[INFO] updating cached repository https://github.com/Usummon/tic-tac-toe-decision-tree
[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] 5d7992e42956e6d0f1354f56cea8688ab4baff25
[INFO] testing Usummon/tic-tac-toe-decision-tree against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUsummon%2Ftic-tac-toe-decision-tree" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Usummon/tic-tac-toe-decision-tree 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/Usummon/tic-tac-toe-decision-tree
[INFO] finished tweaking git repo https://github.com/Usummon/tic-tac-toe-decision-tree
[INFO] tweaked toml for git repo https://github.com/Usummon/tic-tac-toe-decision-tree written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Usummon/tic-tac-toe-decision-tree 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ba2c221ddc359fc9ed2d598f59d0f3c7321e5c6f2aeb00b8e2c32801b40e8ca7
[INFO] running `"docker" "start" "-a" "ba2c221ddc359fc9ed2d598f59d0f3c7321e5c6f2aeb00b8e2c32801b40e8ca7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling recursive_tic_tac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:192:6
[INFO] [stderr]     |
[INFO] [stderr] 192 |     let mut win_conditions = vec![[player,0,0, player,0,0, player,0,0],
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:201:6
[INFO] [stderr]     |
[INFO] [stderr] 201 |     let mut copy_conditions = vec![[player,0,0, player,0,0, player,0,0],
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "ba2c221ddc359fc9ed2d598f59d0f3c7321e5c6f2aeb00b8e2c32801b40e8ca7"`
[INFO] running `"docker" "rm" "-f" "ba2c221ddc359fc9ed2d598f59d0f3c7321e5c6f2aeb00b8e2c32801b40e8ca7"`
[INFO] [stdout] ba2c221ddc359fc9ed2d598f59d0f3c7321e5c6f2aeb00b8e2c32801b40e8ca7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 0888ddfba88eded8f87f03c5f400df402a5ca2073cd8a2299572e0356a83b83f
[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" "0888ddfba88eded8f87f03c5f400df402a5ca2073cd8a2299572e0356a83b83f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling recursive_tic_tac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:192:6
[INFO] [stderr]     |
[INFO] [stderr] 192 |     let mut win_conditions = vec![[player,0,0, player,0,0, player,0,0],
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:201:6
[INFO] [stderr]     |
[INFO] [stderr] 201 |     let mut copy_conditions = vec![[player,0,0, player,0,0, player,0,0],
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "0888ddfba88eded8f87f03c5f400df402a5ca2073cd8a2299572e0356a83b83f"`
[INFO] running `"docker" "rm" "-f" "0888ddfba88eded8f87f03c5f400df402a5ca2073cd8a2299572e0356a83b83f"`
[INFO] [stdout] 0888ddfba88eded8f87f03c5f400df402a5ca2073cd8a2299572e0356a83b83f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 93c7df0703de25ca88878e1964d688a1decfe952def5e8887c2d502c40c2dbd0
[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" "93c7df0703de25ca88878e1964d688a1decfe952def5e8887c2d502c40c2dbd0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:192:6
[INFO] [stderr]     |
[INFO] [stderr] 192 |     let mut win_conditions = vec![[player,0,0, player,0,0, player,0,0],
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:201:6
[INFO] [stderr]     |
[INFO] [stderr] 201 |     let mut copy_conditions = vec![[player,0,0, player,0,0, player,0,0],
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/recursive_tic_tac-081fed5fcfb7c3f7
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "93c7df0703de25ca88878e1964d688a1decfe952def5e8887c2d502c40c2dbd0"`
[INFO] running `"docker" "rm" "-f" "93c7df0703de25ca88878e1964d688a1decfe952def5e8887c2d502c40c2dbd0"`
[INFO] [stdout] 93c7df0703de25ca88878e1964d688a1decfe952def5e8887c2d502c40c2dbd0