[INFO] updating cached repository https://github.com/AgustinCB/rustedpond
[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] 2bdd36825b61fd611a58a5e28a7f5cb4f82cbda0
[INFO] checking AgustinCB/rustedpond against try#ba14a92a10441c4b839ce71e6ef5f7a48bbff18f for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAgustinCB%2Frustedpond" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AgustinCB/rustedpond on toolchain ba14a92a10441c4b839ce71e6ef5f7a48bbff18f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/AgustinCB/rustedpond
[INFO] finished tweaking git repo https://github.com/AgustinCB/rustedpond
[INFO] tweaked toml for git repo https://github.com/AgustinCB/rustedpond written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/AgustinCB/rustedpond already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "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] 31f9f15667bed37b87bf02d539850ae2012558c9ba4fb455e3fd31f3dc2d7a66
[INFO] running `"docker" "start" "-a" "31f9f15667bed37b87bf02d539850ae2012558c9ba4fb455e3fd31f3dc2d7a66"`
[INFO] [stderr]     Checking rustedpond v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib/cell_vm.rs:125:29
[INFO] [stderr]     |
[INFO] [stderr] 125 |                 if let Some(mut input_pointer) = self.loop_stack.pop() {
[INFO] [stderr]     |                             ----^^^^^^^^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib/genome.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 |             let mut n = generator.generate_integer() as u8;
[INFO] [stderr]    |                 ----^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib/cell_vm.rs:125:29
[INFO] [stderr]     |
[INFO] [stderr] 125 |                 if let Some(mut input_pointer) = self.loop_stack.pop() {
[INFO] [stderr]     |                             ----^^^^^^^^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib/genome.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 |             let mut n = generator.generate_integer() as u8;
[INFO] [stderr]    |                 ----^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `"docker" "inspect" "31f9f15667bed37b87bf02d539850ae2012558c9ba4fb455e3fd31f3dc2d7a66"`
[INFO] running `"docker" "rm" "-f" "31f9f15667bed37b87bf02d539850ae2012558c9ba4fb455e3fd31f3dc2d7a66"`
[INFO] [stdout] 31f9f15667bed37b87bf02d539850ae2012558c9ba4fb455e3fd31f3dc2d7a66