[INFO] cloning repository https://github.com/jtronge/numerical_methods
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtronge/numerical_methods" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 534c0c0cf394ee415edaae0df35e19ccf4811b85
[INFO] testing jtronge/numerical_methods against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtronge%2Fnumerical_methods" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jtronge/numerical_methods on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jtronge/numerical_methods
[INFO] finished tweaking git repo https://github.com/jtronge/numerical_methods
[INFO] tweaked toml for git repo https://github.com/jtronge/numerical_methods written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jtronge/numerical_methods already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b73315a7b15ef9ee48547a88d87c3911052fee275218f3ff661b046228d650d
[INFO] running `Command { std: "docker" "start" "-a" "0b73315a7b15ef9ee48547a88d87c3911052fee275218f3ff661b046228d650d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b73315a7b15ef9ee48547a88d87c3911052fee275218f3ff661b046228d650d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b73315a7b15ef9ee48547a88d87c3911052fee275218f3ff661b046228d650d", kill_on_drop: false }`
[INFO] [stdout] 0b73315a7b15ef9ee48547a88d87c3911052fee275218f3ff661b046228d650d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9a4ac3dbef9e81e912fca60f5b3965300f81d5f1766f4299120de99dda8d4bb
[INFO] running `Command { std: "docker" "start" "-a" "e9a4ac3dbef9e81e912fca60f5b3965300f81d5f1766f4299120de99dda8d4bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling numerical_methods v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/milnes_method.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut y_c = y_correct(h, y[2+i], y_1[2+i], y_1[3+i], y_prime_est);
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y1step`
[INFO] [stdout]    --> src/bin/changing_h.rs:103:15
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let ((y1step, err1step), (_, _)) = compute_one_two_taylor_series(x0, y0, h, compute_derivatives);
[INFO] [stdout]     |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y1step`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_y`
[INFO] [stdout]    --> src/bin/changing_h.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let mut last_y = y;
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/changing_h.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let mut last_y = y;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "e9a4ac3dbef9e81e912fca60f5b3965300f81d5f1766f4299120de99dda8d4bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a4ac3dbef9e81e912fca60f5b3965300f81d5f1766f4299120de99dda8d4bb", kill_on_drop: false }`
[INFO] [stdout] e9a4ac3dbef9e81e912fca60f5b3965300f81d5f1766f4299120de99dda8d4bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbb6b08ab8f029f41f9765747840ff9eb44da901383cc313ab9bfa8f08be73dc
[INFO] running `Command { std: "docker" "start" "-a" "dbb6b08ab8f029f41f9765747840ff9eb44da901383cc313ab9bfa8f08be73dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling numerical_methods v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `y1step`
[INFO] [stdout]    --> src/bin/changing_h.rs:103:15
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let ((y1step, err1step), (_, _)) = compute_one_two_taylor_series(x0, y0, h, compute_derivatives);
[INFO] [stdout]     |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y1step`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_y`
[INFO] [stdout]    --> src/bin/changing_h.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let mut last_y = y;
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/changing_h.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let mut last_y = y;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/milnes_method.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut y_c = y_correct(h, y[2+i], y_1[2+i], y_1[3+i], y_prime_est);
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "dbb6b08ab8f029f41f9765747840ff9eb44da901383cc313ab9bfa8f08be73dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbb6b08ab8f029f41f9765747840ff9eb44da901383cc313ab9bfa8f08be73dc", kill_on_drop: false }`
[INFO] [stdout] dbb6b08ab8f029f41f9765747840ff9eb44da901383cc313ab9bfa8f08be73dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c32137476a5eb58c4e9f704dcc890e5d950d26a229d7f61696aaf5d60f18ece3
[INFO] running `Command { std: "docker" "start" "-a" "c32137476a5eb58c4e9f704dcc890e5d950d26a229d7f61696aaf5d60f18ece3", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/milnes_method.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let mut y_c = y_correct(h, y[2+i], y_1[2+i], y_1[3+i], y_prime_est);
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `numerical_methods` (bin "milnes_method" test) generated 1 warning (run `cargo fix --bin "milnes_method" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused variable: `y1step`
[INFO] [stderr]    --> src/bin/changing_h.rs:103:15
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let ((y1step, err1step), (_, _)) = compute_one_two_taylor_series(x0, y0, h, compute_derivatives);
[INFO] [stderr]     |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y1step`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `last_y`
[INFO] [stderr]    --> src/bin/changing_h.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 132 |     let mut last_y = y;
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/changing_h.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |     let mut last_y = y;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `numerical_methods` (bin "changing_h" test) generated 3 warnings (run `cargo fix --bin "changing_h" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/numerical_methods-b9a6c4cc7a76fcbe)
[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 unittests src/bin/changing_h.rs (/opt/rustwide/target/debug/deps/changing_h-3d6e481b4a42b594)
[INFO] [stderr]      Running unittests src/bin/finite_difference.rs (/opt/rustwide/target/debug/deps/finite_difference-621dc5167ef3583c)
[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] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/milnes_method.rs (/opt/rustwide/target/debug/deps/milnes_method-fdeae344cb7b1ecd)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/newton_interpolation.rs (/opt/rustwide/target/debug/deps/newton_interpolation-62eb9b3b328d47d3)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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 unittests src/main.rs (/opt/rustwide/target/debug/deps/numerical_methods-17ce84aabd63d1ab)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/bin/polygonal_method_1.rs (/opt/rustwide/target/debug/deps/polygonal_method_1-f13acbc1596ebb49)
[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] [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 unittests src/bin/polygonal_method_2.rs (/opt/rustwide/target/debug/deps/polygonal_method_2-60e051fcc8af665a)
[INFO] [stderr]      Running unittests src/bin/runge_kutta.rs (/opt/rustwide/target/debug/deps/runge_kutta-906e66da24dc5591)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/taylor_series.rs (/opt/rustwide/target/debug/deps/taylor_series-6539a1f04fa710ba)
[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] [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] [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]    Doc-tests numerical_methods
[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" "c32137476a5eb58c4e9f704dcc890e5d950d26a229d7f61696aaf5d60f18ece3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c32137476a5eb58c4e9f704dcc890e5d950d26a229d7f61696aaf5d60f18ece3", kill_on_drop: false }`
[INFO] [stdout] c32137476a5eb58c4e9f704dcc890e5d950d26a229d7f61696aaf5d60f18ece3
