[INFO] cloning repository https://github.com/wattrg/rnmf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wattrg/rnmf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwattrg%2Frnmf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwattrg%2Frnmf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 613c1ded7e2d55b7c7f5dd50a0e0f595632bba68
[INFO] testing wattrg/rnmf against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwattrg%2Frnmf" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wattrg/rnmf 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 git repo https://github.com/wattrg/rnmf
[INFO] finished tweaking git repo https://github.com/wattrg/rnmf
[INFO] tweaked toml for git repo https://github.com/wattrg/rnmf written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/wattrg/rnmf 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 52fddf6853106b90056663a52831c9fd2426ee3ff1be4924ef330ab10fee31a9
[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" "52fddf6853106b90056663a52831c9fd2426ee3ff1be4924ef330ab10fee31a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52fddf6853106b90056663a52831c9fd2426ee3ff1be4924ef330ab10fee31a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52fddf6853106b90056663a52831c9fd2426ee3ff1be4924ef330ab10fee31a9", kill_on_drop: false }`
[INFO] [stdout] 52fddf6853106b90056663a52831c9fd2426ee3ff1be4924ef330ab10fee31a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] e459a2d446519e3a46cba2791d27b57509a4c2ac9635907fe44fe3a072b97082
[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" "e459a2d446519e3a46cba2791d27b57509a4c2ac9635907fe44fe3a072b97082", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling number_prefix v0.3.0
[INFO] [stderr]    Compiling rlua v0.17.0
[INFO] [stderr]    Compiling terminal_size v0.1.15
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling console v0.14.0
[INFO] [stderr]    Compiling indicatif v0.15.0
[INFO] [stderr]    Compiling rnmf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.88s
[INFO] running `Command { std: "docker" "inspect" "e459a2d446519e3a46cba2791d27b57509a4c2ac9635907fe44fe3a072b97082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e459a2d446519e3a46cba2791d27b57509a4c2ac9635907fe44fe3a072b97082", kill_on_drop: false }`
[INFO] [stdout] e459a2d446519e3a46cba2791d27b57509a4c2ac9635907fe44fe3a072b97082
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 5a02d8b4666a506da69b33fbb644ba7c9eae521a7e74acb0b35c63d17d0dd332
[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" "5a02d8b4666a506da69b33fbb644ba7c9eae521a7e74acb0b35c63d17d0dd332", kill_on_drop: false }`
[INFO] [stderr]    Compiling rnmf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `psi` is never read
[INFO] [stdout]   --> examples/magnetostatics/main.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     psi = io::write_csv(&"./examples/magnetostatics/test", psi);
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.56s
[INFO] running `Command { std: "docker" "inspect" "5a02d8b4666a506da69b33fbb644ba7c9eae521a7e74acb0b35c63d17d0dd332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a02d8b4666a506da69b33fbb644ba7c9eae521a7e74acb0b35c63d17d0dd332", kill_on_drop: false }`
[INFO] [stdout] 5a02d8b4666a506da69b33fbb644ba7c9eae521a7e74acb0b35c63d17d0dd332
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 39b4159c70ebbc8058c8860e34726a4faa847a14fa39ddbffcbe32372266966e
[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" "39b4159c70ebbc8058c8860e34726a4faa847a14fa39ddbffcbe32372266966e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: value assigned to `psi` is never read
[INFO] [stdout] running 10 tests
[INFO] [stderr]   --> examples/magnetostatics/main.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     psi = io::write_csv(&"./examples/magnetostatics/test", psi);
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rnmf-eb7299f539d7d831
[INFO] [stdout] test mesh::cartesian::tests::enumerate_pos ... ok
[INFO] [stdout] test mesh::cartesian::tests::mesh_iterator ... ok
[INFO] [stdout] test mesh::cartesian::tests::ghost_iterator ... ok
[INFO] [stdout] test mesh::cartesian::tests::indexing ... ok
[INFO] [stdout] test mesh::cartesian::tests::data_frame_iterator ... ok
[INFO] [stdout] test mesh::cartesian::tests::is_valid_cell ... ok
[INFO] [stdout] test mesh::cartesian::tests::test_prescribed_bc ... ok
[INFO] [stdout] test mesh::cartesian::tests::test_neumann_bc ... ok
[INFO] [stdout] test mesh::cartesian::tests::node_pos ... ok
[INFO] [stdout] test mesh::cartesian::tests::test_dirichlet_bc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rnmf_bin-7ad24214f72a0641
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rnmf
[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 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" "39b4159c70ebbc8058c8860e34726a4faa847a14fa39ddbffcbe32372266966e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39b4159c70ebbc8058c8860e34726a4faa847a14fa39ddbffcbe32372266966e", kill_on_drop: false }`
[INFO] [stdout] 39b4159c70ebbc8058c8860e34726a4faa847a14fa39ddbffcbe32372266966e