[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/beta-1.37-6/sources/1.36.0/gh/wheaton5/distinguishing_kmers"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/wheaton5/distinguishing_kmers'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wheaton5/distinguishing_kmers" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wheaton5/distinguishing_kmers"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wheaton5/distinguishing_kmers on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/gh/wheaton5/distinguishing_kmers/Cargo.toml
[INFO] crate wheaton5/distinguishing_kmers already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing wheaton5/distinguishing_kmers against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/wheaton5/distinguishing_kmers:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 67dcb5a9159fb4ce0beb741603af4d11c7d4680e9448c7cc8f358060c716ac75
[INFO] running `"docker" "start" "-a" "67dcb5a9159fb4ce0beb741603af4d11c7d4680e9448c7cc8f358060c716ac75"`
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling bindgen v0.51.0
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling linear-map v1.2.0
[INFO] [stderr]    Compiling spin v0.4.10
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling ieee754 v0.2.6
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clang-sys v0.28.0
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling fs-utils v1.1.1
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling lzma-sys v0.1.14
[INFO] [stderr]    Compiling wyhash v0.3.0
[INFO] [stderr]    Compiling bloom v0.3.2
[INFO] [stderr]    Compiling concurrent-hashmap v0.2.2
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling flate2 v1.0.9
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling clap v2.27.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]    Compiling bio-types v0.5.1
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling boomphf v0.5.2
[INFO] [stderr]    Compiling debruijn v0.3.0 (https://github.com/10XGenomics/rust-debruijn.git#9c7caf19)
[INFO] [stderr]    Compiling rust-htslib v0.24.0
[INFO] [stderr]    Compiling dna_io v0.1.0 (https://github.com/wheaton5/dna_io.git#a640f47b)
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 2m 04s
[INFO] running `"docker" "inspect" "67dcb5a9159fb4ce0beb741603af4d11c7d4680e9448c7cc8f358060c716ac75"`
[INFO] running `"docker" "rm" "-f" "67dcb5a9159fb4ce0beb741603af4d11c7d4680e9448c7cc8f358060c716ac75"`
[INFO] [stdout] 67dcb5a9159fb4ce0beb741603af4d11c7d4680e9448c7cc8f358060c716ac75
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/wheaton5/distinguishing_kmers:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d09a598f7cc9669b7903f688354774048537745bea558f88483fea52bd5eff69
[INFO] running `"docker" "start" "-a" "d09a598f7cc9669b7903f688354774048537745bea558f88483fea52bd5eff69"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `"docker" "inspect" "d09a598f7cc9669b7903f688354774048537745bea558f88483fea52bd5eff69"`
[INFO] running `"docker" "rm" "-f" "d09a598f7cc9669b7903f688354774048537745bea558f88483fea52bd5eff69"`
[INFO] [stdout] d09a598f7cc9669b7903f688354774048537745bea558f88483fea52bd5eff69
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/wheaton5/distinguishing_kmers:/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] e4ef8fba9f96b687fbe35e36bd70e604df1fce94157da276c8ad6c6436f02464
[INFO] running `"docker" "start" "-a" "e4ef8fba9f96b687fbe35e36bd70e604df1fce94157da276c8ad6c6436f02464"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/distinguishing_kmers-b30c31d401c622af
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e4ef8fba9f96b687fbe35e36bd70e604df1fce94157da276c8ad6c6436f02464"`
[INFO] running `"docker" "rm" "-f" "e4ef8fba9f96b687fbe35e36bd70e604df1fce94157da276c8ad6c6436f02464"`
[INFO] [stdout] e4ef8fba9f96b687fbe35e36bd70e604df1fce94157da276c8ad6c6436f02464