[INFO] cloning repository https://github.com/ikubetoomuzik/game_of_life
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ikubetoomuzik/game_of_life" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikubetoomuzik%2Fgame_of_life", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikubetoomuzik%2Fgame_of_life'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c22a4d77722f85e729dd20cd7d5e16d7a92db8a8
[INFO] checking ikubetoomuzik/game_of_life against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikubetoomuzik%2Fgame_of_life" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ikubetoomuzik/game_of_life on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ikubetoomuzik/game_of_life
[INFO] finished tweaking git repo https://github.com/ikubetoomuzik/game_of_life
[INFO] tweaked toml for git repo https://github.com/ikubetoomuzik/game_of_life written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/ikubetoomuzik/game_of_life already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3fafb72b00f96e3b50b680166c9298b4d5c682b2b0e33669879784fa2f57aff
[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" "e3fafb72b00f96e3b50b680166c9298b4d5c682b2b0e33669879784fa2f57aff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3fafb72b00f96e3b50b680166c9298b4d5c682b2b0e33669879784fa2f57aff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3fafb72b00f96e3b50b680166c9298b4d5c682b2b0e33669879784fa2f57aff", kill_on_drop: false }`
[INFO] [stdout] e3fafb72b00f96e3b50b680166c9298b4d5c682b2b0e33669879784fa2f57aff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 581316f4c61c629425e45aed5c456e27ac4490b0a83b4a68ca4028178a595192
[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" "581316f4c61c629425e45aed5c456e27ac4490b0a83b4a68ca4028178a595192", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking game_of_life v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Bachelors`
[INFO] [stdout]   --> src/logic/pieces.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Bachelors,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PhD`
[INFO] [stdout]   --> src/logic/pieces.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     PhD,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Family`
[INFO] [stdout]   --> src/logic/pieces.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     Family,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sport`
[INFO] [stdout]   --> src/logic/pieces.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     Sport,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nothing`
[INFO] [stdout]   --> src/logic/board.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Nothing,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Lottery`
[INFO] [stdout]   --> src/logic/board.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Lottery,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BusinessVenture`
[INFO] [stdout]   --> src/logic/board.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     BusinessVenture,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Transition`
[INFO] [stdout]   --> src/logic/board.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Transition,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `BoardChunk`
[INFO] [stdout]   --> src/logic/board.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct BoardChunk {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_str`
[INFO] [stdout]   --> src/logic/board.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn from_str(s: String) -> BoardChunk {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `LifeBoard`
[INFO] [stdout]   --> src/logic/board.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct LifeBoard {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_files`
[INFO] [stdout]   --> src/logic/board.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn from_files(fList: Vec<&str>) -> LifeBoard {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Command`
[INFO] [stdout]   --> src/lib.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 | enum Command {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn new(c: String) -> Result<Command, &'static str> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]   --> src/lib.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn execute(&self) -> Result<String, &'static str> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fList` should have a snake case name
[INFO] [stdout]   --> src/logic/board.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn from_files(fList: Vec<&str>) -> LifeBoard {
[INFO] [stdout]    |                   ^^^^^ help: convert the identifier to snake case: `f_list`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bachelors`
[INFO] [stdout]   --> src/logic/pieces.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Bachelors,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PhD`
[INFO] [stdout]   --> src/logic/pieces.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     PhD,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Family`
[INFO] [stdout]   --> src/logic/pieces.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     Family,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sport`
[INFO] [stdout]   --> src/logic/pieces.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     Sport,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nothing`
[INFO] [stdout]   --> src/logic/board.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Nothing,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Lottery`
[INFO] [stdout]   --> src/logic/board.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Lottery,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BusinessVenture`
[INFO] [stdout]   --> src/logic/board.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     BusinessVenture,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Transition`
[INFO] [stdout]   --> src/logic/board.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Transition,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `BoardChunk`
[INFO] [stdout]   --> src/logic/board.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct BoardChunk {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_str`
[INFO] [stdout]   --> src/logic/board.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn from_str(s: String) -> BoardChunk {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `LifeBoard`
[INFO] [stdout]   --> src/logic/board.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct LifeBoard {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_files`
[INFO] [stdout]   --> src/logic/board.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn from_files(fList: Vec<&str>) -> LifeBoard {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Command`
[INFO] [stdout]   --> src/lib.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 | enum Command {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn new(c: String) -> Result<Command, &'static str> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]   --> src/lib.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn execute(&self) -> Result<String, &'static str> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fList` should have a snake case name
[INFO] [stdout]   --> src/logic/board.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn from_files(fList: Vec<&str>) -> LifeBoard {
[INFO] [stdout]    |                   ^^^^^ help: convert the identifier to snake case: `f_list`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.41s
[INFO] running `Command { std: "docker" "inspect" "581316f4c61c629425e45aed5c456e27ac4490b0a83b4a68ca4028178a595192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "581316f4c61c629425e45aed5c456e27ac4490b0a83b4a68ca4028178a595192", kill_on_drop: false }`
[INFO] [stdout] 581316f4c61c629425e45aed5c456e27ac4490b0a83b4a68ca4028178a595192