[INFO] cloning repository https://github.com/aadroher/game-of-rife
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aadroher/game-of-rife" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faadroher%2Fgame-of-rife", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faadroher%2Fgame-of-rife'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e1c4436b1406c5932793685eb0b341770d5ce7f8
[INFO] checking aadroher/game-of-rife against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faadroher%2Fgame-of-rife" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aadroher/game-of-rife on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aadroher/game-of-rife
[INFO] finished tweaking git repo https://github.com/aadroher/game-of-rife
[INFO] tweaked toml for git repo https://github.com/aadroher/game-of-rife written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/aadroher/game-of-rife already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_xoshiro v0.4.0
[INFO] [stderr]   Downloaded bitmaps v2.1.0
[INFO] [stderr]   Downloaded sized-chunks v0.6.2
[INFO] [stderr]   Downloaded im v15.0.0
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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] f3c9d58a93514d5bab31f112622de670c6c9eaf7b226b2ae9c4dfe8bc8a060b3
[INFO] running `Command { std: "docker" "start" "-a" "f3c9d58a93514d5bab31f112622de670c6c9eaf7b226b2ae9c4dfe8bc8a060b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3c9d58a93514d5bab31f112622de670c6c9eaf7b226b2ae9c4dfe8bc8a060b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3c9d58a93514d5bab31f112622de670c6c9eaf7b226b2ae9c4dfe8bc8a060b3", kill_on_drop: false }`
[INFO] [stdout] f3c9d58a93514d5bab31f112622de670c6c9eaf7b226b2ae9c4dfe8bc8a060b3
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 51762c0d8dee54d4fffd8553722c8419e158b850bfe4ccb61aa3551a275f3e0e
[INFO] running `Command { std: "docker" "start" "-a" "51762c0d8dee54d4fffd8553722c8419e158b850bfe4ccb61aa3551a275f3e0e", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking sized-chunks v0.6.2
[INFO] [stderr]     Checking game-of-rife v0.0.1 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: associated function is never used: `next_step`
[INFO] [stdout]   --> src/world.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 |   fn next_step(self) -> World {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `forward`
[INFO] [stdout]   --> src/world.rs:19:6
[INFO] [stdout]    |
[INFO] [stdout] 19 |   fn forward(self, n: usize) -> World {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_neighbour_positions`
[INFO] [stdout]   --> src/world.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn get_neighbour_positions(cell: Cell) -> HashSet<Cell> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_with_neighbours`
[INFO] [stdout]   --> src/world.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn get_with_neighbours(cell: Cell) -> HashSet<Cell> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_candidates`
[INFO] [stdout]   --> src/world.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn get_candidates(cells: &HashSet<Cell>) -> HashSet<Cell> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_num_neighbours`
[INFO] [stdout]   --> src/world.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn get_num_neighbours(world_cells: &HashSet<Cell>, cell: Cell) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_newborns`
[INFO] [stdout]   --> src/world.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn get_newborns(world_cells: &HashSet<Cell>) -> HashSet<Cell> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_deceased`
[INFO] [stdout]   --> src/world.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn get_deceased(world_cells: &HashSet<Cell>) -> HashSet<Cell> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.75s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking game-of-rife v0.0.1 (/tmp/fixit)
[INFO] [stdout] warning: associated function is never used: `next_step`
[INFO] [stdout]   --> src/world.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 |   fn next_step(self) -> World {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `forward`
[INFO] [stdout]   --> src/world.rs:19:6
[INFO] [stdout]    |
[INFO] [stdout] 19 |   fn forward(self, n: usize) -> World {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_neighbour_positions`
[INFO] [stdout]   --> src/world.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn get_neighbour_positions(cell: Cell) -> HashSet<Cell> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_with_neighbours`
[INFO] [stdout]   --> src/world.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn get_with_neighbours(cell: Cell) -> HashSet<Cell> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_candidates`
[INFO] [stdout]   --> src/world.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn get_candidates(cells: &HashSet<Cell>) -> HashSet<Cell> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_num_neighbours`
[INFO] [stdout]   --> src/world.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn get_num_neighbours(world_cells: &HashSet<Cell>, cell: Cell) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_newborns`
[INFO] [stdout]   --> src/world.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn get_newborns(world_cells: &HashSet<Cell>) -> HashSet<Cell> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_deceased`
[INFO] [stdout]   --> src/world.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn get_deceased(world_cells: &HashSet<Cell>) -> HashSet<Cell> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "51762c0d8dee54d4fffd8553722c8419e158b850bfe4ccb61aa3551a275f3e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51762c0d8dee54d4fffd8553722c8419e158b850bfe4ccb61aa3551a275f3e0e", kill_on_drop: false }`
[INFO] [stdout] 51762c0d8dee54d4fffd8553722c8419e158b850bfe4ccb61aa3551a275f3e0e