[INFO] crate kad 0.4.0 is already in cache
[INFO] checking kad-0.4.0 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate kad 0.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate kad 0.4.0 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate kad 0.4.0
[INFO] finished tweaking crates.io crate kad 0.4.0
[INFO] tweaked toml for crates.io crate kad 0.4.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 23d286db62028ce20a451419a7dbb08af88b419959e80e859042de1f14397283
[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" "23d286db62028ce20a451419a7dbb08af88b419959e80e859042de1f14397283"`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking futures-timer v0.1.1
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking rr-mux v0.7.1
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking kad v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/store/hashmapstore.rs:11:26
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub type Reducer<Data> = Fn(&[Data]) -> Vec<Data> + Send + 'static;
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[Data]) -> Vec<Data> + Send + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Connector as DhtConnector`
[INFO] [stderr]   --> src/dht/search.rs:25:24
[INFO] [stderr]    |
[INFO] [stderr] 25 | use crate::connector::{Connector as DhtConnector, request_all};
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/connector/mod.rs:26:77
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl <Id, Info, Data, ReqId, Ctx> Connector<Id, Info, Data, ReqId, Ctx> for rr_mux::Connector<ReqId, Entry<Id, Info>, Request<Id, Data>, Response<Id, Info, Data>, Error, Ctx> 
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn rr_mux::Connector<ReqId, Entry<Id, Info>, Request<Id, Data>, Response<Id, Info, Data>, Error, Ctx>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/store/hashmapstore.rs:11:26
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub type Reducer<Data> = Fn(&[Data]) -> Vec<Data> + Send + 'static;
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[Data]) -> Vec<Data> + Send + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Connector as DhtConnector`
[INFO] [stderr]   --> src/dht/search.rs:25:24
[INFO] [stderr]    |
[INFO] [stderr] 25 | use crate::connector::{Connector as DhtConnector, request_all};
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/connector/mod.rs:26:77
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl <Id, Info, Data, ReqId, Ctx> Connector<Id, Info, Data, ReqId, Ctx> for rr_mux::Connector<ReqId, Entry<Id, Info>, Request<Id, Data>, Response<Id, Info, Data>, Error, Ctx> 
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn rr_mux::Connector<ReqId, Entry<Id, Info>, Request<Id, Data>, Response<Id, Info, Data>, Error, Ctx>`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/dht/mod.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |             let mut flat_data: Vec<Data> = data.iter().flat_map(|(_k, v)| v.clone() ).collect();
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/dht/mod.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |             let mut flat_data: Vec<Data> = data.iter().flat_map(|(_k, v)| v.clone() ).collect();
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/store/hashmapstore.rs:70:21
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 let mut existing = o.into_mut();
[INFO] [stderr]    |                     ----^^^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `value`
[INFO] [stderr]   --> src/store/hashmapstore.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     value: Data,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `meta`
[INFO] [stderr]   --> src/store/hashmapstore.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     meta: Meta,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dht`
[INFO] [stderr]    --> src/lib.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 |         let dht = Dht::<NodeId, Info, Data, RequestId, _, _, _, _>::standard(n1.id().clone(), Config::default(), dht_mux);
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_dht`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/store/hashmapstore.rs:70:21
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 let mut existing = o.into_mut();
[INFO] [stderr]    |                     ----^^^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/dht/mod.rs:299:13
[INFO] [stderr]     |
[INFO] [stderr] 299 |         let mut $dht = Dht::<[u8; 1], u64, _, u64, _, _, _, ()>::new($root.id().clone(), 
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 452 |         mock_dht!(connector, root, dht);
[INFO] [stderr]     |         -------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `value`
[INFO] [stderr]   --> src/store/hashmapstore.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     value: Data,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `meta`
[INFO] [stderr]   --> src/store/hashmapstore.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     meta: Meta,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/main.rs:93:17
[INFO] [stderr]    |
[INFO] [stderr] 93 |             Box<Future<Item=(Response<Id, Info, Data>, Ctx), Error=Error> + Send + 'static> {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=(Response<Id, Info, Data>, Ctx), Error=Error> + Send + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> tests/main.rs:96:24
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let mut peer = { self.peers.lock().unwrap().remove(to.id()).unwrap() };
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/main.rs:105:116
[INFO] [stderr]     |
[INFO] [stderr] 105 |     fn respond(&mut self, _ctx: Ctx, _req_id: ReqId, _to: Entry<Id, Info>, _resp: Response<Id, Info, Data>) -> Box<Future<Item=(), Error=Error> + Send + 'static> {
[INFO] [stderr]     |                                                                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=(), Error=Error> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> tests/main.rs:132:24
[INFO] [stderr]     |
[INFO] [stderr] 132 |         let mut peer = { mgr.peers.lock().unwrap().remove(n.id()).unwrap() };
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> tests/main.rs:147:28
[INFO] [stderr]     |
[INFO] [stderr] 147 |             let mut peer = { mgr.peers.lock().unwrap().remove(n1.id()).unwrap() };
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> tests/main.rs:159:24
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let mut peer = { mgr.peers.lock().unwrap().remove(n0.id()).unwrap() };
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> tests/main.rs:170:24
[INFO] [stderr]     |
[INFO] [stderr] 170 |         let mut peer = { mgr.peers.lock().unwrap().remove(n.id()).unwrap() };
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.89s
[INFO] running `"docker" "inspect" "23d286db62028ce20a451419a7dbb08af88b419959e80e859042de1f14397283"`
[INFO] running `"docker" "rm" "-f" "23d286db62028ce20a451419a7dbb08af88b419959e80e859042de1f14397283"`
[INFO] [stdout] 23d286db62028ce20a451419a7dbb08af88b419959e80e859042de1f14397283
