9aaab86581f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a541afc4bfd4d1613fce53f2fc8c9af76252b6edfbf3e81bdfbb9aaab86581f2", kill_on_drop: false }`
[INFO] [stdout] a541afc4bfd4d1613fce53f2fc8c9af76252b6edfbf3e81bdfbb9aaab86581f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1349c4e3819c2647a65e004e5d0f862389270f6d8cc642da2ff15e6bf344e4cb
[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" "1349c4e3819c2647a65e004e5d0f862389270f6d8cc642da2ff15e6bf344e4cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/tictactoe.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     for i in 0..2 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]    --> src/tictactoe.rs:122:30
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn check_grid(grid: &String, p1: &Player, p2: &Player) -> bool {
[INFO] [stdout]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]    --> src/tictactoe.rs:122:43
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn check_grid(grid: &String, p1: &Player, p2: &Player) -> bool {
[INFO] [stdout]     |                                           ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "1349c4e3819c2647a65e004e5d0f862389270f6d8cc642da2ff15e6bf344e4cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1349c4e3819c2647a65e004e5d0f862389270f6d8cc642da2ff15e6bf344e4cb", kill_on_drop: false }`
[INFO] [stdout] 1349c4e3819c2647a65e004e5d0f862389270f6d8cc642da2ff15e6bf344e4cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aca1320f403561361494b03ce9adc367f2cdcbe0aba02ae1a73f23f0fc451fe4
[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" "aca1320f403561361494b03ce9adc367f2cdcbe0aba02ae1a73f23f0fc451fe4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/tictactoe.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     for i in 0..2 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]    --> src/tictactoe.rs:122:30
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn check_grid(grid: &String, p1: &Player, p2: &Player) -> bool {
[INFO] [stdout]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]    --> src/tictactoe.rs:122:43
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn check_grid(grid: &String, p1: &Player, p2: &Player) -> bool {
[INFO] [stdout]     |                                           ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "aca1320f403561361494b03ce9adc367f2cdcbe0aba02ae1a73f23f0fc451fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aca1320f403561361494b03ce9adc367f2cdcbe0aba02ae1a73f23f0fc451fe4", kill_on_drop: false }`
[INFO] [stdout] aca1320f403561361494b03ce9adc367f2cdcbe0aba02ae1a73f23f0fc451fe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c2f70e13578cd35c595c8a2a3e12b644965f503fda0440cee281b476a9754ee1
[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" "c2f70e13578cd35c595c8a2a3e12b644965f503fda0440cee281b476a9754ee1", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/tictactoe.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |     for i in 0..2 {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p1`
[INFO] [stderr]    --> src/tictactoe.rs:122:30
[INFO] [stderr]     |
[INFO] [stderr] 122 | fn check_grid(grid: &String, p1: &Player, p2: &Player) -> bool {
[INFO] [stderr]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p2`
[INFO] [stderr]    --> src/tictactoe.rs:122:43
[INFO] [stderr]     |
[INFO] [stderr] 122 | fn check_grid(grid: &String, p1: &Player, p2: &Player) -> bool {
[INFO] [stderr]     |                                           ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust-d80574c3f808f946
[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" "c2f70e13578cd35c595c8a2a3e12b644965f503fda0440cee281b476a9754ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2f70e13578cd35c595c8a2a3e12b644965f503fda0440cee281b476a9754ee1", kill_on_drop: false }`
[INFO] [stdout] c2f70e13578cd35c595c8a2a3e12b644965f503fda0440cee281b476a9754ee1