[INFO] fetching crate o2lsh 0.1.0...
[INFO] checking o2lsh-0.1.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate o2lsh 0.1.0 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate o2lsh 0.1.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-68/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7cd9294c4efbe19780185102ec6b6400cb5eb5fb79bb49f49139a4cccb3a192
[INFO] running `Command { std: "docker" "start" "-a" "e7cd9294c4efbe19780185102ec6b6400cb5eb5fb79bb49f49139a4cccb3a192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7cd9294c4efbe19780185102ec6b6400cb5eb5fb79bb49f49139a4cccb3a192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7cd9294c4efbe19780185102ec6b6400cb5eb5fb79bb49f49139a4cccb3a192", kill_on_drop: false }`
[INFO] [stdout] e7cd9294c4efbe19780185102ec6b6400cb5eb5fb79bb49f49139a4cccb3a192
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d21aae0c849a9a1ef82a5f448a658d7e38c55b04657971bf307bc57ad5d8efb
[INFO] running `Command { std: "docker" "start" "-a" "9d21aae0c849a9a1ef82a5f448a658d7e38c55b04657971bf307bc57ad5d8efb", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling ndarray v0.9.1
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking revord v0.0.2
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rayon v0.7.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking 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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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/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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: 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: 11 warnings emitted
[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] [stdout] error[E0603]: trait `LSHTable` is private
[INFO] [stdout]   --> benches/mnist_benchmark.rs:31:35
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let hash_table: o2lsh::table::LSHTable<Vec<f32>, Fn(&Vec<f32>) -> f32> = o2lsh::table::LSHTable::new_build(&mnist_data, hash_boxes, &...
[INFO] [stdout]    |                                   ^^^^^^^^ private trait
[INFO] [stdout]    |
[INFO] [stdout] note: the trait `LSHTable` is defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/table.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use super::lshtable::LSHTable;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: trait `LSHTable` is private
[INFO] [stdout]   --> benches/mnist_benchmark.rs:31:92
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let hash_table: o2lsh::table::LSHTable<Vec<f32>, Fn(&Vec<f32>) -> f32> = o2lsh::table::LSHTable::new_build(&mnist_data, hash_boxes, &...
[INFO] [stdout]    |                                                                                            ^^^^^^^^ private trait
[INFO] [stdout]    |
[INFO] [stdout] note: the trait `LSHTable` is defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/table.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use super::lshtable::LSHTable;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: trait `LSHTable` is private
[INFO] [stdout]   --> benches/mnist_benchmark.rs:68:39
[INFO] [stdout]    |
[INFO] [stdout] 68 | ...   let hash_table: o2lsh::table::LSHTable<Vec<f32>, Fn(&Vec<f32>) -> f32> = o2lsh::table::LSHTable::new_build(&mnist_data, hash_boxes,...
[INFO] [stdout]    |                                     ^^^^^^^^ private trait
[INFO] [stdout]    |
[INFO] [stdout] note: the trait `LSHTable` is defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/table.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use super::lshtable::LSHTable;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: trait `LSHTable` is private
[INFO] [stdout]   --> benches/mnist_benchmark.rs:68:96
[INFO] [stdout]    |
[INFO] [stdout] 68 | ...   let hash_table: o2lsh::table::LSHTable<Vec<f32>, Fn(&Vec<f32>) -> f32> = o2lsh::table::LSHTable::new_build(&mnist_data, hash_boxes,...
[INFO] [stdout]    |                                                                                              ^^^^^^^^ private trait
[INFO] [stdout]    |
[INFO] [stdout] note: the trait `LSHTable` is defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/table.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use super::lshtable::LSHTable;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/mnist_benchmark.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> benches/mnist_benchmark.rs:31:21
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let hash_table: o2lsh::table::LSHTable<Vec<f32>, Fn(&Vec<f32>) -> f32> = o2lsh::table::LSHTable::new_build(&mnist_data, hash_boxes, &...
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn o2lsh::table::LSHTable<Vec<f32>, Fn(&Vec<f32>) -> f32>`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> benches/mnist_benchmark.rs:31:54
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let hash_table: o2lsh::table::LSHTable<Vec<f32>, Fn(&Vec<f32>) -> f32> = o2lsh::table::LSHTable::new_build(&mnist_data, hash_boxes, &...
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<f32>) -> f32`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> benches/mnist_benchmark.rs:68:25
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let hash_table: o2lsh::table::LSHTable<Vec<f32>, Fn(&Vec<f32>) -> f32> = o2lsh::table::LSHTable::new_build(&mnist_data, hash_boxe...
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn o2lsh::table::LSHTable<Vec<f32>, Fn(&Vec<f32>) -> f32>`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> benches/mnist_benchmark.rs:68:58
[INFO] [stdout]    |
[INFO] [stdout] 68 | ...   let hash_table: o2lsh::table::LSHTable<Vec<f32>, Fn(&Vec<f32>) -> f32> = o2lsh::table::LSHTable::new_build(&mnist_data, hash_boxes,...
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<f32>) -> f32`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new_build` found for trait object `dyn LSHTable<'_, _, _>` in the current scope
[INFO] [stdout]   --> benches/mnist_benchmark.rs:31:102
[INFO] [stdout]    |
[INFO] [stdout] 31 | ...2> = o2lsh::table::LSHTable::new_build(&mnist_data, hash_boxes, &ms);
[INFO] [stdout]    |                                 ^^^^^^^^^ function or associated item not found in `dyn LSHTable<'_, _, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the `query_multiprobe` method cannot be invoked on a trait object
[INFO] [stdout]   --> benches/mnist_benchmark.rs:35:24
[INFO] [stdout]    |
[INFO] [stdout] 35 |             hash_table.query_multiprobe(vec, 10);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lshtable.rs:1:27
[INFO] [stdout]    |
[INFO] [stdout] 1  | pub trait LSHTable<'a, T, O> : Sync + Send {
[INFO] [stdout]    |                           - this has a `Sized` requirement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new_build` found for trait object `dyn LSHTable<'_, _, _>` in the current scope
[INFO] [stdout]   --> benches/mnist_benchmark.rs:68:106
[INFO] [stdout]    |
[INFO] [stdout] 68 | ...2> = o2lsh::table::LSHTable::new_build(&mnist_data, hash_boxes, &ms);
[INFO] [stdout]    |                                 ^^^^^^^^^ function or associated item not found in `dyn LSHTable<'_, _, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `dyn LSHTable<'_, Vec<f32>, dyn for<'r> Fn(&'r Vec<f32>) -> f32>` cannot be known at compilation time
[INFO] [stdout]   --> benches/mnist_benchmark.rs:69:30
[INFO] [stdout]    |
[INFO] [stdout] 69 |         all_tables.add_table(hash_table);
[INFO] [stdout]    |                              ^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sized` is not implemented for `dyn LSHTable<'_, Vec<f32>, dyn for<'r> Fn(&'r Vec<f32>) -> f32>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `dyn LSHTable<'_, Vec<f32>, dyn for<'r> Fn(&'r Vec<f32>) -> f32>: LSHTable<'_, _, f32>` is not satisfied
[INFO] [stdout]   --> benches/mnist_benchmark.rs:69:30
[INFO] [stdout]    |
[INFO] [stdout] 69 |         all_tables.add_table(hash_table);
[INFO] [stdout]    |                              ^^^^^^^^^^ the trait `LSHTable<'_, _, f32>` is not implemented for `dyn LSHTable<'_, Vec<f32>, dyn for<'r> Fn(&'r Vec<f32>) -> f32>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `dyn LSHTable<'_, Vec<f32>, dyn for<'r> Fn(&'r Vec<f32>) -> f32>` cannot be known at compilation time
[INFO] [stdout]   --> benches/mnist_benchmark.rs:64:26
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let mut all_tables = o2lsh::lsh::LSHLookup::new();
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sized` is not implemented for `dyn LSHTable<'_, Vec<f32>, dyn for<'r> Fn(&'r Vec<f32>) -> f32>`
[INFO] [stdout] note: required by `LSHLookup::<'a, T, f32, L>::new`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lsh.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new()-> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `dyn LSHTable<'_, Vec<f32>, dyn for<'r> Fn(&'r Vec<f32>) -> f32>: LSHTable<'_, _, f32>` is not satisfied
[INFO] [stdout]   --> benches/mnist_benchmark.rs:64:26
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let mut all_tables = o2lsh::lsh::LSHLookup::new();
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `LSHTable<'_, _, f32>` is not implemented for `dyn LSHTable<'_, Vec<f32>, dyn for<'r> Fn(&'r Vec<f32>) -> f32>`
[INFO] [stdout]    |
[INFO] [stdout] note: required by `LSHLookup::<'a, T, f32, L>::new`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lsh.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new()-> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `dyn LSHTable<'_, Vec<f32>, dyn for<'r> Fn(&'r Vec<f32>) -> f32>` cannot be known at compilation time
[INFO] [stdout]   --> benches/mnist_benchmark.rs:64:26
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let mut all_tables = o2lsh::lsh::LSHLookup::new();
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sized` is not implemented for `dyn LSHTable<'_, Vec<f32>, dyn for<'r> Fn(&'r Vec<f32>) -> f32>`
[INFO] [stdout] note: required by a bound in `LSHLookup`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lsh.rs:9:37
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct LSHLookup<'a, T: 'a, O:, L: LSHTable<'a, T, O>> {
[INFO] [stdout]    |                                     ^ required by this bound in `LSHLookup`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `dyn LSHTable<'_, Vec<f32>, dyn for<'r> Fn(&'r Vec<f32>) -> f32>: LSHTable<'_, _, f32>` is not satisfied
[INFO] [stdout]   --> benches/mnist_benchmark.rs:64:26
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let mut all_tables = o2lsh::lsh::LSHLookup::new();
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^ the trait `LSHTable<'_, _, f32>` is not implemented for `dyn LSHTable<'_, Vec<f32>, dyn for<'r> Fn(&'r Vec<f32>) -> f32>`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `LSHLookup`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lsh.rs:9:40
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct LSHLookup<'a, T: 'a, O:, L: LSHTable<'a, T, O>> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^ required by this bound in `LSHLookup`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `query_vec` exists for struct `LSHLookup<'_, _, f32, dyn LSHTable<'_, Vec<f32>, dyn for<'r> Fn(&'r Vec<f32>) -> f32>>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> benches/mnist_benchmark.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout] 74 |             all_tables.query_vec(vec, 10);
[INFO] [stdout]    |                        ^^^^^^^^^ method cannot be called on `LSHLookup<'_, _, f32, dyn LSHTable<'_, Vec<f32>, dyn for<'r> Fn(&'r Vec<f32>) -> f32>>` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lshtable.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | pub trait LSHTable<'a, T, O> : Sync + Send {
[INFO] [stdout]    | ------------------------------------------
[INFO] [stdout]    | |
[INFO] [stdout]    | doesn't satisfy `_: LSHTable<_, f32>`
[INFO] [stdout]    | doesn't satisfy `_: Sized`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `dyn LSHTable<'_, Vec<f32>, dyn for<'r> Fn(&'r Vec<f32>) -> f32>: Sized`
[INFO] [stdout]            `dyn LSHTable<'_, Vec<f32>, dyn for<'r> Fn(&'r Vec<f32>) -> f32>: LSHTable<_, f32>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 15 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0554, E0599, E0603.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `o2lsh` due to 16 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9d21aae0c849a9a1ef82a5f448a658d7e38c55b04657971bf307bc57ad5d8efb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d21aae0c849a9a1ef82a5f448a658d7e38c55b04657971bf307bc57ad5d8efb", kill_on_drop: false }`
[INFO] [stdout] 9d21aae0c849a9a1ef82a5f448a658d7e38c55b04657971bf307bc57ad5d8efb
