[INFO] crate markov-chain 0.1.1 is already in cache
[INFO] testing markov-chain-0.1.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate markov-chain 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate markov-chain 0.1.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate markov-chain 0.1.1
[INFO] finished tweaking crates.io crate markov-chain 0.1.1
[INFO] tweaked toml for crates.io crate markov-chain 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] dbe99d9d5f5a5bd3b59d73068f6d573558d876089cafae824c950fa160f31510
[INFO] running `"docker" "start" "-a" "dbe99d9d5f5a5bd3b59d73068f6d573558d876089cafae824c950fa160f31510"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling maplit v0.1.6
[INFO] [stderr]    Compiling markov-chain v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/lib.rs:286:1
[INFO] [stderr]     |
[INFO] [stderr] 286 | / lazy_static! { 
[INFO] [stderr] 287 | |     /// Symbol combinations to break sentences on.
[INFO] [stderr] 288 | |     static ref BREAK: [&'static str; 7] = [".", "?", "!", ".\"", "!\"", "?\"", ",\""];
[INFO] [stderr] 289 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/lib.rs:296:9
[INFO] [stderr]     |
[INFO] [stderr] 296 | /         lazy_static! {
[INFO] [stderr] 297 | |             static ref RE: Regex = Regex::new(
[INFO] [stderr] 298 | |                 r#"[^ .!?,\-\n\r\t]+|[.,!?\-"]+"#
[INFO] [stderr] 299 | |                 ).unwrap();
[INFO] [stderr] 300 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `"docker" "inspect" "dbe99d9d5f5a5bd3b59d73068f6d573558d876089cafae824c950fa160f31510"`
[INFO] running `"docker" "rm" "-f" "dbe99d9d5f5a5bd3b59d73068f6d573558d876089cafae824c950fa160f31510"`
[INFO] [stdout] dbe99d9d5f5a5bd3b59d73068f6d573558d876089cafae824c950fa160f31510
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 01897ed1df5b7fdfae62590b697e55a56212ac4edbc217c9dc6ef1db330f0375
[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" "01897ed1df5b7fdfae62590b697e55a56212ac4edbc217c9dc6ef1db330f0375"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling markov-chain v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/lib.rs:286:1
[INFO] [stderr]     |
[INFO] [stderr] 286 | / lazy_static! { 
[INFO] [stderr] 287 | |     /// Symbol combinations to break sentences on.
[INFO] [stderr] 288 | |     static ref BREAK: [&'static str; 7] = [".", "?", "!", ".\"", "!\"", "?\"", ",\""];
[INFO] [stderr] 289 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/lib.rs:296:9
[INFO] [stderr]     |
[INFO] [stderr] 296 | /         lazy_static! {
[INFO] [stderr] 297 | |             static ref RE: Regex = Regex::new(
[INFO] [stderr] 298 | |                 r#"[^ .!?,\-\n\r\t]+|[.,!?\-"]+"#
[INFO] [stderr] 299 | |                 ).unwrap();
[INFO] [stderr] 300 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/lib.rs:286:1
[INFO] [stderr]     |
[INFO] [stderr] 286 | / lazy_static! { 
[INFO] [stderr] 287 | |     /// Symbol combinations to break sentences on.
[INFO] [stderr] 288 | |     static ref BREAK: [&'static str; 7] = [".", "?", "!", ".\"", "!\"", "?\"", ",\""];
[INFO] [stderr] 289 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/lib.rs:296:9
[INFO] [stderr]     |
[INFO] [stderr] 296 | /         lazy_static! {
[INFO] [stderr] 297 | |             static ref RE: Regex = Regex::new(
[INFO] [stderr] 298 | |                 r#"[^ .!?,\-\n\r\t]+|[.,!?\-"]+"#
[INFO] [stderr] 299 | |                 ).unwrap();
[INFO] [stderr] 300 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.74s
[INFO] running `"docker" "inspect" "01897ed1df5b7fdfae62590b697e55a56212ac4edbc217c9dc6ef1db330f0375"`
[INFO] running `"docker" "rm" "-f" "01897ed1df5b7fdfae62590b697e55a56212ac4edbc217c9dc6ef1db330f0375"`
[INFO] [stdout] 01897ed1df5b7fdfae62590b697e55a56212ac4edbc217c9dc6ef1db330f0375
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b8f0ba5d8dd14268b29a24f9fd7be98e6bdc1e3887867e2f8b665eddd7f6ac88
[INFO] running `"docker" "start" "-a" "b8f0ba5d8dd14268b29a24f9fd7be98e6bdc1e3887867e2f8b665eddd7f6ac88"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/lib.rs:286:1
[INFO] [stderr]     |
[INFO] [stderr] 286 | / lazy_static! { 
[INFO] [stderr] 287 | |     /// Symbol combinations to break sentences on.
[INFO] [stderr] 288 | |     static ref BREAK: [&'static str; 7] = [".", "?", "!", ".\"", "!\"", "?\"", ",\""];
[INFO] [stderr] 289 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/lib.rs:296:9
[INFO] [stderr]     |
[INFO] [stderr] 296 | /         lazy_static! {
[INFO] [stderr] 297 | |             static ref RE: Regex = Regex::new(
[INFO] [stderr] 298 | |                 r#"[^ .!?,\-\n\r\t]+|[.,!?\-"]+"#
[INFO] [stderr] 299 | |                 ).unwrap();
[INFO] [stderr] 300 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/lib.rs:286:1
[INFO] [stderr]     |
[INFO] [stderr] 286 | / lazy_static! { 
[INFO] [stderr] 287 | |     /// Symbol combinations to break sentences on.
[INFO] [stderr] 288 | |     static ref BREAK: [&'static str; 7] = [".", "?", "!", ".\"", "!\"", "?\"", ",\""];
[INFO] [stderr] 289 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/lib.rs:296:9
[INFO] [stderr]     |
[INFO] [stderr] 296 | /         lazy_static! {
[INFO] [stderr] 297 | |             static ref RE: Regex = Regex::new(
[INFO] [stderr] 298 | |                 r#"[^ .!?,\-\n\r\t]+|[.,!?\-"]+"#
[INFO] [stderr] 299 | |                 ).unwrap();
[INFO] [stderr] 300 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/markov_chain-4e345ff80709a07e
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_order1_training ... ok
[INFO] [stdout] test tests::test_order2_training ... ok
[INFO] [stdout] test tests::test_order3_training ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/markov_util-991fcdd6f4e47ce4
[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] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - Chain<T>::merge (line 150) ... ok
[INFO] [stdout] test src/lib.rs - Chain<T>::new (line 90) ... ok
[INFO] [stdout] test src/lib.rs - Chain<T>::train (line 108) ... ok
[INFO] [stdout] test src/lib.rs -  (line 20) ... ok
[INFO] [stdout] test src/lib.rs - Chain (line 68) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b8f0ba5d8dd14268b29a24f9fd7be98e6bdc1e3887867e2f8b665eddd7f6ac88"`
[INFO] running `"docker" "rm" "-f" "b8f0ba5d8dd14268b29a24f9fd7be98e6bdc1e3887867e2f8b665eddd7f6ac88"`
[INFO] [stdout] b8f0ba5d8dd14268b29a24f9fd7be98e6bdc1e3887867e2f8b665eddd7f6ac88