[INFO] crate ttk4145_elevator_server 0.1.3 is already in cache
[INFO] checking ttk4145_elevator_server-0.1.3 against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] extracting crate ttk4145_elevator_server 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ttk4145_elevator_server 0.1.3 on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ttk4145_elevator_server 0.1.3
[INFO] finished tweaking crates.io crate ttk4145_elevator_server 0.1.3
[INFO] tweaked toml for crates.io crate ttk4145_elevator_server 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "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" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "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] eb6fc6841deef44d901ac1a94a28760acbe7bebe97639066dbfd4d5ff503d4aa
[INFO] running `"docker" "start" "-a" "eb6fc6841deef44d901ac1a94a28760acbe7bebe97639066dbfd4d5ff503d4aa"`
[INFO] [stderr]     Checking ttk4145_elevator_server v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: crate `ElevatorServer` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `elevator_server`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:422:13
[INFO] [stderr]     |
[INFO] [stderr] 422 |         for i in 0..4 {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `ElevatorServer` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `elevator_server`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::sync::MutexGuard` that must be used
[INFO] [stderr]    --> src/main.rs:333:9
[INFO] [stderr]     |
[INFO] [stderr] 333 |         ELEVATOR.lock().unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if unused the Mutex will immediately unlock
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "eb6fc6841deef44d901ac1a94a28760acbe7bebe97639066dbfd4d5ff503d4aa"`
[INFO] running `"docker" "rm" "-f" "eb6fc6841deef44d901ac1a94a28760acbe7bebe97639066dbfd4d5ff503d4aa"`
[INFO] [stdout] eb6fc6841deef44d901ac1a94a28760acbe7bebe97639066dbfd4d5ff503d4aa