[INFO] updating cached repository wheaton5/distinguishing_kmers
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wheaton5/distinguishing_kmers
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wheaton5/distinguishing_kmers" "work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/wheaton5/distinguishing_kmers"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/wheaton5/distinguishing_kmers'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wheaton5/distinguishing_kmers" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/wheaton5/distinguishing_kmers"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/wheaton5/distinguishing_kmers'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 956d14d256c7fea54b7e8b072fc67bc99e98e594
[INFO] sha for GitHub repo wheaton5/distinguishing_kmers: 956d14d256c7fea54b7e8b072fc67bc99e98e594
[INFO] validating manifest of wheaton5/distinguishing_kmers on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wheaton5/distinguishing_kmers on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing wheaton5/distinguishing_kmers
[INFO] finished frobbing wheaton5/distinguishing_kmers
[INFO] frobbed toml for wheaton5/distinguishing_kmers written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/wheaton5/distinguishing_kmers/Cargo.toml
[INFO] started frobbing wheaton5/distinguishing_kmers
[INFO] finished frobbing wheaton5/distinguishing_kmers
[INFO] frobbed toml for wheaton5/distinguishing_kmers written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/wheaton5/distinguishing_kmers/Cargo.toml
[INFO] crate wheaton5/distinguishing_kmers already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/wheaton5/dna_io.git`
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/wheaton5/distinguishing_kmers/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/10XGenomics/rust-debruijn.git`
[INFO] [stderr]     Updating git repository `https://github.com/wheaton5/dna_io.git`
[INFO] [stderr]     Updating git repository `https://github.com/10XGenomics/rust-boomphf`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/10XGenomics/rust-debruijn.git`
[INFO] [stderr]     Updating git repository `https://github.com/wheaton5/dna_io.git`
[INFO] [stderr]     Updating git repository `https://github.com/10XGenomics/rust-boomphf`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking wheaton5/distinguishing_kmers against master#589beb979c0f1a9736e02e578913db88398c3ba5 for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-7/master#589beb979c0f1a9736e02e578913db88398c3ba5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/wheaton5/distinguishing_kmers:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8d15d359f4a2cec357e45e29499d773c8314ad21dd068d7468af907becf636ec
[INFO] running `"docker" "start" "-a" "8d15d359f4a2cec357e45e29499d773c8314ad21dd068d7468af907becf636ec"`
[INFO] [stderr]    Compiling rustc-demangle v0.1.14
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling bindgen v0.49.1
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]     Checking linear-map v1.2.0
[INFO] [stderr]     Checking spin v0.4.10
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling lzma-sys v0.1.14
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling fs-utils v1.1.1
[INFO] [stderr]     Checking concurrent-hashmap v0.2.2
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking bloom v0.3.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking crossbeam v0.7.1
[INFO] [stderr]    Compiling backtrace v0.3.20
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling clang-sys v0.28.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]     Checking bio-types v0.5.1
[INFO] [stderr]     Checking boomphf v0.4.0 (https://github.com/10XGenomics/rust-boomphf#5335194a)
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking debruijn v0.2.0 (https://github.com/10XGenomics/rust-debruijn.git#bdd2ac0c)
[INFO] [stderr]    Compiling rust-htslib v0.23.0
[INFO] [stderr]     Checking dna_io v0.1.0 (https://github.com/wheaton5/dna_io.git#d13e5660)
[INFO] [stderr]     Checking distinguishing_kmers v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let mut reader = dna_io::DnaReader::from_path(kmer_file);
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:77:25
[INFO] [stderr]    |
[INFO] [stderr] 77 |                     let mut count = kmer_counts.entry(to_hash).or_insert(0);
[INFO] [stderr]    |                         ----^^^^^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let mut reader = dna_io::DnaReader::from_path(kmer_file);
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:77:25
[INFO] [stderr]    |
[INFO] [stderr] 77 |                     let mut count = kmer_counts.entry(to_hash).or_insert(0);
[INFO] [stderr]    |                         ----^^^^^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 58s
[INFO] running `"docker" "inspect" "8d15d359f4a2cec357e45e29499d773c8314ad21dd068d7468af907becf636ec"`
[INFO] running `"docker" "rm" "-f" "8d15d359f4a2cec357e45e29499d773c8314ad21dd068d7468af907becf636ec"`
[INFO] [stdout] 8d15d359f4a2cec357e45e29499d773c8314ad21dd068d7468af907becf636ec