[INFO] fetching crate simple_optimization 0.12.1...
[INFO] testing simple_optimization-0.12.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate simple_optimization 0.12.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate simple_optimization 0.12.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple_optimization 0.12.1
[INFO] finished tweaking crates.io crate simple_optimization 0.12.1
[INFO] tweaked toml for crates.io crate simple_optimization 0.12.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded print_duration v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", 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] d07bc72199d879519d3da77b0a4cdf8bf662a1044c6a7d10493b2986d500415b
[INFO] running `Command { std: "docker" "start" "-a" "d07bc72199d879519d3da77b0a4cdf8bf662a1044c6a7d10493b2986d500415b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d07bc72199d879519d3da77b0a4cdf8bf662a1044c6a7d10493b2986d500415b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d07bc72199d879519d3da77b0a4cdf8bf662a1044c6a7d10493b2986d500415b", kill_on_drop: false }`
[INFO] [stdout] d07bc72199d879519d3da77b0a4cdf8bf662a1044c6a7d10493b2986d500415b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87e8710a0bde63e658ebf667af1e7ae8911863b006ce43af8e3f29c3c74545e6
[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" "87e8710a0bde63e658ebf667af1e7ae8911863b006ce43af8e3f29c3c74545e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling print_duration v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling simple_optimization v0.12.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.65s
[INFO] running `Command { std: "docker" "inspect" "87e8710a0bde63e658ebf667af1e7ae8911863b006ce43af8e3f29c3c74545e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87e8710a0bde63e658ebf667af1e7ae8911863b006ce43af8e3f29c3c74545e6", kill_on_drop: false }`
[INFO] [stdout] 87e8710a0bde63e658ebf667af1e7ae8911863b006ce43af8e3f29c3c74545e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", 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] 9a829758c239ac698c3fed50be6ad29795f64ef0f2b9b1fa0e249e5e98bb5856
[INFO] running `Command { std: "docker" "start" "-a" "9a829758c239ac698c3fed50be6ad29795f64ef0f2b9b1fa0e249e5e98bb5856", kill_on_drop: false }`
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling simple_optimization v0.12.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.15s
[INFO] running `Command { std: "docker" "inspect" "9a829758c239ac698c3fed50be6ad29795f64ef0f2b9b1fa0e249e5e98bb5856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a829758c239ac698c3fed50be6ad29795f64ef0f2b9b1fa0e249e5e98bb5856", kill_on_drop: false }`
[INFO] [stdout] 9a829758c239ac698c3fed50be6ad29795f64ef0f2b9b1fa0e249e5e98bb5856
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c4a28db375e22d9b74304aef10b4c29e160567607f32d4588ad8ca38c7a2336b
[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" "c4a28db375e22d9b74304aef10b4c29e160567607f32d4588ad8ca38c7a2336b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/simple_optimization-b945e5d93f794dc0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-a28d9587dc85a05d)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::grid_search_simple ... ok
[INFO] [stdout] test tests::grid_search_simple_u8 ... ok
[INFO] [stdout] test tests::grid_search_complex_u8 ... ok
[INFO] [stdout] test tests::grid_search_complex ... ok
[INFO] [stdout] test tests::grid_search_boundary ... ok
[INFO] [stdout] test tests::random_search_complex ... ok
[INFO] [stdout] test tests::random_search_simple_u8 ... ok
[INFO] [stdout] test tests::random_search_simple ... ok
[INFO] [stdout] test tests::random_search_complex_u8 ... ok
[INFO] [stdout] test tests::random_search_boundary ... ok
[INFO] [stdout] test tests::simulated_annealing_simple_u8 ... ok
[INFO] [stdout] test tests::simulated_annealing_simple ... ok
[INFO] [stdout] test tests::simulated_annealing_boundary ... ok
[INFO] [stdout] test tests::simulated_annealing_complex ... ok
[INFO] [stdout] test tests::simulated_annealing_complex_u8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 41.99s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simple_optimization
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - (line 17) ... ignored
[INFO] [stdout] test src/lib.rs - (line 45) ... ignored
[INFO] [stdout] test src/util.rs - util::Polling::default (line 54) ... ignored
[INFO] [stdout] test src/simulated_annealing.rs - simulated_annealing::simulated_annealing (line 116) ... ok
[INFO] [stdout] test src/random_search.rs - random_search::random_search (line 66) ... ok
[INFO] [stdout] test src/simulated_annealing.rs - simulated_annealing::simulated_annealing (line 49) ... ok
[INFO] [stdout] test src/random_search.rs - random_search::random_search (line 17) ... ok
[INFO] [stdout] test src/grid_search.rs - grid_search::grid_search (line 18) ... ok
[INFO] [stdout] test src/grid_search.rs - grid_search::grid_search (line 76) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 5.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c4a28db375e22d9b74304aef10b4c29e160567607f32d4588ad8ca38c7a2336b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4a28db375e22d9b74304aef10b4c29e160567607f32d4588ad8ca38c7a2336b", kill_on_drop: false }`
[INFO] [stdout] c4a28db375e22d9b74304aef10b4c29e160567607f32d4588ad8ca38c7a2336b