[INFO] fetching crate optimal-transport 0.2.0...
[INFO] testing optimal-transport-0.2.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate optimal-transport 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate optimal-transport 0.2.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate optimal-transport 0.2.0
[INFO] finished tweaking crates.io crate optimal-transport 0.2.0
[INFO] tweaked toml for crates.io crate optimal-transport 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3c9af4c1a315b60041e74e4cf4002198e39d4e16c49045064756856ed29313ca
[INFO] running `Command { std: "docker" "start" "-a" "3c9af4c1a315b60041e74e4cf4002198e39d4e16c49045064756856ed29313ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c9af4c1a315b60041e74e4cf4002198e39d4e16c49045064756856ed29313ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c9af4c1a315b60041e74e4cf4002198e39d4e16c49045064756856ed29313ca", kill_on_drop: false }`
[INFO] [stdout] 3c9af4c1a315b60041e74e4cf4002198e39d4e16c49045064756856ed29313ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54b1f1e087b096fafa8823a16d7b259799c003fe9531430117e5f52725862f38
[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" "54b1f1e087b096fafa8823a16d7b259799c003fe9531430117e5f52725862f38", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling inventory v0.1.9
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling pyo3 v0.11.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling mcmf v2.0.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling pyo3-derive-backend v0.11.1
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling ctor v0.1.16
[INFO] [stderr]    Compiling inventory-impl v0.1.9
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling pyo3cls v0.11.1
[INFO] [stderr]    Compiling indoc v0.3.6
[INFO] [stderr]    Compiling numpy v0.11.0
[INFO] [stderr]    Compiling optimal-transport v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `array`
[INFO] [stdout]  --> src/lp_solver.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ndarray::{Array, Array1, Array2, array};
[INFO] [stdout]   |                                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_1D_ot` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn calculate_1D_ot(py: Python<'_>, a: &PyArray1<i32>, b: &PyArray1<i32>, cost: &PyArray2<i32>) -> PyResult<(i32, Py<PyArray2<u32>>)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `calculate_1_d_ot`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `__pyo3_get_function_calculate_1D_ot` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn calculate_1D_ot(py: Python<'_>, a: &PyArray1<i32>, b: &PyArray1<i32>, cost: &PyArray2<i32>) -> PyResult<(i32, Py<PyArray2<u32>>)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `__pyo3_get_function_calculate_1_d_ot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_1D_ot` should have a snake case name
[INFO] [stdout]  --> src/lp_solver.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn calculate_1D_ot(a: &Array1::<i32>, b: &Array1::<i32>, cost: &Array2::<i32>) -> (i32, Array2::<u32>) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `calculate_1_d_ot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.61s
[INFO] running `Command { std: "docker" "inspect" "54b1f1e087b096fafa8823a16d7b259799c003fe9531430117e5f52725862f38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b1f1e087b096fafa8823a16d7b259799c003fe9531430117e5f52725862f38", kill_on_drop: false }`
[INFO] [stdout] 54b1f1e087b096fafa8823a16d7b259799c003fe9531430117e5f52725862f38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8aa261b1c005346a191ff850925621264beb7dfdea45ac3a16ce88babaa68ce8
[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" "8aa261b1c005346a191ff850925621264beb7dfdea45ac3a16ce88babaa68ce8", kill_on_drop: false }`
[INFO] [stderr]    Compiling optimal-transport v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `array`
[INFO] [stdout]  --> src/lp_solver.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ndarray::{Array, Array1, Array2, array};
[INFO] [stdout]   |                                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_1D_ot` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn calculate_1D_ot(py: Python<'_>, a: &PyArray1<i32>, b: &PyArray1<i32>, cost: &PyArray2<i32>) -> PyResult<(i32, Py<PyArray2<u32>>)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `calculate_1_d_ot`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `__pyo3_get_function_calculate_1D_ot` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn calculate_1D_ot(py: Python<'_>, a: &PyArray1<i32>, b: &PyArray1<i32>, cost: &PyArray2<i32>) -> PyResult<(i32, Py<PyArray2<u32>>)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `__pyo3_get_function_calculate_1_d_ot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_1D_ot` should have a snake case name
[INFO] [stdout]  --> src/lp_solver.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn calculate_1D_ot(a: &Array1::<i32>, b: &Array1::<i32>, cost: &Array2::<i32>) -> (i32, Array2::<u32>) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `calculate_1_d_ot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.02s
[INFO] running `Command { std: "docker" "inspect" "8aa261b1c005346a191ff850925621264beb7dfdea45ac3a16ce88babaa68ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aa261b1c005346a191ff850925621264beb7dfdea45ac3a16ce88babaa68ce8", kill_on_drop: false }`
[INFO] [stdout] 8aa261b1c005346a191ff850925621264beb7dfdea45ac3a16ce88babaa68ce8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f7ed9ed3a52caf703be8fc834f3b7d104d1717d47a3d081fca9e51970f6c6cd8
[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" "f7ed9ed3a52caf703be8fc834f3b7d104d1717d47a3d081fca9e51970f6c6cd8", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `array`
[INFO] [stderr]  --> src/lp_solver.rs:1:38
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ndarray::{Array, Array1, Array2, array};
[INFO] [stderr]   |                                      ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `calculate_1D_ot` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn calculate_1D_ot(py: Python<'_>, a: &PyArray1<i32>, b: &PyArray1<i32>, cost: &PyArray2<i32>) -> PyResult<(i32, Py<PyArray2<u32>>)> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `calculate_1_d_ot`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `__pyo3_get_function_calculate_1D_ot` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn calculate_1D_ot(py: Python<'_>, a: &PyArray1<i32>, b: &PyArray1<i32>, cost: &PyArray2<i32>) -> PyResult<(i32, Py<PyArray2<u32>>)> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `__pyo3_get_function_calculate_1_d_ot`
[INFO] [stderr] 
[INFO] [stderr] warning: function `calculate_1D_ot` should have a snake case name
[INFO] [stderr]  --> src/lp_solver.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn calculate_1D_ot(a: &Array1::<i32>, b: &Array1::<i32>, cost: &Array2::<i32>) -> (i32, Array2::<u32>) {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `calculate_1_d_ot`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/optimal_transport_rs-24288d8edcd5b179
[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] running `Command { std: "docker" "inspect" "f7ed9ed3a52caf703be8fc834f3b7d104d1717d47a3d081fca9e51970f6c6cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ed9ed3a52caf703be8fc834f3b7d104d1717d47a3d081fca9e51970f6c6cd8", kill_on_drop: false }`
[INFO] [stdout] f7ed9ed3a52caf703be8fc834f3b7d104d1717d47a3d081fca9e51970f6c6cd8
