[INFO] updating cached repository https://github.com/tomasdivito/gol-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 333059f0f872b905447d01342771554735a76737
[INFO] checking tomasdivito/gol-rs against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomasdivito%2Fgol-rs" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tomasdivito/gol-rs on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tomasdivito/gol-rs
[INFO] finished tweaking git repo https://github.com/tomasdivito/gol-rs
[INFO] tweaked toml for git repo https://github.com/tomasdivito/gol-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/tomasdivito/gol-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/gtk.git`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/atk`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/cairo`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/gdk`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/gdk-pixbuf`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/sys`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/gio`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/glib`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/pango`
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/gtk.git`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/atk`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/cairo`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/gdk`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/gdk-pixbuf`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/sys`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/gio`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/glib`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/pango`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 55ce43b81c3334daa18e18e1ee41fb05fa4bcf9f505113256e8df1f93bc3e17b
[INFO] running `"docker" "start" "-a" "55ce43b81c3334daa18e18e1ee41fb05fa4bcf9f505113256e8df1f93bc3e17b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking once_cell v1.3.0
[INFO] [stderr]    Compiling gio v0.8.0 (https://github.com/gtk-rs/gio#06558414)
[INFO] [stderr]    Compiling gdk-pixbuf v0.8.0 (https://github.com/gtk-rs/gdk-pixbuf#060b5750)
[INFO] [stderr]    Compiling pango v0.8.0 (https://github.com/gtk-rs/pango#377c7d1e)
[INFO] [stderr]    Compiling cairo-rs v0.8.0 (https://github.com/gtk-rs/cairo#b5554697)
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]    Compiling gdk v0.12.0 (https://github.com/gtk-rs/gdk#63d16649)
[INFO] [stderr]    Compiling atk v0.8.0 (https://github.com/gtk-rs/atk#b56689de)
[INFO] [stderr]    Compiling gtk v0.8.0 (https://github.com/gtk-rs/gtk.git#0dd5f7e6)
[INFO] [stderr]    Compiling glib-sys v0.9.1 (https://github.com/gtk-rs/sys#bac293d7)
[INFO] [stderr]    Compiling gobject-sys v0.9.1 (https://github.com/gtk-rs/sys#bac293d7)
[INFO] [stderr]    Compiling gio-sys v0.9.1 (https://github.com/gtk-rs/sys#bac293d7)
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2 (https://github.com/gtk-rs/cairo#b5554697)
[INFO] [stderr]    Compiling pango-sys v0.9.1 (https://github.com/gtk-rs/sys#bac293d7)
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1 (https://github.com/gtk-rs/sys#bac293d7)
[INFO] [stderr]    Compiling atk-sys v0.9.1 (https://github.com/gtk-rs/sys#bac293d7)
[INFO] [stderr]    Compiling gdk-sys v0.9.1 (https://github.com/gtk-rs/sys#bac293d7)
[INFO] [stderr]    Compiling gtk-sys v0.9.2 (https://github.com/gtk-rs/sys#bac293d7)
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling rustversion v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling proc-macro-error v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.3
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]    Compiling glib-macros v0.9.0 (https://github.com/gtk-rs/glib#78d6fb91)
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking glib v0.9.1 (https://github.com/gtk-rs/glib#78d6fb91)
[INFO] [stderr]     Checking game_of_life v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io::stdin`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::stdin;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::Ordering`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cmp::Ordering;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `generation`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     generation: i32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `draw_board`
[INFO] [stderr]    --> src/main.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 |     fn draw_board (&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::stdin`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::stdin;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::Ordering`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cmp::Ordering;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `generation`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     generation: i32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `draw_board`
[INFO] [stderr]    --> src/main.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 |     fn draw_board (&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 06s
[INFO] running `"docker" "inspect" "55ce43b81c3334daa18e18e1ee41fb05fa4bcf9f505113256e8df1f93bc3e17b"`
[INFO] running `"docker" "rm" "-f" "55ce43b81c3334daa18e18e1ee41fb05fa4bcf9f505113256e8df1f93bc3e17b"`
[INFO] [stdout] 55ce43b81c3334daa18e18e1ee41fb05fa4bcf9f505113256e8df1f93bc3e17b