[INFO] cloning repository https://github.com/NickChubb/ReversiMCTS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NickChubb/ReversiMCTS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNickChubb%2FReversiMCTS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNickChubb%2FReversiMCTS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21ab552ec6c6d39d153575de15e6f6a8f12336da
[INFO] checking NickChubb/ReversiMCTS against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNickChubb%2FReversiMCTS" "/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/NickChubb/ReversiMCTS on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NickChubb/ReversiMCTS
[INFO] finished tweaking git repo https://github.com/NickChubb/ReversiMCTS
[INFO] tweaked toml for git repo https://github.com/NickChubb/ReversiMCTS written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/NickChubb/ReversiMCTS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "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] 51c87211890710b4f759ae365b2a6721be1aedad9ff985dbcf37d5e6a3f5cd4a
[INFO] running `Command { std: "docker" "start" "-a" "51c87211890710b4f759ae365b2a6721be1aedad9ff985dbcf37d5e6a3f5cd4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51c87211890710b4f759ae365b2a6721be1aedad9ff985dbcf37d5e6a3f5cd4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c87211890710b4f759ae365b2a6721be1aedad9ff985dbcf37d5e6a3f5cd4a", kill_on_drop: false }`
[INFO] [stdout] 51c87211890710b4f759ae365b2a6721be1aedad9ff985dbcf37d5e6a3f5cd4a
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "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] 58cc3c4eead794794a938b694e6731a2664b639a569316c97c242a883cbd41d3
[INFO] running `Command { std: "docker" "start" "-a" "58cc3c4eead794794a938b694e6731a2664b639a569316c97c242a883cbd41d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking reversi_mcts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this file contains an unclosed delimiter
[INFO] [stdout]    --> src/main.rs:177:2
[INFO] [stdout]     |
[INFO] [stdout] 87  | fn convert_2d(s: &str) -> u8 {
[INFO] [stdout]     |                              - unclosed delimiter
[INFO] [stdout] ...
[INFO] [stdout] 177 | }
[INFO] [stdout]     |  ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0585]: found a documentation comment that doesn't document anything
[INFO] [stdout]   --> src/main.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | / /**
[INFO] [stdout] 82 | |  * Convert 2d string index to vector index
[INFO] [stdout] 83 | |  * @params:     s: &str - len 2 string of char A-H followed by int 1-8
[INFO] [stdout] 84 | |  * @returns:    u8 position in 1d Vec
[INFO] [stdout] 85 | |  */
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout]    = help: doc comments must come before what they document, maybe a comment was intended with `//`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0585`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `reversi_mcts`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this file contains an unclosed delimiter
[INFO] [stdout]    --> src/main.rs:177:2
[INFO] [stdout]     |
[INFO] [stdout] 87  | fn convert_2d(s: &str) -> u8 {
[INFO] [stdout]     |                              - unclosed delimiter
[INFO] [stdout] ...
[INFO] [stdout] 177 | }
[INFO] [stdout]     |  ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0585]: found a documentation comment that doesn't document anything
[INFO] [stdout]   --> src/main.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | / /**
[INFO] [stdout] 82 | |  * Convert 2d string index to vector index
[INFO] [stdout] 83 | |  * @params:     s: &str - len 2 string of char A-H followed by int 1-8
[INFO] [stdout] 84 | |  * @returns:    u8 position in 1d Vec
[INFO] [stdout] 85 | |  */
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout]    = help: doc comments must come before what they document, maybe a comment was intended with `//`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0585`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "58cc3c4eead794794a938b694e6731a2664b639a569316c97c242a883cbd41d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58cc3c4eead794794a938b694e6731a2664b639a569316c97c242a883cbd41d3", kill_on_drop: false }`
[INFO] [stdout] 58cc3c4eead794794a938b694e6731a2664b639a569316c97c242a883cbd41d3