[INFO] updating cached repository https://github.com/jimmycuadra/connect_four
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] b4e2c3a6feefe1b5e5a84c014fcc8b8fa53dea21
[INFO] testing jimmycuadra/connect_four against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimmycuadra%2Fconnect_four" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jimmycuadra/connect_four on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jimmycuadra/connect_four
[INFO] finished tweaking git repo https://github.com/jimmycuadra/connect_four
[INFO] tweaked toml for git repo https://github.com/jimmycuadra/connect_four written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/jimmycuadra/connect_four already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] c92cce5d8c274a384768a8c9882f4aa7906bdb51f1e240f7477394d556b5f492
[INFO] running `"docker" "start" "-a" "c92cce5d8c274a384768a8c9882f4aa7906bdb51f1e240f7477394d556b5f492"`
[INFO] [stderr]    Compiling connect_four v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/main.rs:133:20
[INFO] [stderr]     |
[INFO] [stderr] 133 |         for col in (0..self.column_count) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/main.rs:163:31
[INFO] [stderr]     |
[INFO] [stderr] 163 |                 for offset in (1..4) {
[INFO] [stderr]     |                               ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/main.rs:194:31
[INFO] [stderr]     |
[INFO] [stderr] 194 |                 for offset in (1..4) {
[INFO] [stderr]     |                               ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.53s
[INFO] running `"docker" "inspect" "c92cce5d8c274a384768a8c9882f4aa7906bdb51f1e240f7477394d556b5f492"`
[INFO] running `"docker" "rm" "-f" "c92cce5d8c274a384768a8c9882f4aa7906bdb51f1e240f7477394d556b5f492"`
[INFO] [stdout] c92cce5d8c274a384768a8c9882f4aa7906bdb51f1e240f7477394d556b5f492
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 53e0e3bb876b1cec2b43a13e182a9101f52ee8ecac6743863b81db0a2b4cb8ee
[INFO] running `"docker" "start" "-a" "53e0e3bb876b1cec2b43a13e182a9101f52ee8ecac6743863b81db0a2b4cb8ee"`
[INFO] [stderr]    Compiling connect_four v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/main.rs:133:20
[INFO] [stderr]     |
[INFO] [stderr] 133 |         for col in (0..self.column_count) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/main.rs:163:31
[INFO] [stderr]     |
[INFO] [stderr] 163 |                 for offset in (1..4) {
[INFO] [stderr]     |                               ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/main.rs:194:31
[INFO] [stderr]     |
[INFO] [stderr] 194 |                 for offset in (1..4) {
[INFO] [stderr]     |                               ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "53e0e3bb876b1cec2b43a13e182a9101f52ee8ecac6743863b81db0a2b4cb8ee"`
[INFO] running `"docker" "rm" "-f" "53e0e3bb876b1cec2b43a13e182a9101f52ee8ecac6743863b81db0a2b4cb8ee"`
[INFO] [stdout] 53e0e3bb876b1cec2b43a13e182a9101f52ee8ecac6743863b81db0a2b4cb8ee
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 796e5836f1f2122157dcc5c3a70abdd2502bd94581775a35c5467b7e20e1f845
[INFO] running `"docker" "start" "-a" "796e5836f1f2122157dcc5c3a70abdd2502bd94581775a35c5467b7e20e1f845"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/connect_four-3cb50ac74021638a
[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" "796e5836f1f2122157dcc5c3a70abdd2502bd94581775a35c5467b7e20e1f845"`
[INFO] running `"docker" "rm" "-f" "796e5836f1f2122157dcc5c3a70abdd2502bd94581775a35c5467b7e20e1f845"`
[INFO] [stdout] 796e5836f1f2122157dcc5c3a70abdd2502bd94581775a35c5467b7e20e1f845