[INFO] cloning repository https://github.com/blabtonic/gol_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blabtonic/gol_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblabtonic%2Fgol_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblabtonic%2Fgol_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f13ff5bc7901eb6c6c12d54c9b5a8f9232e74569
[INFO] checking blabtonic/gol_rust against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblabtonic%2Fgol_rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blabtonic/gol_rust on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/blabtonic/gol_rust
[INFO] finished tweaking git repo https://github.com/blabtonic/gol_rust
[INFO] tweaked toml for git repo https://github.com/blabtonic/gol_rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/blabtonic/gol_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18696c23c559ffab80104e94ce5c54ae9fa3aaeaa7ac551cbd252f639e3568bd
[INFO] running `Command { std: "docker" "start" "-a" "18696c23c559ffab80104e94ce5c54ae9fa3aaeaa7ac551cbd252f639e3568bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18696c23c559ffab80104e94ce5c54ae9fa3aaeaa7ac551cbd252f639e3568bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18696c23c559ffab80104e94ce5c54ae9fa3aaeaa7ac551cbd252f639e3568bd", kill_on_drop: false }`
[INFO] [stdout] 18696c23c559ffab80104e94ce5c54ae9fa3aaeaa7ac551cbd252f639e3568bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a634e20482fb6fb8f7f8ca6eb68c195d0e1da7eea4cb638c8a2e58cfeb957da
[INFO] running `Command { std: "docker" "start" "-a" "8a634e20482fb6fb8f7f8ca6eb68c195d0e1da7eea4cb638c8a2e58cfeb957da", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking crossterm v0.20.0
[INFO] [stderr]     Checking game_of_life_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `App`, `Arg`, `crate_version`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::{crate_version, App, Arg};
[INFO] [stdout]   |            ^^^^^^^^^^^^^  ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DisableLineWrap`, `EnableLineWrap`, `KeyCode`, `KeyEvent`, `disable_raw_mode`, `enable_raw_mode`, `queue`
[INFO] [stdout]  --> src/main.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 |     event::{poll, read, Event, KeyCode, KeyEvent},
[INFO] [stdout]   |                                ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 5 |     execute, queue,
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 |         disable_raw_mode, enable_raw_mode, Clear, ClearType, DisableLineWrap, EnableLineWrap,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^                    ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`
[INFO] [stdout]   --> src/main.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::io::{BufRead, BufReader};
[INFO] [stdout]    |               ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `App`, `Arg`, `crate_version`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::{crate_version, App, Arg};
[INFO] [stdout]   |            ^^^^^^^^^^^^^  ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DisableLineWrap`, `EnableLineWrap`, `KeyCode`, `KeyEvent`, `disable_raw_mode`, `enable_raw_mode`, `queue`
[INFO] [stdout]  --> src/main.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 |     event::{poll, read, Event, KeyCode, KeyEvent},
[INFO] [stdout]   |                                ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 5 |     execute, queue,
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 |         disable_raw_mode, enable_raw_mode, Clear, ClearType, DisableLineWrap, EnableLineWrap,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^                    ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`
[INFO] [stdout]   --> src/main.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::io::{BufRead, BufReader};
[INFO] [stdout]    |               ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/main.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::io::{stdout, Write};
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/main.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::io::{stdout, Write};
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.94s
[INFO] running `Command { std: "docker" "inspect" "8a634e20482fb6fb8f7f8ca6eb68c195d0e1da7eea4cb638c8a2e58cfeb957da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a634e20482fb6fb8f7f8ca6eb68c195d0e1da7eea4cb638c8a2e58cfeb957da", kill_on_drop: false }`
[INFO] [stdout] 8a634e20482fb6fb8f7f8ca6eb68c195d0e1da7eea4cb638c8a2e58cfeb957da