[INFO] fetching crate simple_optimization 0.12.1...
[INFO] testing simple_optimization-0.12.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate simple_optimization 0.12.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate simple_optimization 0.12.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 736ea775a7e089e716d606a337a1849cc73a558ac0633585a959c2f77d27357c
[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" "736ea775a7e089e716d606a337a1849cc73a558ac0633585a959c2f77d27357c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "736ea775a7e089e716d606a337a1849cc73a558ac0633585a959c2f77d27357c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "736ea775a7e089e716d606a337a1849cc73a558ac0633585a959c2f77d27357c", kill_on_drop: false }`
[INFO] [stdout] 736ea775a7e089e716d606a337a1849cc73a558ac0633585a959c2f77d27357c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--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] a26737278da1b36935ab0143331f2fac3d8ce1c01ba97b8e2d7c973deb01194d
[INFO] running `Command { std: "docker" "start" "-a" "a26737278da1b36935ab0143331f2fac3d8ce1c01ba97b8e2d7c973deb01194d", kill_on_drop: false }`
[INFO] [stderr]    Compiling print_duration v1.0.1
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex 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 8.30s
[INFO] running `Command { std: "docker" "inspect" "a26737278da1b36935ab0143331f2fac3d8ce1c01ba97b8e2d7c973deb01194d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a26737278da1b36935ab0143331f2fac3d8ce1c01ba97b8e2d7c973deb01194d", kill_on_drop: false }`
[INFO] [stdout] a26737278da1b36935ab0143331f2fac3d8ce1c01ba97b8e2d7c973deb01194d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef9403c7db9ef3833a190f6fb5c2037cf922169e3f34c64b90289a0e0cb5e2ce
[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" "ef9403c7db9ef3833a190f6fb5c2037cf922169e3f34c64b90289a0e0cb5e2ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling csv v1.1.6
[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 37.76s
[INFO] running `Command { std: "docker" "inspect" "ef9403c7db9ef3833a190f6fb5c2037cf922169e3f34c64b90289a0e0cb5e2ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef9403c7db9ef3833a190f6fb5c2037cf922169e3f34c64b90289a0e0cb5e2ce", kill_on_drop: false }`
[INFO] [stdout] ef9403c7db9ef3833a190f6fb5c2037cf922169e3f34c64b90289a0e0cb5e2ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 416d6770100c982b4572575c2241c28773e73a340167e8a996a51dd6bcc15959
[INFO] running `Command { std: "docker" "start" "-a" "416d6770100c982b4572575c2241c28773e73a340167e8a996a51dd6bcc15959", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/simple_optimization-fd893d4ae8b5f1cb)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-6e1eda025eab1765)
[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] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::grid_search_complex ... ok
[INFO] [stdout] test tests::grid_search_complex_u8 ... ok
[INFO] [stdout] test tests::grid_search_simple_u8 ... ok
[INFO] [stdout] test tests::grid_search_simple ... ok
[INFO] [stdout] test tests::grid_search_boundary ... ok
[INFO] [stdout] test tests::random_search_complex_u8 ... ok
[INFO] [stdout] test tests::random_search_simple_u8 ... ok
[INFO] [stdout] test tests::random_search_boundary ... ok
[INFO] [stdout] test tests::random_search_simple ... ok
[INFO] [stdout] test tests::random_search_complex ... 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] [stderr]    Doc-tests simple_optimization
[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 39.96s
[INFO] [stdout] 
[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/grid_search.rs - grid_search::grid_search (line 18) ... ok
[INFO] [stdout] test src/random_search.rs - random_search::random_search (line 17) ... ok
[INFO] [stdout] test src/simulated_annealing.rs - simulated_annealing::simulated_annealing (line 116) ... 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 66) ... 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 3.69s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "416d6770100c982b4572575c2241c28773e73a340167e8a996a51dd6bcc15959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "416d6770100c982b4572575c2241c28773e73a340167e8a996a51dd6bcc15959", kill_on_drop: false }`
[INFO] [stdout] 416d6770100c982b4572575c2241c28773e73a340167e8a996a51dd6bcc15959