[INFO] fetching crate hmm 0.2.0...
[INFO] testing hmm-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate hmm 0.2.0 into /workspace/builds/worker-71/source
[INFO] validating manifest of crates.io crate hmm 0.2.0 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 hmm 0.2.0
[INFO] finished tweaking crates.io crate hmm 0.2.0
[INFO] tweaked toml for crates.io crate hmm 0.2.0 written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] 51117a5fa08b2b13089aa8378efb6d208ed26db180d85a52e9da31b09e24858a
[INFO] running `Command { std: "docker" "start" "-a" "51117a5fa08b2b13089aa8378efb6d208ed26db180d85a52e9da31b09e24858a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51117a5fa08b2b13089aa8378efb6d208ed26db180d85a52e9da31b09e24858a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51117a5fa08b2b13089aa8378efb6d208ed26db180d85a52e9da31b09e24858a", kill_on_drop: false }`
[INFO] [stdout] 51117a5fa08b2b13089aa8378efb6d208ed26db180d85a52e9da31b09e24858a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] [stdout] db9342f9fc5c21ac308f2cf801638c4e40e2a47d450b9be3ec6637ac4feef528
[INFO] running `Command { std: "docker" "start" "-a" "db9342f9fc5c21ac308f2cf801638c4e40e2a47d450b9be3ec6637ac4feef528", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hmm v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "db9342f9fc5c21ac308f2cf801638c4e40e2a47d450b9be3ec6637ac4feef528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db9342f9fc5c21ac308f2cf801638c4e40e2a47d450b9be3ec6637ac4feef528", kill_on_drop: false }`
[INFO] [stdout] db9342f9fc5c21ac308f2cf801638c4e40e2a47d450b9be3ec6637ac4feef528
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] 66df9735930a352b497a18a8716fb46cedefc6af8a06d966f4501902d8384bcd
[INFO] running `Command { std: "docker" "start" "-a" "66df9735930a352b497a18a8716fb46cedefc6af8a06d966f4501902d8384bcd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hmm v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "66df9735930a352b497a18a8716fb46cedefc6af8a06d966f4501902d8384bcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66df9735930a352b497a18a8716fb46cedefc6af8a06d966f4501902d8384bcd", kill_on_drop: false }`
[INFO] [stdout] 66df9735930a352b497a18a8716fb46cedefc6af8a06d966f4501902d8384bcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] 276137b2054ca346021d631d172c2ed688a3b62f6ddb302342d729eced4b5852
[INFO] running `Command { std: "docker" "start" "-a" "276137b2054ca346021d631d172c2ed688a3b62f6ddb302342d729eced4b5852", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hmm-481cd66c00638e65)
[INFO] [stderr]    Doc-tests hmm
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test matrices::tests::test_add_to_column ... ok
[INFO] [stdout] test matrices::tests::test_argmin ... ok
[INFO] [stdout] test matrices::tests::test_min_by_column ... ok
[INFO] [stdout] test matrices::tests::test_negative ... ok
[INFO] [stdout] test matrices::tests::test_new ... ok
[INFO] [stdout] test matrices::tests::test_none2 ... ok
[INFO] [stdout] test matrices::tests::test_positive ... ok
[INFO] [stdout] test models::tests::test_map_estimation ... ok
[INFO] [stdout] test models::tests::test_new_none1 ... ok
[INFO] [stdout] test matrices::tests::test_get_column ... ok
[INFO] [stdout] test matrices::tests::test_argmin_by_column ... ok
[INFO] [stdout] test models::tests::test_new ... ok
[INFO] [stdout] test matrices::tests::test_new_none1 ... ok
[INFO] [stdout] test matrices::tests::test_add_vectors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/models.rs - models (line 19) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/models.rs - models (line 19) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `HiddenMarkov`
[INFO] [stdout]  --> src/models.rs:23:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | let hmm = HiddenMarkov::from_vec(initials, st, obs).unwrap();
[INFO] [stdout]   |           ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hmm::models::HiddenMarkov;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/models.rs:24:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_models_rs_19_0() {
[INFO] [stdout]   |                                                                            - help: try adding a return type: `-> bool`
[INFO] [stdout] ...
[INFO] [stdout] 8 | hmm.map_estimate(vec![0, 0, 1, 1, 1]) == vec![0, 0, 1, 1, 1]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found `bool`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/models.rs - models (line 19)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "276137b2054ca346021d631d172c2ed688a3b62f6ddb302342d729eced4b5852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "276137b2054ca346021d631d172c2ed688a3b62f6ddb302342d729eced4b5852", kill_on_drop: false }`
[INFO] [stdout] 276137b2054ca346021d631d172c2ed688a3b62f6ddb302342d729eced4b5852