[INFO] fetching crate ilyvion-util 0.3.1...
[INFO] testing ilyvion-util-0.3.1 against beta-2021-01-01 for beta-1.50-1
[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 beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded borrowned v0.1.0
[INFO] running `Command { std: "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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60f4b50c31b714d6e731ad91682ec1171516b426810abddce6b44be10accaaee
[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" "60f4b50c31b714d6e731ad91682ec1171516b426810abddce6b44be10accaaee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60f4b50c31b714d6e731ad91682ec1171516b426810abddce6b44be10accaaee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60f4b50c31b714d6e731ad91682ec1171516b426810abddce6b44be10accaaee", kill_on_drop: false }`
[INFO] [stdout] 60f4b50c31b714d6e731ad91682ec1171516b426810abddce6b44be10accaaee
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de376d3d3105a2bdb9c3b7887c20ff91a11829e394e4c576c5ee936d57a0ce45
[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" "de376d3d3105a2bdb9c3b7887c20ff91a11829e394e4c576c5ee936d57a0ce45", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling borrowned v0.1.0
[INFO] [stderr]    Compiling shrinkwraprs v0.2.3
[INFO] [stderr]    Compiling ilyvion-util v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.67s
[INFO] running `Command { std: "docker" "inspect" "de376d3d3105a2bdb9c3b7887c20ff91a11829e394e4c576c5ee936d57a0ce45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de376d3d3105a2bdb9c3b7887c20ff91a11829e394e4c576c5ee936d57a0ce45", kill_on_drop: false }`
[INFO] [stdout] de376d3d3105a2bdb9c3b7887c20ff91a11829e394e4c576c5ee936d57a0ce45
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a6e4dab1f9cc6e4e751fece37af98654f676680c020c3b604afc716395405ba
[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" "7a6e4dab1f9cc6e4e751fece37af98654f676680c020c3b604afc716395405ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 test [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "7a6e4dab1f9cc6e4e751fece37af98654f676680c020c3b604afc716395405ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a6e4dab1f9cc6e4e751fece37af98654f676680c020c3b604afc716395405ba", kill_on_drop: false }`
[INFO] [stdout] 7a6e4dab1f9cc6e4e751fece37af98654f676680c020c3b604afc716395405ba
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 11d2bb8540c238e30b4bc65edf87a42f0f4050f0d20920f4062273da81a86c5a
[INFO] running `Command { std: "docker" "start" "-a" "11d2bb8540c238e30b4bc65edf87a42f0f4050f0d20920f4062273da81a86c5a", kill_on_drop: false }`
[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 test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ilyvion_util-4fe48276febfc756
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test cache::tests::cache_value_is_available_after_first_access ... ok
[INFO] [stdout] test cache::tests::cache_value_is_not_available_before_access ... ok
[INFO] [stdout] test cache::tests::cache_value_is_only_calculated_once ... ok
[INFO] [stdout] test cache::tests::keyed_cache_value_is_correct ... ok
[INFO] [stdout] test cache::tests::keyed_cache_value_is_available_after_first_access ... ok
[INFO] [stdout] test color::tests::validate_to_rgb ... ok
[INFO] [stdout] test cache::tests::cache_mut ... ok
[INFO] [stdout] test cache::tests::keyed_cache_value_is_not_available_before_access ... ok
[INFO] [stdout] test cache::tests::cache_value_is_correct ... ok
[INFO] [stdout] test cache::tests::keyed_cache_value_is_only_calculated_once ... ok
[INFO] [stdout] test color::tests::validate_to_hsv ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ilyvion-util
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/multi_dimensional/slice2d.rs - multi_dimensional::slice2d::Window2D (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.66s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "11d2bb8540c238e30b4bc65edf87a42f0f4050f0d20920f4062273da81a86c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11d2bb8540c238e30b4bc65edf87a42f0f4050f0d20920f4062273da81a86c5a", kill_on_drop: false }`
[INFO] [stdout] 11d2bb8540c238e30b4bc65edf87a42f0f4050f0d20920f4062273da81a86c5a