[INFO] updating cached repository https://github.com/jelford/rumour
[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] 0421deff9e8bc251ebff1c54afa09ab5051ae2c7
[INFO] checking jelford/rumour against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjelford%2Frumour" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jelford/rumour on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jelford/rumour
[INFO] finished tweaking git repo https://github.com/jelford/rumour
[INFO] tweaked toml for git repo https://github.com/jelford/rumour written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jelford/rumour already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 433a2469df6d5ed75cbff8b8e931f7164c4a517fc3a28a8a73570e720cfed155
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "433a2469df6d5ed75cbff8b8e931f7164c4a517fc3a28a8a73570e720cfed155"`
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking bincode v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.4
[INFO] [stderr]     Checking tokio v0.1.13
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking rumour v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/node/mill.rs:49:19
[INFO] [stderr]    |
[INFO] [stderr] 49 |     observer: Box<RumourObserver + 'a>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RumourObserver + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/node/node_state.rs:13:37
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub(crate) fn new<'a>(observer: Box<RumourObserver + 'a>) -> NodeLivenessState<'a> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RumourObserver + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/node/node_state.rs:37:19
[INFO] [stderr]    |
[INFO] [stderr] 37 |     observer: Box<RumourObserver + 'a>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RumourObserver + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/node/mod.rs:99:26
[INFO] [stderr]    |
[INFO] [stderr] 99 |     _on_node_joined: &'a Fn() -> (),
[INFO] [stderr]    |                          ^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> ()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/node/mod.rs:100:24
[INFO] [stderr]     |
[INFO] [stderr] 100 |     _on_node_dead: &'a Fn() -> (),
[INFO] [stderr]     |                        ^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> ()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/node/mod.rs:104:26
[INFO] [stderr]     |
[INFO] [stderr] 104 |     _on_node_joined: &'a Fn() -> (),
[INFO] [stderr]     |                          ^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> ()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/node/mod.rs:105:24
[INFO] [stderr]     |
[INFO] [stderr] 105 |     _on_node_dead: &'a Fn() -> (),
[INFO] [stderr]     |                        ^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> ()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/node/mod.rs:133:58
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub fn on_node_joined(mut self, joined_callback: &'a Fn() ->()) -> Self {
[INFO] [stderr]     |                                                          ^^^^^^^^^ help: use `dyn`: `dyn Fn() ->()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/node/mod.rs:138:54
[INFO] [stderr]     |
[INFO] [stderr] 138 |     pub fn on_node_dead(mut self, dead_callback: &'a Fn() ->()) -> Self {
[INFO] [stderr]     |                                                      ^^^^^^^^^ help: use `dyn`: `dyn Fn() ->()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/node/mill.rs:49:19
[INFO] [stderr]    |
[INFO] [stderr] 49 |     observer: Box<RumourObserver + 'a>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RumourObserver + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/node/node_state.rs:13:37
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub(crate) fn new<'a>(observer: Box<RumourObserver + 'a>) -> NodeLivenessState<'a> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RumourObserver + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/node/node_state.rs:37:19
[INFO] [stderr]    |
[INFO] [stderr] 37 |     observer: Box<RumourObserver + 'a>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RumourObserver + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/node/mod.rs:99:26
[INFO] [stderr]    |
[INFO] [stderr] 99 |     _on_node_joined: &'a Fn() -> (),
[INFO] [stderr]    |                          ^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> ()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/node/mod.rs:100:24
[INFO] [stderr]     |
[INFO] [stderr] 100 |     _on_node_dead: &'a Fn() -> (),
[INFO] [stderr]     |                        ^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> ()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/node/mod.rs:104:26
[INFO] [stderr]     |
[INFO] [stderr] 104 |     _on_node_joined: &'a Fn() -> (),
[INFO] [stderr]     |                          ^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> ()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/node/mod.rs:105:24
[INFO] [stderr]     |
[INFO] [stderr] 105 |     _on_node_dead: &'a Fn() -> (),
[INFO] [stderr]     |                        ^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> ()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/node/mod.rs:133:58
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub fn on_node_joined(mut self, joined_callback: &'a Fn() ->()) -> Self {
[INFO] [stderr]     |                                                          ^^^^^^^^^ help: use `dyn`: `dyn Fn() ->()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/node/mod.rs:138:54
[INFO] [stderr]     |
[INFO] [stderr] 138 |     pub fn on_node_dead(mut self, dead_callback: &'a Fn() ->()) -> Self {
[INFO] [stderr]     |                                                      ^^^^^^^^^ help: use `dyn`: `dyn Fn() ->()`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:2:1
[INFO] [stderr]    |
[INFO] [stderr] 2  | / error_chain! {
[INFO] [stderr] 3  | |     errors {
[INFO] [stderr] 4  | |         BadPortSpecified {
[INFO] [stderr] 5  | |             description("Bad port specified")
[INFO] [stderr] ...  |
[INFO] [stderr] 17 | |     }
[INFO] [stderr] 18 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:2:1
[INFO] [stderr]    |
[INFO] [stderr] 2  | / error_chain! {
[INFO] [stderr] 3  | |     errors {
[INFO] [stderr] 4  | |         BadPortSpecified {
[INFO] [stderr] 5  | |             description("Bad port specified")
[INFO] [stderr] ...  |
[INFO] [stderr] 17 | |     }
[INFO] [stderr] 18 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_live_nodes`
[INFO] [stderr]   --> src/node/mill.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |         pub fn get_live_nodes(&self) -> Vec<NodeId> {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_suspect_nodes`
[INFO] [stderr]   --> src/node/mill.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         pub fn get_suspect_nodes(&self) -> Vec<NodeId> {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_live_nodes`
[INFO] [stderr]   --> src/node/node_state.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub(crate) fn get_live_nodes(&self) -> Vec<NodeId> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_suspect_nodes`
[INFO] [stderr]   --> src/node/node_state.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub(crate) fn get_suspect_nodes(&self) -> Vec<NodeId> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_vec`
[INFO] [stderr]    --> src/node/node_state.rs:183:1
[INFO] [stderr]     |
[INFO] [stderr] 183 | / fn to_vec<T>(s: &HashSet<T>) -> Vec<T> 
[INFO] [stderr] 184 | |     where T: Eq + Hash + Clone {
[INFO] [stderr] 185 | |
[INFO] [stderr] 186 | |     let mut out : Vec<T> = Vec::with_capacity(s.len());
[INFO] [stderr] ...   |
[INFO] [stderr] 190 | |     out
[INFO] [stderr] 191 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `bare_control_plain_message`
[INFO] [stderr]   --> src/node/codec.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub(crate) fn bare_control_plain_message(from: SocketAddr, content: ControlRequest) -> InboundMessage {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/node/codec.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub(crate) fn new(from: SocketAddr, request: ControlRequest, rumours: Vec<Rumour>) -> InboundMessage {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `destination`
[INFO] [stderr]   --> src/node/codec.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub(crate) fn destination(&self) -> SocketAddr {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.97s
[INFO] running `"docker" "inspect" "433a2469df6d5ed75cbff8b8e931f7164c4a517fc3a28a8a73570e720cfed155"`
[INFO] running `"docker" "rm" "-f" "433a2469df6d5ed75cbff8b8e931f7164c4a517fc3a28a8a73570e720cfed155"`
[INFO] [stdout] 433a2469df6d5ed75cbff8b8e931f7164c4a517fc3a28a8a73570e720cfed155