[INFO] fetching crate chainkov 1.1.3...
[INFO] testing chainkov-1.1.3 against 1.60.0 for beta-1.61-1
[INFO] extracting crate chainkov 1.1.3 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate chainkov 1.1.3 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 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-57/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fcdda7f0f3b711b87668f8f457f09d2311bc4e5266c7cc572f3be94c4029dd85
[INFO] running `Command { std: "docker" "start" "-a" "fcdda7f0f3b711b87668f8f457f09d2311bc4e5266c7cc572f3be94c4029dd85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcdda7f0f3b711b87668f8f457f09d2311bc4e5266c7cc572f3be94c4029dd85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcdda7f0f3b711b87668f8f457f09d2311bc4e5266c7cc572f3be94c4029dd85", kill_on_drop: false }`
[INFO] [stdout] fcdda7f0f3b711b87668f8f457f09d2311bc4e5266c7cc572f3be94c4029dd85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b916bb14609642ff36c56fe306e3097c3c0a4b1fcd544f3b70d96736c5118652
[INFO] running `Command { std: "docker" "start" "-a" "b916bb14609642ff36c56fe306e3097c3c0a4b1fcd544f3b70d96736c5118652", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.123
[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 5.91s
[INFO] running `Command { std: "docker" "inspect" "b916bb14609642ff36c56fe306e3097c3c0a4b1fcd544f3b70d96736c5118652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b916bb14609642ff36c56fe306e3097c3c0a4b1fcd544f3b70d96736c5118652", kill_on_drop: false }`
[INFO] [stdout] b916bb14609642ff36c56fe306e3097c3c0a4b1fcd544f3b70d96736c5118652
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 978eee3a968bfa1e71287bfeefda0c05468750f60ff234993a55172cd1cc65fd
[INFO] running `Command { std: "docker" "start" "-a" "978eee3a968bfa1e71287bfeefda0c05468750f60ff234993a55172cd1cc65fd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chainkov v1.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "978eee3a968bfa1e71287bfeefda0c05468750f60ff234993a55172cd1cc65fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "978eee3a968bfa1e71287bfeefda0c05468750f60ff234993a55172cd1cc65fd", kill_on_drop: false }`
[INFO] [stdout] 978eee3a968bfa1e71287bfeefda0c05468750f60ff234993a55172cd1cc65fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b68a7c7c1ad883f785bdbcfe568fe24ebfd7ed1525d6d95c7b95ea28abd3b9fb
[INFO] running `Command { std: "docker" "start" "-a" "b68a7c7c1ad883f785bdbcfe568fe24ebfd7ed1525d6d95c7b95ea28abd3b9fb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chainkov-90d065c462181ab1)
[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 0.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b68a7c7c1ad883f785bdbcfe568fe24ebfd7ed1525d6d95c7b95ea28abd3b9fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b68a7c7c1ad883f785bdbcfe568fe24ebfd7ed1525d6d95c7b95ea28abd3b9fb", kill_on_drop: false }`
[INFO] [stdout] b68a7c7c1ad883f785bdbcfe568fe24ebfd7ed1525d6d95c7b95ea28abd3b9fb