[INFO] crate needletail 0.2.2 is already in cache
[INFO] extracting crate needletail 0.2.2 into work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/needletail/0.2.2
[INFO] extracting crate needletail 0.2.2 into work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/reg/needletail/0.2.2
[INFO] validating manifest of needletail-0.2.2 on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of needletail-0.2.2 on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing needletail-0.2.2
[INFO] finished frobbing needletail-0.2.2
[INFO] frobbed toml for needletail-0.2.2 written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/needletail/0.2.2/Cargo.toml
[INFO] started frobbing needletail-0.2.2
[INFO] finished frobbing needletail-0.2.2
[INFO] frobbed toml for needletail-0.2.2 written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/reg/needletail/0.2.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking needletail-0.2.2 against master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039 for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-1/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/needletail/0.2.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 729ef21f16b3ec3df19a873d7298d99db789e89ae8124ed6012c9f23828baa5e
[INFO] running `"docker" "start" "-a" "729ef21f16b3ec3df19a873d7298d99db789e89ae8124ed6012c9f23828baa5e"`
[INFO] [stderr]    Compiling lzma-sys v0.1.13
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking needletail v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `from_bytes`
[INFO] [stderr]   --> src/buffer.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn from_bytes(data: &'a [u8]) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/fastx.rs:698:13
[INFO] [stderr]     |
[INFO] [stderr] 698 |         for s in rec_buffer.by_ref() {
[INFO] [stderr]     |             ^ help: consider using `_s` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `bitkmer`, `kmer`
[INFO] [stderr]  --> benches/benchmark.rs:7:25
[INFO] [stderr]   |
[INFO] [stderr] 7 | use needletail::{fastx, kmer, bitkmer};
[INFO] [stderr]   |                         ^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `kmer`
[INFO] [stderr]   --> benches/benchmark.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 |             for (_, kmer, was_rc) in seq.normalize(true).kmers(ksize, true) {
[INFO] [stderr]    |                     ^^^^ help: consider using `_kmer` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]   --> benches/benchmark.rs:41:21
[INFO] [stderr]    |
[INFO] [stderr] 41 |             for (_, k, was_rc) in seq.bit_kmers(ksize, true) {
[INFO] [stderr]    |                     ^ help: consider using `_k` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ksize`
[INFO] [stderr]   --> benches/benchmark.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let ksize = 31;
[INFO] [stderr]    |         ^^^^^ help: consider using `_ksize` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ksize`
[INFO] [stderr]   --> benches/benchmark.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |     let ksize = 31;
[INFO] [stderr]    |         ^^^^^ help: consider using `_ksize` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ksize`
[INFO] [stderr]   --> benches/benchmark.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |     let ksize = 31;
[INFO] [stderr]    |         ^^^^^ help: consider using `_ksize` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ksize`
[INFO] [stderr]    --> benches/benchmark.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let ksize = 31;
[INFO] [stderr]     |         ^^^^^ help: consider using `_ksize` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> benches/benchmark.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     f.read_to_end(&mut data);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> benches/benchmark.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     f.read_to_end(&mut data);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.13s
[INFO] running `"docker" "inspect" "729ef21f16b3ec3df19a873d7298d99db789e89ae8124ed6012c9f23828baa5e"`
[INFO] running `"docker" "rm" "-f" "729ef21f16b3ec3df19a873d7298d99db789e89ae8124ed6012c9f23828baa5e"`
[INFO] [stdout] 729ef21f16b3ec3df19a873d7298d99db789e89ae8124ed6012c9f23828baa5e