[INFO] fetching crate mrslac 0.2.0...
[INFO] testing mrslac-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate mrslac 0.2.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate mrslac 0.2.0 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 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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] efe7417db5b3b4a36b5288ac08e0f0d9100979c19085a68744e7643ddaa20f36
[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" "efe7417db5b3b4a36b5288ac08e0f0d9100979c19085a68744e7643ddaa20f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efe7417db5b3b4a36b5288ac08e0f0d9100979c19085a68744e7643ddaa20f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efe7417db5b3b4a36b5288ac08e0f0d9100979c19085a68744e7643ddaa20f36", kill_on_drop: false }`
[INFO] [stdout] efe7417db5b3b4a36b5288ac08e0f0d9100979c19085a68744e7643ddaa20f36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] b4db4617ce11788a1564fd545a64073130e546aaaa9740be0d28cc3dcf75c1e1
[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" "b4db4617ce11788a1564fd545a64073130e546aaaa9740be0d28cc3dcf75c1e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling mrslac v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "b4db4617ce11788a1564fd545a64073130e546aaaa9740be0d28cc3dcf75c1e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4db4617ce11788a1564fd545a64073130e546aaaa9740be0d28cc3dcf75c1e1", kill_on_drop: false }`
[INFO] [stdout] b4db4617ce11788a1564fd545a64073130e546aaaa9740be0d28cc3dcf75c1e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5a4f74bf3bee0da83ff294b89fd1ba8f88f351ae2392e7d14009da0f78723426
[INFO] running `Command { std: "docker" "start" "-a" "5a4f74bf3bee0da83ff294b89fd1ba8f88f351ae2392e7d14009da0f78723426", kill_on_drop: false }`
[INFO] [stderr]    Compiling mrslac v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "5a4f74bf3bee0da83ff294b89fd1ba8f88f351ae2392e7d14009da0f78723426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a4f74bf3bee0da83ff294b89fd1ba8f88f351ae2392e7d14009da0f78723426", kill_on_drop: false }`
[INFO] [stdout] 5a4f74bf3bee0da83ff294b89fd1ba8f88f351ae2392e7d14009da0f78723426
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] f5b3f3c57001c524a358a30e0242c439f42827e32ed0743922bc0c64da544ed5
[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" "f5b3f3c57001c524a358a30e0242c439f42827e32ed0743922bc0c64da544ed5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mrslac-641b5c2c521a010d
[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] [stderr]      Running /opt/rustwide/target/debug/deps/lib-deee43bb0a2cfea1
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/matrix_dense_row_major-c1912d0e83dd62f5
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_dense_row_major_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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/matrix_sparse_crs-2f9a56cf7cdf8f73
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/matrix_sparse_dok-8015b4ad4291afb2
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test sparse_dok_init ... ok
[INFO] [stdout] test sparse_dok_basic_sparse_interface ... ok
[INFO] [stdout] test sparse_dok_basic_matrix_interface ... ok
[INFO] [stdout] test test_sparse_dok_set_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vector_dense-9fc2a2e09b95055c
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test dense_basic_matrix_interface ... ok
[INFO] [stdout] test test_dense_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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vector_sparse_cs-c8fc5b4fbfa6e74b
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test sparsecs_given_empty_vector_when_set_ellement_then_nnz_is_one ... ok
[INFO] [stdout] test sparsecs_init ... ok
[INFO] [stdout] test sparsecs_sparse_vector_interface ... ok
[INFO] [stdout] test sparsecs_basic_matrix_interface ... ok
[INFO] [stdout] test test_sparsecs_set_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f5b3f3c57001c524a358a30e0242c439f42827e32ed0743922bc0c64da544ed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5b3f3c57001c524a358a30e0242c439f42827e32ed0743922bc0c64da544ed5", kill_on_drop: false }`
[INFO] [stdout] f5b3f3c57001c524a358a30e0242c439f42827e32ed0743922bc0c64da544ed5