[INFO] fetching crate markovian 0.2.1...
[INFO] testing markovian-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate markovian 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate markovian 0.2.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate markovian 0.2.1
[INFO] finished tweaking crates.io crate markovian 0.2.1
[INFO] tweaked toml for crates.io crate markovian 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate markovian 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 082126e3338edbd76a605e241fa5b7dad79b147d2e8b80a572ddb1d89f8b74d8
[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" "082126e3338edbd76a605e241fa5b7dad79b147d2e8b80a572ddb1d89f8b74d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "082126e3338edbd76a605e241fa5b7dad79b147d2e8b80a572ddb1d89f8b74d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "082126e3338edbd76a605e241fa5b7dad79b147d2e8b80a572ddb1d89f8b74d8", kill_on_drop: false }`
[INFO] [stdout] 082126e3338edbd76a605e241fa5b7dad79b147d2e8b80a572ddb1d89f8b74d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] afce10d6f0bdd2f9e85d108b0807685a9f29c2412905a109f494ba51bfbfe2b9
[INFO] running `Command { std: "docker" "start" "-a" "afce10d6f0bdd2f9e85d108b0807685a9f29c2412905a109f494ba51bfbfe2b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling getrandom v0.1.14
[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 quote v1.0.7
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling markovian v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.73s
[INFO] running `Command { std: "docker" "inspect" "afce10d6f0bdd2f9e85d108b0807685a9f29c2412905a109f494ba51bfbfe2b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afce10d6f0bdd2f9e85d108b0807685a9f29c2412905a109f494ba51bfbfe2b9", kill_on_drop: false }`
[INFO] [stdout] afce10d6f0bdd2f9e85d108b0807685a9f29c2412905a109f494ba51bfbfe2b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c8d91b709b8833603dcdc9420e060472d548f94ba9d02e9f83b6e7314422518
[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" "6c8d91b709b8833603dcdc9420e060472d548f94ba9d02e9f83b6e7314422518", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling oorandom v11.1.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling preexplorer v0.3.2
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling markovian v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/traits/transition.rs:44:10
[INFO] [stdout]    |
[INFO] [stdout] 44 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/traits/transition.rs:60:10
[INFO] [stdout]    |
[INFO] [stdout] 60 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "6c8d91b709b8833603dcdc9420e060472d548f94ba9d02e9f83b6e7314422518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c8d91b709b8833603dcdc9420e060472d548f94ba9d02e9f83b6e7314422518", kill_on_drop: false }`
[INFO] [stdout] 6c8d91b709b8833603dcdc9420e060472d548f94ba9d02e9f83b6e7314422518
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 951bfba0c74537e072f65ae4502731df05b909794d1375bc0a64668fbd16dbdb
[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" "951bfba0c74537e072f65ae4502731df05b909794d1375bc0a64668fbd16dbdb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/traits/transition.rs:44:10
[INFO] [stderr]    |
[INFO] [stderr] 44 |         };
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/traits/transition.rs:60:10
[INFO] [stderr]    |
[INFO] [stderr] 60 |         };
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: `markovian` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/markovian-a0e5a54fef3c6c2e)
[INFO] [stdout] running 12 tests
[INFO] [stdout] test distributions::binary::tests::use_cases ... ok
[INFO] [stdout] test macros::tests::construction ... ok
[INFO] [stdout] test distributions::raw::tests::sampling_stability ... ok
[INFO] [stdout] test distributions::raw::tests::value_stability ... ok
[INFO] [stdout] test distributions::unary::tests::use_cases ... ok
[INFO] [stdout] test markov_chain::tests::value_stability ... ok
[INFO] [stdout] test timed_markov_chain::tests::value_stability ... ok
[INFO] [stdout] test traits::transition::tests::use_cases ... ok
[INFO] [stdout] test markov_chain::tests::construction ... ok
[INFO] [stderr]    Doc-tests markovian
[INFO] [stdout] test traits::transition::tests::construction ... ok
[INFO] [stdout] test timed_markov_chain::tests::sampling_stability ... ok
[INFO] [stdout] test markov_chain::tests::sampling_stability ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] warning: unknown attribute `no-run`. Did you mean `no_run`?
[INFO] [stderr]   --> /opt/rustwide/workdir/src/traits/state_iterator.rs:6:5
[INFO] [stderr]    |
[INFO] [stderr] 6  | /     /// If Iterator and State uses the same type, then a direct implementation is the following.
[INFO] [stderr] 7  | |     /// ```no-run
[INFO] [stderr] 8  | |     /// self.state().cloned()
[INFO] [stderr] 9  | |     /// ```
[INFO] [stderr] ...  |
[INFO] [stderr] 12 | |     /// 1. Cloned is needed if the underlying iterator depends on its internal state.
[INFO] [stderr] 13 | |     /// 2. You should use #[inline] when implementing this method.
[INFO] [stderr]    | |__________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(rustdoc::invalid_codeblock_attributes)]` on by default
[INFO] [stderr]    = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/distributions/binary.rs - distributions::binary::Binary (line 11) ... ok
[INFO] [stdout] test src/distributions/unary.rs - distributions::unary::Unary (line 11) ... ok
[INFO] [stdout] test src/macros.rs - raw_dist (line 10) ... ok
[INFO] [stdout] test src/branching_process.rs - branching_process::BranchingProcess<T, D, R>::next (line 110) ... ok
[INFO] [stdout] test src/lib.rs - (line 97) ... ok
[INFO] [stdout] test src/branching_process.rs - branching_process::BranchingProcess<T, D, R>::new (line 48) ... ok
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] test src/lib.rs - (line 73) ... ok
[INFO] [stdout] test src/distributions/raw.rs - distributions::raw::Raw (line 14) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - (line 129) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "951bfba0c74537e072f65ae4502731df05b909794d1375bc0a64668fbd16dbdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "951bfba0c74537e072f65ae4502731df05b909794d1375bc0a64668fbd16dbdb", kill_on_drop: false }`
[INFO] [stdout] 951bfba0c74537e072f65ae4502731df05b909794d1375bc0a64668fbd16dbdb