[INFO] fetching crate bvrs 0.1.1...
[INFO] checking bvrs-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate bvrs 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate bvrs 0.1.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bvrs 0.1.1
[INFO] finished tweaking crates.io crate bvrs 0.1.1
[INFO] tweaked toml for crates.io crate bvrs 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 67 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding criterion v0.3.6 (latest: v0.5.1)
[INFO] [stderr]       Adding criterion-plot v0.4.5 (latest: v0.5.0)
[INFO] [stderr]       Adding half v1.8.3 (latest: v2.4.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83ecdcdbf617fa8a3e5361e77df87eaa2e0f5e31e29f3be271599de64cf887c6
[INFO] running `Command { std: "docker" "start" "-a" "83ecdcdbf617fa8a3e5361e77df87eaa2e0f5e31e29f3be271599de64cf887c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83ecdcdbf617fa8a3e5361e77df87eaa2e0f5e31e29f3be271599de64cf887c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83ecdcdbf617fa8a3e5361e77df87eaa2e0f5e31e29f3be271599de64cf887c6", kill_on_drop: false }`
[INFO] [stdout] 83ecdcdbf617fa8a3e5361e77df87eaa2e0f5e31e29f3be271599de64cf887c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 293b4ab8b48943236ae6111b8aa71142c239f6569bac0702ce2236f1f4cc93f8
[INFO] running `Command { std: "docker" "start" "-a" "293b4ab8b48943236ae6111b8aa71142c239f6569bac0702ce2236f1f4cc93f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking bvrs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/rank_support.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RankSupport`
[INFO] [stdout]  --> benches/rank_support/dummy_rank.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bvrs::{BitVec, RankSupport};
[INFO] [stdout]   |                    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> benches/rank_support/dummy_rank.rs:11:68
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let positions = RankSupportUtilities::uniform_sample_range((0..size), 1000);
[INFO] [stdout]    |                                                                    ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 -         let positions = RankSupportUtilities::uniform_sample_range((0..size), 1000);
[INFO] [stdout] 11 +         let positions = RankSupportUtilities::uniform_sample_range(0..size, 1000);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BitVec`, `RankSupport`
[INFO] [stdout]  --> benches/rank_support/overhead.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use bvrs::{BitVec, RankSupport};
[INFO] [stdout]   |                ^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> benches/rank_support/rank.rs:12:68
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let positions = RankSupportUtilities::uniform_sample_range((0..size), 1000);
[INFO] [stdout]    |                                                                    ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 12 -         let positions = RankSupportUtilities::uniform_sample_range((0..size), 1000);
[INFO] [stdout] 12 +         let positions = RankSupportUtilities::uniform_sample_range(0..size, 1000);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> benches/rank_support/utilities.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand;
[INFO] [stdout]   |     ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Distribution`, `Standard`
[INFO] [stdout]  --> benches/rank_support/utilities.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::distributions::{Distribution, Standard};
[INFO] [stdout]   |                           ^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> benches/rank_support/utilities.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dummy_rank::*`
[INFO] [stdout]  --> benches/rank_support/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use dummy_rank::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `generation::*`
[INFO] [stdout]  --> benches/rank_support/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use generation::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rank::*`
[INFO] [stdout]  --> benches/rank_support/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use rank::*;
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> benches/select_support/select.rs:14:70
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let positions = SelectSupportUtilities::uniform_sample_range((0..size), 1000);
[INFO] [stdout]    |                                                                      ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 14 -         let positions = SelectSupportUtilities::uniform_sample_range((0..size), 1000);
[INFO] [stdout] 14 +         let positions = SelectSupportUtilities::uniform_sample_range(0..size, 1000);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BitVec`, `RankSupport`
[INFO] [stdout]  --> benches/select_support/utilities.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bvrs::{BitVec, RankSupport, SelectSupport};
[INFO] [stdout]   |            ^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> benches/select_support/utilities.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand;
[INFO] [stdout]   |     ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Distribution`, `Standard`
[INFO] [stdout]  --> benches/select_support/utilities.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::distributions::{Distribution, Standard};
[INFO] [stdout]   |                           ^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `select::*`
[INFO] [stdout]  --> benches/select_support/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use select::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bvrs::SparseArray`
[INFO] [stdout]  --> benches/sparse_array/index.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bvrs::SparseArray;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> benches/sparse_array/index.rs:14:72
[INFO] [stdout]    |
[INFO] [stdout] 14 |             let positions = SparseArrayUtilities::uniform_sample_range((0..size), 1000);
[INFO] [stdout]    |                                                                        ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 14 -             let positions = SparseArrayUtilities::uniform_sample_range((0..size), 1000);
[INFO] [stdout] 14 +             let positions = SparseArrayUtilities::uniform_sample_range(0..size, 1000);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bvrs::SparseArray`
[INFO] [stdout]  --> benches/sparse_array/rank.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bvrs::SparseArray;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> benches/sparse_array/rank.rs:14:72
[INFO] [stdout]    |
[INFO] [stdout] 14 |             let positions = SparseArrayUtilities::uniform_sample_range((0..size), 1000);
[INFO] [stdout]    |                                                                        ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 14 -             let positions = SparseArrayUtilities::uniform_sample_range((0..size), 1000);
[INFO] [stdout] 14 +             let positions = SparseArrayUtilities::uniform_sample_range(0..size, 1000);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> benches/sparse_array/utilities.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand;
[INFO] [stdout]   |     ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `generation::*`
[INFO] [stdout]  --> benches/sparse_array/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use generation::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rank::*`
[INFO] [stdout]  --> benches/sparse_array/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use rank::*;
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `utilities::SparseArrayUtilities`
[INFO] [stdout]  --> benches/sparse_array/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use utilities::SparseArrayUtilities;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/rank_support.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]   --> src/sparse_array.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     use std::string::String;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `benchmark` is never used
[INFO] [stdout]  --> benches/sparse_array/index.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn benchmark(criterion: &mut Criterion) {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `benchmark` is never used
[INFO] [stdout]  --> benches/sparse_array/rank.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn benchmark(criterion: &mut Criterion) {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `uniform_sample_range`, `get_rank_sparse_array`, and `get_index_sparse_array` are never used
[INFO] [stdout]   --> benches/sparse_array/utilities.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl SparseArrayUtilities {
[INFO] [stdout]    | ------------------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn uniform_sample_range(range: Range<usize>, size: usize) -> Vec<usize> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn get_rank_sparse_array<T>(sa: &SparseArray<T>, positions: &Vec<usize>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn get_index_sparse_array<T>(sa: &SparseArray<T>, positions: &Vec<usize>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sparse_array.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let mut sa2: SparseArray<Point> =
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.47s
[INFO] running `Command { std: "docker" "inspect" "293b4ab8b48943236ae6111b8aa71142c239f6569bac0702ce2236f1f4cc93f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "293b4ab8b48943236ae6111b8aa71142c239f6569bac0702ce2236f1f4cc93f8", kill_on_drop: false }`
[INFO] [stdout] 293b4ab8b48943236ae6111b8aa71142c239f6569bac0702ce2236f1f4cc93f8
[INFO] checking bvrs-0.1.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate bvrs 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate bvrs 0.1.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bvrs 0.1.1
[INFO] finished tweaking crates.io crate bvrs 0.1.1
[INFO] tweaked toml for crates.io crate bvrs 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 949f30e632e685faa975765683cfbc6426fa624deeae917f2e1dbfb389d4199b
[INFO] running `Command { std: "docker" "start" "-a" "949f30e632e685faa975765683cfbc6426fa624deeae917f2e1dbfb389d4199b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "949f30e632e685faa975765683cfbc6426fa624deeae917f2e1dbfb389d4199b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "949f30e632e685faa975765683cfbc6426fa624deeae917f2e1dbfb389d4199b", kill_on_drop: false }`
[INFO] [stdout] 949f30e632e685faa975765683cfbc6426fa624deeae917f2e1dbfb389d4199b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82a17dc23518fd5297c0beff7bd114c37658c1ed4106d761e8b649dcc1e7ee29
[INFO] running `Command { std: "docker" "start" "-a" "82a17dc23518fd5297c0beff7bd114c37658c1ed4106d761e8b649dcc1e7ee29", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking bvrs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/rank_support.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RankSupport`
[INFO] [stdout]  --> benches/rank_support/dummy_rank.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bvrs::{BitVec, RankSupport};
[INFO] [stdout]   |                    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> benches/rank_support/dummy_rank.rs:11:68
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let positions = RankSupportUtilities::uniform_sample_range((0..size), 1000);
[INFO] [stdout]    |                                                                    ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 -         let positions = RankSupportUtilities::uniform_sample_range((0..size), 1000);
[INFO] [stdout] 11 +         let positions = RankSupportUtilities::uniform_sample_range(0..size, 1000);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BitVec`, `RankSupport`
[INFO] [stdout]  --> benches/rank_support/overhead.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use bvrs::{BitVec, RankSupport};
[INFO] [stdout]   |                ^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> benches/rank_support/rank.rs:12:68
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let positions = RankSupportUtilities::uniform_sample_range((0..size), 1000);
[INFO] [stdout]    |                                                                    ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 12 -         let positions = RankSupportUtilities::uniform_sample_range((0..size), 1000);
[INFO] [stdout] 12 +         let positions = RankSupportUtilities::uniform_sample_range(0..size, 1000);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> benches/rank_support/utilities.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand;
[INFO] [stdout]   |     ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Distribution`, `Standard`
[INFO] [stdout]  --> benches/rank_support/utilities.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::distributions::{Distribution, Standard};
[INFO] [stdout]   |                           ^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> benches/rank_support/utilities.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dummy_rank::*`
[INFO] [stdout]  --> benches/rank_support/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use dummy_rank::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `generation::*`
[INFO] [stdout]  --> benches/rank_support/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use generation::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rank::*`
[INFO] [stdout]  --> benches/rank_support/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use rank::*;
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> benches/select_support/select.rs:14:70
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let positions = SelectSupportUtilities::uniform_sample_range((0..size), 1000);
[INFO] [stdout]    |                                                                      ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 14 -         let positions = SelectSupportUtilities::uniform_sample_range((0..size), 1000);
[INFO] [stdout] 14 +         let positions = SelectSupportUtilities::uniform_sample_range(0..size, 1000);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BitVec`, `RankSupport`
[INFO] [stdout]  --> benches/select_support/utilities.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bvrs::{BitVec, RankSupport, SelectSupport};
[INFO] [stdout]   |            ^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> benches/select_support/utilities.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand;
[INFO] [stdout]   |     ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Distribution`, `Standard`
[INFO] [stdout]  --> benches/select_support/utilities.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::distributions::{Distribution, Standard};
[INFO] [stdout]   |                           ^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `select::*`
[INFO] [stdout]  --> benches/select_support/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use select::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bvrs::SparseArray`
[INFO] [stdout]  --> benches/sparse_array/index.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bvrs::SparseArray;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> benches/sparse_array/index.rs:14:72
[INFO] [stdout]    |
[INFO] [stdout] 14 |             let positions = SparseArrayUtilities::uniform_sample_range((0..size), 1000);
[INFO] [stdout]    |                                                                        ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 14 -             let positions = SparseArrayUtilities::uniform_sample_range((0..size), 1000);
[INFO] [stdout] 14 +             let positions = SparseArrayUtilities::uniform_sample_range(0..size, 1000);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bvrs::SparseArray`
[INFO] [stdout]  --> benches/sparse_array/rank.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bvrs::SparseArray;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> benches/sparse_array/rank.rs:14:72
[INFO] [stdout]    |
[INFO] [stdout] 14 |             let positions = SparseArrayUtilities::uniform_sample_range((0..size), 1000);
[INFO] [stdout]    |                                                                        ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 14 -             let positions = SparseArrayUtilities::uniform_sample_range((0..size), 1000);
[INFO] [stdout] 14 +             let positions = SparseArrayUtilities::uniform_sample_range(0..size, 1000);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> benches/sparse_array/utilities.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand;
[INFO] [stdout]   |     ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `generation::*`
[INFO] [stdout]  --> benches/sparse_array/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use generation::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rank::*`
[INFO] [stdout]  --> benches/sparse_array/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use rank::*;
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `utilities::SparseArrayUtilities`
[INFO] [stdout]  --> benches/sparse_array/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use utilities::SparseArrayUtilities;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `benchmark` is never used
[INFO] [stdout]  --> benches/sparse_array/index.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn benchmark(criterion: &mut Criterion) {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `benchmark` is never used
[INFO] [stdout]  --> benches/sparse_array/rank.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn benchmark(criterion: &mut Criterion) {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `uniform_sample_range`, `get_rank_sparse_array`, and `get_index_sparse_array` are never used
[INFO] [stdout]   --> benches/sparse_array/utilities.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl SparseArrayUtilities {
[INFO] [stdout]    | ------------------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn uniform_sample_range(range: Range<usize>, size: usize) -> Vec<usize> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn get_rank_sparse_array<T>(sa: &SparseArray<T>, positions: &Vec<usize>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn get_index_sparse_array<T>(sa: &SparseArray<T>, positions: &Vec<usize>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/rank_support.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]   --> src/sparse_array.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     use std::string::String;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sparse_array.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let mut sa2: SparseArray<Point> =
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.78s
[INFO] running `Command { std: "docker" "inspect" "82a17dc23518fd5297c0beff7bd114c37658c1ed4106d761e8b649dcc1e7ee29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82a17dc23518fd5297c0beff7bd114c37658c1ed4106d761e8b649dcc1e7ee29", kill_on_drop: false }`
[INFO] [stdout] 82a17dc23518fd5297c0beff7bd114c37658c1ed4106d761e8b649dcc1e7ee29