[INFO] updating cached repository https://github.com/a1lu/battleship_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] ede34ddb022fca2988df73d78673b90b10e6bc01
[INFO] testing a1lu/battleship_rs against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa1lu%2Fbattleship_rs" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/a1lu/battleship_rs on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/a1lu/battleship_rs
[INFO] finished tweaking git repo https://github.com/a1lu/battleship_rs
[INFO] tweaked toml for git repo https://github.com/a1lu/battleship_rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/a1lu/battleship_rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 738a29742d5c1ae8623cae89e738007a10c07d4ebf13b648668e407d09516edd
[INFO] running `"docker" "start" "-a" "738a29742d5c1ae8623cae89e738007a10c07d4ebf13b648668e407d09516edd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling battleship v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]   --> src/board.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn board(&self) -> &Vec<Vec<u8>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] 46 |         &self.board()
[INFO] [stderr]    |          ------------ recursive call site
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Empty`
[INFO] [stderr]  --> src/board.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Empty,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Miss`
[INFO] [stderr]  --> src/board.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Miss,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Hit`
[INFO] [stderr]  --> src/board.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Hit,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Destroyed`
[INFO] [stderr]  --> src/board.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Destroyed,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ship`
[INFO] [stderr]  --> src/board.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Ship
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Board`
[INFO] [stderr]   --> src/board.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Board{
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/board.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(size:u8) -> Board {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert`
[INFO] [stderr]   --> src/board.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn insert(&mut self, point: &turn::Point, c: &Cell) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hit`
[INFO] [stderr]   --> src/board.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn hit(&mut self, point: &turn::Point) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `miss`
[INFO] [stderr]   --> src/board.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn miss(&mut self, point: &turn::Point) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `destroyed`
[INFO] [stderr]   --> src/board.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn destroyed(&mut self, points: &[turn::Point]) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `place_ship`
[INFO] [stderr]   --> src/board.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn place_ship(&mut self, point: &turn::Point) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `board`
[INFO] [stderr]   --> src/board.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn board(&self) -> &Vec<Vec<u8>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `config`
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     config: Config,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "738a29742d5c1ae8623cae89e738007a10c07d4ebf13b648668e407d09516edd"`
[INFO] running `"docker" "rm" "-f" "738a29742d5c1ae8623cae89e738007a10c07d4ebf13b648668e407d09516edd"`
[INFO] [stdout] 738a29742d5c1ae8623cae89e738007a10c07d4ebf13b648668e407d09516edd
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8e75d31327f9a71ddb02667375a2e1c3bd497e2dbf37b3defec774142c18ba88
[INFO] running `"docker" "start" "-a" "8e75d31327f9a71ddb02667375a2e1c3bd497e2dbf37b3defec774142c18ba88"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling battleship v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]   --> src/board.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn board(&self) -> &Vec<Vec<u8>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] 46 |         &self.board()
[INFO] [stderr]    |          ------------ recursive call site
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Empty`
[INFO] [stderr]  --> src/board.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Empty,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Miss`
[INFO] [stderr]  --> src/board.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Miss,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Hit`
[INFO] [stderr]  --> src/board.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Hit,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Destroyed`
[INFO] [stderr]  --> src/board.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Destroyed,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ship`
[INFO] [stderr]  --> src/board.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Ship
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Board`
[INFO] [stderr]   --> src/board.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Board{
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/board.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(size:u8) -> Board {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert`
[INFO] [stderr]   --> src/board.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn insert(&mut self, point: &turn::Point, c: &Cell) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hit`
[INFO] [stderr]   --> src/board.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn hit(&mut self, point: &turn::Point) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `miss`
[INFO] [stderr]   --> src/board.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn miss(&mut self, point: &turn::Point) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `destroyed`
[INFO] [stderr]   --> src/board.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn destroyed(&mut self, points: &[turn::Point]) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `place_ship`
[INFO] [stderr]   --> src/board.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn place_ship(&mut self, point: &turn::Point) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `board`
[INFO] [stderr]   --> src/board.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn board(&self) -> &Vec<Vec<u8>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `config`
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     config: Config,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]   --> src/board.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn board(&self) -> &Vec<Vec<u8>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] 46 |         &self.board()
[INFO] [stderr]    |          ------------ recursive call site
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Empty`
[INFO] [stderr]  --> src/board.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Empty,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Miss`
[INFO] [stderr]  --> src/board.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Miss,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Hit`
[INFO] [stderr]  --> src/board.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Hit,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Destroyed`
[INFO] [stderr]  --> src/board.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Destroyed,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ship`
[INFO] [stderr]  --> src/board.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Ship
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Board`
[INFO] [stderr]   --> src/board.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Board{
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/board.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(size:u8) -> Board {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert`
[INFO] [stderr]   --> src/board.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn insert(&mut self, point: &turn::Point, c: &Cell) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hit`
[INFO] [stderr]   --> src/board.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn hit(&mut self, point: &turn::Point) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `miss`
[INFO] [stderr]   --> src/board.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn miss(&mut self, point: &turn::Point) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `destroyed`
[INFO] [stderr]   --> src/board.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn destroyed(&mut self, points: &[turn::Point]) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `place_ship`
[INFO] [stderr]   --> src/board.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn place_ship(&mut self, point: &turn::Point) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `board`
[INFO] [stderr]   --> src/board.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn board(&self) -> &Vec<Vec<u8>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `config`
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     config: Config,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "8e75d31327f9a71ddb02667375a2e1c3bd497e2dbf37b3defec774142c18ba88"`
[INFO] running `"docker" "rm" "-f" "8e75d31327f9a71ddb02667375a2e1c3bd497e2dbf37b3defec774142c18ba88"`
[INFO] [stdout] 8e75d31327f9a71ddb02667375a2e1c3bd497e2dbf37b3defec774142c18ba88
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d2921ef3684f588978e7342cdfd564541906e0eb4a1dbc98028061266986db4f
[INFO] running `"docker" "start" "-a" "d2921ef3684f588978e7342cdfd564541906e0eb4a1dbc98028061266986db4f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]   --> src/board.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn board(&self) -> &Vec<Vec<u8>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] 46 |         &self.board()
[INFO] [stderr]    |          ------------ recursive call site
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Empty`
[INFO] [stderr]  --> src/board.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Empty,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Miss`
[INFO] [stderr]  --> src/board.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Miss,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Hit`
[INFO] [stderr]  --> src/board.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Hit,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Destroyed`
[INFO] [stderr]  --> src/board.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Destroyed,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ship`
[INFO] [stderr]  --> src/board.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Ship
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Board`
[INFO] [stderr]   --> src/board.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Board{
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/board.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(size:u8) -> Board {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert`
[INFO] [stderr]   --> src/board.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn insert(&mut self, point: &turn::Point, c: &Cell) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hit`
[INFO] [stderr]   --> src/board.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn hit(&mut self, point: &turn::Point) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `miss`
[INFO] [stderr]   --> src/board.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn miss(&mut self, point: &turn::Point) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `destroyed`
[INFO] [stderr]   --> src/board.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn destroyed(&mut self, points: &[turn::Point]) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `place_ship`
[INFO] [stderr]   --> src/board.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn place_ship(&mut self, point: &turn::Point) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `board`
[INFO] [stderr]   --> src/board.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn board(&self) -> &Vec<Vec<u8>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `config`
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     config: Config,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]   --> src/board.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn board(&self) -> &Vec<Vec<u8>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] 46 |         &self.board()
[INFO] [stderr]    |          ------------ recursive call site
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Empty`
[INFO] [stderr]  --> src/board.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Empty,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Miss`
[INFO] [stderr]  --> src/board.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Miss,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Hit`
[INFO] [stderr]  --> src/board.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Hit,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Destroyed`
[INFO] [stderr]  --> src/board.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Destroyed,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ship`
[INFO] [stderr]  --> src/board.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Ship
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Board`
[INFO] [stderr]   --> src/board.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Board{
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/board.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(size:u8) -> Board {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert`
[INFO] [stderr]   --> src/board.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn insert(&mut self, point: &turn::Point, c: &Cell) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hit`
[INFO] [stderr]   --> src/board.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn hit(&mut self, point: &turn::Point) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `miss`
[INFO] [stderr]   --> src/board.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn miss(&mut self, point: &turn::Point) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `destroyed`
[INFO] [stderr]   --> src/board.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn destroyed(&mut self, points: &[turn::Point]) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `place_ship`
[INFO] [stderr]   --> src/board.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn place_ship(&mut self, point: &turn::Point) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `board`
[INFO] [stderr]   --> src/board.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn board(&self) -> &Vec<Vec<u8>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `config`
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     config: Config,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/battleship-eb12b1006522ad6f
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/battleship-ad10cee7cb47b9e7
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests battleship
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d2921ef3684f588978e7342cdfd564541906e0eb4a1dbc98028061266986db4f"`
[INFO] running `"docker" "rm" "-f" "d2921ef3684f588978e7342cdfd564541906e0eb4a1dbc98028061266986db4f"`
[INFO] [stdout] d2921ef3684f588978e7342cdfd564541906e0eb4a1dbc98028061266986db4f