[INFO] fetching crate chainkov 1.1.3...
[INFO] testing chainkov-1.1.3 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate chainkov 1.1.3 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate chainkov 1.1.3 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 chainkov 1.1.3
[INFO] finished tweaking crates.io crate chainkov 1.1.3
[INFO] tweaked toml for crates.io crate chainkov 1.1.3 written to /workspace/builds/worker-75/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-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 71613a1bfa88e49a5cfbe8812043bb75a446669c662459a00cd531613941d6c5
[INFO] running `Command { std: "docker" "start" "-a" "71613a1bfa88e49a5cfbe8812043bb75a446669c662459a00cd531613941d6c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71613a1bfa88e49a5cfbe8812043bb75a446669c662459a00cd531613941d6c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71613a1bfa88e49a5cfbe8812043bb75a446669c662459a00cd531613941d6c5", kill_on_drop: false }`
[INFO] [stdout] 71613a1bfa88e49a5cfbe8812043bb75a446669c662459a00cd531613941d6c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 6cf1f27b5618935da0928a1dd14b49a65d13862fd5c87f35e8002c8adae7502a
[INFO] running `Command { std: "docker" "start" "-a" "6cf1f27b5618935da0928a1dd14b49a65d13862fd5c87f35e8002c8adae7502a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling chainkov v1.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.31s
[INFO] running `Command { std: "docker" "inspect" "6cf1f27b5618935da0928a1dd14b49a65d13862fd5c87f35e8002c8adae7502a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cf1f27b5618935da0928a1dd14b49a65d13862fd5c87f35e8002c8adae7502a", kill_on_drop: false }`
[INFO] [stdout] 6cf1f27b5618935da0928a1dd14b49a65d13862fd5c87f35e8002c8adae7502a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 8e8ca81a6233e87bc633cf9e307160b53d1c0d2ebccbab51639a98ee7aec8632
[INFO] running `Command { std: "docker" "start" "-a" "8e8ca81a6233e87bc633cf9e307160b53d1c0d2ebccbab51639a98ee7aec8632", kill_on_drop: false }`
[INFO] [stderr]    Compiling chainkov v1.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "8e8ca81a6233e87bc633cf9e307160b53d1c0d2ebccbab51639a98ee7aec8632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e8ca81a6233e87bc633cf9e307160b53d1c0d2ebccbab51639a98ee7aec8632", kill_on_drop: false }`
[INFO] [stdout] 8e8ca81a6233e87bc633cf9e307160b53d1c0d2ebccbab51639a98ee7aec8632
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 21fa7f72334ac8500147b41292359d5e5308e6bc55f9147551da3eed65a880d9
[INFO] running `Command { std: "docker" "start" "-a" "21fa7f72334ac8500147b41292359d5e5308e6bc55f9147551da3eed65a880d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chainkov-0d6d0c2fc12efe44)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test markov::tests::test_add_state_choice ... ok
[INFO] [stdout] test markov::tests::test_increment_state ... ok
[INFO] [stdout] test markov::tests::test_new ... ok
[INFO] [stdout] test markov::tests::test_generate_states ... ok
[INFO] [stdout] test markov::tests::test_next_state ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chainkov
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/markov.rs - markov::MarkovChain (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.78s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "21fa7f72334ac8500147b41292359d5e5308e6bc55f9147551da3eed65a880d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21fa7f72334ac8500147b41292359d5e5308e6bc55f9147551da3eed65a880d9", kill_on_drop: false }`
[INFO] [stdout] 21fa7f72334ac8500147b41292359d5e5308e6bc55f9147551da3eed65a880d9