[INFO] updating cached repository https://github.com/sirkibsirkib/multiplayer_serv_v2
[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] 2e669d368afb5be489eb116a251fadea2f7e0914
[INFO] testing sirkibsirkib/multiplayer_serv_v2 against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fmultiplayer_serv_v2" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sirkibsirkib/multiplayer_serv_v2 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sirkibsirkib/multiplayer_serv_v2
[INFO] finished tweaking git repo https://github.com/sirkibsirkib/multiplayer_serv_v2
[INFO] tweaked toml for git repo https://github.com/sirkibsirkib/multiplayer_serv_v2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/sirkibsirkib/multiplayer_serv_v2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-06-03" "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] 2b3dd866844c2369e4d1ae71b2235f408884ca010b8dc3f77068010ebfd474e9
[INFO] running `"docker" "start" "-a" "2b3dd866844c2369e4d1ae71b2235f408884ca010b8dc3f77068010ebfd474e9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.35
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling magnetic v2.0.0
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling clap v2.29.0
[INFO] [stderr]    Compiling multiplayer_serv_v2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `PushError`
[INFO] [stderr]  --> src/messaging.rs:3:68
[INFO] [stderr]   |
[INFO] [stderr] 3 | use magnetic::{Consumer,Producer,TryPopError,TryPushError,PopError,PushError};
[INFO] [stderr]   |                                                                    ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `identity::*`
[INFO] [stderr]  --> src/game_state.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use identity::*;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `username`
[INFO] [stderr]   --> src/messaging.rs:14:29
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn try_authenticate(username: String, password: String) -> Result<PlayerId, AuthenticatorError> {
[INFO] [stderr]    |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_username`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `password`
[INFO] [stderr]   --> src/messaging.rs:14:47
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn try_authenticate(username: String, password: String) -> Result<PlayerId, AuthenticatorError> {
[INFO] [stderr]    |                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_password`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `primitive`
[INFO] [stderr]   --> src/game_state.rs:23:21
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn new_from(primitive: LocationPrimitive) -> Self {
[INFO] [stderr]    |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_primitive`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/resources/server_resources.rs:22:21
[INFO] [stderr]    |
[INFO] [stderr] 22 |                 let mut sub = self.subs.get_mut(&lid).unwrap();
[INFO] [stderr]    |                     ----^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: private type `messaging::Diff` in public interface (error E0446)
[INFO] [stderr]   --> src/messaging.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |     ReqDiff(Diff),
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `messaging::WrappedClientwardMessage` in public interface (error E0446)
[INFO] [stderr]    --> src/messaging.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 | /     pub fn try_pop(&self) -> Result<WrappedClientwardMessage,TryPopError> {
[INFO] [stderr] 110 | |         self.output.try_pop()
[INFO] [stderr] 111 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `messaging::WrappedServerwardMessage` in public interface (error E0446)
[INFO] [stderr]    --> src/messaging.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 | /     pub fn try_push(&self, msg: WrappedServerwardMessage) -> Result<(), TryPushError<WrappedServerwardMessage>> {
[INFO] [stderr] 113 | |         self.input.try_push(msg)
[INFO] [stderr] 114 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `messaging::WrappedServerwardMessage` in public interface (error E0446)
[INFO] [stderr]    --> src/messaging.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 | /     pub fn try_pop(&mut self) -> Result<WrappedServerwardMessage,TryPopError> {
[INFO] [stderr] 129 | |         self.output.try_pop()
[INFO] [stderr] 130 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `messaging::WrappedClientwardMessage` in public interface (error E0446)
[INFO] [stderr]    --> src/messaging.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 | /     pub fn try_push(&mut self, msg: WrappedClientwardMessage) -> Result<(), TryPushError<WrappedClientwardMessage>> {
[INFO] [stderr] 132 | |         self.input.try_push(msg)
[INFO] [stderr] 133 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Authenticator`
[INFO] [stderr]  --> src/messaging.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct Authenticator {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_authenticate`
[INFO] [stderr]   --> src/messaging.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn try_authenticate(username: String, password: String) -> Result<PlayerId, AuthenticatorError> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `AuthenticatorError`
[INFO] [stderr]   --> src/messaging.rs:19:6
[INFO] [stderr]    |
[INFO] [stderr] 19 | enum AuthenticatorError {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WrappedServerwardMessage`
[INFO] [stderr]   --> src/messaging.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | struct WrappedServerwardMessage {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WrappedClientwardMessage`
[INFO] [stderr]   --> src/messaging.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | struct WrappedClientwardMessage {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ServerwardMessage`
[INFO] [stderr]   --> src/messaging.rs:37:10
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub enum ServerwardMessage {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ClientwardMessage`
[INFO] [stderr]   --> src/messaging.rs:44:10
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub enum ClientwardMessage {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Diff`
[INFO] [stderr]   --> src/messaging.rs:48:6
[INFO] [stderr]    |
[INFO] [stderr] 48 | enum Diff {
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `message_channel`
[INFO] [stderr]   --> src/messaging.rs:53:8
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub fn message_channel() -> (ClientStub, ServerStub) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `wrapped_message_channel`
[INFO] [stderr]   --> src/messaging.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 67 | pub fn wrapped_message_channel() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ClientStub`
[INFO] [stderr]   --> src/messaging.rs:72:12
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub struct ClientStub {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WrappedClientStub`
[INFO] [stderr]   --> src/messaging.rs:78:12
[INFO] [stderr]    |
[INFO] [stderr] 78 | pub struct WrappedClientStub {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ServerStub`
[INFO] [stderr]   --> src/messaging.rs:84:12
[INFO] [stderr]    |
[INFO] [stderr] 84 | pub struct ServerStub {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WrappedServerStub`
[INFO] [stderr]   --> src/messaging.rs:90:12
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub struct WrappedServerStub {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `pop`
[INFO] [stderr]   --> src/messaging.rs:96:12
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn pop(&self) -> Result<ClientwardMessage,PopError> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_pop`
[INFO] [stderr]   --> src/messaging.rs:99:12
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub fn try_pop(&self) -> Result<ClientwardMessage,TryPopError> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_push`
[INFO] [stderr]    --> src/messaging.rs:102:12
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn try_push(&self, msg: ServerwardMessage) -> Result<(), TryPushError<ServerwardMessage>> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_pop`
[INFO] [stderr]    --> src/messaging.rs:109:12
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn try_pop(&self) -> Result<WrappedClientwardMessage,TryPopError> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_push`
[INFO] [stderr]    --> src/messaging.rs:112:12
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn try_push(&self, msg: WrappedServerwardMessage) -> Result<(), TryPushError<WrappedServerwardMessage>> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_pop`
[INFO] [stderr]    --> src/messaging.rs:118:12
[INFO] [stderr]     |
[INFO] [stderr] 118 |     pub fn try_pop(&self) -> Result<ServerwardMessage,TryPopError> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_push`
[INFO] [stderr]    --> src/messaging.rs:121:12
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn try_push(&self, msg: ClientwardMessage) -> Result<(), TryPushError<ClientwardMessage>> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_pop`
[INFO] [stderr]    --> src/messaging.rs:128:12
[INFO] [stderr]     |
[INFO] [stderr] 128 |     pub fn try_pop(&mut self) -> Result<WrappedServerwardMessage,TryPopError> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_push`
[INFO] [stderr]    --> src/messaging.rs:131:12
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn try_push(&mut self, msg: WrappedClientwardMessage) -> Result<(), TryPushError<WrappedClientwardMessage>> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DiscretePoint2`
[INFO] [stderr]  --> src/game_state.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct DiscretePoint2 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ContinuousPoint2`
[INFO] [stderr]  --> src/game_state.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub  struct ContinuousPoint2 {
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Point2`
[INFO] [stderr]   --> src/game_state.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub enum Point2 {
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Location`
[INFO] [stderr]   --> src/game_state.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct Location {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_from`
[INFO] [stderr]   --> src/game_state.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn new_from(primitive: LocationPrimitive) -> Self {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `LocationPrimitive`
[INFO] [stderr]   --> src/game_state.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub struct LocationPrimitive {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/identity.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn new(raw_pid: u8) -> Self {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ClientIdBits`
[INFO] [stderr]   --> src/identity.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct ClientIdBits {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/identity.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn new() -> ClientIdBits {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_with_only`
[INFO] [stderr]   --> src/identity.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn new_with_only(pid: PlayerId) -> ClientIdBits {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set`
[INFO] [stderr]   --> src/identity.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn set(&mut self, pid: PlayerId, value: bool) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get`
[INFO] [stderr]   --> src/identity.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn get(&self, pid: PlayerId) -> bool {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `no_subs`
[INFO] [stderr]   --> src/identity.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn no_subs(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SubscriptionManager`
[INFO] [stderr]  --> src/resources/server_resources.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct SubscriptionManager {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/resources/server_resources.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_player_sub`
[INFO] [stderr]   --> src/resources/server_resources.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn set_player_sub(&mut self, lid: LocationId, pid: PlayerId, value: bool) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PortalManager`
[INFO] [stderr]   --> src/resources/server_resources.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub struct PortalManager {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ServerMode`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     ServerMode, ClientMode, SingleMode,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SingleMode`
[INFO] [stderr]   --> src/main.rs:12:29
[INFO] [stderr]    |
[INFO] [stderr] 12 |     ServerMode, ClientMode, SingleMode,
[INFO] [stderr]    |                             ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 53 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.25s
[INFO] running `"docker" "inspect" "2b3dd866844c2369e4d1ae71b2235f408884ca010b8dc3f77068010ebfd474e9"`
[INFO] running `"docker" "rm" "-f" "2b3dd866844c2369e4d1ae71b2235f408884ca010b8dc3f77068010ebfd474e9"`
[INFO] [stdout] 2b3dd866844c2369e4d1ae71b2235f408884ca010b8dc3f77068010ebfd474e9
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-06-03" "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] 2f755649051f5b47adf977b7fe4ba8cc19d26d2142679c725bd8a50ccaef4aff
[INFO] running `"docker" "start" "-a" "2f755649051f5b47adf977b7fe4ba8cc19d26d2142679c725bd8a50ccaef4aff"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling multiplayer_serv_v2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `PushError`
[INFO] [stderr]  --> src/messaging.rs:3:68
[INFO] [stderr]   |
[INFO] [stderr] 3 | use magnetic::{Consumer,Producer,TryPopError,TryPushError,PopError,PushError};
[INFO] [stderr]   |                                                                    ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `identity::*`
[INFO] [stderr]  --> src/game_state.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use identity::*;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `username`
[INFO] [stderr]   --> src/messaging.rs:14:29
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn try_authenticate(username: String, password: String) -> Result<PlayerId, AuthenticatorError> {
[INFO] [stderr]    |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_username`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `password`
[INFO] [stderr]   --> src/messaging.rs:14:47
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn try_authenticate(username: String, password: String) -> Result<PlayerId, AuthenticatorError> {
[INFO] [stderr]    |                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_password`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `primitive`
[INFO] [stderr]   --> src/game_state.rs:23:21
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn new_from(primitive: LocationPrimitive) -> Self {
[INFO] [stderr]    |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_primitive`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/resources/server_resources.rs:22:21
[INFO] [stderr]    |
[INFO] [stderr] 22 |                 let mut sub = self.subs.get_mut(&lid).unwrap();
[INFO] [stderr]    |                     ----^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: private type `messaging::Diff` in public interface (error E0446)
[INFO] [stderr]   --> src/messaging.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |     ReqDiff(Diff),
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `messaging::WrappedClientwardMessage` in public interface (error E0446)
[INFO] [stderr]    --> src/messaging.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 | /     pub fn try_pop(&self) -> Result<WrappedClientwardMessage,TryPopError> {
[INFO] [stderr] 110 | |         self.output.try_pop()
[INFO] [stderr] 111 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `messaging::WrappedServerwardMessage` in public interface (error E0446)
[INFO] [stderr]    --> src/messaging.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 | /     pub fn try_push(&self, msg: WrappedServerwardMessage) -> Result<(), TryPushError<WrappedServerwardMessage>> {
[INFO] [stderr] 113 | |         self.input.try_push(msg)
[INFO] [stderr] 114 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `messaging::WrappedServerwardMessage` in public interface (error E0446)
[INFO] [stderr]    --> src/messaging.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 | /     pub fn try_pop(&mut self) -> Result<WrappedServerwardMessage,TryPopError> {
[INFO] [stderr] 129 | |         self.output.try_pop()
[INFO] [stderr] 130 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `messaging::WrappedClientwardMessage` in public interface (error E0446)
[INFO] [stderr]    --> src/messaging.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 | /     pub fn try_push(&mut self, msg: WrappedClientwardMessage) -> Result<(), TryPushError<WrappedClientwardMessage>> {
[INFO] [stderr] 132 | |         self.input.try_push(msg)
[INFO] [stderr] 133 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Authenticator`
[INFO] [stderr]  --> src/messaging.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct Authenticator {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_authenticate`
[INFO] [stderr]   --> src/messaging.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn try_authenticate(username: String, password: String) -> Result<PlayerId, AuthenticatorError> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `AuthenticatorError`
[INFO] [stderr]   --> src/messaging.rs:19:6
[INFO] [stderr]    |
[INFO] [stderr] 19 | enum AuthenticatorError {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WrappedServerwardMessage`
[INFO] [stderr]   --> src/messaging.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | struct WrappedServerwardMessage {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WrappedClientwardMessage`
[INFO] [stderr]   --> src/messaging.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | struct WrappedClientwardMessage {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ServerwardMessage`
[INFO] [stderr]   --> src/messaging.rs:37:10
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub enum ServerwardMessage {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ClientwardMessage`
[INFO] [stderr]   --> src/messaging.rs:44:10
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub enum ClientwardMessage {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Diff`
[INFO] [stderr]   --> src/messaging.rs:48:6
[INFO] [stderr]    |
[INFO] [stderr] 48 | enum Diff {
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `message_channel`
[INFO] [stderr]   --> src/messaging.rs:53:8
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub fn message_channel() -> (ClientStub, ServerStub) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `wrapped_message_channel`
[INFO] [stderr]   --> src/messaging.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 67 | pub fn wrapped_message_channel() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ClientStub`
[INFO] [stderr]   --> src/messaging.rs:72:12
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub struct ClientStub {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WrappedClientStub`
[INFO] [stderr]   --> src/messaging.rs:78:12
[INFO] [stderr]    |
[INFO] [stderr] 78 | pub struct WrappedClientStub {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ServerStub`
[INFO] [stderr]   --> src/messaging.rs:84:12
[INFO] [stderr]    |
[INFO] [stderr] 84 | pub struct ServerStub {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WrappedServerStub`
[INFO] [stderr]   --> src/messaging.rs:90:12
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub struct WrappedServerStub {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `pop`
[INFO] [stderr]   --> src/messaging.rs:96:12
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn pop(&self) -> Result<ClientwardMessage,PopError> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_pop`
[INFO] [stderr]   --> src/messaging.rs:99:12
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub fn try_pop(&self) -> Result<ClientwardMessage,TryPopError> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_push`
[INFO] [stderr]    --> src/messaging.rs:102:12
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn try_push(&self, msg: ServerwardMessage) -> Result<(), TryPushError<ServerwardMessage>> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_pop`
[INFO] [stderr]    --> src/messaging.rs:109:12
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn try_pop(&self) -> Result<WrappedClientwardMessage,TryPopError> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_push`
[INFO] [stderr]    --> src/messaging.rs:112:12
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn try_push(&self, msg: WrappedServerwardMessage) -> Result<(), TryPushError<WrappedServerwardMessage>> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_pop`
[INFO] [stderr]    --> src/messaging.rs:118:12
[INFO] [stderr]     |
[INFO] [stderr] 118 |     pub fn try_pop(&self) -> Result<ServerwardMessage,TryPopError> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_push`
[INFO] [stderr]    --> src/messaging.rs:121:12
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn try_push(&self, msg: ClientwardMessage) -> Result<(), TryPushError<ClientwardMessage>> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_pop`
[INFO] [stderr]    --> src/messaging.rs:128:12
[INFO] [stderr]     |
[INFO] [stderr] 128 |     pub fn try_pop(&mut self) -> Result<WrappedServerwardMessage,TryPopError> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_push`
[INFO] [stderr]    --> src/messaging.rs:131:12
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn try_push(&mut self, msg: WrappedClientwardMessage) -> Result<(), TryPushError<WrappedClientwardMessage>> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DiscretePoint2`
[INFO] [stderr]  --> src/game_state.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct DiscretePoint2 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ContinuousPoint2`
[INFO] [stderr]  --> src/game_state.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub  struct ContinuousPoint2 {
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Point2`
[INFO] [stderr]   --> src/game_state.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub enum Point2 {
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Location`
[INFO] [stderr]   --> src/game_state.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct Location {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_from`
[INFO] [stderr]   --> src/game_state.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn new_from(primitive: LocationPrimitive) -> Self {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `LocationPrimitive`
[INFO] [stderr]   --> src/game_state.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub struct LocationPrimitive {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/identity.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn new(raw_pid: u8) -> Self {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ClientIdBits`
[INFO] [stderr]   --> src/identity.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct ClientIdBits {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/identity.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn new() -> ClientIdBits {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_with_only`
[INFO] [stderr]   --> src/identity.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn new_with_only(pid: PlayerId) -> ClientIdBits {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set`
[INFO] [stderr]   --> src/identity.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn set(&mut self, pid: PlayerId, value: bool) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get`
[INFO] [stderr]   --> src/identity.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn get(&self, pid: PlayerId) -> bool {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `no_subs`
[INFO] [stderr]   --> src/identity.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn no_subs(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SubscriptionManager`
[INFO] [stderr]  --> src/resources/server_resources.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct SubscriptionManager {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/resources/server_resources.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_player_sub`
[INFO] [stderr]   --> src/resources/server_resources.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn set_player_sub(&mut self, lid: LocationId, pid: PlayerId, value: bool) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PortalManager`
[INFO] [stderr]   --> src/resources/server_resources.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub struct PortalManager {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ServerMode`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     ServerMode, ClientMode, SingleMode,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SingleMode`
[INFO] [stderr]   --> src/main.rs:12:29
[INFO] [stderr]    |
[INFO] [stderr] 12 |     ServerMode, ClientMode, SingleMode,
[INFO] [stderr]    |                             ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 53 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "2f755649051f5b47adf977b7fe4ba8cc19d26d2142679c725bd8a50ccaef4aff"`
[INFO] running `"docker" "rm" "-f" "2f755649051f5b47adf977b7fe4ba8cc19d26d2142679c725bd8a50ccaef4aff"`
[INFO] [stdout] 2f755649051f5b47adf977b7fe4ba8cc19d26d2142679c725bd8a50ccaef4aff
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-06-03" "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] 471d4d6e8a95670e821ff5b51f1dfbcb56d0cacb3eb3fd8f30f33d1c432c5ac8
[INFO] running `"docker" "start" "-a" "471d4d6e8a95670e821ff5b51f1dfbcb56d0cacb3eb3fd8f30f33d1c432c5ac8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `PushError`
[INFO] [stderr]  --> src/messaging.rs:3:68
[INFO] [stderr]   |
[INFO] [stderr] 3 | use magnetic::{Consumer,Producer,TryPopError,TryPushError,PopError,PushError};
[INFO] [stderr]   |                                                                    ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `identity::*`
[INFO] [stderr]  --> src/game_state.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use identity::*;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `username`
[INFO] [stderr]   --> src/messaging.rs:14:29
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn try_authenticate(username: String, password: String) -> Result<PlayerId, AuthenticatorError> {
[INFO] [stderr]    |                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_username`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `password`
[INFO] [stderr]   --> src/messaging.rs:14:47
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn try_authenticate(username: String, password: String) -> Result<PlayerId, AuthenticatorError> {
[INFO] [stderr]    |                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_password`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `primitive`
[INFO] [stderr]   --> src/game_state.rs:23:21
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn new_from(primitive: LocationPrimitive) -> Self {
[INFO] [stderr]    |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_primitive`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/resources/server_resources.rs:22:21
[INFO] [stderr]    |
[INFO] [stderr] 22 |                 let mut sub = self.subs.get_mut(&lid).unwrap();
[INFO] [stderr]    |                     ----^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: private type `messaging::Diff` in public interface (error E0446)
[INFO] [stderr]   --> src/messaging.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |     ReqDiff(Diff),
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `messaging::WrappedClientwardMessage` in public interface (error E0446)
[INFO] [stderr]    --> src/messaging.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 | /     pub fn try_pop(&self) -> Result<WrappedClientwardMessage,TryPopError> {
[INFO] [stderr] 110 | |         self.output.try_pop()
[INFO] [stderr] 111 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `messaging::WrappedServerwardMessage` in public interface (error E0446)
[INFO] [stderr]    --> src/messaging.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 | /     pub fn try_push(&self, msg: WrappedServerwardMessage) -> Result<(), TryPushError<WrappedServerwardMessage>> {
[INFO] [stderr] 113 | |         self.input.try_push(msg)
[INFO] [stderr] 114 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `messaging::WrappedServerwardMessage` in public interface (error E0446)
[INFO] [stderr]    --> src/messaging.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 | /     pub fn try_pop(&mut self) -> Result<WrappedServerwardMessage,TryPopError> {
[INFO] [stderr] 129 | |         self.output.try_pop()
[INFO] [stderr] 130 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `messaging::WrappedClientwardMessage` in public interface (error E0446)
[INFO] [stderr]    --> src/messaging.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 | /     pub fn try_push(&mut self, msg: WrappedClientwardMessage) -> Result<(), TryPushError<WrappedClientwardMessage>> {
[INFO] [stderr] 132 | |         self.input.try_push(msg)
[INFO] [stderr] 133 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Authenticator`
[INFO] [stderr]  --> src/messaging.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct Authenticator {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_authenticate`
[INFO] [stderr]   --> src/messaging.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn try_authenticate(username: String, password: String) -> Result<PlayerId, AuthenticatorError> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `AuthenticatorError`
[INFO] [stderr]   --> src/messaging.rs:19:6
[INFO] [stderr]    |
[INFO] [stderr] 19 | enum AuthenticatorError {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WrappedServerwardMessage`
[INFO] [stderr]   --> src/messaging.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | struct WrappedServerwardMessage {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WrappedClientwardMessage`
[INFO] [stderr]   --> src/messaging.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | struct WrappedClientwardMessage {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ServerwardMessage`
[INFO] [stderr]   --> src/messaging.rs:37:10
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub enum ServerwardMessage {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ClientwardMessage`
[INFO] [stderr]   --> src/messaging.rs:44:10
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub enum ClientwardMessage {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Diff`
[INFO] [stderr]   --> src/messaging.rs:48:6
[INFO] [stderr]    |
[INFO] [stderr] 48 | enum Diff {
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `message_channel`
[INFO] [stderr]   --> src/messaging.rs:53:8
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub fn message_channel() -> (ClientStub, ServerStub) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `wrapped_message_channel`
[INFO] [stderr]   --> src/messaging.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 67 | pub fn wrapped_message_channel() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ClientStub`
[INFO] [stderr]   --> src/messaging.rs:72:12
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub struct ClientStub {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WrappedClientStub`
[INFO] [stderr]   --> src/messaging.rs:78:12
[INFO] [stderr]    |
[INFO] [stderr] 78 | pub struct WrappedClientStub {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ServerStub`
[INFO] [stderr]   --> src/messaging.rs:84:12
[INFO] [stderr]    |
[INFO] [stderr] 84 | pub struct ServerStub {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WrappedServerStub`
[INFO] [stderr]   --> src/messaging.rs:90:12
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub struct WrappedServerStub {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `pop`
[INFO] [stderr]   --> src/messaging.rs:96:12
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn pop(&self) -> Result<ClientwardMessage,PopError> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_pop`
[INFO] [stderr]   --> src/messaging.rs:99:12
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub fn try_pop(&self) -> Result<ClientwardMessage,TryPopError> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_push`
[INFO] [stderr]    --> src/messaging.rs:102:12
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn try_push(&self, msg: ServerwardMessage) -> Result<(), TryPushError<ServerwardMessage>> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_pop`
[INFO] [stderr]    --> src/messaging.rs:109:12
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn try_pop(&self) -> Result<WrappedClientwardMessage,TryPopError> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_push`
[INFO] [stderr]    --> src/messaging.rs:112:12
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn try_push(&self, msg: WrappedServerwardMessage) -> Result<(), TryPushError<WrappedServerwardMessage>> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_pop`
[INFO] [stderr]    --> src/messaging.rs:118:12
[INFO] [stderr]     |
[INFO] [stderr] 118 |     pub fn try_pop(&self) -> Result<ServerwardMessage,TryPopError> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_push`
[INFO] [stderr]    --> src/messaging.rs:121:12
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn try_push(&self, msg: ClientwardMessage) -> Result<(), TryPushError<ClientwardMessage>> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_pop`
[INFO] [stderr]    --> src/messaging.rs:128:12
[INFO] [stderr]     |
[INFO] [stderr] 128 |     pub fn try_pop(&mut self) -> Result<WrappedServerwardMessage,TryPopError> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_push`
[INFO] [stderr]    --> src/messaging.rs:131:12
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn try_push(&mut self, msg: WrappedClientwardMessage) -> Result<(), TryPushError<WrappedClientwardMessage>> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DiscretePoint2`
[INFO] [stderr]  --> src/game_state.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct DiscretePoint2 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ContinuousPoint2`
[INFO] [stderr]  --> src/game_state.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub  struct ContinuousPoint2 {
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Point2`
[INFO] [stderr]   --> src/game_state.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub enum Point2 {
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Location`
[INFO] [stderr]   --> src/game_state.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct Location {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_from`
[INFO] [stderr]   --> src/game_state.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn new_from(primitive: LocationPrimitive) -> Self {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `LocationPrimitive`
[INFO] [stderr]   --> src/game_state.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub struct LocationPrimitive {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/identity.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn new(raw_pid: u8) -> Self {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ClientIdBits`
[INFO] [stderr]   --> src/identity.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct ClientIdBits {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/identity.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn new() -> ClientIdBits {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_with_only`
[INFO] [stderr]   --> src/identity.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn new_with_only(pid: PlayerId) -> ClientIdBits {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set`
[INFO] [stderr]   --> src/identity.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn set(&mut self, pid: PlayerId, value: bool) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get`
[INFO] [stderr]   --> src/identity.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn get(&self, pid: PlayerId) -> bool {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `no_subs`
[INFO] [stderr]   --> src/identity.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn no_subs(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SubscriptionManager`
[INFO] [stderr]  --> src/resources/server_resources.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct SubscriptionManager {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/resources/server_resources.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_player_sub`
[INFO] [stderr]   --> src/resources/server_resources.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn set_player_sub(&mut self, lid: LocationId, pid: PlayerId, value: bool) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PortalManager`
[INFO] [stderr]   --> src/resources/server_resources.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub struct PortalManager {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ServerMode`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     ServerMode, ClientMode, SingleMode,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SingleMode`
[INFO] [stderr]   --> src/main.rs:12:29
[INFO] [stderr]    |
[INFO] [stderr] 12 |     ServerMode, ClientMode, SingleMode,
[INFO] [stderr]    |                             ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 53 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/multiplayer_serv_v2-7190a6199e655620
[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" "471d4d6e8a95670e821ff5b51f1dfbcb56d0cacb3eb3fd8f30f33d1c432c5ac8"`
[INFO] running `"docker" "rm" "-f" "471d4d6e8a95670e821ff5b51f1dfbcb56d0cacb3eb3fd8f30f33d1c432c5ac8"`
[INFO] [stdout] 471d4d6e8a95670e821ff5b51f1dfbcb56d0cacb3eb3fd8f30f33d1c432c5ac8