[INFO] fetching crate goertzel 0.2.0...
[INFO] checking goertzel-0.2.0 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate goertzel 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate goertzel 0.2.0 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate goertzel 0.2.0
[INFO] finished tweaking crates.io crate goertzel 0.2.0
[INFO] tweaked toml for crates.io crate goertzel 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "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] 3c3260634e61625eb41c2e92aec2a48dbddc0c5967e05b693320851fc8c73dd9
[INFO] running `Command { std: "docker" "start" "-a" "3c3260634e61625eb41c2e92aec2a48dbddc0c5967e05b693320851fc8c73dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c3260634e61625eb41c2e92aec2a48dbddc0c5967e05b693320851fc8c73dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c3260634e61625eb41c2e92aec2a48dbddc0c5967e05b693320851fc8c73dd9", kill_on_drop: false }`
[INFO] [stdout] 3c3260634e61625eb41c2e92aec2a48dbddc0c5967e05b693320851fc8c73dd9
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "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] f04296a7fe7fd9df43f1cba179b9a454ef6a4c75603b5d78fdb8a5c49afa85d2
[INFO] running `Command { std: "docker" "start" "-a" "f04296a7fe7fd9df43f1cba179b9a454ef6a4c75603b5d78fdb8a5c49afa85d2", kill_on_drop: false }`
[INFO] [stderr]     Checking goertzel v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::f32::consts::PI`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::f32::consts::PI;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/lib.rs:78:23
[INFO] [stdout]    |
[INFO] [stdout] 78 |         for sample in (0 .. 8000) {
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "f04296a7fe7fd9df43f1cba179b9a454ef6a4c75603b5d78fdb8a5c49afa85d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f04296a7fe7fd9df43f1cba179b9a454ef6a4c75603b5d78fdb8a5c49afa85d2", kill_on_drop: false }`
[INFO] [stdout] f04296a7fe7fd9df43f1cba179b9a454ef6a4c75603b5d78fdb8a5c49afa85d2