[INFO] updating cached repository https://github.com/GlooriousWalrus/learning-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] 0274fa44ddc9ee098b167fe9763ace734da4904c
[INFO] checking GlooriousWalrus/learning-rust against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGlooriousWalrus%2Flearning-rust" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GlooriousWalrus/learning-rust on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/GlooriousWalrus/learning-rust
[INFO] finished tweaking git repo https://github.com/GlooriousWalrus/learning-rust
[INFO] tweaked toml for git repo https://github.com/GlooriousWalrus/learning-rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/GlooriousWalrus/learning-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 52b553be76ad0957dd2038f022b9380f60321522127671b1c16225a8a38261df
[INFO] running `"docker" "start" "-a" "52b553be76ad0957dd2038f022b9380f60321522127671b1c16225a8a38261df"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking bunnies v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `kek`
[INFO] [stderr]    --> src/game/mod.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |             let kek = colony.iter().take_while(|x| x.ghoul == false);
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_kek`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]    --> src/game/mod.rs:145:17
[INFO] [stderr]     |
[INFO] [stderr] 145 |             let rng: usize = rand::thread_rng().gen_range(0, colony.len() - 1);
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `kek`
[INFO] [stderr]    --> src/game/mod.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |             let kek = colony.iter().take_while(|x| x.ghoul == false);
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_kek`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]    --> src/game/mod.rs:145:17
[INFO] [stderr]     |
[INFO] [stderr] 145 |             let rng: usize = rand::thread_rng().gen_range(0, colony.len() - 1);
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `"docker" "inspect" "52b553be76ad0957dd2038f022b9380f60321522127671b1c16225a8a38261df"`
[INFO] running `"docker" "rm" "-f" "52b553be76ad0957dd2038f022b9380f60321522127671b1c16225a8a38261df"`
[INFO] [stdout] 52b553be76ad0957dd2038f022b9380f60321522127671b1c16225a8a38261df