[INFO] crate procfs 0.7.8 is already in cache
[INFO] checking procfs-0.7.8 against try#d93021f5faa26e4f9d2719e79f9974e06aa40e17 for pr-71873
[INFO] extracting crate procfs 0.7.8 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate procfs 0.7.8 on toolchain d93021f5faa26e4f9d2719e79f9974e06aa40e17
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate procfs 0.7.8
[INFO] finished tweaking crates.io crate procfs 0.7.8
[INFO] tweaked toml for crates.io crate procfs 0.7.8 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate procfs 0.7.8 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6a7912a0964982a8c587ba1d1002dbf520a2a4709e12ce7d1e67e3e68de4e39d
[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" "6a7912a0964982a8c587ba1d1002dbf520a2a4709e12ce7d1e67e3e68de4e39d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking procfs v0.7.8 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/pressure.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 176 |         (value >= 0.00 && value < 100.0)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.39s
[INFO] running `"docker" "inspect" "6a7912a0964982a8c587ba1d1002dbf520a2a4709e12ce7d1e67e3e68de4e39d"`
[INFO] running `"docker" "rm" "-f" "6a7912a0964982a8c587ba1d1002dbf520a2a4709e12ce7d1e67e3e68de4e39d"`
[INFO] [stdout] 6a7912a0964982a8c587ba1d1002dbf520a2a4709e12ce7d1e67e3e68de4e39d