[INFO] updating cached repository https://github.com/frnsys/rust-sim
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/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] fe1c4fea93a0cffd0d3d1b721314953097a99b4f
[INFO] checking frnsys/rust-sim against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrnsys%2Frust-sim" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frnsys/rust-sim on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/frnsys/rust-sim
[INFO] finished tweaking git repo https://github.com/frnsys/rust-sim
[INFO] tweaked toml for git repo https://github.com/frnsys/rust-sim written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/frnsys/rust-sim already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/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=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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1cab699e625c04dfa2db8d4f23d9a7327f1c396452e60552b975a6b6a7571faa
[INFO] running `"docker" "start" "-a" "1cab699e625c04dfa2db8d4f23d9a7327f1c396452e60552b975a6b6a7571faa"`
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking rmp-serialize v0.7.0
[INFO] [stderr]     Checking uuid v0.2.3
[INFO] [stderr]     Checking redis v0.8.0
[INFO] [stderr]     Checking futures v0.1.7
[INFO] [stderr]     Checking futures-cpupool v0.1.2
[INFO] [stderr]     Checking sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `agent`
[INFO] [stderr]   --> examples/culture.rs:33:21
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn setup(&self, agent: Agent<Self::State>, population: &Population<Self>) -> () {}
[INFO] [stderr]    |                     ^^^^^ help: consider prefixing with an underscore: `_agent`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `population`
[INFO] [stderr]   --> examples/culture.rs:33:48
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn setup(&self, agent: Agent<Self::State>, population: &Population<Self>) -> () {}
[INFO] [stderr]    |                                                ^^^^^^^^^^ help: consider prefixing with an underscore: `_population`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `world`
[INFO] [stderr]   --> examples/culture.rs:37:15
[INFO] [stderr]    |
[INFO] [stderr] 37 |               world: Self::World,
[INFO] [stderr]    |               ^^^^^ help: consider prefixing with an underscore: `_world`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `world`
[INFO] [stderr]   --> examples/basic.rs:38:15
[INFO] [stderr]    |
[INFO] [stderr] 38 |               world: Self::World,
[INFO] [stderr]    |               ^^^^^ help: consider prefixing with an underscore: `_world`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.54s
[INFO] running `"docker" "inspect" "1cab699e625c04dfa2db8d4f23d9a7327f1c396452e60552b975a6b6a7571faa"`
[INFO] running `"docker" "rm" "-f" "1cab699e625c04dfa2db8d4f23d9a7327f1c396452e60552b975a6b6a7571faa"`
[INFO] [stdout] 1cab699e625c04dfa2db8d4f23d9a7327f1c396452e60552b975a6b6a7571faa