[INFO] cloning repository https://github.com/soakins/noughts_and_crosses
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/soakins/noughts_and_crosses" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoakins%2Fnoughts_and_crosses", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoakins%2Fnoughts_and_crosses'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56b24e3ec05a491de33473c75ea0cd7dd59c6501
[INFO] checking soakins/noughts_and_crosses against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoakins%2Fnoughts_and_crosses" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/soakins/noughts_and_crosses on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/soakins/noughts_and_crosses
[INFO] finished tweaking git repo https://github.com/soakins/noughts_and_crosses
[INFO] tweaked toml for git repo https://github.com/soakins/noughts_and_crosses written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/soakins/noughts_and_crosses already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65c13a190a6f48df067ac6b24b7b51f167e248df36f25d8a96df55233d7268d1
[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" "65c13a190a6f48df067ac6b24b7b51f167e248df36f25d8a96df55233d7268d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65c13a190a6f48df067ac6b24b7b51f167e248df36f25d8a96df55233d7268d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65c13a190a6f48df067ac6b24b7b51f167e248df36f25d8a96df55233d7268d1", kill_on_drop: false }`
[INFO] [stdout] 65c13a190a6f48df067ac6b24b7b51f167e248df36f25d8a96df55233d7268d1
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 545cf591f4af0bce378ba3e8b0b69945b22cf25f190fb2676c180bc4bf22aba5
[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" "545cf591f4af0bce378ba3e8b0b69945b22cf25f190fb2676c180bc4bf22aba5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking noughts_and_crosses v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Top_Left_Bottom_Right` should have an upper camel case name
[INFO] [stdout]  --> src/winning_lines.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Top_Left_Bottom_Right,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TopLeftBottomRight`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Top_Right_Bottom_Left` should have an upper camel case name
[INFO] [stdout]   --> src/winning_lines.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Top_Right_Bottom_Left,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TopRightBottomLeft`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::PlayerNames`
[INFO] [stdout]    --> src/player_names_and_turns_organiser.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     use super::PlayerNames;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::SquareContents`
[INFO] [stdout]    --> src/player_names_and_turns_organiser.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     use super::SquareContents;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::SquareContents`
[INFO] [stdout]    --> src/square_contents.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |     use super::SquareContents;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::ScreenCoords`
[INFO] [stdout]   --> src/winning_line_coords_for_squares.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     use super::ScreenCoords;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::WinningLineCoords`
[INFO] [stdout]   --> src/winning_line_coords_for_squares.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     use super::WinningLineCoords;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Top_Left_Bottom_Right` should have an upper camel case name
[INFO] [stdout]  --> src/winning_lines.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Top_Left_Bottom_Right,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TopLeftBottomRight`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Top_Right_Bottom_Left` should have an upper camel case name
[INFO] [stdout]   --> src/winning_lines.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Top_Right_Bottom_Left,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TopRightBottomLeft`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `increment_games_won`
[INFO] [stdout]   --> src/player_names_and_turns_organiser.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn increment_games_won(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_round`
[INFO] [stdout]   --> src/player_names_and_turns_organiser.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn next_round(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.26s
[INFO] running `Command { std: "docker" "inspect" "545cf591f4af0bce378ba3e8b0b69945b22cf25f190fb2676c180bc4bf22aba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "545cf591f4af0bce378ba3e8b0b69945b22cf25f190fb2676c180bc4bf22aba5", kill_on_drop: false }`
[INFO] [stdout] 545cf591f4af0bce378ba3e8b0b69945b22cf25f190fb2676c180bc4bf22aba5