[INFO] fetching crate finitediff 0.1.4...
[INFO] testing finitediff-0.1.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate finitediff 0.1.4 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate finitediff 0.1.4 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 finitediff 0.1.4
[INFO] finished tweaking crates.io crate finitediff 0.1.4
[INFO] tweaked toml for crates.io crate finitediff 0.1.4 written to /workspace/builds/worker-102/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-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 4b861af3b92979662f9e35bcf9272c0435d22509109d0e06072a71ff7def1dc5
[INFO] running `Command { std: "docker" "start" "-a" "4b861af3b92979662f9e35bcf9272c0435d22509109d0e06072a71ff7def1dc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b861af3b92979662f9e35bcf9272c0435d22509109d0e06072a71ff7def1dc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b861af3b92979662f9e35bcf9272c0435d22509109d0e06072a71ff7def1dc5", kill_on_drop: false }`
[INFO] [stdout] 4b861af3b92979662f9e35bcf9272c0435d22509109d0e06072a71ff7def1dc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 2d540b905e006a3df2c7315d599d0daf55c077612eec5849474ea79da8c0e1ba
[INFO] running `Command { std: "docker" "start" "-a" "2d540b905e006a3df2c7315d599d0daf55c077612eec5849474ea79da8c0e1ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling finitediff v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "2d540b905e006a3df2c7315d599d0daf55c077612eec5849474ea79da8c0e1ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d540b905e006a3df2c7315d599d0daf55c077612eec5849474ea79da8c0e1ba", kill_on_drop: false }`
[INFO] [stdout] 2d540b905e006a3df2c7315d599d0daf55c077612eec5849474ea79da8c0e1ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 8171aa075fb8329ce8e2bf57516e8f934611b6ef16a4d949b5d85223650b9655
[INFO] running `Command { std: "docker" "start" "-a" "8171aa075fb8329ce8e2bf57516e8f934611b6ef16a4d949b5d85223650b9655", 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] [stderr]    Compiling finitediff v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "8171aa075fb8329ce8e2bf57516e8f934611b6ef16a4d949b5d85223650b9655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8171aa075fb8329ce8e2bf57516e8f934611b6ef16a4d949b5d85223650b9655", kill_on_drop: false }`
[INFO] [stdout] 8171aa075fb8329ce8e2bf57516e8f934611b6ef16a4d949b5d85223650b9655
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 03593f91253417e7b71b257768b39e09966047f0bc822e302b52907958f4bed7
[INFO] running `Command { std: "docker" "start" "-a" "03593f91253417e7b71b257768b39e09966047f0bc822e302b52907958f4bed7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/finitediff-6f3cafeb7baedef6)
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stderr]    Doc-tests finitediff
[INFO] [stdout] test diff::tests::test_central_diff_vec_f64 ... ok
[INFO] [stdout] test hessian::tests::test_central_hessian_vec_f64 ... ok
[INFO] [stdout] test hessian::tests::test_central_hessian_vec_prod_vec_f64 ... ok
[INFO] [stdout] test hessian::tests::test_forward_hessian_nograd_sparse_vec_f64 ... ok
[INFO] [stdout] test hessian::tests::test_forward_hessian_nograd_vec_f64 ... ok
[INFO] [stdout] test diff::tests::test_forward_diff_vec_f64 ... ok
[INFO] [stdout] test hessian::tests::test_forward_hessian_vec_f64 ... ok
[INFO] [stdout] test hessian::tests::test_forward_hessian_vec_prod_vec_f64 ... ok
[INFO] [stdout] test jacobian::tests::test_central_jacobian_pert_vec_f64 ... ok
[INFO] [stdout] test jacobian::tests::test_central_jacobian_vec_f64 ... ok
[INFO] [stdout] test jacobian::tests::test_central_jacobian_vec_prod_vec_f64 ... ok
[INFO] [stdout] test jacobian::tests::test_forward_jacobian_pert_vec_f64 ... ok
[INFO] [stdout] test jacobian::tests::test_forward_jacobian_vec_f64 ... ok
[INFO] [stdout] test tests_vec::test_central_diff_vec_f64_trait ... ok
[INFO] [stdout] test jacobian::tests::test_forward_jacobian_vec_prod_vec_f64 ... ok
[INFO] [stdout] test tests_vec::test_central_hessian_vec_f64_trait ... ok
[INFO] [stdout] test tests_vec::test_central_hessian_vec_prod_vec_f64_trait ... ok
[INFO] [stdout] test tests_vec::test_central_jacobian_pert_vec_f64_trait ... ok
[INFO] [stdout] test tests_vec::test_central_jacobian_vec_f64_trait ... ok
[INFO] [stdout] test tests_vec::test_central_jacobian_vec_prod_vec_f64_trait ... ok
[INFO] [stdout] test tests_vec::test_forward_diff_vec_f64_trait ... ok
[INFO] [stdout] test tests_vec::test_forward_hessian_nograd_sparse_vec_f64_trait ... ok
[INFO] [stdout] test tests_vec::test_forward_hessian_nograd_vec_f64_trait ... ok
[INFO] [stdout] test tests_vec::test_forward_hessian_vec_prod_vec_f64_trait ... ok
[INFO] [stdout] test tests_vec::test_forward_jacobian_vec_f64_trait ... ok
[INFO] [stdout] test tests_vec::test_forward_jacobian_pert_vec_f64_trait ... ok
[INFO] [stdout] test tests_vec::test_forward_hessian_vec_f64_trait ... ok
[INFO] [stdout] test tests_vec::test_forward_jacobian_vec_prod_vec_f64_trait ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - (line 91) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 61) ... ok
[INFO] [stdout] test src/lib.rs - (line 272) ... ok
[INFO] [stdout] test src/lib.rs - (line 333) ... ok
[INFO] [stdout] test src/lib.rs - (line 306) ... ok
[INFO] [stdout] test src/lib.rs - (line 128) ... ok
[INFO] [stdout] test src/lib.rs - (line 362) ... ok
[INFO] [stdout] test src/lib.rs - (line 175) ... ok
[INFO] [stdout] test src/lib.rs - (line 213) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 91) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `ndarray`
[INFO] [stdout]  --> src/lib.rs:92:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ndarray::{array, Array1};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `ndarray`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `array`
[INFO] [stdout]   --> src/lib.rs:102:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | let x = array![1.0f64, 1.0];
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 91)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.73s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "03593f91253417e7b71b257768b39e09966047f0bc822e302b52907958f4bed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03593f91253417e7b71b257768b39e09966047f0bc822e302b52907958f4bed7", kill_on_drop: false }`
[INFO] [stdout] 03593f91253417e7b71b257768b39e09966047f0bc822e302b52907958f4bed7