[INFO] fetching crate leonardo-heap 0.3.0...
[INFO] checking leonardo-heap-0.3.0 against try#075992eda207e1647b699c8c8ada67b32ce7b115 for pr-77271
[INFO] extracting crate leonardo-heap 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate leonardo-heap 0.3.0 on toolchain 075992eda207e1647b699c8c8ada67b32ce7b115
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate leonardo-heap 0.3.0
[INFO] finished tweaking crates.io crate leonardo-heap 0.3.0
[INFO] tweaked toml for crates.io crate leonardo-heap 0.3.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 285b7c0c0d66809c5acc27c4c365fd5acbca5acf9c74baade6bdb591f31350aa
[INFO] running `Command { std: "docker" "start" "-a" "285b7c0c0d66809c5acc27c4c365fd5acbca5acf9c74baade6bdb591f31350aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "285b7c0c0d66809c5acc27c4c365fd5acbca5acf9c74baade6bdb591f31350aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "285b7c0c0d66809c5acc27c4c365fd5acbca5acf9c74baade6bdb591f31350aa", kill_on_drop: false }`
[INFO] [stdout] 285b7c0c0d66809c5acc27c4c365fd5acbca5acf9c74baade6bdb591f31350aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cc7f31ba48558dad67004b8e60c9891a645d2710375dda3a76cf5e4024804ad
[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" "1cc7f31ba48558dad67004b8e60c9891a645d2710375dda3a76cf5e4024804ad", kill_on_drop: false }`
[INFO] [stderr]     Checking leonardo-heap v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `leonardo_closed`
[INFO] [stdout]   --> src/leonardo.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn leonardo_closed(order: u32) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `leonardo_naive`
[INFO] [stdout]   --> src/leonardo.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn leonardo_naive(order: u32) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_from_len`
[INFO] [stdout]   --> src/layout.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new_from_len(size: usize) -> Self {
[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 0.66s
[INFO] running `Command { std: "docker" "inspect" "1cc7f31ba48558dad67004b8e60c9891a645d2710375dda3a76cf5e4024804ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cc7f31ba48558dad67004b8e60c9891a645d2710375dda3a76cf5e4024804ad", kill_on_drop: false }`
[INFO] [stdout] 1cc7f31ba48558dad67004b8e60c9891a645d2710375dda3a76cf5e4024804ad