[INFO] fetching crate monotron-synth 0.2.0... [INFO] checking monotron-synth-0.2.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714 [INFO] extracting crate monotron-synth 0.2.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate monotron-synth 0.2.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate monotron-synth 0.2.0 [INFO] finished tweaking crates.io crate monotron-synth 0.2.0 [INFO] tweaked toml for crates.io crate monotron-synth 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libpulse-simple-sys v1.13.2 [INFO] [stderr] Downloaded libpulse-simple-binding v2.16.1 [INFO] [stderr] Downloaded libpulse-binding v2.16.2 [INFO] [stderr] Downloaded libpulse-sys v1.13.2 [INFO] running `Command { std: "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" "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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 655c4313d6a0d7585fdc2114ebc251a1aabd7b1fa07029b1a8cc475d3b6161d6 [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" "655c4313d6a0d7585fdc2114ebc251a1aabd7b1fa07029b1a8cc475d3b6161d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "655c4313d6a0d7585fdc2114ebc251a1aabd7b1fa07029b1a8cc475d3b6161d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "655c4313d6a0d7585fdc2114ebc251a1aabd7b1fa07029b1a8cc475d3b6161d6", kill_on_drop: false }` [INFO] [stdout] 655c4313d6a0d7585fdc2114ebc251a1aabd7b1fa07029b1a8cc475d3b6161d6 [INFO] running `Command { std: "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" "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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 063fe2d06f423e0e3a94c4f0569394ab1f066030bee0084f5a392dc6c13bd114 [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" "063fe2d06f423e0e3a94c4f0569394ab1f066030bee0084f5a392dc6c13bd114", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking monotron-synth v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling libpulse-sys v1.13.2 [INFO] [stderr] Compiling libpulse-simple-sys v1.13.2 [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:359:9 [INFO] [stdout] | [INFO] [stdout] 359 | (intermediate as u8) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking libpulse-binding v2.16.2 [INFO] [stderr] Checking libpulse-simple-binding v2.16.1 [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:359:9 [INFO] [stdout] | [INFO] [stdout] 359 | (intermediate as u8) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` 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 4.91s [INFO] running `Command { std: "docker" "inspect" "063fe2d06f423e0e3a94c4f0569394ab1f066030bee0084f5a392dc6c13bd114", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "063fe2d06f423e0e3a94c4f0569394ab1f066030bee0084f5a392dc6c13bd114", kill_on_drop: false }` [INFO] [stdout] 063fe2d06f423e0e3a94c4f0569394ab1f066030bee0084f5a392dc6c13bd114