[INFO] fetching crate ilyvion-util 0.3.1...
[INFO] checking ilyvion-util-0.3.1 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate ilyvion-util 0.3.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ilyvion-util 0.3.1 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ce94224dec21cca7cd42c4d73c5b98be1eadd671ec1fce7b6d9c0449700e3bc
[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" "7ce94224dec21cca7cd42c4d73c5b98be1eadd671ec1fce7b6d9c0449700e3bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ce94224dec21cca7cd42c4d73c5b98be1eadd671ec1fce7b6d9c0449700e3bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce94224dec21cca7cd42c4d73c5b98be1eadd671ec1fce7b6d9c0449700e3bc", kill_on_drop: false }`
[INFO] [stdout] 7ce94224dec21cca7cd42c4d73c5b98be1eadd671ec1fce7b6d9c0449700e3bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49c58903323a1bf31528eb0640c900d1119405a5b4a4d00871f3869de645346c
[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" "49c58903323a1bf31528eb0640c900d1119405a5b4a4d00871f3869de645346c", kill_on_drop: false }`
[INFO] [stderr]     Checking borrowned v0.1.0
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling shrinkwraprs v0.2.3
[INFO] [stderr]     Checking ilyvion-util v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused result
[INFO] [stdout]    --> src/cache.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |         sut.value_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:20:9
[INFO] [stdout]     |
[INFO] [stdout] 20  | #![warn(unused_results)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused result
[INFO] [stdout]    --> src/cache.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         sut.value_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused result
[INFO] [stdout]    --> src/cache.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         sut.value_mut();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused result
[INFO] [stdout]    --> src/cache.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         sut.value_mut(5);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused result
[INFO] [stdout]    --> src/cache.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         sut.value_mut(5);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused result
[INFO] [stdout]    --> src/cache.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         sut.value_mut(10);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused result
[INFO] [stdout]    --> src/cache.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |         sut.value_mut(10);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused result
[INFO] [stdout]    --> src/cache.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |         sut.value_mut(69);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.00s
[INFO] running `Command { std: "docker" "inspect" "49c58903323a1bf31528eb0640c900d1119405a5b4a4d00871f3869de645346c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49c58903323a1bf31528eb0640c900d1119405a5b4a4d00871f3869de645346c", kill_on_drop: false }`
[INFO] [stdout] 49c58903323a1bf31528eb0640c900d1119405a5b4a4d00871f3869de645346c