[INFO] updating cached repository https://github.com/livingsilver94/rusty_markov
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 82bbd0a5a8b2f8ac6266f88571abcb0a915a4043
[INFO] testing livingsilver94/rusty_markov against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flivingsilver94%2Frusty_markov" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/livingsilver94/rusty_markov on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/livingsilver94/rusty_markov
[INFO] finished tweaking git repo https://github.com/livingsilver94/rusty_markov
[INFO] tweaked toml for git repo https://github.com/livingsilver94/rusty_markov written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/livingsilver94/rusty_markov already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6a7b95443ac44bb0f577a99f64d012fc5bb9e58ca8b14a001e3b027b6ca0a9d9
[INFO] running `"docker" "start" "-a" "6a7b95443ac44bb0f577a99f64d012fc5bb9e58ca8b14a001e3b027b6ca0a9d9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling markov_chain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "6a7b95443ac44bb0f577a99f64d012fc5bb9e58ca8b14a001e3b027b6ca0a9d9"`
[INFO] running `"docker" "rm" "-f" "6a7b95443ac44bb0f577a99f64d012fc5bb9e58ca8b14a001e3b027b6ca0a9d9"`
[INFO] [stdout] 6a7b95443ac44bb0f577a99f64d012fc5bb9e58ca8b14a001e3b027b6ca0a9d9
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 49537cb68ffbe23e5330963d459ef49522293aee98d5bafc378ba42c1774e702
[INFO] running `"docker" "start" "-a" "49537cb68ffbe23e5330963d459ef49522293aee98d5bafc378ba42c1774e702"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling markov_chain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused implementer of `std::iter::Iterator` that must be used
[INFO] [stderr]    --> src/lib.rs:206:9
[INFO] [stderr]     |
[INFO] [stderr] 206 |         map.generate_from_token(&vec![KeyPosition::Beginning; 1], 10);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: iterators are lazy and do nothing unless consumed
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `"docker" "inspect" "49537cb68ffbe23e5330963d459ef49522293aee98d5bafc378ba42c1774e702"`
[INFO] running `"docker" "rm" "-f" "49537cb68ffbe23e5330963d459ef49522293aee98d5bafc378ba42c1774e702"`
[INFO] [stdout] 49537cb68ffbe23e5330963d459ef49522293aee98d5bafc378ba42c1774e702
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] d1be9883aa0411248e945c518296f08a2fca099f42cc8c443234dca9effc09d3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "d1be9883aa0411248e945c518296f08a2fca099f42cc8c443234dca9effc09d3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused implementer of `std::iter::Iterator` that must be used
[INFO] [stderr]    --> src/lib.rs:206:9
[INFO] [stderr]     |
[INFO] [stderr] 206 |         map.generate_from_token(&vec![KeyPosition::Beginning; 1], 10);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: iterators are lazy and do nothing unless consumed
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/markov_chain-815b536a5e125fb3
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::chain_returns_something ... ok
[INFO] [stdout] test tests::train_second_order ... ok
[INFO] [stdout] test tests::train_first_order ... ok
[INFO] [stdout] test tests::panic_on_wrong_key_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integration-b844c3529260c88b
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test generate_from_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests markov_chain
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d1be9883aa0411248e945c518296f08a2fca099f42cc8c443234dca9effc09d3"`
[INFO] running `"docker" "rm" "-f" "d1be9883aa0411248e945c518296f08a2fca099f42cc8c443234dca9effc09d3"`
[INFO] [stdout] d1be9883aa0411248e945c518296f08a2fca099f42cc8c443234dca9effc09d3