[INFO] fetching crate friedrich 0.3.3...
[INFO] testing friedrich-0.3.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate friedrich 0.3.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate friedrich 0.3.3 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 friedrich 0.3.3
[INFO] finished tweaking crates.io crate friedrich 0.3.3
[INFO] tweaked toml for crates.io crate friedrich 0.3.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate friedrich 0.3.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 6ba33914e90deaa32c20e13b458984775080386e73a2e0bd81e7ae0d46ab3fb8
[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" "6ba33914e90deaa32c20e13b458984775080386e73a2e0bd81e7ae0d46ab3fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ba33914e90deaa32c20e13b458984775080386e73a2e0bd81e7ae0d46ab3fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ba33914e90deaa32c20e13b458984775080386e73a2e0bd81e7ae0d46ab3fb8", kill_on_drop: false }`
[INFO] [stdout] 6ba33914e90deaa32c20e13b458984775080386e73a2e0bd81e7ae0d46ab3fb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 16c2620600fd4c24f51de3d9b9e597e25f25edf22f98bc45b58c80214daae8ce
[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" "16c2620600fd4c24f51de3d9b9e597e25f25edf22f98bc45b58c80214daae8ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling paste v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling simba v0.3.1
[INFO] [stderr]    Compiling rand_distr v0.3.0
[INFO] [stderr]    Compiling nalgebra v0.23.0
[INFO] [stderr]    Compiling friedrich v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.47s
[INFO] running `Command { std: "docker" "inspect" "16c2620600fd4c24f51de3d9b9e597e25f25edf22f98bc45b58c80214daae8ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c2620600fd4c24f51de3d9b9e597e25f25edf22f98bc45b58c80214daae8ce", kill_on_drop: false }`
[INFO] [stdout] 16c2620600fd4c24f51de3d9b9e597e25f25edf22f98bc45b58c80214daae8ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] d00af34d5ebfe7a67916707168b675a06527bc8ecb93c58bcc13b7495d7e1a16
[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" "d00af34d5ebfe7a67916707168b675a06527bc8ecb93c58bcc13b7495d7e1a16", kill_on_drop: false }`
[INFO] [stderr]    Compiling friedrich v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "d00af34d5ebfe7a67916707168b675a06527bc8ecb93c58bcc13b7495d7e1a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d00af34d5ebfe7a67916707168b675a06527bc8ecb93c58bcc13b7495d7e1a16", kill_on_drop: false }`
[INFO] [stdout] d00af34d5ebfe7a67916707168b675a06527bc8ecb93c58bcc13b7495d7e1a16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 6077ef77782c7b217285c4074d201893eb3fccb7f8b794cd94261f21179cd990
[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" "6077ef77782c7b217285c4074d201893eb3fccb7f8b794cd94261f21179cd990", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/friedrich-e88da887f62040aa
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/friedrich-9b164f3761674f60
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests friedrich
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/gaussian_process/builder.rs - gaussian_process::builder::GaussianProcessBuilder (line 11) ... ok
[INFO] [stdout] test src/gaussian_process/mod.rs - gaussian_process::GaussianProcess<KernelType, PriorType>::sample_at (line 331) ... ok
[INFO] [stdout] test src/gaussian_process/mod.rs - gaussian_process (line 3) ... ok
[INFO] [stdout] test src/gaussian_process/multivariate_normal.rs - gaussian_process::multivariate_normal::MultivariateNormal (line 12) ... ok
[INFO] [stdout] test src/gaussian_process/mod.rs - gaussian_process::GaussianProcess<kernel::Gaussian, prior::ConstantPrior>::default (line 76) ... ok
[INFO] [stdout] test src/gaussian_process/mod.rs - gaussian_process::GaussianProcess<KernelType, PriorType>::predict_mean_variance (line 256) ... ok
[INFO] [stdout] test src/gaussian_process/mod.rs - gaussian_process::GaussianProcess<kernel::Gaussian, prior::ConstantPrior>::builder (line 97) ... ok
[INFO] [stdout] test src/gaussian_process/multivariate_normal.rs - gaussian_process::multivariate_normal::MultivariateNormal (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6077ef77782c7b217285c4074d201893eb3fccb7f8b794cd94261f21179cd990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6077ef77782c7b217285c4074d201893eb3fccb7f8b794cd94261f21179cd990", kill_on_drop: false }`
[INFO] [stdout] 6077ef77782c7b217285c4074d201893eb3fccb7f8b794cd94261f21179cd990