[INFO] fetching crate hmmm 0.2.0...
[INFO] testing hmmm-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate hmmm 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate hmmm 0.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hmmm 0.2.0
[INFO] finished tweaking crates.io crate hmmm 0.2.0
[INFO] tweaked toml for crates.io crate hmmm 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b10f0f4312269dafa8f3e82010652779e75aea8940b5b855d9bff24ffa7b0a86
[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" "b10f0f4312269dafa8f3e82010652779e75aea8940b5b855d9bff24ffa7b0a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b10f0f4312269dafa8f3e82010652779e75aea8940b5b855d9bff24ffa7b0a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b10f0f4312269dafa8f3e82010652779e75aea8940b5b855d9bff24ffa7b0a86", kill_on_drop: false }`
[INFO] [stdout] b10f0f4312269dafa8f3e82010652779e75aea8940b5b855d9bff24ffa7b0a86
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1b7b7c6ddbf7e2b0d33edb5d96d6d5074efc532eaf17d1ce50d570eab55d0ce
[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" "b1b7b7c6ddbf7e2b0d33edb5d96d6d5074efc532eaf17d1ce50d570eab55d0ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling rand v0.4.6
[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 num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling spectral v0.6.0
[INFO] [stderr]    Compiling hmmm v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 43.57s
[INFO] running `Command { std: "docker" "inspect" "b1b7b7c6ddbf7e2b0d33edb5d96d6d5074efc532eaf17d1ce50d570eab55d0ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1b7b7c6ddbf7e2b0d33edb5d96d6d5074efc532eaf17d1ce50d570eab55d0ce", kill_on_drop: false }`
[INFO] [stdout] b1b7b7c6ddbf7e2b0d33edb5d96d6d5074efc532eaf17d1ce50d570eab55d0ce
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 075fe1b87d6221088d15b0b57cda2556cc1eb75544e601bdde67d74770a93b1d
[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" "075fe1b87d6221088d15b0b57cda2556cc1eb75544e601bdde67d74770a93b1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling counter v0.5.2
[INFO] [stderr]    Compiling hmmm v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 14.83s
[INFO] running `Command { std: "docker" "inspect" "075fe1b87d6221088d15b0b57cda2556cc1eb75544e601bdde67d74770a93b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "075fe1b87d6221088d15b0b57cda2556cc1eb75544e601bdde67d74770a93b1d", kill_on_drop: false }`
[INFO] [stdout] 075fe1b87d6221088d15b0b57cda2556cc1eb75544e601bdde67d74770a93b1d
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] db962be96d459da00cebeb053c728de4687c6f214aace7b9dbda19dbd5b70515
[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" "db962be96d459da00cebeb053c728de4687c6f214aace7b9dbda19dbd5b70515", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.53s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hmmm-60fcbc9872b6d6ff
[INFO] [stdout] 
[INFO] [stdout] running 40 tests
[INFO] [stdout] test tests::filter_zero_zero ... ok
[INFO] [stdout] test tests::ll_given_states_certain ... ok
[INFO] [stdout] test tests::ll_given_states_empty ... ok
[INFO] [stdout] test tests::filter_one_zero ... ok
[INFO] [stdout] test tests::filter_zero ... ok
[INFO] [stdout] test tests::sampler_periodic ... ok
[INFO] [stdout] test tests::sampler_unit ... ok
[INFO] [stdout] test tests::ll_given_states_impossible_initial_state ... ok
[INFO] [stdout] test tests::filter_one ... ok
[INFO] [stdout] test tests::filter_one_one ... ok
[INFO] [stdout] test tests::predict_one_step ... ok
[INFO] [stdout] test tests::filter_zero_one ... ok
[INFO] [stdout] test tests::predict_zero_steps ... ok
[INFO] [stdout] test tests::filter_empty ... ok
[INFO] [stdout] test tests::ll_given_states_impossible_transition ... ok
[INFO] [stdout] test tests::predict_two_steps ... ok
[INFO] [stdout] test tests::ll_given_states_one ... ok
[INFO] [stdout] test tests::ll_given_states_impossible_observation ... ok
[INFO] [stdout] test tests::test_viterbi_0 ... ok
[INFO] [stdout] test tests::test_viterbi_1 ... ok
[INFO] [stdout] test tests::test_smooth_one ... ok
[INFO] [stdout] test tests::test_train_n_2_k_2_no_observations ... ok
[INFO] [stdout] test tests_weighted_choice_float::first ... ok
[INFO] [stdout] test tests_weighted_choice_float::last ... ok
[INFO] [stdout] test tests_weighted_choice_float::middle ... ok
[INFO] [stdout] test tests::test_train_n_1_k_1_no_observations ... ok
[INFO] [stdout] test tests::test_viterbi_empty ... ok
[INFO] [stdout] test tests::test_smooth_zero_one ... ok
[INFO] [stdout] test tests::test_train_n_1_k_2_constant ... ok
[INFO] [stdout] test tests::test_train_n_1_k_1_constant ... ok
[INFO] [stdout] test tests_weighted_choice_float::unit ... ok
[INFO] [stdout] test tests::test_train_n_1_k_2_random ... ok
[INFO] [stdout] test tests::test_smooth_zero ... ok
[INFO] [stdout] test tests::test_train_n_2_k_2 ... ok
[INFO] [stdout] test tests::test_smooth_zero_zero ... ok
[INFO] [stdout] test tests::test_viterbi_0_1 ... ok
[INFO] [stdout] test tests::test_viterbi_0_0 ... ok
[INFO] [stdout] test tests::test_smooth_zero_zero_zero ... ok
[INFO] [stdout] test tests::test_smooth_zero_one_one ... ok
[INFO] [stdout] test tests::test_viterbi ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 40 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hmmm
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "db962be96d459da00cebeb053c728de4687c6f214aace7b9dbda19dbd5b70515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db962be96d459da00cebeb053c728de4687c6f214aace7b9dbda19dbd5b70515", kill_on_drop: false }`
[INFO] [stdout] db962be96d459da00cebeb053c728de4687c6f214aace7b9dbda19dbd5b70515