[INFO] fetching crate mrslac 0.2.0...
[INFO] testing mrslac-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate mrslac 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate mrslac 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mrslac 0.2.0
[INFO] finished tweaking crates.io crate mrslac 0.2.0
[INFO] tweaked toml for crates.io crate mrslac 0.2.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-01-01" "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] 096ba4e2dc67ab42615fd6da8526c37bda2184d58eae3931908ec90b70bac31a
[INFO] running `Command { std: "docker" "start" "-a" "096ba4e2dc67ab42615fd6da8526c37bda2184d58eae3931908ec90b70bac31a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "096ba4e2dc67ab42615fd6da8526c37bda2184d58eae3931908ec90b70bac31a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "096ba4e2dc67ab42615fd6da8526c37bda2184d58eae3931908ec90b70bac31a", kill_on_drop: false }`
[INFO] [stdout] 096ba4e2dc67ab42615fd6da8526c37bda2184d58eae3931908ec90b70bac31a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cb9b940dd7fbbe3b318bf3de7bf30e03ad549ad7cfe4c8d948447cf42ee8baa
[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" "4cb9b940dd7fbbe3b318bf3de7bf30e03ad549ad7cfe4c8d948447cf42ee8baa", kill_on_drop: false }`
[INFO] [stderr]    Compiling mrslac v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "4cb9b940dd7fbbe3b318bf3de7bf30e03ad549ad7cfe4c8d948447cf42ee8baa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cb9b940dd7fbbe3b318bf3de7bf30e03ad549ad7cfe4c8d948447cf42ee8baa", kill_on_drop: false }`
[INFO] [stdout] 4cb9b940dd7fbbe3b318bf3de7bf30e03ad549ad7cfe4c8d948447cf42ee8baa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62960df908db88e673cb476943c6aa50239b0539137a476d152b9b454471719e
[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" "62960df908db88e673cb476943c6aa50239b0539137a476d152b9b454471719e", kill_on_drop: false }`
[INFO] [stderr]    Compiling mrslac v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "62960df908db88e673cb476943c6aa50239b0539137a476d152b9b454471719e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62960df908db88e673cb476943c6aa50239b0539137a476d152b9b454471719e", kill_on_drop: false }`
[INFO] [stdout] 62960df908db88e673cb476943c6aa50239b0539137a476d152b9b454471719e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dc458038f2b3b12a87b82c6d00a69a93af64baeae5cb54a44f50879bf550cfbd
[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" "dc458038f2b3b12a87b82c6d00a69a93af64baeae5cb54a44f50879bf550cfbd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mrslac-eb7f50831b8be5d5
[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 /opt/rustwide/target/debug/deps/lib-d769ca201cbe6d84
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/matrix_dense_row_major-b7f587dfc87491bd
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test dense_basic_matrix_interface ... ok
[INFO] [stdout] test test_dense_row_major_set_zero ... ok
[INFO] [stdout] test dense_init ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/matrix_sparse_crs-bbac8a23158dbc02
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test sparse_crs_basic_matrix_interface ... ok
[INFO] [stdout] test sparse_crs_basic_sparse_interface ... ok
[INFO] [stdout] test sparse_crs_init ... ok
[INFO] [stdout] test test_sparse_crs_set_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/matrix_sparse_dok-b470f2a3acfb2ec1
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test sparse_dok_basic_matrix_interface ... ok
[INFO] [stdout] test test_sparse_dok_set_zero ... ok
[INFO] [stdout] test sparse_dok_init ... ok
[INFO] [stdout] test sparse_dok_basic_sparse_interface ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vector_dense-f1a12b049eeb0c6d
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_dense_set_zero ... ok
[INFO] [stdout] test dense_init ... ok
[INFO] [stdout] test dense_basic_matrix_interface ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vector_sparse_cs-f18a70deebe53640
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test sparsecs_basic_matrix_interface ... ok
[INFO] [stdout] test sparsecs_init ... ok
[INFO] [stdout] test sparsecs_given_empty_vector_when_set_ellement_then_nnz_is_one ... ok
[INFO] [stdout] test test_sparsecs_set_zero ... ok
[INFO] [stdout] test sparsecs_sparse_vector_interface ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mrslac
[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] running `Command { std: "docker" "inspect" "dc458038f2b3b12a87b82c6d00a69a93af64baeae5cb54a44f50879bf550cfbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc458038f2b3b12a87b82c6d00a69a93af64baeae5cb54a44f50879bf550cfbd", kill_on_drop: false }`
[INFO] [stdout] dc458038f2b3b12a87b82c6d00a69a93af64baeae5cb54a44f50879bf550cfbd