[INFO] fetching crate fitting 0.3.0...
[INFO] testing fitting-0.3.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate fitting 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate fitting 0.3.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fitting 0.3.0
[INFO] finished tweaking crates.io crate fitting 0.3.0
[INFO] tweaked toml for crates.io crate fitting 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate fitting 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 26cf078b129c785ccbc35a6e6df18b12ce95b1c11b352d4b0b42421badb6558c
[INFO] running `"docker" "start" "-a" "26cf078b129c785ccbc35a6e6df18b12ce95b1c11b352d4b0b42421badb6558c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling itertools v0.8.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.18
[INFO] [stderr]    Compiling thiserror v1.0.18
[INFO] [stderr]    Compiling fitting v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.23s
[INFO] running `"docker" "inspect" "26cf078b129c785ccbc35a6e6df18b12ce95b1c11b352d4b0b42421badb6558c"`
[INFO] running `"docker" "rm" "-f" "26cf078b129c785ccbc35a6e6df18b12ce95b1c11b352d4b0b42421badb6558c"`
[INFO] [stdout] 26cf078b129c785ccbc35a6e6df18b12ce95b1c11b352d4b0b42421badb6558c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e1bd305f55ee9cd4ad187abd9b36d42f0ae54945fb0dcb3e161047a6070f8181
[INFO] running `"docker" "start" "-a" "e1bd305f55ee9cd4ad187abd9b36d42f0ae54945fb0dcb3e161047a6070f8181"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling fitting v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `"docker" "inspect" "e1bd305f55ee9cd4ad187abd9b36d42f0ae54945fb0dcb3e161047a6070f8181"`
[INFO] running `"docker" "rm" "-f" "e1bd305f55ee9cd4ad187abd9b36d42f0ae54945fb0dcb3e161047a6070f8181"`
[INFO] [stdout] e1bd305f55ee9cd4ad187abd9b36d42f0ae54945fb0dcb3e161047a6070f8181
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4d5964ec0e58c5601011e0caefa9ae1155ac56e3c458e0051b55130fdc906dd3
[INFO] running `"docker" "start" "-a" "4d5964ec0e58c5601011e0caefa9ae1155ac56e3c458e0051b55130fdc906dd3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fitting-b8d88ab42c19c6c6
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test linalg::tests::linalg_solve_has_inf_solutions ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_2x2 ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_has_one_solution ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_has_no_solutions ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_pivoting ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_has_one_solution_2 ... ok
[INFO] [stdout] test gaussian::tests::gaussian_vals ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_3x3 ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_has_inf_solutions_2 ... ok
[INFO] [stdout] test gaussian::tests::gaussian_val ... ok
[INFO] [stdout] test gaussian::tests::gaussian_fit_caruanas ... ok
[INFO] [stdout] test gaussian::tests::gaussian_fit_guos ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_has_no_solutions_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fitting-de890d9b239939ab
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] test it_does_not_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fitting
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/gaussian.rs - gaussian::val (line 41) ... ok
[INFO] [stdout] test src/linalg.rs - linalg::solve (line 11) ... ok
[INFO] [stdout] test src/gaussian.rs - gaussian::fit (line 14) ... ok
[INFO] [stdout] test src/gaussian.rs - gaussian::val (line 54) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4d5964ec0e58c5601011e0caefa9ae1155ac56e3c458e0051b55130fdc906dd3"`
[INFO] running `"docker" "rm" "-f" "4d5964ec0e58c5601011e0caefa9ae1155ac56e3c458e0051b55130fdc906dd3"`
[INFO] [stdout] 4d5964ec0e58c5601011e0caefa9ae1155ac56e3c458e0051b55130fdc906dd3