[INFO] fetching crate mcpat 0.9.0...
[INFO] checking mcpat-0.9.0 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate mcpat 0.9.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mcpat 0.9.0 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "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-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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07d7d6b485f1b04a901455f0ddff9a093e8c5bfb636305f52a7a425255e8b4a9
[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" "07d7d6b485f1b04a901455f0ddff9a093e8c5bfb636305f52a7a425255e8b4a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07d7d6b485f1b04a901455f0ddff9a093e8c5bfb636305f52a7a425255e8b4a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07d7d6b485f1b04a901455f0ddff9a093e8c5bfb636305f52a7a425255e8b4a9", kill_on_drop: false }`
[INFO] [stdout] 07d7d6b485f1b04a901455f0ddff9a093e8c5bfb636305f52a7a425255e8b4a9
[INFO] running `Command { std: "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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 292b9045d2ae1d5c8d734532cce40354ee9a03290ca41d1abf0ec1941804e206
[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" "292b9045d2ae1d5c8d734532cce40354ee9a03290ca41d1abf0ec1941804e206", kill_on_drop: false }`
[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 12s
[INFO] running `Command { std: "docker" "inspect" "292b9045d2ae1d5c8d734532cce40354ee9a03290ca41d1abf0ec1941804e206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "292b9045d2ae1d5c8d734532cce40354ee9a03290ca41d1abf0ec1941804e206", kill_on_drop: false }`
[INFO] [stdout] 292b9045d2ae1d5c8d734532cce40354ee9a03290ca41d1abf0ec1941804e206