[INFO] fetching crate o2lsh 0.1.0...
[INFO] testing o2lsh-0.1.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate o2lsh 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate o2lsh 0.1.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate o2lsh 0.1.0
[INFO] finished tweaking crates.io crate o2lsh 0.1.0
[INFO] tweaked toml for crates.io crate o2lsh 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77a8bb6de97f50dbcec05cf025f0ca64d569c7e76eac8b6bf0a3ca719ca59106
[INFO] running `Command { std: "docker" "start" "-a" "77a8bb6de97f50dbcec05cf025f0ca64d569c7e76eac8b6bf0a3ca719ca59106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77a8bb6de97f50dbcec05cf025f0ca64d569c7e76eac8b6bf0a3ca719ca59106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77a8bb6de97f50dbcec05cf025f0ca64d569c7e76eac8b6bf0a3ca719ca59106", kill_on_drop: false }`
[INFO] [stdout] 77a8bb6de97f50dbcec05cf025f0ca64d569c7e76eac8b6bf0a3ca719ca59106
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf28d52e2dd046d0127285eff2f1b683fed94b6282a1f2117b0c1b7cbedd11cb
[INFO] running `Command { std: "docker" "start" "-a" "bf28d52e2dd046d0127285eff2f1b683fed94b6282a1f2117b0c1b7cbedd11cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling ndarray v0.9.1
[INFO] [stderr]    Compiling revord v0.0.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rayon v0.7.1
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling o2lsh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/table.rs:65:29
[INFO] [stdout]    |
[INFO] [stdout] 65 |     hash_functions: Vec<Box<Fn(&'a T) -> O + Sync + Send>>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a T) -> O + Sync + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/table.rs:104:47
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn new(data: &'a [T], hashes: Vec<Box<Fn(&'a T) -> f32 + Sync + Send>>, ms: &'a [Vec<usize>]) -> Self {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a T) -> f32 + Sync + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/table.rs:130:53
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn new_build(data: &'a [T], hashes: Vec<Box<Fn(&'a T) -> f32 + Sync + Send>>, ms: &'a [Vec<usize>]) -> Self {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a T) -> f32 + Sync + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hashes.rs:16:55
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn get_hash_closure(length: usize, w: f32) -> Box<Fn(&Vec<f32>) -> f32 + Send + Sync> {
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<f32>) -> f32 + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let f = try!(File::open(path));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:49:31
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 line_vec[j] = try!(br.read_f32::<LittleEndian>());
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let f = try!(File::open(path));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:64:31
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 line_vec[j] = try!(br.read_i32::<LittleEndian>());
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/multi.rs:23:48
[INFO] [stdout]    |
[INFO] [stdout] 23 |             vec![((i, 1), bucket_distance(*fi, (*hi as f32), 1, W)),
[INFO] [stdout]    |                                                ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/multi.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |                  ((i, -1), bucket_distance(*fi, (*hi as f32), -1, W))]
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/table.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |             let mut bucket_chain = &mut (x_to_build.buckets[bucket_ind]);
[INFO] [stdout]     |                 ----^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.47s
[INFO] running `Command { std: "docker" "inspect" "bf28d52e2dd046d0127285eff2f1b683fed94b6282a1f2117b0c1b7cbedd11cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf28d52e2dd046d0127285eff2f1b683fed94b6282a1f2117b0c1b7cbedd11cb", kill_on_drop: false }`
[INFO] [stdout] bf28d52e2dd046d0127285eff2f1b683fed94b6282a1f2117b0c1b7cbedd11cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5d159fd17985c9f9dba1ac8f80aefd4a3b87a68f35200a039c99e5af1ceb40e
[INFO] running `Command { std: "docker" "start" "-a" "e5d159fd17985c9f9dba1ac8f80aefd4a3b87a68f35200a039c99e5af1ceb40e", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/table.rs:65:29
[INFO] [stdout]    |
[INFO] [stdout] 65 |     hash_functions: Vec<Box<Fn(&'a T) -> O + Sync + Send>>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a T) -> O + Sync + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling o2lsh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/table.rs:104:47
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn new(data: &'a [T], hashes: Vec<Box<Fn(&'a T) -> f32 + Sync + Send>>, ms: &'a [Vec<usize>]) -> Self {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a T) -> f32 + Sync + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/table.rs:130:53
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn new_build(data: &'a [T], hashes: Vec<Box<Fn(&'a T) -> f32 + Sync + Send>>, ms: &'a [Vec<usize>]) -> Self {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a T) -> f32 + Sync + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hashes.rs:16:55
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn get_hash_closure(length: usize, w: f32) -> Box<Fn(&Vec<f32>) -> f32 + Send + Sync> {
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<f32>) -> f32 + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let f = try!(File::open(path));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:49:31
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 line_vec[j] = try!(br.read_f32::<LittleEndian>());
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let f = try!(File::open(path));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:64:31
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 line_vec[j] = try!(br.read_i32::<LittleEndian>());
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/multi.rs:23:48
[INFO] [stdout]    |
[INFO] [stdout] 23 |             vec![((i, 1), bucket_distance(*fi, (*hi as f32), 1, W)),
[INFO] [stdout]    |                                                ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/multi.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |                  ((i, -1), bucket_distance(*fi, (*hi as f32), -1, W))]
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/table.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |             let mut bucket_chain = &mut (x_to_build.buckets[bucket_ind]);
[INFO] [stdout]     |                 ----^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/table.rs:65:29
[INFO] [stdout]    |
[INFO] [stdout] 65 |     hash_functions: Vec<Box<Fn(&'a T) -> O + Sync + Send>>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a T) -> O + Sync + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/table.rs:104:47
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn new(data: &'a [T], hashes: Vec<Box<Fn(&'a T) -> f32 + Sync + Send>>, ms: &'a [Vec<usize>]) -> Self {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a T) -> f32 + Sync + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/table.rs:130:53
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn new_build(data: &'a [T], hashes: Vec<Box<Fn(&'a T) -> f32 + Sync + Send>>, ms: &'a [Vec<usize>]) -> Self {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a T) -> f32 + Sync + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/table.rs:219:28
[INFO] [stdout]     |
[INFO] [stdout] 219 |         let funcs: Vec<Box<Fn(&Vec<f32>) -> f32 + Send + Sync>> = vec![Box::new(val)];
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<f32>) -> f32 + Send + Sync`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/table.rs:233:28
[INFO] [stdout]     |
[INFO] [stdout] 233 |         let funcs: Vec<Box<Fn(&Vec<f32>) -> f32 + Send + Sync>> = vec![Box::new(val)];
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<f32>) -> f32 + Send + Sync`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/table.rs:247:28
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let funcs: Vec<Box<Fn(&Vec<f32>) -> f32 + Send + Sync>> = vec![Box::new(val)];
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<f32>) -> f32 + Send + Sync`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/table.rs:263:28
[INFO] [stdout]     |
[INFO] [stdout] 263 | ...   let funcs: Vec<Box<Fn(&Vec<f32>) -> f32 + Send + Sync>> = (1..num_hashes).map(|_| hashes::get_hash_closure(vec_length, 10.0)).colle...
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<f32>) -> f32 + Send + Sync`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/table.rs:289:28
[INFO] [stdout]     |
[INFO] [stdout] 289 |         let funcs: Vec<Box<Fn(&Vec<f32>) -> f32 + Send + Sync>> = vec![Box::new(val)];
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<f32>) -> f32 + Send + Sync`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hashes.rs:16:55
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn get_hash_closure(length: usize, w: f32) -> Box<Fn(&Vec<f32>) -> f32 + Send + Sync> {
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<f32>) -> f32 + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let f = try!(File::open(path));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:49:31
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 line_vec[j] = try!(br.read_f32::<LittleEndian>());
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let f = try!(File::open(path));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:64:31
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 line_vec[j] = try!(br.read_i32::<LittleEndian>());
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/multi.rs:23:48
[INFO] [stdout]    |
[INFO] [stdout] 23 |             vec![((i, 1), bucket_distance(*fi, (*hi as f32), 1, W)),
[INFO] [stdout]    |                                                ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/multi.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |                  ((i, -1), bucket_distance(*fi, (*hi as f32), -1, W))]
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lsh.rs:88:32
[INFO] [stdout]    |
[INFO] [stdout] 88 |             let funcs: Vec<Box<Fn(&Vec<i32>) -> f32 + Send + Sync>> = vec![Box::new(val)];
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<i32>) -> f32 + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lsh.rs:112:32
[INFO] [stdout]     |
[INFO] [stdout] 112 |             let funcs: Vec<Box<Fn(&Vec<i32>) -> f32 + Send + Sync>> = vec![Box::new(val)];
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<i32>) -> f32 + Send + Sync`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/table.rs:222:13
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let x = StandardLSHTable::new(&test_data, funcs, &ms);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/table.rs:235:13
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let x = StandardLSHTable::new_build(&test_data, funcs, &ms);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/multi.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let z: Vec<_> = ii.take(3).collect();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/table.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |             let mut bucket_chain = &mut (x_to_build.buckets[bucket_ind]);
[INFO] [stdout]     |                 ----^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "e5d159fd17985c9f9dba1ac8f80aefd4a3b87a68f35200a039c99e5af1ceb40e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5d159fd17985c9f9dba1ac8f80aefd4a3b87a68f35200a039c99e5af1ceb40e", kill_on_drop: false }`
[INFO] [stdout] e5d159fd17985c9f9dba1ac8f80aefd4a3b87a68f35200a039c99e5af1ceb40e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 12d56dd4bedb873d74a3aca22fc24757a60a455f971703cf916e441d6bb9fed9
[INFO] running `Command { std: "docker" "start" "-a" "12d56dd4bedb873d74a3aca22fc24757a60a455f971703cf916e441d6bb9fed9", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/table.rs:65:29
[INFO] [stderr]    |
[INFO] [stderr] 65 |     hash_functions: Vec<Box<Fn(&'a T) -> O + Sync + Send>>,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a T) -> O + Sync + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/table.rs:104:47
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn new(data: &'a [T], hashes: Vec<Box<Fn(&'a T) -> f32 + Sync + Send>>, ms: &'a [Vec<usize>]) -> Self {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a T) -> f32 + Sync + Send`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/table.rs:130:53
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub fn new_build(data: &'a [T], hashes: Vec<Box<Fn(&'a T) -> f32 + Sync + Send>>, ms: &'a [Vec<usize>]) -> Self {
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a T) -> f32 + Sync + Send`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hashes.rs:16:55
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn get_hash_closure(length: usize, w: f32) -> Box<Fn(&Vec<f32>) -> f32 + Send + Sync> {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<f32>) -> f32 + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let f = try!(File::open(path));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:49:31
[INFO] [stderr]    |
[INFO] [stderr] 49 |                 line_vec[j] = try!(br.read_f32::<LittleEndian>());
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let f = try!(File::open(path));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:64:31
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 line_vec[j] = try!(br.read_i32::<LittleEndian>());
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/multi.rs:23:48
[INFO] [stderr]    |
[INFO] [stderr] 23 |             vec![((i, 1), bucket_distance(*fi, (*hi as f32), 1, W)),
[INFO] [stderr]    |                                                ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/multi.rs:24:49
[INFO] [stderr]    |
[INFO] [stderr] 24 |                  ((i, -1), bucket_distance(*fi, (*hi as f32), -1, W))]
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/table.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |             let mut bucket_chain = &mut (x_to_build.buckets[bucket_ind]);
[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: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/table.rs:65:29
[INFO] [stderr]    |
[INFO] [stderr] 65 |     hash_functions: Vec<Box<Fn(&'a T) -> O + Sync + Send>>,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a T) -> O + Sync + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/table.rs:104:47
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn new(data: &'a [T], hashes: Vec<Box<Fn(&'a T) -> f32 + Sync + Send>>, ms: &'a [Vec<usize>]) -> Self {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a T) -> f32 + Sync + Send`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/table.rs:130:53
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub fn new_build(data: &'a [T], hashes: Vec<Box<Fn(&'a T) -> f32 + Sync + Send>>, ms: &'a [Vec<usize>]) -> Self {
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a T) -> f32 + Sync + Send`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/table.rs:219:28
[INFO] [stderr]     |
[INFO] [stderr] 219 |         let funcs: Vec<Box<Fn(&Vec<f32>) -> f32 + Send + Sync>> = vec![Box::new(val)];
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<f32>) -> f32 + Send + Sync`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/table.rs:233:28
[INFO] [stderr]     |
[INFO] [stderr] 233 |         let funcs: Vec<Box<Fn(&Vec<f32>) -> f32 + Send + Sync>> = vec![Box::new(val)];
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<f32>) -> f32 + Send + Sync`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/table.rs:247:28
[INFO] [stderr]     |
[INFO] [stderr] 247 |         let funcs: Vec<Box<Fn(&Vec<f32>) -> f32 + Send + Sync>> = vec![Box::new(val)];
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<f32>) -> f32 + Send + Sync`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/table.rs:263:28
[INFO] [stderr]     |
[INFO] [stderr] 263 | ...   let funcs: Vec<Box<Fn(&Vec<f32>) -> f32 + Send + Sync>> = (1..num_hashes).map(|_| hashes::get_hash_closure(vec_length, 10.0)).colle...
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<f32>) -> f32 + Send + Sync`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/table.rs:289:28
[INFO] [stderr]     |
[INFO] [stderr] 289 |         let funcs: Vec<Box<Fn(&Vec<f32>) -> f32 + Send + Sync>> = vec![Box::new(val)];
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<f32>) -> f32 + Send + Sync`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hashes.rs:16:55
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn get_hash_closure(length: usize, w: f32) -> Box<Fn(&Vec<f32>) -> f32 + Send + Sync> {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<f32>) -> f32 + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let f = try!(File::open(path));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:49:31
[INFO] [stderr]    |
[INFO] [stderr] 49 |                 line_vec[j] = try!(br.read_f32::<LittleEndian>());
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let f = try!(File::open(path));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:64:31
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 line_vec[j] = try!(br.read_i32::<LittleEndian>());
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/multi.rs:23:48
[INFO] [stderr]    |
[INFO] [stderr] 23 |             vec![((i, 1), bucket_distance(*fi, (*hi as f32), 1, W)),
[INFO] [stderr]    |                                                ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/multi.rs:24:49
[INFO] [stderr]    |
[INFO] [stderr] 24 |                  ((i, -1), bucket_distance(*fi, (*hi as f32), -1, W))]
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lsh.rs:88:32
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let funcs: Vec<Box<Fn(&Vec<i32>) -> f32 + Send + Sync>> = vec![Box::new(val)];
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<i32>) -> f32 + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lsh.rs:112:32
[INFO] [stderr]     |
[INFO] [stderr] 112 |             let funcs: Vec<Box<Fn(&Vec<i32>) -> f32 + Send + Sync>> = vec![Box::new(val)];
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<i32>) -> f32 + Send + Sync`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/table.rs:222:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |         let x = StandardLSHTable::new(&test_data, funcs, &ms);
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/table.rs:235:13
[INFO] [stderr]     |
[INFO] [stderr] 235 |         let x = StandardLSHTable::new_build(&test_data, funcs, &ms);
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `z`
[INFO] [stderr]   --> src/multi.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |     let z: Vec<_> = ii.take(3).collect();
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/table.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |             let mut bucket_chain = &mut (x_to_build.buckets[bucket_ind]);
[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: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/o2lsh-5225ae431b591f29)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test lsh::tests::test_init_tables ... ok
[INFO] [stdout] test lsh::tests::test_query_tables ... ok
[INFO] [stdout] test multi::sorted_delta_test ... ok
[INFO] [stdout] test multi::test_expected_zj_squared ... ok
[INFO] [stdout] test multi::test_perturbation_iterator ... ok
[INFO] [stdout] test hashes::tests::test_get_normal ... ok
[INFO] [stdout] test util::tests::test_mnist_line_to_vector ... ok
[INFO] [stdout] test table::tests::test_init ... ok
[INFO] [stdout] test table::tests::test_new_build ... ok
[INFO] [stdout] test table::tests::test_query_multiprobe ... ok
[INFO] [stdout] test table::tests::test_with_real_funcs ... ok
[INFO] [stdout] test table::tests::test_query ... ok
[INFO] [stdout] test multi::test_perturbation_iterator_zj ... ok
[INFO] [stdout] test util::tests::test_read_fvecs_file ... ok
[INFO] [stdout] test util::tests::test_read_mnist_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.25s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests o2lsh
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> /opt/rustwide/workdir/src/multi.rs:23:48
[INFO] [stderr]    |
[INFO] [stderr] 23 |             vec![((i, 1), bucket_distance(*fi, (*hi as f32), 1, W)),
[INFO] [stderr]    |                                                ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> /opt/rustwide/workdir/src/multi.rs:24:49
[INFO] [stderr]    |
[INFO] [stderr] 24 |                  ((i, -1), bucket_distance(*fi, (*hi as f32), -1, W))]
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "12d56dd4bedb873d74a3aca22fc24757a60a455f971703cf916e441d6bb9fed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12d56dd4bedb873d74a3aca22fc24757a60a455f971703cf916e441d6bb9fed9", kill_on_drop: false }`
[INFO] [stdout] 12d56dd4bedb873d74a3aca22fc24757a60a455f971703cf916e441d6bb9fed9