[INFO] fetching crate rusfun 0.3.2...
[INFO] testing rusfun-0.3.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rusfun 0.3.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rusfun 0.3.2 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 rusfun 0.3.2
[INFO] finished tweaking crates.io crate rusfun 0.3.2
[INFO] tweaked toml for crates.io crate rusfun 0.3.2 written to /workspace/builds/worker-3/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_float_eq v1.1.3
[INFO] [stderr]   Downloaded gauss-quad v0.1.4
[INFO] [stderr]   Downloaded statrs v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 9004fc752b4df3975c8d8be3dfb4c343537aea3a8913ec422f992cdcd64e5f46
[INFO] running `Command { std: "docker" "start" "-a" "9004fc752b4df3975c8d8be3dfb4c343537aea3a8913ec422f992cdcd64e5f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9004fc752b4df3975c8d8be3dfb4c343537aea3a8913ec422f992cdcd64e5f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9004fc752b4df3975c8d8be3dfb4c343537aea3a8913ec422f992cdcd64e5f46", kill_on_drop: false }`
[INFO] [stdout] 9004fc752b4df3975c8d8be3dfb4c343537aea3a8913ec422f992cdcd64e5f46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 58e8e28d0eb556caca3a6a2f4380e4990b0dd4610bbccf613b1dab2f2763fba9
[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" "58e8e28d0eb556caca3a6a2f4380e4990b0dd4610bbccf613b1dab2f2763fba9", kill_on_drop: false }`
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling assert_float_eq v1.1.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.69
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling statrs v0.11.0
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.69
[INFO] [stderr]    Compiling nalgebra v0.18.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.69
[INFO] [stderr]    Compiling gauss-quad v0.1.4
[INFO] [stderr]    Compiling rusfun v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/curve_fit.rs:181:38
[INFO] [stdout]     |
[INFO] [stdout] 181 |             .fold(0. / 0., f64::max);;
[INFO] [stdout]     |                                      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.38s
[INFO] running `Command { std: "docker" "inspect" "58e8e28d0eb556caca3a6a2f4380e4990b0dd4610bbccf613b1dab2f2763fba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58e8e28d0eb556caca3a6a2f4380e4990b0dd4610bbccf613b1dab2f2763fba9", kill_on_drop: false }`
[INFO] [stdout] 58e8e28d0eb556caca3a6a2f4380e4990b0dd4610bbccf613b1dab2f2763fba9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ddb738ccf0110e894347f5c3aa3e61b2d8a3e0dab1778b849dc8d1040be3e80b
[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" "ddb738ccf0110e894347f5c3aa3e61b2d8a3e0dab1778b849dc8d1040be3e80b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusfun v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/curve_fit.rs:181:38
[INFO] [stdout]     |
[INFO] [stdout] 181 |             .fold(0. / 0., f64::max);;
[INFO] [stdout]     |                                      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/curve_fit.rs:181:38
[INFO] [stdout]     |
[INFO] [stdout] 181 |             .fold(0. / 0., f64::max);;
[INFO] [stdout]     |                                      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "ddb738ccf0110e894347f5c3aa3e61b2d8a3e0dab1778b849dc8d1040be3e80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddb738ccf0110e894347f5c3aa3e61b2d8a3e0dab1778b849dc8d1040be3e80b", kill_on_drop: false }`
[INFO] [stdout] ddb738ccf0110e894347f5c3aa3e61b2d8a3e0dab1778b849dc8d1040be3e80b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 60db3743fc41586c91641528c1cb661ded9568579c5593bb38973f468ad7cab2
[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" "60db3743fc41586c91641528c1cb661ded9568579c5593bb38973f468ad7cab2", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/curve_fit.rs:181:38
[INFO] [stderr]     |
[INFO] [stderr] 181 |             .fold(0. / 0., f64::max);;
[INFO] [stderr]     |                                      ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/curve_fit.rs:181:38
[INFO] [stderr]     |
[INFO] [stderr] 181 |             .fold(0. / 0., f64::max);;
[INFO] [stderr]     |                                      ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusfun-c74de898a31ea76b
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test func1d::tests::calculate_parabola ... ok
[INFO] [stdout] test utils::tests::solve_system_of_linear_equations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rusfun
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> /opt/rustwide/workdir/src/curve_fit.rs:181:38
[INFO] [stderr]     |
[INFO] [stderr] 181 |             .fold(0. / 0., f64::max);;
[INFO] [stderr]     |                                      ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "60db3743fc41586c91641528c1cb661ded9568579c5593bb38973f468ad7cab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60db3743fc41586c91641528c1cb661ded9568579c5593bb38973f468ad7cab2", kill_on_drop: false }`
[INFO] [stdout] 60db3743fc41586c91641528c1cb661ded9568579c5593bb38973f468ad7cab2