[INFO] fetching crate fitting 0.3.0...
[INFO] testing fitting-0.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate fitting 0.3.0 into /workspace/builds/worker-116/source
[INFO] validating manifest of crates.io crate fitting 0.3.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-116/source/Cargo.toml
[INFO] crate crates.io crate fitting 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--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-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 444cb486a99f4cb0f998c99d76f2d3d6fc276a74ad17515deaf2676866e9eb56
[INFO] running `Command { std: "docker" "start" "-a" "444cb486a99f4cb0f998c99d76f2d3d6fc276a74ad17515deaf2676866e9eb56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "444cb486a99f4cb0f998c99d76f2d3d6fc276a74ad17515deaf2676866e9eb56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "444cb486a99f4cb0f998c99d76f2d3d6fc276a74ad17515deaf2676866e9eb56", kill_on_drop: false }`
[INFO] [stdout] 444cb486a99f4cb0f998c99d76f2d3d6fc276a74ad17515deaf2676866e9eb56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b43f135072f6d44de02cd166cc51bbe756cafaf817d888d02ed5557c9d5cf94
[INFO] running `Command { std: "docker" "start" "-a" "2b43f135072f6d44de02cd166cc51bbe756cafaf817d888d02ed5557c9d5cf94", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling itertools v0.8.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[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 8.33s
[INFO] running `Command { std: "docker" "inspect" "2b43f135072f6d44de02cd166cc51bbe756cafaf817d888d02ed5557c9d5cf94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b43f135072f6d44de02cd166cc51bbe756cafaf817d888d02ed5557c9d5cf94", kill_on_drop: false }`
[INFO] [stdout] 2b43f135072f6d44de02cd166cc51bbe756cafaf817d888d02ed5557c9d5cf94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68f7005e3e071f26d908d2371802233afab7343dd6b93912eb9f95f2de477ebc
[INFO] running `Command { std: "docker" "start" "-a" "68f7005e3e071f26d908d2371802233afab7343dd6b93912eb9f95f2de477ebc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fitting v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "68f7005e3e071f26d908d2371802233afab7343dd6b93912eb9f95f2de477ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68f7005e3e071f26d908d2371802233afab7343dd6b93912eb9f95f2de477ebc", kill_on_drop: false }`
[INFO] [stdout] 68f7005e3e071f26d908d2371802233afab7343dd6b93912eb9f95f2de477ebc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 778570baf13766672f2d68c62505958b808591d2a6944c65cf388add1b1cd2a6
[INFO] running `Command { std: "docker" "start" "-a" "778570baf13766672f2d68c62505958b808591d2a6944c65cf388add1b1cd2a6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fitting-0503927a44f34aef)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fitting-8258eec2b01e6657)
[INFO] [stdout] test gaussian::tests::gaussian_fit_caruanas ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_2x2 ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_3x3 ... ok
[INFO] [stdout] test gaussian::tests::gaussian_fit_guos ... ok
[INFO] [stdout] test gaussian::tests::gaussian_val ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_has_inf_solutions ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_has_inf_solutions_2 ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_has_no_solutions ... ok
[INFO] [stdout] test gaussian::tests::gaussian_vals ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_has_one_solution ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_has_no_solutions_2 ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_has_one_solution_2 ... ok
[INFO] [stdout] test linalg::tests::linalg_solve_pivoting ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] test it_does_not_works - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[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::val (line 54) ... ok
[INFO] [stdout] test src/gaussian.rs - gaussian::fit (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "778570baf13766672f2d68c62505958b808591d2a6944c65cf388add1b1cd2a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "778570baf13766672f2d68c62505958b808591d2a6944c65cf388add1b1cd2a6", kill_on_drop: false }`
[INFO] [stdout] 778570baf13766672f2d68c62505958b808591d2a6944c65cf388add1b1cd2a6