[INFO] fetching crate fbleau 0.3.1...
[INFO] testing fbleau-0.3.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate fbleau 0.3.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate fbleau 0.3.1 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 fbleau 0.3.1
[INFO] finished tweaking crates.io crate fbleau 0.3.1
[INFO] tweaked toml for crates.io crate fbleau 0.3.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate fbleau 0.3.1 already has a lockfile, it will not be regenerated
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] b3395f1d2b5645f22786a147fa1d06f1e41a6ce87cb362cc9c7334d7050a603a
[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" "b3395f1d2b5645f22786a147fa1d06f1e41a6ce87cb362cc9c7334d7050a603a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling itertools v0.8.1
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling float-cmp v0.5.2
[INFO] [stderr]    Compiling ordered-float v0.5.2
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling csv v1.0.2
[INFO] [stderr]    Compiling docopt v1.0.1
[INFO] [stderr]    Compiling fbleau v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `"docker" "inspect" "b3395f1d2b5645f22786a147fa1d06f1e41a6ce87cb362cc9c7334d7050a603a"`
[INFO] running `"docker" "rm" "-f" "b3395f1d2b5645f22786a147fa1d06f1e41a6ce87cb362cc9c7334d7050a603a"`
[INFO] [stdout] b3395f1d2b5645f22786a147fa1d06f1e41a6ce87cb362cc9c7334d7050a603a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1558d9855e2350ed26e4df64456e969d5653fe1f43ded1d4da1ccb31e25a1d04
[INFO] running `"docker" "start" "-a" "1558d9855e2350ed26e4df64456e969d5653fe1f43ded1d4da1ccb31e25a1d04"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling rustlearn v0.5.0
[INFO] [stderr]    Compiling fbleau v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.15s
[INFO] running `"docker" "inspect" "1558d9855e2350ed26e4df64456e969d5653fe1f43ded1d4da1ccb31e25a1d04"`
[INFO] running `"docker" "rm" "-f" "1558d9855e2350ed26e4df64456e969d5653fe1f43ded1d4da1ccb31e25a1d04"`
[INFO] [stdout] 1558d9855e2350ed26e4df64456e969d5653fe1f43ded1d4da1ccb31e25a1d04
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] fc34981c83797cf985850869572f9e31c34aa19017094b69072faf97f613a050
[INFO] running `"docker" "start" "-a" "fc34981c83797cf985850869572f9e31c34aa19017094b69072faf97f613a050"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fbleau-3558d2dadba65d37
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test estimates::convergence::tests::forward_checker_init ... ok
[INFO] [stdout] test estimates::convergence::tests::forward_checker_convergence ... ok
[INFO] [stdout] test estimates::convergence::tests::absolute_convergence ... ok
[INFO] [stdout] test utils::tests::test_vectors_to_ids ... ok
[INFO] [stdout] test estimates::knn::tests::knn_predictions_multivariate ... ok
[INFO] [stdout] test estimates::knn::tests::knn_predictions_ties ... ok
[INFO] [stdout] test estimates::knn::tests::knn_forward_errors ... ok
[INFO] [stdout] test estimates::knn::tests::ties_after_max_k ... ok
[INFO] [stdout] test estimates::frequentist::tests::frequentist_estimate_forward ... ok
[INFO] [stdout] test estimates::knn::tests::knn_init ... ok
[INFO] [stdout] test estimates::frequentist::tests::frequentist_estimate_backward ... ok
[INFO] [stdout] test estimates::knn::tests::knn_forward_predictions ... ok
[INFO] [stdout] test utils::tests::test_scale ... ok
[INFO] [stdout] test estimates::frequentist::tests::frequentist_init ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fbleau-bef781247a73616f
[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] [stderr]    Doc-tests fbleau
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/utils.rs - utils::has_integer_support (line 106) ... ok
[INFO] [stdout] test src/estimates/knn.rs - estimates::knn (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "fc34981c83797cf985850869572f9e31c34aa19017094b69072faf97f613a050"`
[INFO] running `"docker" "rm" "-f" "fc34981c83797cf985850869572f9e31c34aa19017094b69072faf97f613a050"`
[INFO] [stdout] fc34981c83797cf985850869572f9e31c34aa19017094b69072faf97f613a050