[INFO] fetching crate ilyvion-util 0.3.1...
[INFO] checking ilyvion-util-0.3.1 against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] extracting crate ilyvion-util 0.3.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ilyvion-util 0.3.1 on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ilyvion-util 0.3.1
[INFO] finished tweaking crates.io crate ilyvion-util 0.3.1
[INFO] tweaked toml for crates.io crate ilyvion-util 0.3.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0f9e758949583b2b1b1a13d0cfac4eb3decaff4c3118d3ef4747bb23f6a28399
[INFO] running `"docker" "start" "-a" "0f9e758949583b2b1b1a13d0cfac4eb3decaff4c3118d3ef4747bb23f6a28399"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking borrowned v0.1.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling shrinkwraprs v0.2.3
[INFO] [stderr]     Checking ilyvion-util v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused result
[INFO] [stderr]    --> src/cache.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |         sut.value_mut();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:20:9
[INFO] [stderr]     |
[INFO] [stderr] 20  | #![warn(unused_results)]
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused result
[INFO] [stderr]    --> src/cache.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         sut.value_mut();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused result
[INFO] [stderr]    --> src/cache.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |         sut.value_mut();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused result
[INFO] [stderr]    --> src/cache.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         sut.value_mut(5);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused result
[INFO] [stderr]    --> src/cache.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |         sut.value_mut(5);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused result
[INFO] [stderr]    --> src/cache.rs:159:9
[INFO] [stderr]     |
[INFO] [stderr] 159 |         sut.value_mut(10);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused result
[INFO] [stderr]    --> src/cache.rs:160:9
[INFO] [stderr]     |
[INFO] [stderr] 160 |         sut.value_mut(10);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused result
[INFO] [stderr]    --> src/cache.rs:186:9
[INFO] [stderr]     |
[INFO] [stderr] 186 |         sut.value_mut(69);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.10s
[INFO] running `"docker" "inspect" "0f9e758949583b2b1b1a13d0cfac4eb3decaff4c3118d3ef4747bb23f6a28399"`
[INFO] running `"docker" "rm" "-f" "0f9e758949583b2b1b1a13d0cfac4eb3decaff4c3118d3ef4747bb23f6a28399"`
[INFO] [stdout] 0f9e758949583b2b1b1a13d0cfac4eb3decaff4c3118d3ef4747bb23f6a28399