[INFO] cloning repository jguhlin/split-into-kmers
[INFO] running `"git" "clone" "--bare" "git://github.com/jguhlin/split-into-kmers.git" "work/cache/sources/gh/jguhlin/split-into-kmers"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/jguhlin/split-into-kmers'...
[INFO] running `"git" "clone" "work/cache/sources/gh/jguhlin/split-into-kmers" "work/ex/beta-1.37-6/sources/1.36.0/gh/jguhlin/split-into-kmers"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jguhlin/split-into-kmers'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jguhlin/split-into-kmers" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jguhlin/split-into-kmers"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jguhlin/split-into-kmers'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c0558b7d88422fec461d7fdfeef45f44316ad19b
[INFO] sha for GitHub repo jguhlin/split-into-kmers: c0558b7d88422fec461d7fdfeef45f44316ad19b
[INFO] validating manifest of jguhlin/split-into-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 jguhlin/split-into-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 jguhlin/split-into-kmers
[INFO] finished frobbing jguhlin/split-into-kmers
[INFO] frobbed toml for jguhlin/split-into-kmers written to work/ex/beta-1.37-6/sources/1.36.0/gh/jguhlin/split-into-kmers/Cargo.toml
[INFO] started frobbing jguhlin/split-into-kmers
[INFO] finished frobbing jguhlin/split-into-kmers
[INFO] frobbed toml for jguhlin/split-into-kmers written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jguhlin/split-into-kmers/Cargo.toml
[INFO] crate jguhlin/split-into-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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jguhlin/split-into-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/jguhlin/split-into-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] d4a45e0ff36c1d85a9bf6587e5641b3bab30ecc09d741831f79ac7ca7aac06c7
[INFO] running `"docker" "start" "-a" "d4a45e0ff36c1d85a9bf6587e5641b3bab30ecc09d741831f79ac7ca7aac06c7"`
[INFO] [stderr]    Compiling clicolors-control v1.0.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling number_prefix v0.2.8
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling flate2 v1.0.9
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling console v0.7.7
[INFO] [stderr]    Compiling indicatif v0.11.0
[INFO] [stderr]    Compiling split-into-kmers v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0425]: cannot find value `output_writer` in this scope
[INFO] [stderr]   --> src/main.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |         output_writer.write(labels.as_bytes());
[INFO] [stderr]    |         ^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `labels` in this scope
[INFO] [stderr]   --> src/main.rs:68:29
[INFO] [stderr]    |
[INFO] [stderr] 68 |         output_writer.write(labels.as_bytes());
[INFO] [stderr]    |                             ^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `output_writer` in this scope
[INFO] [stderr]   --> src/main.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         output_writer.write(b" ");
[INFO] [stderr]    |         ^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `output_writer` in this scope
[INFO] [stderr]   --> src/main.rs:73:17
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 output_writer.write(kmerx.as_bytes());
[INFO] [stderr]    |                 ^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `output_writer` in this scope
[INFO] [stderr]   --> src/main.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 output_writer.write(b" ");
[INFO] [stderr]    |                 ^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `output_writer` in this scope
[INFO] [stderr]   --> src/main.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         output_writer.write(b"\n");
[INFO] [stderr]    |         ^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `split-into-kmers`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d4a45e0ff36c1d85a9bf6587e5641b3bab30ecc09d741831f79ac7ca7aac06c7"`
[INFO] running `"docker" "rm" "-f" "d4a45e0ff36c1d85a9bf6587e5641b3bab30ecc09d741831f79ac7ca7aac06c7"`
[INFO] [stdout] d4a45e0ff36c1d85a9bf6587e5641b3bab30ecc09d741831f79ac7ca7aac06c7