[INFO] updating cached repository https://github.com/greizgh/hello-rust
[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] 7919ca39823e0ce858420c05c67fdf4d4f1b11a4
[INFO] testing greizgh/hello-rust against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreizgh%2Fhello-rust" "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/greizgh/hello-rust 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/greizgh/hello-rust
[INFO] finished tweaking git repo https://github.com/greizgh/hello-rust
[INFO] tweaked toml for git repo https://github.com/greizgh/hello-rust written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/greizgh/hello-rust 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] 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] 91e309beb21fd239f55eea52f29003a3deffaf36684fb1d5446e6e0a363c4579
[INFO] running `"docker" "start" "-a" "91e309beb21fd239f55eea52f29003a3deffaf36684fb1d5446e6e0a363c4579"`
[INFO] [stderr]    Compiling genetic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:65:19
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fitness: &'a (Fn(&Individual) -> i32),
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Individual) -> i32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:70:93
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn new(size: usize, chromosome_size: usize, crossover: f32, mutation: f32, fitness: &'a Fn(&Individual) -> i32 ) -> Population<'a> {
[INFO] [stderr]    |                                                                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Individual) -> i32`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "91e309beb21fd239f55eea52f29003a3deffaf36684fb1d5446e6e0a363c4579"`
[INFO] running `"docker" "rm" "-f" "91e309beb21fd239f55eea52f29003a3deffaf36684fb1d5446e6e0a363c4579"`
[INFO] [stdout] 91e309beb21fd239f55eea52f29003a3deffaf36684fb1d5446e6e0a363c4579
[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] 2a4b4a94f1cea2fa17e66aea726efee5ee6e1bfe51014898fd879466d5210b6d
[INFO] running `"docker" "start" "-a" "2a4b4a94f1cea2fa17e66aea726efee5ee6e1bfe51014898fd879466d5210b6d"`
[INFO] [stderr]    Compiling genetic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:65:19
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fitness: &'a (Fn(&Individual) -> i32),
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Individual) -> i32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:70:93
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn new(size: usize, chromosome_size: usize, crossover: f32, mutation: f32, fitness: &'a Fn(&Individual) -> i32 ) -> Population<'a> {
[INFO] [stderr]    |                                                                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Individual) -> i32`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `"docker" "inspect" "2a4b4a94f1cea2fa17e66aea726efee5ee6e1bfe51014898fd879466d5210b6d"`
[INFO] running `"docker" "rm" "-f" "2a4b4a94f1cea2fa17e66aea726efee5ee6e1bfe51014898fd879466d5210b6d"`
[INFO] [stdout] 2a4b4a94f1cea2fa17e66aea726efee5ee6e1bfe51014898fd879466d5210b6d
[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] 7d89026a69679d1723e2819f69d40f448315b58e7d111a8a13abc083773e15b1
[INFO] running `"docker" "start" "-a" "7d89026a69679d1723e2819f69d40f448315b58e7d111a8a13abc083773e15b1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/genetic-fc4944ef54cb4726
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test levenshtein::test_levenshtein ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7d89026a69679d1723e2819f69d40f448315b58e7d111a8a13abc083773e15b1"`
[INFO] running `"docker" "rm" "-f" "7d89026a69679d1723e2819f69d40f448315b58e7d111a8a13abc083773e15b1"`
[INFO] [stdout] 7d89026a69679d1723e2819f69d40f448315b58e7d111a8a13abc083773e15b1