[INFO] updating cached repository https://github.com/mneumann/artificial-genome-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ba547b145f9137d04933505e521edb0fc0b4208b
[INFO] testing mneumann/artificial-genome-rs against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmneumann%2Fartificial-genome-rs" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mneumann/artificial-genome-rs on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mneumann/artificial-genome-rs
[INFO] finished tweaking git repo https://github.com/mneumann/artificial-genome-rs
[INFO] tweaked toml for git repo https://github.com/mneumann/artificial-genome-rs written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mneumann/artificial-genome-rs already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 4a2f5735224641cf25bd2da7046acaa3d3a09a8a842500c2958f2e1fd18952c4
[INFO] running `"docker" "start" "-a" "4a2f5735224641cf25bd2da7046acaa3d3a09a8a842500c2958f2e1fd18952c4"`
[INFO] [stderr]    Compiling artificial-genome v0.0.1 (/opt/rustwide/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 1.71s
[INFO] running `"docker" "inspect" "4a2f5735224641cf25bd2da7046acaa3d3a09a8a842500c2958f2e1fd18952c4"`
[INFO] running `"docker" "rm" "-f" "4a2f5735224641cf25bd2da7046acaa3d3a09a8a842500c2958f2e1fd18952c4"`
[INFO] [stdout] 4a2f5735224641cf25bd2da7046acaa3d3a09a8a842500c2958f2e1fd18952c4
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3f10b517e4a51527293c1a0f79cd6cf694ebeddc2be4193fc8f51280a712cf5b
[INFO] running `"docker" "start" "-a" "3f10b517e4a51527293c1a0f79cd6cf694ebeddc2be4193fc8f51280a712cf5b"`
[INFO] [stderr]    Compiling artificial-genome v0.0.1 (/opt/rustwide/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 1.57s
[INFO] running `"docker" "inspect" "3f10b517e4a51527293c1a0f79cd6cf694ebeddc2be4193fc8f51280a712cf5b"`
[INFO] running `"docker" "rm" "-f" "3f10b517e4a51527293c1a0f79cd6cf694ebeddc2be4193fc8f51280a712cf5b"`
[INFO] [stdout] 3f10b517e4a51527293c1a0f79cd6cf694ebeddc2be4193fc8f51280a712cf5b
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 312b35fd2c5c7518f44535b58902ef2385dc06c47424ae3b1567ccc8e4d3649f
[INFO] running `"docker" "start" "-a" "312b35fd2c5c7518f44535b58902ef2385dc06c47424ae3b1567ccc8e4d3649f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/artificial_genome-5c95422308294ba9
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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] [stderr]      Running /opt/rustwide/target/debug/deps/artificial_genome-a330eea2d510ef81
[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" "312b35fd2c5c7518f44535b58902ef2385dc06c47424ae3b1567ccc8e4d3649f"`
[INFO] running `"docker" "rm" "-f" "312b35fd2c5c7518f44535b58902ef2385dc06c47424ae3b1567ccc8e4d3649f"`
[INFO] [stdout] 312b35fd2c5c7518f44535b58902ef2385dc06c47424ae3b1567ccc8e4d3649f