[INFO] cloning repository https://github.com/STYAGAYLO/ElevatorByRust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/STYAGAYLO/ElevatorByRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSTYAGAYLO%2FElevatorByRust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSTYAGAYLO%2FElevatorByRust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 53bb287a16509fe8e9d8bc5bc9cd3df4e8ce49f3
[INFO] checking STYAGAYLO/ElevatorByRust against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSTYAGAYLO%2FElevatorByRust" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/STYAGAYLO/ElevatorByRust on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/STYAGAYLO/ElevatorByRust
[INFO] finished tweaking git repo https://github.com/STYAGAYLO/ElevatorByRust
[INFO] tweaked toml for git repo https://github.com/STYAGAYLO/ElevatorByRust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/STYAGAYLO/ElevatorByRust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 4fed5dc747cc153142ecec7194b409430decb7f887a08423d415a0a8af6b54cc
[INFO] running `"docker" "start" "-a" "4fed5dc747cc153142ecec7194b409430decb7f887a08423d415a0a8af6b54cc"`
[INFO] [stderr]     Checking libc v0.2.35
[INFO] [stderr]     Checking quickersort v3.0.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking ElevatorRust111 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/environment.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     for i in 0..15 {
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/controller.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let mut env = env;
[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/controller.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut elevator = &mut Elevator::new(0,0, false);
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `ElevatorRust111` 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_rust111`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/environment.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     for i in 0..15 {
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/controller.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let mut env = env;
[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/controller.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut elevator = &mut Elevator::new(0,0, false);
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `ElevatorRust111` 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_rust111`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.30s
[INFO] running `"docker" "inspect" "4fed5dc747cc153142ecec7194b409430decb7f887a08423d415a0a8af6b54cc"`
[INFO] running `"docker" "rm" "-f" "4fed5dc747cc153142ecec7194b409430decb7f887a08423d415a0a8af6b54cc"`
[INFO] [stdout] 4fed5dc747cc153142ecec7194b409430decb7f887a08423d415a0a8af6b54cc