[INFO] crate hash-rings 1.0.0 is already in cache
[INFO] extracting crate hash-rings 1.0.0 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/hash-rings/1.0.0
[INFO] extracting crate hash-rings 1.0.0 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/hash-rings/1.0.0
[INFO] validating manifest of hash-rings-1.0.0 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hash-rings-1.0.0 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hash-rings-1.0.0
[INFO] finished frobbing hash-rings-1.0.0
[INFO] frobbed toml for hash-rings-1.0.0 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/hash-rings/1.0.0/Cargo.toml
[INFO] started frobbing hash-rings-1.0.0
[INFO] finished frobbing hash-rings-1.0.0
[INFO] frobbed toml for hash-rings-1.0.0 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/hash-rings/1.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking hash-rings-1.0.0 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-1/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/hash-rings/1.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fb7e8b6f109cfff98d064d2379346d46337e75e647171708d10f631192247a67
[INFO] running `"docker" "start" "-a" "fb7e8b6f109cfff98d064d2379346d46337e75e647171708d10f631192247a67"`
[INFO] [stderr]     Checking hash-rings v1.0.0 (/opt/crater/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 1.93s
[INFO] running `"docker" "inspect" "fb7e8b6f109cfff98d064d2379346d46337e75e647171708d10f631192247a67"`
[INFO] running `"docker" "rm" "-f" "fb7e8b6f109cfff98d064d2379346d46337e75e647171708d10f631192247a67"`
[INFO] [stdout] fb7e8b6f109cfff98d064d2379346d46337e75e647171708d10f631192247a67