[INFO] cloning repository https://github.com/arnauorriols/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/arnauorriols/GoL-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farnauorriols%2FGoL-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farnauorriols%2FGoL-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d9ad0753d24093592b911d4134dbd2026209327
[INFO] checking arnauorriols/GoL-rust against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farnauorriols%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/arnauorriols/GoL-rust on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arnauorriols/GoL-rust
[INFO] finished tweaking git repo https://github.com/arnauorriols/GoL-rust
[INFO] tweaked toml for git repo https://github.com/arnauorriols/GoL-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/arnauorriols/GoL-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92cc2bd56b38a406ef35f111e8a2437d2d3f14526b425c28a9f1ce609c37faf5
[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" "92cc2bd56b38a406ef35f111e8a2437d2d3f14526b425c28a9f1ce609c37faf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92cc2bd56b38a406ef35f111e8a2437d2d3f14526b425c28a9f1ce609c37faf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92cc2bd56b38a406ef35f111e8a2437d2d3f14526b425c28a9f1ce609c37faf5", kill_on_drop: false }`
[INFO] [stdout] 92cc2bd56b38a406ef35f111e8a2437d2d3f14526b425c28a9f1ce609c37faf5
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d107f9033af87bdded975683f5d51bb6f8ddbcdcd5ffbe014a777a2b1464f60a
[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" "d107f9033af87bdded975683f5d51bb6f8ddbcdcd5ffbe014a777a2b1464f60a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking ansi-escapes v0.1.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking GoL-Rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> src/io/config.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |         .unwrap_or_else(|e| panic!(format!("Missing config file at {}: {}", PATH, e)));
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]   = note: this is no longer accepted in Rust 2021
[INFO] [stdout]   = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]   |
[INFO] [stdout] 8 |         .unwrap_or_else(|e| panic!("Missing config file at {}: {}", PATH, e));
[INFO] [stdout]   |                                   --                                      --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/io/config.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 |           panic!(format!(
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 11 | |             "Error while parsing the config file {}: {}",
[INFO] [stdout] 12 | |             PATH, e
[INFO] [stdout] 13 | |         ))
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 10 |         panic!(
[INFO] [stdout] 11 |             "Error while parsing the config file {}: {}",
[INFO] [stdout] 12 |             PATH, e
[INFO] [stdout] 13 |         )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> src/io/config.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |         .unwrap_or_else(|e| panic!(format!("Missing config file at {}: {}", PATH, e)));
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]   = note: this is no longer accepted in Rust 2021
[INFO] [stdout]   = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]   |
[INFO] [stdout] 8 |         .unwrap_or_else(|e| panic!("Missing config file at {}: {}", PATH, e));
[INFO] [stdout]   |                                   --                                      --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/io/config.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 |           panic!(format!(
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 11 | |             "Error while parsing the config file {}: {}",
[INFO] [stdout] 12 | |             PATH, e
[INFO] [stdout] 13 | |         ))
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 10 |         panic!(
[INFO] [stdout] 11 |             "Error while parsing the config file {}: {}",
[INFO] [stdout] 12 |             PATH, e
[INFO] [stdout] 13 |         )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.61s
[INFO] running `Command { std: "docker" "inspect" "d107f9033af87bdded975683f5d51bb6f8ddbcdcd5ffbe014a777a2b1464f60a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d107f9033af87bdded975683f5d51bb6f8ddbcdcd5ffbe014a777a2b1464f60a", kill_on_drop: false }`
[INFO] [stdout] d107f9033af87bdded975683f5d51bb6f8ddbcdcd5ffbe014a777a2b1464f60a