[INFO] fetching crate metaheuristics 1.1.20...
[INFO] testing metaheuristics-1.1.20 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate metaheuristics 1.1.20 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate metaheuristics 1.1.20 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 metaheuristics 1.1.20
[INFO] finished tweaking crates.io crate metaheuristics 1.1.20
[INFO] tweaked toml for crates.io crate metaheuristics 1.1.20 written to /workspace/builds/worker-7/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 46be317a87e5c399e6047860663f2fddda742e30c397cb3b554101289f2fa18e
[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" "46be317a87e5c399e6047860663f2fddda742e30c397cb3b554101289f2fa18e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46be317a87e5c399e6047860663f2fddda742e30c397cb3b554101289f2fa18e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46be317a87e5c399e6047860663f2fddda742e30c397cb3b554101289f2fa18e", kill_on_drop: false }`
[INFO] [stdout] 46be317a87e5c399e6047860663f2fddda742e30c397cb3b554101289f2fa18e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 32b0492a9c4f6730b643a8ad95e6ad183983b7b7232a68ac9999e3033eb6d90a
[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" "32b0492a9c4f6730b643a8ad95e6ad183983b7b7232a68ac9999e3033eb6d90a", kill_on_drop: false }`
[INFO] [stderr]    Compiling metaheuristics v1.1.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "32b0492a9c4f6730b643a8ad95e6ad183983b7b7232a68ac9999e3033eb6d90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32b0492a9c4f6730b643a8ad95e6ad183983b7b7232a68ac9999e3033eb6d90a", kill_on_drop: false }`
[INFO] [stdout] 32b0492a9c4f6730b643a8ad95e6ad183983b7b7232a68ac9999e3033eb6d90a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 5cf9d671947290508afd5a3be9c98b8ef9b1ffccc4c07238870cb9220404d918
[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" "5cf9d671947290508afd5a3be9c98b8ef9b1ffccc4c07238870cb9220404d918", kill_on_drop: false }`
[INFO] [stderr]    Compiling metaheuristics v1.1.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "5cf9d671947290508afd5a3be9c98b8ef9b1ffccc4c07238870cb9220404d918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cf9d671947290508afd5a3be9c98b8ef9b1ffccc4c07238870cb9220404d918", kill_on_drop: false }`
[INFO] [stdout] 5cf9d671947290508afd5a3be9c98b8ef9b1ffccc4c07238870cb9220404d918
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] a0dd22c5d6dd717d064eeb3bb93aaa155d3d47d674dc428fe4aca4fa3d7f5917
[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" "a0dd22c5d6dd717d064eeb3bb93aaa155d3d47d674dc428fe4aca4fa3d7f5917", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/metaheuristics-a6cee3d45e3d9d16)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests metaheuristics
[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 13 tests
[INFO] [stdout] test src/hill_climbing/mod.rs - hill_climbing (line 17) ... ignored
[INFO] [stdout] test src/hill_climbing/mod.rs - hill_climbing::solve (line 36) ... ignored
[INFO] [stdout] test src/hill_climbing/random_restarts/mod.rs - hill_climbing::random_restarts (line 13) ... ignored
[INFO] [stdout] test src/hill_climbing/random_restarts/mod.rs - hill_climbing::random_restarts::solve (line 37) ... ignored
[INFO] [stdout] test src/lib.rs - (line 31) ... ignored
[INFO] [stdout] test src/lib.rs - Metaheuristics::clone_candidate (line 77) ... ignored
[INFO] [stdout] test src/lib.rs - Metaheuristics::generate_candidate (line 84) ... ignored
[INFO] [stdout] test src/lib.rs - Metaheuristics::rank_candidate (line 91) ... ignored
[INFO] [stdout] test src/lib.rs - Metaheuristics::tweak_candidate (line 100) ... ignored
[INFO] [stdout] test src/random_search/mod.rs - random_search (line 10) ... ignored
[INFO] [stdout] test src/random_search/mod.rs - random_search::solve (line 27) ... ignored
[INFO] [stdout] test src/simulated_annealing/mod.rs - simulated_annealing (line 43) ... ignored
[INFO] [stdout] test src/simulated_annealing/mod.rs - simulated_annealing::solve (line 61) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 13 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a0dd22c5d6dd717d064eeb3bb93aaa155d3d47d674dc428fe4aca4fa3d7f5917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0dd22c5d6dd717d064eeb3bb93aaa155d3d47d674dc428fe4aca4fa3d7f5917", kill_on_drop: false }`
[INFO] [stdout] a0dd22c5d6dd717d064eeb3bb93aaa155d3d47d674dc428fe4aca4fa3d7f5917