[INFO] fetching crate mcpat 0.9.0...
[INFO] checking mcpat-0.9.0 against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] extracting crate mcpat 0.9.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mcpat 0.9.0 on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcpat 0.9.0
[INFO] finished tweaking crates.io crate mcpat 0.9.0
[INFO] tweaked toml for crates.io crate mcpat 0.9.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hiredis v0.3.1
[INFO] [stderr]   Downloaded fixture v0.3.1
[INFO] [stderr]   Downloaded mcpat-sys v0.8.0
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "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] f63dc3101da28de0615684c5d1d9e73c8d3598e4391e6db25ae2e1e5b3e3ea61
[INFO] running `Command { std: "docker" "start" "-a" "f63dc3101da28de0615684c5d1d9e73c8d3598e4391e6db25ae2e1e5b3e3ea61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f63dc3101da28de0615684c5d1d9e73c8d3598e4391e6db25ae2e1e5b3e3ea61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f63dc3101da28de0615684c5d1d9e73c8d3598e4391e6db25ae2e1e5b3e3ea61", kill_on_drop: false }`
[INFO] [stdout] f63dc3101da28de0615684c5d1d9e73c8d3598e4391e6db25ae2e1e5b3e3ea61
[INFO] running `Command { std: "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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 95d789cb3c7060434b4cf9a69d137eed26e61b7d4d34ca45189dd50a56cb9b4f
[INFO] running `Command { std: "docker" "start" "-a" "95d789cb3c7060434b4cf9a69d137eed26e61b7d4d34ca45189dd50a56cb9b4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling mcpat-sys v0.8.0
[INFO] [stderr]     Checking fixture v0.3.1
[INFO] [stderr]     Checking mcpat v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> tests/support/mod.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / macro_rules! round(
[INFO] [stdout] 8  | |     ($value:expr, $precision:expr) => ({
[INFO] [stdout] 9  | |         let scale = 10f64.powi($precision);
[INFO] [stdout] 10 | |         ($value * scale).round() / scale
[INFO] [stdout] 11 | |     });
[INFO] [stdout] 12 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "95d789cb3c7060434b4cf9a69d137eed26e61b7d4d34ca45189dd50a56cb9b4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95d789cb3c7060434b4cf9a69d137eed26e61b7d4d34ca45189dd50a56cb9b4f", kill_on_drop: false }`
[INFO] [stdout] 95d789cb3c7060434b4cf9a69d137eed26e61b7d4d34ca45189dd50a56cb9b4f