[INFO] fetching crate friedrich 0.4.1...
[INFO] testing friedrich-0.4.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate friedrich 0.4.1 into /workspace/builds/worker-78/source
[INFO] validating manifest of crates.io crate friedrich 0.4.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate friedrich 0.4.1
[INFO] finished tweaking crates.io crate friedrich 0.4.1
[INFO] tweaked toml for crates.io crate friedrich 0.4.1 written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] crate crates.io crate friedrich 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9060f37728d30152a47548c2a046274ae233ec76e3e59395d53ad985269931d4
[INFO] running `Command { std: "docker" "start" "-a" "9060f37728d30152a47548c2a046274ae233ec76e3e59395d53ad985269931d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9060f37728d30152a47548c2a046274ae233ec76e3e59395d53ad985269931d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9060f37728d30152a47548c2a046274ae233ec76e3e59395d53ad985269931d4", kill_on_drop: false }`
[INFO] [stdout] 9060f37728d30152a47548c2a046274ae233ec76e3e59395d53ad985269931d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0136817d0f080db58311c289ca217ba71dbbc3bc408b65210d713e1e896e96db
[INFO] running `Command { std: "docker" "start" "-a" "0136817d0f080db58311c289ca217ba71dbbc3bc408b65210d713e1e896e96db", 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 autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling safe_arch v0.6.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling wide v0.7.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling approx v0.5.0
[INFO] [stderr]    Compiling rand_distr v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling simba v0.6.0
[INFO] [stderr]    Compiling nalgebra v0.29.0
[INFO] [stderr]    Compiling friedrich v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.94s
[INFO] running `Command { std: "docker" "inspect" "0136817d0f080db58311c289ca217ba71dbbc3bc408b65210d713e1e896e96db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0136817d0f080db58311c289ca217ba71dbbc3bc408b65210d713e1e896e96db", kill_on_drop: false }`
[INFO] [stdout] 0136817d0f080db58311c289ca217ba71dbbc3bc408b65210d713e1e896e96db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19231d632e9d3b7701b95e388f728e31f103b6e43d87642721f872d5c202f9aa
[INFO] running `Command { std: "docker" "start" "-a" "19231d632e9d3b7701b95e388f728e31f103b6e43d87642721f872d5c202f9aa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling friedrich v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "19231d632e9d3b7701b95e388f728e31f103b6e43d87642721f872d5c202f9aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19231d632e9d3b7701b95e388f728e31f103b6e43d87642721f872d5c202f9aa", kill_on_drop: false }`
[INFO] [stdout] 19231d632e9d3b7701b95e388f728e31f103b6e43d87642721f872d5c202f9aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9cee3607b6c49b8dac34dc6478f84d81a8c53913b35c443231c2da1da113767e
[INFO] running `Command { std: "docker" "start" "-a" "9cee3607b6c49b8dac34dc6478f84d81a8c53913b35c443231c2da1da113767e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/friedrich-3b9db4948ec2696e)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/friedrich-61e727eb674f5243)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests friedrich
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/gaussian_process/mod.rs - gaussian_process::GaussianProcess<kernel::Gaussian,prior::ConstantPrior>::default (line 78) ... ok
[INFO] [stdout] test src/gaussian_process/mod.rs - gaussian_process::GaussianProcess<KernelType,PriorType>::predict_mean_variance (line 286) ... ok
[INFO] [stdout] test src/gaussian_process/multivariate_normal.rs - gaussian_process::multivariate_normal::MultivariateNormal (line 12) ... ok
[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<kernel::Gaussian,prior::ConstantPrior>::builder (line 101) ... ok
[INFO] [stdout] test src/gaussian_process/multivariate_normal.rs - gaussian_process::multivariate_normal::MultivariateNormal (line 32) ... ok
[INFO] [stdout] test src/gaussian_process/mod.rs - gaussian_process::GaussianProcess<KernelType,PriorType>::sample_at (line 361) ... ok
[INFO] [stdout] test src/gaussian_process/mod.rs - gaussian_process (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9cee3607b6c49b8dac34dc6478f84d81a8c53913b35c443231c2da1da113767e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cee3607b6c49b8dac34dc6478f84d81a8c53913b35c443231c2da1da113767e", kill_on_drop: false }`
[INFO] [stdout] 9cee3607b6c49b8dac34dc6478f84d81a8c53913b35c443231c2da1da113767e