[INFO] fetching crate hmmm 0.2.0...
[INFO] testing hmmm-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate hmmm 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate hmmm 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded counter v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09c0e7e2abfa8dc9c1577ade89dcd590cab91ceace0875732a56793d2deacf59
[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" "09c0e7e2abfa8dc9c1577ade89dcd590cab91ceace0875732a56793d2deacf59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09c0e7e2abfa8dc9c1577ade89dcd590cab91ceace0875732a56793d2deacf59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09c0e7e2abfa8dc9c1577ade89dcd590cab91ceace0875732a56793d2deacf59", kill_on_drop: false }`
[INFO] [stdout] 09c0e7e2abfa8dc9c1577ade89dcd590cab91ceace0875732a56793d2deacf59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 477b4d6efcbef1e0341dea0a89ccd573ce2a76edc3d796b7bd607cda315e3c2c
[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" "477b4d6efcbef1e0341dea0a89ccd573ce2a76edc3d796b7bd607cda315e3c2c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[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-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[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 42.92s
[INFO] running `Command { std: "docker" "inspect" "477b4d6efcbef1e0341dea0a89ccd573ce2a76edc3d796b7bd607cda315e3c2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "477b4d6efcbef1e0341dea0a89ccd573ce2a76edc3d796b7bd607cda315e3c2c", kill_on_drop: false }`
[INFO] [stdout] 477b4d6efcbef1e0341dea0a89ccd573ce2a76edc3d796b7bd607cda315e3c2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35cf1cf491d241d004f5790e6e0f9bb178310f811500a4b73d331c6fbf907419
[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" "35cf1cf491d241d004f5790e6e0f9bb178310f811500a4b73d331c6fbf907419", 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 17.56s
[INFO] running `Command { std: "docker" "inspect" "35cf1cf491d241d004f5790e6e0f9bb178310f811500a4b73d331c6fbf907419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35cf1cf491d241d004f5790e6e0f9bb178310f811500a4b73d331c6fbf907419", kill_on_drop: false }`
[INFO] [stdout] 35cf1cf491d241d004f5790e6e0f9bb178310f811500a4b73d331c6fbf907419
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 46a8e5f9d532df0d33c50b6cd4d51b7eb2db16a9e64786507d83f69c57335b71
[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" "46a8e5f9d532df0d33c50b6cd4d51b7eb2db16a9e64786507d83f69c57335b71", kill_on_drop: false }`
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hmmm-e70ed6bc6de6d31e
[INFO] [stdout] running 40 tests
[INFO] [stdout] test tests::filter_zero_one ... ok
[INFO] [stdout] test tests::filter_zero_zero ... ok
[INFO] [stdout] test tests::sampler_periodic ... ok
[INFO] [stdout] test tests::filter_zero ... ok
[INFO] [stdout] test tests::filter_one ... ok
[INFO] [stdout] test tests::filter_one_one ... ok
[INFO] [stdout] test tests::ll_given_states_certain ... ok
[INFO] [stdout] test tests::ll_given_states_impossible_initial_state ... ok
[INFO] [stdout] test tests::ll_given_states_impossible_transition ... ok
[INFO] [stdout] test tests::ll_given_states_empty ... ok
[INFO] [stdout] test tests::ll_given_states_impossible_observation ... ok
[INFO] [stdout] test tests::filter_one_zero ... ok
[INFO] [stdout] test tests::ll_given_states_one ... ok
[INFO] [stdout] test tests::filter_empty ... ok
[INFO] [stdout] test tests::sampler_unit ... ok
[INFO] [stdout] test tests::test_smooth_one ... ok
[INFO] [stdout] test tests::test_viterbi_0 ... ok
[INFO] [stdout] test tests::predict_zero_steps ... ok
[INFO] [stdout] test tests::predict_two_steps ... ok
[INFO] [stdout] test tests::predict_one_step ... ok
[INFO] [stdout] test tests::test_smooth_zero ... 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_weighted_choice_float::unit ... ok
[INFO] [stdout] test tests::test_train_n_2_k_2_no_observations ... ok
[INFO] [stdout] test tests::test_viterbi_empty ... ok
[INFO] [stdout] test tests::test_viterbi_1 ... ok
[INFO] [stdout] test tests::test_train_n_1_k_1_no_observations ... ok
[INFO] [stdout] test tests::test_train_n_2_k_2 ... ok
[INFO] [stdout] test tests::test_train_n_1_k_1_constant ... ok
[INFO] [stdout] test tests::test_smooth_zero_zero ... ok
[INFO] [stdout] test tests::test_train_n_1_k_2_constant ... ok
[INFO] [stdout] test tests::test_train_n_1_k_2_random ... ok
[INFO] [stdout] test tests::test_smooth_zero_one ... 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; finished in 3.92s
[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; finished in 1.60s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "46a8e5f9d532df0d33c50b6cd4d51b7eb2db16a9e64786507d83f69c57335b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46a8e5f9d532df0d33c50b6cd4d51b7eb2db16a9e64786507d83f69c57335b71", kill_on_drop: false }`
[INFO] [stdout] 46a8e5f9d532df0d33c50b6cd4d51b7eb2db16a9e64786507d83f69c57335b71