[INFO] fetching crate warkov 0.1.0...
[INFO] testing warkov-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate warkov 0.1.0 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate warkov 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate warkov 0.1.0
[INFO] finished tweaking crates.io crate warkov 0.1.0
[INFO] tweaked toml for crates.io crate warkov 0.1.0 written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5319cc02cfcbb00c636c15430278f76289872734e1d1b9e03513676873c1621
[INFO] running `Command { std: "docker" "start" "-a" "a5319cc02cfcbb00c636c15430278f76289872734e1d1b9e03513676873c1621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5319cc02cfcbb00c636c15430278f76289872734e1d1b9e03513676873c1621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5319cc02cfcbb00c636c15430278f76289872734e1d1b9e03513676873c1621", kill_on_drop: false }`
[INFO] [stdout] a5319cc02cfcbb00c636c15430278f76289872734e1d1b9e03513676873c1621
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a08f84cd9f56f15862a164e790b94608f4af187f0f3a58619506736cfdeb8804
[INFO] running `Command { std: "docker" "start" "-a" "a08f84cd9f56f15862a164e790b94608f4af187f0f3a58619506736cfdeb8804", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling warkov v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `Command { std: "docker" "inspect" "a08f84cd9f56f15862a164e790b94608f4af187f0f3a58619506736cfdeb8804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a08f84cd9f56f15862a164e790b94608f4af187f0f3a58619506736cfdeb8804", kill_on_drop: false }`
[INFO] [stdout] a08f84cd9f56f15862a164e790b94608f4af187f0f3a58619506736cfdeb8804
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76cfdeca1aab5d80801399b30124c22f24ae6385b86b0badb12a8cf96568984d
[INFO] running `Command { std: "docker" "start" "-a" "76cfdeca1aab5d80801399b30124c22f24ae6385b86b0badb12a8cf96568984d", kill_on_drop: false }`
[INFO] [stderr]    Compiling warkov v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "76cfdeca1aab5d80801399b30124c22f24ae6385b86b0badb12a8cf96568984d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76cfdeca1aab5d80801399b30124c22f24ae6385b86b0badb12a8cf96568984d", kill_on_drop: false }`
[INFO] [stdout] 76cfdeca1aab5d80801399b30124c22f24ae6385b86b0badb12a8cf96568984d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5657f5770bc63a94046b2fefba18192fefafdeb9c58776b8478aece089c499ad
[INFO] running `Command { std: "docker" "start" "-a" "5657f5770bc63a94046b2fefba18192fefafdeb9c58776b8478aece089c499ad", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 5 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/warkov-1e4474331c2345c0)
[INFO] [stdout] test tests::predict1 ... ok
[INFO] [stdout] test tests::simple2 ... ok
[INFO] [stdout] test tests::simple1 ... ok
[INFO] [stdout] test tests::weighted_choice1 ... ok
[INFO] [stderr]    Doc-tests warkov
[INFO] [stdout] test tests::weighted_choice2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.69s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5657f5770bc63a94046b2fefba18192fefafdeb9c58776b8478aece089c499ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5657f5770bc63a94046b2fefba18192fefafdeb9c58776b8478aece089c499ad", kill_on_drop: false }`
[INFO] [stdout] 5657f5770bc63a94046b2fefba18192fefafdeb9c58776b8478aece089c499ad