[INFO] cloning repository https://github.com/maxfierke/elevators
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxfierke/elevators" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxfierke%2Felevators", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxfierke%2Felevators'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd87dd2d5b26ac9cbd7264653789ca552c1e4edc
[INFO] checking maxfierke/elevators against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxfierke%2Felevators" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maxfierke/elevators on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maxfierke/elevators
[INFO] finished tweaking git repo https://github.com/maxfierke/elevators
[INFO] tweaked toml for git repo https://github.com/maxfierke/elevators written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/maxfierke/elevators already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e8a2e737828cc2d3b860c31f6015441e5a105d6c0b4b9d4156be60c9324516d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6e8a2e737828cc2d3b860c31f6015441e5a105d6c0b4b9d4156be60c9324516d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e8a2e737828cc2d3b860c31f6015441e5a105d6c0b4b9d4156be60c9324516d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e8a2e737828cc2d3b860c31f6015441e5a105d6c0b4b9d4156be60c9324516d", kill_on_drop: false }`
[INFO] [stdout] 6e8a2e737828cc2d3b860c31f6015441e5a105d6c0b4b9d4156be60c9324516d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06a150d74c228de239dccc8cfa4bfe280b793f78475ae1991ab317c8bfbc144f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "06a150d74c228de239dccc8cfa4bfe280b793f78475ae1991ab317c8bfbc144f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking elevators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `SetDirection`
[INFO] [stdout]   --> src/elevator.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     SetDirection(ElevatorDirection),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GoToFloor`
[INFO] [stdout]   --> src/elevator.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     GoToFloor(Floor),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `floors`
[INFO] [stdout]   --> src/elevator.rs:93:3
[INFO] [stdout]    |
[INFO] [stdout] 93 |   floors: &'static Vec<Floor>
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SetDirection`
[INFO] [stdout]   --> src/elevator.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     SetDirection(ElevatorDirection),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GoToFloor`
[INFO] [stdout]   --> src/elevator.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     GoToFloor(Floor),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `floors`
[INFO] [stdout]   --> src/elevator.rs:93:3
[INFO] [stdout]    |
[INFO] [stdout] 93 |   floors: &'static Vec<Floor>
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.02s
[INFO] running `Command { std: "docker" "inspect" "06a150d74c228de239dccc8cfa4bfe280b793f78475ae1991ab317c8bfbc144f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06a150d74c228de239dccc8cfa4bfe280b793f78475ae1991ab317c8bfbc144f", kill_on_drop: false }`
[INFO] [stdout] 06a150d74c228de239dccc8cfa4bfe280b793f78475ae1991ab317c8bfbc144f