[INFO] cloning repository https://github.com/IEavan/Connect4-Monte-Carlo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IEavan/Connect4-Monte-Carlo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIEavan%2FConnect4-Monte-Carlo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIEavan%2FConnect4-Monte-Carlo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e120a2b3992e4f68973aa338398c220e7a0bde8
[INFO] testing IEavan/Connect4-Monte-Carlo against master#1ddedbaa5919b7b3e70d984660e21e844c615c97 for pr-128400-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIEavan%2FConnect4-Monte-Carlo" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IEavan/Connect4-Monte-Carlo on toolchain 1ddedbaa5919b7b3e70d984660e21e844c615c97
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/IEavan/Connect4-Monte-Carlo
[INFO] finished tweaking git repo https://github.com/IEavan/Connect4-Monte-Carlo
[INFO] tweaked toml for git repo https://github.com/IEavan/Connect4-Monte-Carlo written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/IEavan/Connect4-Monte-Carlo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rayon-core v1.4.1
[INFO] [stderr]   Downloaded crossbeam-deque v0.2.0
[INFO] [stderr]   Downloaded version_check v0.1.4
[INFO] [stderr]   Downloaded cfg-if v0.1.5
[INFO] [stderr]   Downloaded memoffset v0.2.1
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.3.3
[INFO] [stderr]   Downloaded nodrop v0.1.12
[INFO] [stderr]   Downloaded crossbeam-utils v0.2.2
[INFO] [stderr]   Downloaded fuchsia-zircon v0.3.3
[INFO] [stderr]   Downloaded cloudabi v0.0.3
[INFO] [stderr]   Downloaded rand_core v0.2.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.3.1
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded rayon v1.0.2
[INFO] [stderr]   Downloaded either v1.5.0
[INFO] [stderr]   Downloaded arrayvec v0.4.7
[INFO] [stderr]   Downloaded rand v0.5.5
[INFO] [stderr]   Downloaded scopeguard v0.3.3
[INFO] [stderr]   Downloaded num_cpus v1.8.0
[INFO] [stderr]   Downloaded lazy_static v1.1.0
[INFO] [stderr]   Downloaded libc v0.2.43
[INFO] [stderr]   Downloaded winapi v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf598a8dcd288a3cf1ba0047f5e62374bc149a766c1ea6e1dca4baa12f6b0ed5
[INFO] running `Command { std: "docker" "start" "-a" "bf598a8dcd288a3cf1ba0047f5e62374bc149a766c1ea6e1dca4baa12f6b0ed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf598a8dcd288a3cf1ba0047f5e62374bc149a766c1ea6e1dca4baa12f6b0ed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf598a8dcd288a3cf1ba0047f5e62374bc149a766c1ea6e1dca4baa12f6b0ed5", kill_on_drop: false }`
[INFO] [stdout] bf598a8dcd288a3cf1ba0047f5e62374bc149a766c1ea6e1dca4baa12f6b0ed5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0d72e606ab5dae87f265f32af31290c0cea312148a7b59bb9d1779e9b9f8e15
[INFO] running `Command { std: "docker" "start" "-a" "a0d72e606ab5dae87f265f32af31290c0cea312148a7b59bb9d1779e9b9f8e15", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling connect4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         try!(writeln!(f, "{:?}'s Turn", self.turn));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 179 |             try!(write!(f, "["));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |             try!(writeln!(f, " ]"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:188:17
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 try!(write!(f, "{}", cell_char));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |         try!(writeln!(f, "{:?}'s Turn", self.turn));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |             try!(write!(f, "["));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |             try!(writeln!(f, " ]"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |                 try!(write!(f, "{}", cell_char));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         try!(writeln!(f, "{:?}'s Turn                {:?}'s Turn",
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:245:13
[INFO] [stdout]     |
[INFO] [stdout] 245 |             try!(write!(f, "["));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |             try!(write!(f, " ]"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:264:13
[INFO] [stdout]     |
[INFO] [stdout] 264 |             try!(write!(f, "["));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:275:13
[INFO] [stdout]     |
[INFO] [stdout] 275 |             try!(writeln!(f, " ]"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:254:17
[INFO] [stdout]     |
[INFO] [stdout] 254 |                 try!(write!(f, "{}", cell_char));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:259:17
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 try!(write!(f, " --> "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:261:17
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 try!(write!(f, "     "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:273:17
[INFO] [stdout]     |
[INFO] [stdout] 273 |                 try!(write!(f, "{}", cell_char));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "a0d72e606ab5dae87f265f32af31290c0cea312148a7b59bb9d1779e9b9f8e15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0d72e606ab5dae87f265f32af31290c0cea312148a7b59bb9d1779e9b9f8e15", kill_on_drop: false }`
[INFO] [stdout] a0d72e606ab5dae87f265f32af31290c0cea312148a7b59bb9d1779e9b9f8e15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 758336f35ccbe2bf0602342551ff2d16622d2d0d50dbcb07a6a68307effc6829
[INFO] running `Command { std: "docker" "start" "-a" "758336f35ccbe2bf0602342551ff2d16622d2d0d50dbcb07a6a68307effc6829", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling connect4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         try!(writeln!(f, "{:?}'s Turn", self.turn));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 179 |             try!(write!(f, "["));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |             try!(writeln!(f, " ]"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:188:17
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 try!(write!(f, "{}", cell_char));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |         try!(writeln!(f, "{:?}'s Turn", self.turn));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |             try!(write!(f, "["));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |             try!(writeln!(f, " ]"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |                 try!(write!(f, "{}", cell_char));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         try!(writeln!(f, "{:?}'s Turn                {:?}'s Turn",
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:245:13
[INFO] [stdout]     |
[INFO] [stdout] 245 |             try!(write!(f, "["));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |             try!(write!(f, " ]"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:264:13
[INFO] [stdout]     |
[INFO] [stdout] 264 |             try!(write!(f, "["));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:275:13
[INFO] [stdout]     |
[INFO] [stdout] 275 |             try!(writeln!(f, " ]"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:254:17
[INFO] [stdout]     |
[INFO] [stdout] 254 |                 try!(write!(f, "{}", cell_char));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:259:17
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 try!(write!(f, " --> "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:261:17
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 try!(write!(f, "     "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:273:17
[INFO] [stdout]     |
[INFO] [stdout] 273 |                 try!(write!(f, "{}", cell_char));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "758336f35ccbe2bf0602342551ff2d16622d2d0d50dbcb07a6a68307effc6829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "758336f35ccbe2bf0602342551ff2d16622d2d0d50dbcb07a6a68307effc6829", kill_on_drop: false }`
[INFO] [stdout] 758336f35ccbe2bf0602342551ff2d16622d2d0d50dbcb07a6a68307effc6829
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7d393ecb8bc1f9b604bfc80a42f8099b81033ba565260d58d7ae61e72a2d6df2
[INFO] running `Command { std: "docker" "start" "-a" "7d393ecb8bc1f9b604bfc80a42f8099b81033ba565260d58d7ae61e72a2d6df2", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:177:9
[INFO] [stderr]     |
[INFO] [stderr] 177 |         try!(writeln!(f, "{:?}'s Turn", self.turn));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:179:13
[INFO] [stderr]     |
[INFO] [stderr] 179 |             try!(write!(f, "["));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:190:13
[INFO] [stderr]     |
[INFO] [stderr] 190 |             try!(writeln!(f, " ]"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:188:17
[INFO] [stderr]     |
[INFO] [stderr] 188 |                 try!(write!(f, "{}", cell_char));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:198:9
[INFO] [stderr]     |
[INFO] [stderr] 198 |         try!(writeln!(f, "{:?}'s Turn", self.turn));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:200:13
[INFO] [stderr]     |
[INFO] [stderr] 200 |             try!(write!(f, "["));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:211:13
[INFO] [stderr]     |
[INFO] [stderr] 211 |             try!(writeln!(f, " ]"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:209:17
[INFO] [stderr]     |
[INFO] [stderr] 209 |                 try!(write!(f, "{}", cell_char));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:239:9
[INFO] [stderr]     |
[INFO] [stderr] 239 |         try!(writeln!(f, "{:?}'s Turn                {:?}'s Turn",
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:245:13
[INFO] [stderr]     |
[INFO] [stderr] 245 |             try!(write!(f, "["));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:256:13
[INFO] [stderr]     |
[INFO] [stderr] 256 |             try!(write!(f, " ]"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:264:13
[INFO] [stderr]     |
[INFO] [stderr] 264 |             try!(write!(f, "["));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:275:13
[INFO] [stderr]     |
[INFO] [stderr] 275 |             try!(writeln!(f, " ]"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:254:17
[INFO] [stderr]     |
[INFO] [stderr] 254 |                 try!(write!(f, "{}", cell_char));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:259:17
[INFO] [stderr]     |
[INFO] [stderr] 259 |                 try!(write!(f, " --> "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:261:17
[INFO] [stderr]     |
[INFO] [stderr] 261 |                 try!(write!(f, "     "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:273:17
[INFO] [stderr]     |
[INFO] [stderr] 273 |                 try!(write!(f, "{}", cell_char));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `connect4` (bin "connect4" test) generated 17 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/connect4-5953107cdfdb446f)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test grid::test::test_no_moves_after_win ... ok
[INFO] [stdout] test grid::test::test_detect_rising_win ... ok
[INFO] [stdout] test grid::test::test_no_early_winner ... ok
[INFO] [stdout] test grid::test::test_detect_column_win ... ok
[INFO] [stdout] test grid::test::test_detect_row_win ... ok
[INFO] [stdout] test grid::test::test_cannot_insert_after_win ... ok
[INFO] [stdout] test mcts::tests::test_win_is_best_move ... ok
[INFO] [stdout] test mcts::tests::test_not_lose_is_best_move ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7d393ecb8bc1f9b604bfc80a42f8099b81033ba565260d58d7ae61e72a2d6df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d393ecb8bc1f9b604bfc80a42f8099b81033ba565260d58d7ae61e72a2d6df2", kill_on_drop: false }`
[INFO] [stdout] 7d393ecb8bc1f9b604bfc80a42f8099b81033ba565260d58d7ae61e72a2d6df2
[INFO] testing IEavan/Connect4-Monte-Carlo against try#33f1d8bb92813a1bfc23c093c9f443ab09290307 for pr-128400-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIEavan%2FConnect4-Monte-Carlo" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IEavan/Connect4-Monte-Carlo on toolchain 33f1d8bb92813a1bfc23c093c9f443ab09290307
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/IEavan/Connect4-Monte-Carlo
[INFO] finished tweaking git repo https://github.com/IEavan/Connect4-Monte-Carlo
[INFO] tweaked toml for git repo https://github.com/IEavan/Connect4-Monte-Carlo written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/IEavan/Connect4-Monte-Carlo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f58b1d54fdad9fa202e3b4e60760ecfe3ca68aee8e66fdad102dbd6e97534bb5
[INFO] running `Command { std: "docker" "start" "-a" "f58b1d54fdad9fa202e3b4e60760ecfe3ca68aee8e66fdad102dbd6e97534bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f58b1d54fdad9fa202e3b4e60760ecfe3ca68aee8e66fdad102dbd6e97534bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f58b1d54fdad9fa202e3b4e60760ecfe3ca68aee8e66fdad102dbd6e97534bb5", kill_on_drop: false }`
[INFO] [stdout] f58b1d54fdad9fa202e3b4e60760ecfe3ca68aee8e66fdad102dbd6e97534bb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2509f060d96c62a650a293776879e240e05919aa763f87a730be3d51a235c813
[INFO] running `Command { std: "docker" "start" "-a" "2509f060d96c62a650a293776879e240e05919aa763f87a730be3d51a235c813", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling connect4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         try!(writeln!(f, "{:?}'s Turn", self.turn));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 179 |             try!(write!(f, "["));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |             try!(writeln!(f, " ]"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:188:17
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 try!(write!(f, "{}", cell_char));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |         try!(writeln!(f, "{:?}'s Turn", self.turn));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |             try!(write!(f, "["));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |             try!(writeln!(f, " ]"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |                 try!(write!(f, "{}", cell_char));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         try!(writeln!(f, "{:?}'s Turn                {:?}'s Turn",
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:245:13
[INFO] [stdout]     |
[INFO] [stdout] 245 |             try!(write!(f, "["));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |             try!(write!(f, " ]"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:264:13
[INFO] [stdout]     |
[INFO] [stdout] 264 |             try!(write!(f, "["));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:275:13
[INFO] [stdout]     |
[INFO] [stdout] 275 |             try!(writeln!(f, " ]"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:254:17
[INFO] [stdout]     |
[INFO] [stdout] 254 |                 try!(write!(f, "{}", cell_char));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:259:17
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 try!(write!(f, " --> "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:261:17
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 try!(write!(f, "     "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:273:17
[INFO] [stdout]     |
[INFO] [stdout] 273 |                 try!(write!(f, "{}", cell_char));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.48s
[INFO] running `Command { std: "docker" "inspect" "2509f060d96c62a650a293776879e240e05919aa763f87a730be3d51a235c813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2509f060d96c62a650a293776879e240e05919aa763f87a730be3d51a235c813", kill_on_drop: false }`
[INFO] [stdout] 2509f060d96c62a650a293776879e240e05919aa763f87a730be3d51a235c813
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eee887233bfed9960bd470e24d4c995d9b8b193ba493c362791b6c7b1534ea73
[INFO] running `Command { std: "docker" "start" "-a" "eee887233bfed9960bd470e24d4c995d9b8b193ba493c362791b6c7b1534ea73", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling connect4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         try!(writeln!(f, "{:?}'s Turn", self.turn));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 179 |             try!(write!(f, "["));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |             try!(writeln!(f, " ]"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:188:17
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 try!(write!(f, "{}", cell_char));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |         try!(writeln!(f, "{:?}'s Turn", self.turn));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |             try!(write!(f, "["));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |             try!(writeln!(f, " ]"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |                 try!(write!(f, "{}", cell_char));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         try!(writeln!(f, "{:?}'s Turn                {:?}'s Turn",
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:245:13
[INFO] [stdout]     |
[INFO] [stdout] 245 |             try!(write!(f, "["));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |             try!(write!(f, " ]"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:264:13
[INFO] [stdout]     |
[INFO] [stdout] 264 |             try!(write!(f, "["));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:275:13
[INFO] [stdout]     |
[INFO] [stdout] 275 |             try!(writeln!(f, " ]"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:254:17
[INFO] [stdout]     |
[INFO] [stdout] 254 |                 try!(write!(f, "{}", cell_char));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:259:17
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 try!(write!(f, " --> "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:261:17
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 try!(write!(f, "     "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/grid.rs:273:17
[INFO] [stdout]     |
[INFO] [stdout] 273 |                 try!(write!(f, "{}", cell_char));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "eee887233bfed9960bd470e24d4c995d9b8b193ba493c362791b6c7b1534ea73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eee887233bfed9960bd470e24d4c995d9b8b193ba493c362791b6c7b1534ea73", kill_on_drop: false }`
[INFO] [stdout] eee887233bfed9960bd470e24d4c995d9b8b193ba493c362791b6c7b1534ea73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 017504fdb32e26f502afabf76535faef65fdadcd082645ed36509952f33ed624
[INFO] running `Command { std: "docker" "start" "-a" "017504fdb32e26f502afabf76535faef65fdadcd082645ed36509952f33ed624", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:177:9
[INFO] [stderr]     |
[INFO] [stderr] 177 |         try!(writeln!(f, "{:?}'s Turn", self.turn));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:179:13
[INFO] [stderr]     |
[INFO] [stderr] 179 |             try!(write!(f, "["));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:190:13
[INFO] [stderr]     |
[INFO] [stderr] 190 |             try!(writeln!(f, " ]"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:188:17
[INFO] [stderr]     |
[INFO] [stderr] 188 |                 try!(write!(f, "{}", cell_char));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:198:9
[INFO] [stderr]     |
[INFO] [stderr] 198 |         try!(writeln!(f, "{:?}'s Turn", self.turn));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:200:13
[INFO] [stderr]     |
[INFO] [stderr] 200 |             try!(write!(f, "["));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:211:13
[INFO] [stderr]     |
[INFO] [stderr] 211 |             try!(writeln!(f, " ]"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:209:17
[INFO] [stderr]     |
[INFO] [stderr] 209 |                 try!(write!(f, "{}", cell_char));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:239:9
[INFO] [stderr]     |
[INFO] [stderr] 239 |         try!(writeln!(f, "{:?}'s Turn                {:?}'s Turn",
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:245:13
[INFO] [stderr]     |
[INFO] [stderr] 245 |             try!(write!(f, "["));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:256:13
[INFO] [stderr]     |
[INFO] [stderr] 256 |             try!(write!(f, " ]"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:264:13
[INFO] [stderr]     |
[INFO] [stderr] 264 |             try!(write!(f, "["));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:275:13
[INFO] [stderr]     |
[INFO] [stderr] 275 |             try!(writeln!(f, " ]"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:254:17
[INFO] [stderr]     |
[INFO] [stderr] 254 |                 try!(write!(f, "{}", cell_char));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:259:17
[INFO] [stderr]     |
[INFO] [stderr] 259 |                 try!(write!(f, " --> "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:261:17
[INFO] [stderr]     |
[INFO] [stderr] 261 |                 try!(write!(f, "     "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/grid.rs:273:17
[INFO] [stderr]     |
[INFO] [stderr] 273 |                 try!(write!(f, "{}", cell_char));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `connect4` (bin "connect4" test) generated 17 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/connect4-5953107cdfdb446f)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test grid::test::test_no_early_winner ... ok
[INFO] [stdout] test grid::test::test_detect_row_win ... ok
[INFO] [stdout] test grid::test::test_cannot_insert_after_win ... ok
[INFO] [stdout] test grid::test::test_detect_column_win ... ok
[INFO] [stdout] test grid::test::test_detect_rising_win ... ok
[INFO] [stdout] test grid::test::test_no_moves_after_win ... ok
[INFO] [stdout] test mcts::tests::test_win_is_best_move ... ok
[INFO] [stdout] test mcts::tests::test_not_lose_is_best_move ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "017504fdb32e26f502afabf76535faef65fdadcd082645ed36509952f33ed624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "017504fdb32e26f502afabf76535faef65fdadcd082645ed36509952f33ed624", kill_on_drop: false }`
[INFO] [stdout] 017504fdb32e26f502afabf76535faef65fdadcd082645ed36509952f33ed624