[INFO] cloning repository https://github.com/pvwnthem/rust-automata
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pvwnthem/rust-automata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpvwnthem%2Frust-automata", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpvwnthem%2Frust-automata'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76c8a0a5a74a0270cc39c3ffdf57c42f5a18f9be
[INFO] checking pvwnthem/rust-automata against try#b152f5575a2ac7126ae0019e4e679abe9399213e for pr-157841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpvwnthem%2Frust-automata" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pvwnthem/rust-automata
[INFO] finished tweaking git repo https://github.com/pvwnthem/rust-automata
[INFO] tweaked toml for git repo https://github.com/pvwnthem/rust-automata written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pvwnthem/rust-automata on toolchain b152f5575a2ac7126ae0019e4e679abe9399213e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pvwnthem/rust-automata already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "fetch" "--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-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2ce6c3bb049c17a4e3a7c69b9d6e21bf97e9e6a38cc63f526b1cab453f143688
[INFO] running `Command { std: "docker" "start" "2ce6c3bb049c17a4e3a7c69b9d6e21bf97e9e6a38cc63f526b1cab453f143688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2ce6c3bb049c17a4e3a7c69b9d6e21bf97e9e6a38cc63f526b1cab453f143688" "/opt/rustwide/cargo-home/bin/cargo" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ce6c3bb049c17a4e3a7c69b9d6e21bf97e9e6a38cc63f526b1cab453f143688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2ce6c3bb049c17a4e3a7c69b9d6e21bf97e9e6a38cc63f526b1cab453f143688" "/opt/rustwide/cargo-home/bin/cargo" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rust-automata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `toggle` is never used
[INFO] [stdout]   --> src/grid.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Cell {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn toggle(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `neighbors` is never used
[INFO] [stdout]   --> src/grid.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Grid {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn neighbors(&self, cell: &Cell) -> Vec<&Cell> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/conways.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Conways {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 4 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `toggle` is never used
[INFO] [stdout]   --> src/grid.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Cell {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn toggle(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `neighbors` is never used
[INFO] [stdout]   --> src/grid.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Grid {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn neighbors(&self, cell: &Cell) -> Vec<&Cell> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/conways.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Conways {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 4 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "2ce6c3bb049c17a4e3a7c69b9d6e21bf97e9e6a38cc63f526b1cab453f143688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ce6c3bb049c17a4e3a7c69b9d6e21bf97e9e6a38cc63f526b1cab453f143688", kill_on_drop: false }`
[INFO] [stdout] 2ce6c3bb049c17a4e3a7c69b9d6e21bf97e9e6a38cc63f526b1cab453f143688
