[INFO] fetching crate ilyvion-util 0.3.1...
[INFO] checking ilyvion-util-0.3.1 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate ilyvion-util 0.3.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ilyvion-util 0.3.1 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 298da9efd0c31c23c55cee74d620911ec328c0d55ee22a25b0440c5df1c4c260
[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" "298da9efd0c31c23c55cee74d620911ec328c0d55ee22a25b0440c5df1c4c260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "298da9efd0c31c23c55cee74d620911ec328c0d55ee22a25b0440c5df1c4c260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "298da9efd0c31c23c55cee74d620911ec328c0d55ee22a25b0440c5df1c4c260", kill_on_drop: false }`
[INFO] [stdout] 298da9efd0c31c23c55cee74d620911ec328c0d55ee22a25b0440c5df1c4c260
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 910a1a00d173d6eed372b51fa9ad26dfe27990c528a027c7404fa6310c540ab8
[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" "910a1a00d173d6eed372b51fa9ad26dfe27990c528a027c7404fa6310c540ab8", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking borrowned v0.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling syn v1.0.60
[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 17.32s
[INFO] running `Command { std: "docker" "inspect" "910a1a00d173d6eed372b51fa9ad26dfe27990c528a027c7404fa6310c540ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "910a1a00d173d6eed372b51fa9ad26dfe27990c528a027c7404fa6310c540ab8", kill_on_drop: false }`
[INFO] [stdout] 910a1a00d173d6eed372b51fa9ad26dfe27990c528a027c7404fa6310c540ab8