[INFO] fetching crate libsfasta 0.3.4...
[INFO] checking libsfasta-0.3.4 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate libsfasta 0.3.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate libsfasta 0.3.4 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libsfasta 0.3.4
[INFO] finished tweaking crates.io crate libsfasta 0.3.4
[INFO] tweaked toml for crates.io crate libsfasta 0.3.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Checking libsfasta v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/datatypes/u64_block_store.rs:293:9
[INFO] [stdout]     |
[INFO] [stdout] 293 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Cursor`
[INFO] [stdout]    --> src/datatypes/u64_block_store.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |     use std::io::Cursor;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]   --> src/formats/utils.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     use std::io::Read;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::*`
[INFO] [stdout]   --> src/formats/utils.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     use std::fs::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `utils::*`
[INFO] [stdout]  --> src/formats/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use utils::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `utils::*`
[INFO] [stdout]  --> src/formats/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use utils::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parker_thread`
[INFO] [stdout]    --> src/compression_stream_buffer.rs:195:17
[INFO] [stdout]     |
[INFO] [stdout] 195 |             let parker_thread = parker.unparker().clone();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parker_thread`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scores_handle`
[INFO] [stdout]    --> src/conversion.rs:956:13
[INFO] [stdout]     |
[INFO] [stdout] 956 |         let scores_handle = s.spawn(move |_| {
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scores_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idloc`
[INFO] [stdout]    --> src/conversion.rs:853:29
[INFO] [stdout]     |
[INFO] [stdout] 853 |                         let idloc = ids.add(&(*myid));
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_idloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `idx` is assigned to, but never used
[INFO] [stdout]    --> src/conversion.rs:969:21
[INFO] [stdout]     |
[INFO] [stdout] 969 |             let mut idx = 0;
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_idx` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loc`
[INFO] [stdout]    --> src/conversion.rs:976:29
[INFO] [stdout]     |
[INFO] [stdout] 976 |                         let loc = sb.add_sequence(&mut scores.unwrap()[..]).unwrap();
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_loc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/conversion.rs:843:48
[INFO] [stdout]     |
[INFO] [stdout] 843 |                         let (seqid, seqheader, mut seq, _) = seq.into_parts();
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/conversion.rs:961:17
[INFO] [stdout]     |
[INFO] [stdout] 961 |             let mut seq_locs: Vec<SeqLoc> = Vec::with_capacity(1024);
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/conversion.rs:975:39
[INFO] [stdout]     |
[INFO] [stdout] 975 |                         let (_, _, _, mut scores) = seq.into_parts();
[INFO] [stdout]     |                                       ----^^^^^^
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/datatypes/bytes_block_store.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let len = data.len();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parker_thread`
[INFO] [stdout]    --> src/compression_stream_buffer.rs:195:17
[INFO] [stdout]     |
[INFO] [stdout] 195 |             let parker_thread = parker.unparker().clone();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parker_thread`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/datatypes/seq_loc.rs:776:12
[INFO] [stdout]     |
[INFO] [stdout] 776 |         if let seq = sequence {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/datatypes/sequence_block.rs:71:37
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn block_locs<R>(&mut self, mut in_buf: &mut R, block: u32) -> u64
[INFO] [stdout]    |                                     ----^^^^^^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scores_handle`
[INFO] [stdout]    --> src/conversion.rs:956:13
[INFO] [stdout]     |
[INFO] [stdout] 956 |         let scores_handle = s.spawn(move |_| {
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scores_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idloc`
[INFO] [stdout]    --> src/conversion.rs:853:29
[INFO] [stdout]     |
[INFO] [stdout] 853 |                         let idloc = ids.add(&(*myid));
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_idloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `idx` is assigned to, but never used
[INFO] [stdout]    --> src/conversion.rs:969:21
[INFO] [stdout]     |
[INFO] [stdout] 969 |             let mut idx = 0;
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_idx` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loc`
[INFO] [stdout]    --> src/conversion.rs:976:29
[INFO] [stdout]     |
[INFO] [stdout] 976 |                         let loc = sb.add_sequence(&mut scores.unwrap()[..]).unwrap();
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_loc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/conversion.rs:843:48
[INFO] [stdout]     |
[INFO] [stdout] 843 |                         let (seqid, seqheader, mut seq, _) = seq.into_parts();
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/conversion.rs:961:17
[INFO] [stdout]     |
[INFO] [stdout] 961 |             let mut seq_locs: Vec<SeqLoc> = Vec::with_capacity(1024);
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/conversion.rs:975:39
[INFO] [stdout]     |
[INFO] [stdout] 975 |                         let (_, _, _, mut scores) = seq.into_parts();
[INFO] [stdout]     |                                       ----^^^^^^
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir`
[INFO] [stdout]     --> src/conversion.rs:1195:13
[INFO] [stdout]      |
[INFO] [stdout] 1195 |         let dir = directory;
[INFO] [stdout]      |             ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/datatypes/bytes_block_store.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let len = data.len();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/datatypes/bytes_block_store.rs:308:13
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let b = bv[0..8].load::<u8>();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/formats/sfasta.rs:307:13
[INFO] [stdout]     |
[INFO] [stdout] 307 |         let mut buf = &mut *self.buf.as_ref().unwrap().write().unwrap();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bincode_config`
[INFO] [stdout]    --> src/formats/sfasta.rs:508:13
[INFO] [stdout]     |
[INFO] [stdout] 508 |         let bincode_config = bincode::config::standard()
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bincode_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/datatypes/seq_loc.rs:776:12
[INFO] [stdout]     |
[INFO] [stdout] 776 |         if let seq = sequence {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/datatypes/sequence_block.rs:71:37
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn block_locs<R>(&mut self, mut in_buf: &mut R, block: u32) -> u64
[INFO] [stdout]    |                                     ----^^^^^^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seqlocs_chunks_offsets_position` is never read
[INFO] [stdout]   --> src/datatypes/seq_loc.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct SeqLocs<'a> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     seqlocs_chunks_offsets_position: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/formats/sfasta.rs:307:13
[INFO] [stdout]     |
[INFO] [stdout] 307 |         let mut buf = &mut *self.buf.as_ref().unwrap().write().unwrap();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bincode_config`
[INFO] [stdout]    --> src/formats/sfasta.rs:508:13
[INFO] [stdout]     |
[INFO] [stdout] 508 |         let bincode_config = bincode::config::standard()
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bincode_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/datatypes/sequence_block.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     encoder.long_distance_matching(true);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let _ = encoder.long_distance_matching(true);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seqlocs_chunks_offsets_position` is never read
[INFO] [stdout]   --> src/datatypes/seq_loc.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct SeqLocs<'a> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     seqlocs_chunks_offsets_position: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/datatypes/sequence_block.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     encoder.long_distance_matching(true);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let _ = encoder.long_distance_matching(true);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read benches/../test_data/Erow_sample.fasta: No such file or directory (os error 2)
[INFO] [stdout]  --> benches/ml32bit.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let seq = include_str!("../test_data/Erow_sample.fasta");
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pulp::*`
[INFO] [stdout]  --> benches/ml32bit.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pulp::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libsfasta` (bench "ml32bit") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c4b91674bd0d4e78666e9fcc41e9908db296d06892a952d369ea3a7c62cf5270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4b91674bd0d4e78666e9fcc41e9908db296d06892a952d369ea3a7c62cf5270", kill_on_drop: false }`
[INFO] [stdout] c4b91674bd0d4e78666e9fcc41e9908db296d06892a952d369ea3a7c62cf5270
[INFO] checking libsfasta-0.3.4 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate libsfasta 0.3.4 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate libsfasta 0.3.4 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libsfasta 0.3.4
[INFO] finished tweaking crates.io crate libsfasta 0.3.4
[INFO] tweaked toml for crates.io crate libsfasta 0.3.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d163f71e0efb14bdec18f26496e909ee1ebb46805253eeee0e50144230a70598
[INFO] running `Command { std: "docker" "start" "-a" "d163f71e0efb14bdec18f26496e909ee1ebb46805253eeee0e50144230a70598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d163f71e0efb14bdec18f26496e909ee1ebb46805253eeee0e50144230a70598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d163f71e0efb14bdec18f26496e909ee1ebb46805253eeee0e50144230a70598", kill_on_drop: false }`
[INFO] [stdout] d163f71e0efb14bdec18f26496e909ee1ebb46805253eeee0e50144230a70598
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dunexpected_cfgs" "-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] 1b8e1ea1f31fcead914eecd31d79c8d9a71578443e2d5bea5eab13ef80ba1d7b
[INFO] running `Command { std: "docker" "start" "-a" "1b8e1ea1f31fcead914eecd31d79c8d9a71578443e2d5bea5eab13ef80ba1d7b", kill_on_drop: false }`
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]     Checking serde v1.0.196
[INFO] [stderr]    Compiling zstd-safe v6.0.6
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling libz-ng-sys v1.1.15
[INFO] [stderr]    Compiling virtue v0.0.13
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling snap v1.1.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pulp v0.10.4
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]    Compiling bincode_derive v2.0.0-rc.3
[INFO] [stderr]     Checking is-terminal v0.4.10
[INFO] [stderr]     Checking xz2 v0.1.7
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking brotli-decompressor v2.5.1
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking crossbeam-channel v0.5.11
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking bincode v2.0.0-rc.3
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking bitpacking v0.8.4
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking syncmers v0.1.5
[INFO] [stderr]     Checking brotli v3.4.0
[INFO] [stderr]     Checking xz v0.1.0
[INFO] [stderr]     Checking lz4_flex v0.9.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]     Checking serde_json v1.0.113
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking bumpalo v3.14.0
[INFO] [stderr]     Checking bytelines v2.5.0
[INFO] [stderr]     Checking humansize v2.1.3
[INFO] [stderr]     Checking numeric-array v0.5.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stderr]     Checking zstd v0.12.4
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking libsfasta v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected `cfg` condition name: `tests`
[INFO] [stdout]   --> src/compression/naf_like.rs:42:7
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[cfg(tests)]
[INFO] [stdout]    |       ^^^^^ help: there is a config with a similar name: `test`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(tests)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `fuzzing`
[INFO] [stdout]    --> src/formats/sfasta.rs:462:19
[INFO] [stdout]     |
[INFO] [stdout] 462 |         #[cfg(not(fuzzing))]
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(fuzzing)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `fuzzing`
[INFO] [stdout]    --> src/formats/sfasta.rs:476:19
[INFO] [stdout]     |
[INFO] [stdout] 476 |         #[cfg(not(fuzzing))]
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(fuzzing)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `utils::*`
[INFO] [stdout]  --> src/formats/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use utils::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `tests`
[INFO] [stdout]   --> src/compression/naf_like.rs:42:7
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[cfg(tests)]
[INFO] [stdout]    |       ^^^^^ help: there is a config with a similar name: `test`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(tests)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/datatypes/u64_block_store.rs:293:9
[INFO] [stdout]     |
[INFO] [stdout] 293 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Cursor`
[INFO] [stdout]    --> src/datatypes/u64_block_store.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |     use std::io::Cursor;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `fuzzing`
[INFO] [stdout]    --> src/formats/sfasta.rs:462:19
[INFO] [stdout]     |
[INFO] [stdout] 462 |         #[cfg(not(fuzzing))]
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(fuzzing)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `fuzzing`
[INFO] [stdout]    --> src/formats/sfasta.rs:476:19
[INFO] [stdout]     |
[INFO] [stdout] 476 |         #[cfg(not(fuzzing))]
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(fuzzing)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]   --> src/formats/utils.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     use std::io::Read;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::*`
[INFO] [stdout]   --> src/formats/utils.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     use std::fs::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `utils::*`
[INFO] [stdout]  --> src/formats/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use utils::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parker_thread`
[INFO] [stdout]    --> src/compression_stream_buffer.rs:195:17
[INFO] [stdout]     |
[INFO] [stdout] 195 |             let parker_thread = parker.unparker().clone();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parker_thread`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scores_handle`
[INFO] [stdout]    --> src/conversion.rs:956:13
[INFO] [stdout]     |
[INFO] [stdout] 956 |         let scores_handle = s.spawn(move |_| {
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scores_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idloc`
[INFO] [stdout]    --> src/conversion.rs:853:29
[INFO] [stdout]     |
[INFO] [stdout] 853 |                         let idloc = ids.add(&(*myid));
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_idloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `idx` is assigned to, but never used
[INFO] [stdout]    --> src/conversion.rs:969:21
[INFO] [stdout]     |
[INFO] [stdout] 969 |             let mut idx = 0;
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_idx` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loc`
[INFO] [stdout]    --> src/conversion.rs:976:29
[INFO] [stdout]     |
[INFO] [stdout] 976 |                         let loc = sb.add_sequence(&mut scores.unwrap()[..]).unwrap();
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_loc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/conversion.rs:843:48
[INFO] [stdout]     |
[INFO] [stdout] 843 |                         let (seqid, seqheader, mut seq, _) = seq.into_parts();
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/conversion.rs:961:17
[INFO] [stdout]     |
[INFO] [stdout] 961 |             let mut seq_locs: Vec<SeqLoc> = Vec::with_capacity(1024);
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/conversion.rs:975:39
[INFO] [stdout]     |
[INFO] [stdout] 975 |                         let (_, _, _, mut scores) = seq.into_parts();
[INFO] [stdout]     |                                       ----^^^^^^
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/datatypes/bytes_block_store.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let len = data.len();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parker_thread`
[INFO] [stdout]    --> src/compression_stream_buffer.rs:195:17
[INFO] [stdout]     |
[INFO] [stdout] 195 |             let parker_thread = parker.unparker().clone();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parker_thread`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/datatypes/seq_loc.rs:776:12
[INFO] [stdout]     |
[INFO] [stdout] 776 |         if let seq = sequence {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/datatypes/sequence_block.rs:71:37
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn block_locs<R>(&mut self, mut in_buf: &mut R, block: u32) -> u64
[INFO] [stdout]    |                                     ----^^^^^^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scores_handle`
[INFO] [stdout]    --> src/conversion.rs:956:13
[INFO] [stdout]     |
[INFO] [stdout] 956 |         let scores_handle = s.spawn(move |_| {
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scores_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idloc`
[INFO] [stdout]    --> src/conversion.rs:853:29
[INFO] [stdout]     |
[INFO] [stdout] 853 |                         let idloc = ids.add(&(*myid));
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_idloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `idx` is assigned to, but never used
[INFO] [stdout]    --> src/conversion.rs:969:21
[INFO] [stdout]     |
[INFO] [stdout] 969 |             let mut idx = 0;
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_idx` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loc`
[INFO] [stdout]    --> src/conversion.rs:976:29
[INFO] [stdout]     |
[INFO] [stdout] 976 |                         let loc = sb.add_sequence(&mut scores.unwrap()[..]).unwrap();
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_loc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/conversion.rs:843:48
[INFO] [stdout]     |
[INFO] [stdout] 843 |                         let (seqid, seqheader, mut seq, _) = seq.into_parts();
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/conversion.rs:961:17
[INFO] [stdout]     |
[INFO] [stdout] 961 |             let mut seq_locs: Vec<SeqLoc> = Vec::with_capacity(1024);
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/conversion.rs:975:39
[INFO] [stdout]     |
[INFO] [stdout] 975 |                         let (_, _, _, mut scores) = seq.into_parts();
[INFO] [stdout]     |                                       ----^^^^^^
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir`
[INFO] [stdout]     --> src/conversion.rs:1195:13
[INFO] [stdout]      |
[INFO] [stdout] 1195 |         let dir = directory;
[INFO] [stdout]      |             ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/datatypes/bytes_block_store.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let len = data.len();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/datatypes/bytes_block_store.rs:308:13
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let b = bv[0..8].load::<u8>();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/formats/sfasta.rs:307:13
[INFO] [stdout]     |
[INFO] [stdout] 307 |         let mut buf = &mut *self.buf.as_ref().unwrap().write().unwrap();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bincode_config`
[INFO] [stdout]    --> src/formats/sfasta.rs:508:13
[INFO] [stdout]     |
[INFO] [stdout] 508 |         let bincode_config = bincode::config::standard()
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bincode_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seqlocs_chunks_offsets_position` is never read
[INFO] [stdout]   --> src/datatypes/seq_loc.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct SeqLocs<'a> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     seqlocs_chunks_offsets_position: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/datatypes/seq_loc.rs:776:12
[INFO] [stdout]     |
[INFO] [stdout] 776 |         if let seq = sequence {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/datatypes/sequence_block.rs:71:37
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn block_locs<R>(&mut self, mut in_buf: &mut R, block: u32) -> u64
[INFO] [stdout]    |                                     ----^^^^^^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/datatypes/sequence_block.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     encoder.long_distance_matching(true);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let _ = encoder.long_distance_matching(true);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libsfasta` (lib) due to 4 previous errors; 16 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/formats/sfasta.rs:307:13
[INFO] [stdout]     |
[INFO] [stdout] 307 |         let mut buf = &mut *self.buf.as_ref().unwrap().write().unwrap();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bincode_config`
[INFO] [stdout]    --> src/formats/sfasta.rs:508:13
[INFO] [stdout]     |
[INFO] [stdout] 508 |         let bincode_config = bincode::config::standard()
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bincode_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seqlocs_chunks_offsets_position` is never read
[INFO] [stdout]   --> src/datatypes/seq_loc.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct SeqLocs<'a> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     seqlocs_chunks_offsets_position: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/datatypes/sequence_block.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     encoder.long_distance_matching(true);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 172 |     let _ = encoder.long_distance_matching(true);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libsfasta` (lib test) due to 4 previous errors; 22 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1b8e1ea1f31fcead914eecd31d79c8d9a71578443e2d5bea5eab13ef80ba1d7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b8e1ea1f31fcead914eecd31d79c8d9a71578443e2d5bea5eab13ef80ba1d7b", kill_on_drop: false }`
[INFO] [stdout] 1b8e1ea1f31fcead914eecd31d79c8d9a71578443e2d5bea5eab13ef80ba1d7b
