[INFO] updating cached repository mneumann/artificial-genome-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mneumann/artificial-genome-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mneumann/artificial-genome-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/mneumann/artificial-genome-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mneumann/artificial-genome-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mneumann/artificial-genome-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mneumann/artificial-genome-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mneumann/artificial-genome-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ba547b145f9137d04933505e521edb0fc0b4208b
[INFO] sha for GitHub repo mneumann/artificial-genome-rs: ba547b145f9137d04933505e521edb0fc0b4208b
[INFO] validating manifest of mneumann/artificial-genome-rs on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mneumann/artificial-genome-rs on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mneumann/artificial-genome-rs
[INFO] finished frobbing mneumann/artificial-genome-rs
[INFO] frobbed toml for mneumann/artificial-genome-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/mneumann/artificial-genome-rs/Cargo.toml
[INFO] started frobbing mneumann/artificial-genome-rs
[INFO] finished frobbing mneumann/artificial-genome-rs
[INFO] frobbed toml for mneumann/artificial-genome-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mneumann/artificial-genome-rs/Cargo.toml
[INFO] crate mneumann/artificial-genome-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mneumann/artificial-genome-rs/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[INFO] the lockfile is outdated, regenerating it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" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing mneumann/artificial-genome-rs against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mneumann/artificial-genome-rs:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] facf95c635fc760502f497c2e0692e01fdfefeffbc5e760a3ca4af67fee9af36
[INFO] running `"docker" "start" "-a" "facf95c635fc760502f497c2e0692e01fdfefeffbc5e760a3ca4af67fee9af36"`
[INFO] [stderr]    Compiling artificial-genome v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `write_dot`
[INFO] [stderr]    --> src/graph.rs:190:5
[INFO] [stderr]     |
[INFO] [stderr] 190 |     fn write_dot<W: Write>(&self, wr: &mut W) -> io::Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_dot`
[INFO] [stderr]    --> src/graph.rs:317:5
[INFO] [stderr]     |
[INFO] [stderr] 317 |     fn write_dot<W: Write>(&self, wr: &mut W) -> io::Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_dot`
[INFO] [stderr]    --> src/graph.rs:447:5
[INFO] [stderr]     |
[INFO] [stderr] 447 |     fn write_dot<W: Write>(&self, wr: &mut W) -> io::Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `"docker" "inspect" "facf95c635fc760502f497c2e0692e01fdfefeffbc5e760a3ca4af67fee9af36"`
[INFO] running `"docker" "rm" "-f" "facf95c635fc760502f497c2e0692e01fdfefeffbc5e760a3ca4af67fee9af36"`
[INFO] [stdout] facf95c635fc760502f497c2e0692e01fdfefeffbc5e760a3ca4af67fee9af36
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mneumann/artificial-genome-rs:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 078259699fd71823d9ad619c36f3cd6734cf38966c0fdb56a0cfb033e66e9296
[INFO] running `"docker" "start" "-a" "078259699fd71823d9ad619c36f3cd6734cf38966c0fdb56a0cfb033e66e9296"`
[INFO] [stderr]    Compiling artificial-genome v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `write_dot`
[INFO] [stderr]    --> src/graph.rs:190:5
[INFO] [stderr]     |
[INFO] [stderr] 190 |     fn write_dot<W: Write>(&self, wr: &mut W) -> io::Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_dot`
[INFO] [stderr]    --> src/graph.rs:317:5
[INFO] [stderr]     |
[INFO] [stderr] 317 |     fn write_dot<W: Write>(&self, wr: &mut W) -> io::Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_dot`
[INFO] [stderr]    --> src/graph.rs:447:5
[INFO] [stderr]     |
[INFO] [stderr] 447 |     fn write_dot<W: Write>(&self, wr: &mut W) -> io::Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "078259699fd71823d9ad619c36f3cd6734cf38966c0fdb56a0cfb033e66e9296"`
[INFO] running `"docker" "rm" "-f" "078259699fd71823d9ad619c36f3cd6734cf38966c0fdb56a0cfb033e66e9296"`
[INFO] [stdout] 078259699fd71823d9ad619c36f3cd6734cf38966c0fdb56a0cfb033e66e9296
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mneumann/artificial-genome-rs:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] ee1a7a1109134ba4484b4fa78e8b2268dc941dfa48dd738fe76df3bd43bdc315
[INFO] running `"docker" "start" "-a" "ee1a7a1109134ba4484b4fa78e8b2268dc941dfa48dd738fe76df3bd43bdc315"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/artificial_genome-b70c1751b32c6dd9
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/crater/target/debug/deps/artificial_genome-f1348bb838748deb
[INFO] [stdout] test dna_base::test_dnabase_succ ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [stderr]    Doc-tests artificial-genome
[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" "ee1a7a1109134ba4484b4fa78e8b2268dc941dfa48dd738fe76df3bd43bdc315"`
[INFO] running `"docker" "rm" "-f" "ee1a7a1109134ba4484b4fa78e8b2268dc941dfa48dd738fe76df3bd43bdc315"`
[INFO] [stdout] ee1a7a1109134ba4484b4fa78e8b2268dc941dfa48dd738fe76df3bd43bdc315