[INFO] updating cached repository https://github.com/doughsay/halomonas_titanicae
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] 70752e3de080fcb18d342259ccd6733fa988ba2f
[INFO] checking doughsay/halomonas_titanicae against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoughsay%2Fhalomonas_titanicae" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/doughsay/halomonas_titanicae on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/doughsay/halomonas_titanicae
[INFO] finished tweaking git repo https://github.com/doughsay/halomonas_titanicae
[INFO] tweaked toml for git repo https://github.com/doughsay/halomonas_titanicae written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/doughsay/halomonas_titanicae already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6415867105cfad70aa6691016cda288f5d537ad323d2b08b2e166a2b8ae5c030
[INFO] running `"docker" "start" "-a" "6415867105cfad70aa6691016cda288f5d537ad323d2b08b2e166a2b8ae5c030"`
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking wayland-commons v0.21.10
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking wayland-client v0.21.10
[INFO] [stderr]     Checking wayland-protocols v0.21.10
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.4
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking winit v0.18.1
[INFO] [stderr]     Checking pistoncore-input v0.23.0
[INFO] [stderr]     Checking glutin v0.19.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.57.0
[INFO] [stderr]     Checking pistoncore-window v0.34.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.39.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.51.1
[INFO] [stderr]     Checking piston v0.39.0
[INFO] [stderr]     Checking halomonas_titanicae v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `print_state`
[INFO] [stderr]   --> src/counting_life.rs:70:1
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub fn print_state(state: &WorldState) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ActiveBuffer`
[INFO] [stderr]   --> src/hashmap_life.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | enum ActiveBuffer {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WorldState`
[INFO] [stderr]   --> src/hashmap_life.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct WorldState {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `random_state`
[INFO] [stderr]   --> src/hashmap_life.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn random_state(height: i32, width: i32) -> WorldState {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_state`
[INFO] [stderr]   --> src/hashmap_life.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub fn print_state(state: &WorldState, from: (i32, i32), to: (i32, i32)) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tick`
[INFO] [stderr]   --> src/hashmap_life.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub fn tick(state: &mut WorldState) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `count_neighbors`
[INFO] [stderr]   --> src/hashmap_life.rs:97:1
[INFO] [stderr]    |
[INFO] [stderr] 97 | fn count_neighbors(hashmap: &HashMap<Point, bool>, point: &Point) -> u8 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `birth`
[INFO] [stderr]    --> src/hashmap_life.rs:118:1
[INFO] [stderr]     |
[INFO] [stderr] 118 | fn birth(hashmap: &mut HashMap<Point, bool>, point: Point) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ActiveBuffer`
[INFO] [stderr]  --> src/naive_life.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | enum ActiveBuffer {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WorldSize`
[INFO] [stderr]   --> src/naive_life.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct WorldSize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WorldState`
[INFO] [stderr]   --> src/naive_life.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct WorldState {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `random_state`
[INFO] [stderr]   --> src/naive_life.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn random_state(height: usize, width: usize) -> WorldState {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_state`
[INFO] [stderr]   --> src/naive_life.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub fn print_state(state: &WorldState) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tick`
[INFO] [stderr]   --> src/naive_life.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub fn tick(state: &mut WorldState) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `count_neighbors`
[INFO] [stderr]   --> src/naive_life.rs:99:1
[INFO] [stderr]    |
[INFO] [stderr] 99 | fn count_neighbors(vec: &[bool], width: usize, height: usize, x: usize, y: usize) -> u8 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_state`
[INFO] [stderr]   --> src/counting_life.rs:70:1
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub fn print_state(state: &WorldState) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ActiveBuffer`
[INFO] [stderr]   --> src/hashmap_life.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | enum ActiveBuffer {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WorldState`
[INFO] [stderr]   --> src/hashmap_life.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct WorldState {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `random_state`
[INFO] [stderr]   --> src/hashmap_life.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn random_state(height: i32, width: i32) -> WorldState {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_state`
[INFO] [stderr]   --> src/hashmap_life.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub fn print_state(state: &WorldState, from: (i32, i32), to: (i32, i32)) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tick`
[INFO] [stderr]   --> src/hashmap_life.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub fn tick(state: &mut WorldState) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `count_neighbors`
[INFO] [stderr]   --> src/hashmap_life.rs:97:1
[INFO] [stderr]    |
[INFO] [stderr] 97 | fn count_neighbors(hashmap: &HashMap<Point, bool>, point: &Point) -> u8 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `birth`
[INFO] [stderr]    --> src/hashmap_life.rs:118:1
[INFO] [stderr]     |
[INFO] [stderr] 118 | fn birth(hashmap: &mut HashMap<Point, bool>, point: Point) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ActiveBuffer`
[INFO] [stderr]  --> src/naive_life.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | enum ActiveBuffer {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WorldSize`
[INFO] [stderr]   --> src/naive_life.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct WorldSize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WorldState`
[INFO] [stderr]   --> src/naive_life.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct WorldState {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `random_state`
[INFO] [stderr]   --> src/naive_life.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn random_state(height: usize, width: usize) -> WorldState {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_state`
[INFO] [stderr]   --> src/naive_life.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub fn print_state(state: &WorldState) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tick`
[INFO] [stderr]   --> src/naive_life.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub fn tick(state: &mut WorldState) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `count_neighbors`
[INFO] [stderr]   --> src/naive_life.rs:99:1
[INFO] [stderr]    |
[INFO] [stderr] 99 | fn count_neighbors(vec: &[bool], width: usize, height: usize, x: usize, y: usize) -> u8 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `"docker" "inspect" "6415867105cfad70aa6691016cda288f5d537ad323d2b08b2e166a2b8ae5c030"`
[INFO] running `"docker" "rm" "-f" "6415867105cfad70aa6691016cda288f5d537ad323d2b08b2e166a2b8ae5c030"`
[INFO] [stdout] 6415867105cfad70aa6691016cda288f5d537ad323d2b08b2e166a2b8ae5c030