[INFO] updating cached repository greizgh/hello-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/greizgh/hello-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/greizgh/hello-rust" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/greizgh/hello-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/greizgh/hello-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/greizgh/hello-rust" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/greizgh/hello-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/greizgh/hello-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7919ca39823e0ce858420c05c67fdf4d4f1b11a4
[INFO] sha for GitHub repo greizgh/hello-rust: 7919ca39823e0ce858420c05c67fdf4d4f1b11a4
[INFO] validating manifest of greizgh/hello-rust on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of greizgh/hello-rust on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing greizgh/hello-rust
[INFO] finished frobbing greizgh/hello-rust
[INFO] frobbed toml for greizgh/hello-rust written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/greizgh/hello-rust/Cargo.toml
[INFO] started frobbing greizgh/hello-rust
[INFO] finished frobbing greizgh/hello-rust
[INFO] frobbed toml for greizgh/hello-rust written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/greizgh/hello-rust/Cargo.toml
[INFO] crate greizgh/hello-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking greizgh/hello-rust against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/greizgh/hello-rust:/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=forbid" "-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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d7d372830e27b8176dda2f15cd053ffb4a64c8e057ea5c8fcda97b754dd20c05
[INFO] running `"docker" "start" "-a" "d7d372830e27b8176dda2f15cd053ffb4a64c8e057ea5c8fcda97b754dd20c05"`
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking genetic v0.1.0 (/opt/crater/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] 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 2.11s
[INFO] running `"docker" "inspect" "d7d372830e27b8176dda2f15cd053ffb4a64c8e057ea5c8fcda97b754dd20c05"`
[INFO] running `"docker" "rm" "-f" "d7d372830e27b8176dda2f15cd053ffb4a64c8e057ea5c8fcda97b754dd20c05"`
[INFO] [stdout] d7d372830e27b8176dda2f15cd053ffb4a64c8e057ea5c8fcda97b754dd20c05