[INFO] cloning repository https://github.com/AlperenAydin/CyclicCellularAutomaton
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlperenAydin/CyclicCellularAutomaton" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlperenAydin%2FCyclicCellularAutomaton", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlperenAydin%2FCyclicCellularAutomaton'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cad0e9859760a0954c0ca8c362329c3039a86193
[INFO] checking AlperenAydin/CyclicCellularAutomaton against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlperenAydin%2FCyclicCellularAutomaton" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlperenAydin/CyclicCellularAutomaton on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AlperenAydin/CyclicCellularAutomaton
[INFO] finished tweaking git repo https://github.com/AlperenAydin/CyclicCellularAutomaton
[INFO] tweaked toml for git repo https://github.com/AlperenAydin/CyclicCellularAutomaton written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/AlperenAydin/CyclicCellularAutomaton already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 61e9a5d5e51d866c65931ae6d30728516e15b5b0d1bf35b3b62ee94a581d4521
[INFO] running `Command { std: "docker" "start" "-a" "61e9a5d5e51d866c65931ae6d30728516e15b5b0d1bf35b3b62ee94a581d4521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61e9a5d5e51d866c65931ae6d30728516e15b5b0d1bf35b3b62ee94a581d4521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61e9a5d5e51d866c65931ae6d30728516e15b5b0d1bf35b3b62ee94a581d4521", kill_on_drop: false }`
[INFO] [stdout] 61e9a5d5e51d866c65931ae6d30728516e15b5b0d1bf35b3b62ee94a581d4521
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53e06943fb97c6e1c11956488fca21046be14a8e351523879d56a5b5f0a41a5f
[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" "53e06943fb97c6e1c11956488fca21046be14a8e351523879d56a5b5f0a41a5f", kill_on_drop: false }`
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking getrandom v0.2.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking cca v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn run(mut args: env::Args) -> Result<(), Box<dyn Error>>
[INFO] [stdout]    |            ----^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn run(mut args: env::Args) -> Result<(), Box<dyn Error>>
[INFO] [stdout]    |            ----^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.60s
[INFO] running `Command { std: "docker" "inspect" "53e06943fb97c6e1c11956488fca21046be14a8e351523879d56a5b5f0a41a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53e06943fb97c6e1c11956488fca21046be14a8e351523879d56a5b5f0a41a5f", kill_on_drop: false }`
[INFO] [stdout] 53e06943fb97c6e1c11956488fca21046be14a8e351523879d56a5b5f0a41a5f