[INFO] fetching crate qrs_detector 0.1.1...
[INFO] checking qrs_detector-0.1.1 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] extracting crate qrs_detector 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate qrs_detector 0.1.1 on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate qrs_detector 0.1.1
[INFO] finished tweaking crates.io crate qrs_detector 0.1.1
[INFO] tweaked toml for crates.io crate qrs_detector 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sliding_window v0.1.2
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5ba2a5233bc2114e14b037dd1e92ddea335cb895e47f374b3a301769269d26a7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "5ba2a5233bc2114e14b037dd1e92ddea335cb895e47f374b3a301769269d26a7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking micromath v1.0.0
[INFO] [stderr]     Checking generic-array v0.14.1
[INFO] [stderr]     Checking sliding_window v0.1.2
[INFO] [stderr]     Checking qrs_detector v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `micromath::F32Ext`
[INFO] [stderr]   --> src/lib.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     use micromath::F32Ext;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.85s
[INFO] running `"docker" "inspect" "5ba2a5233bc2114e14b037dd1e92ddea335cb895e47f374b3a301769269d26a7"`
[INFO] running `"docker" "rm" "-f" "5ba2a5233bc2114e14b037dd1e92ddea335cb895e47f374b3a301769269d26a7"`
[INFO] [stdout] 5ba2a5233bc2114e14b037dd1e92ddea335cb895e47f374b3a301769269d26a7