[INFO] fetching crate hash-rings 1.0.0...
[INFO] checking hash-rings-1.0.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate hash-rings 1.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate hash-rings 1.0.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hash-rings 1.0.0
[INFO] finished tweaking crates.io crate hash-rings 1.0.0
[INFO] tweaked toml for crates.io crate hash-rings 1.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-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=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] 2a28293882a3e8a7c7526fabf36027f4f9c776c5a3e35669818afd19e174c2e0
[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" "2a28293882a3e8a7c7526fabf36027f4f9c776c5a3e35669818afd19e174c2e0"`
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking primal-estimate v0.2.1
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking primal-bit v0.2.4
[INFO] [stderr]     Checking primal-sieve v0.2.9
[INFO] [stderr]     Checking primal-check v0.2.3
[INFO] [stderr]     Checking primal v0.2.3
[INFO] [stderr]     Checking hash-rings v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/carp.rs:276:25
[INFO] [stderr]     |
[INFO] [stderr] 276 |     type IntoIter = Box<Iterator<Item = (&'a T, f64)> + 'a>;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (&'a T, f64)> + '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/consistent.rs:224:25
[INFO] [stderr]     |
[INFO] [stderr] 224 |     type IntoIter = Box<Iterator<Item = (&'a T, usize)> + 'a>;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (&'a T, usize)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/consistent.rs:543:25
[INFO] [stderr]     |
[INFO] [stderr] 543 |     type IntoIter = Box<Iterator<Item = (&'a T, Vec<&'a U>)> + 'a>;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (&'a T, Vec<&'a U>)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/maglev.rs:203:25
[INFO] [stderr]     |
[INFO] [stderr] 203 |     type IntoIter = Box<Iterator<Item = &'a T> + 'a>;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a T> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mpc.rs:232:25
[INFO] [stderr]     |
[INFO] [stderr] 232 |     type IntoIter = Box<Iterator<Item = &'a T> + 'a>;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a T> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rendezvous.rs:203:25
[INFO] [stderr]     |
[INFO] [stderr] 203 |     type IntoIter = Box<Iterator<Item = (&'a T, usize)> + 'a>;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (&'a T, usize)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rendezvous.rs:517:25
[INFO] [stderr]     |
[INFO] [stderr] 517 |     type IntoIter = Box<Iterator<Item = (&'a T, Vec<&'a U>)> + 'a>;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (&'a T, Vec<&'a U>)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/weighted_rendezvous.rs:197:25
[INFO] [stderr]     |
[INFO] [stderr] 197 |     type IntoIter = Box<Iterator<Item = (&'a T, f64)> + 'a>;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (&'a T, f64)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/weighted_rendezvous.rs:502:25
[INFO] [stderr]     |
[INFO] [stderr] 502 |     type IntoIter = Box<Iterator<Item = (&'a T, Vec<&'a U>)> + 'a>;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (&'a T, Vec<&'a U>)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/carp.rs:276:25
[INFO] [stderr]     |
[INFO] [stderr] 276 |     type IntoIter = Box<Iterator<Item = (&'a T, f64)> + 'a>;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (&'a T, f64)> + '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/consistent.rs:224:25
[INFO] [stderr]     |
[INFO] [stderr] 224 |     type IntoIter = Box<Iterator<Item = (&'a T, usize)> + 'a>;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (&'a T, usize)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/consistent.rs:543:25
[INFO] [stderr]     |
[INFO] [stderr] 543 |     type IntoIter = Box<Iterator<Item = (&'a T, Vec<&'a U>)> + 'a>;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (&'a T, Vec<&'a U>)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/maglev.rs:203:25
[INFO] [stderr]     |
[INFO] [stderr] 203 |     type IntoIter = Box<Iterator<Item = &'a T> + 'a>;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a T> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mpc.rs:232:25
[INFO] [stderr]     |
[INFO] [stderr] 232 |     type IntoIter = Box<Iterator<Item = &'a T> + 'a>;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a T> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rendezvous.rs:203:25
[INFO] [stderr]     |
[INFO] [stderr] 203 |     type IntoIter = Box<Iterator<Item = (&'a T, usize)> + 'a>;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (&'a T, usize)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rendezvous.rs:517:25
[INFO] [stderr]     |
[INFO] [stderr] 517 |     type IntoIter = Box<Iterator<Item = (&'a T, Vec<&'a U>)> + 'a>;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (&'a T, Vec<&'a U>)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/weighted_rendezvous.rs:197:25
[INFO] [stderr]     |
[INFO] [stderr] 197 |     type IntoIter = Box<Iterator<Item = (&'a T, f64)> + 'a>;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (&'a T, f64)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/weighted_rendezvous.rs:502:25
[INFO] [stderr]     |
[INFO] [stderr] 502 |     type IntoIter = Box<Iterator<Item = (&'a T, Vec<&'a U>)> + 'a>;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (&'a T, Vec<&'a U>)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/consistent.rs:368:29
[INFO] [stderr]     |
[INFO] [stderr] 368 |                 if let Some(mut points) = self.data.remove(&hash) {
[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/consistent.rs:368:29
[INFO] [stderr]     |
[INFO] [stderr] 368 |                 if let Some(mut points) = self.data.remove(&hash) {
[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]     Finished dev [unoptimized + debuginfo] target(s) in 4.15s
[INFO] running `"docker" "inspect" "2a28293882a3e8a7c7526fabf36027f4f9c776c5a3e35669818afd19e174c2e0"`
[INFO] running `"docker" "rm" "-f" "2a28293882a3e8a7c7526fabf36027f4f9c776c5a3e35669818afd19e174c2e0"`
[INFO] [stdout] 2a28293882a3e8a7c7526fabf36027f4f9c776c5a3e35669818afd19e174c2e0