[INFO] updating cached repository https://github.com/greizgh/hello-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] checking greizgh/hello-rust against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreizgh%2Fhello-rust" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/greizgh/hello-rust on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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 /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/greizgh/hello-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7c441b7e1c15464383aae6890ce49f56a35f25096bf892ff42873e69c3af7418
[INFO] running `"docker" "start" "-a" "7c441b7e1c15464383aae6890ce49f56a35f25096bf892ff42873e69c3af7418"`
[INFO] [stderr]     Checking genetic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/main.rs:65:18
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fitness: &'a (Fn(&Individual) -> i32),
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[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] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/main.rs:65:18
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fitness: &'a (Fn(&Individual) -> i32),
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[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 1.08s
[INFO] running `"docker" "inspect" "7c441b7e1c15464383aae6890ce49f56a35f25096bf892ff42873e69c3af7418"`
[INFO] running `"docker" "rm" "-f" "7c441b7e1c15464383aae6890ce49f56a35f25096bf892ff42873e69c3af7418"`
[INFO] [stdout] 7c441b7e1c15464383aae6890ce49f56a35f25096bf892ff42873e69c3af7418