[INFO] crate second_order_ode 0.1.0 is already in cache
[INFO] extracting crate second_order_ode 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/second_order_ode/0.1.0
[INFO] extracting crate second_order_ode 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/second_order_ode/0.1.0
[INFO] validating manifest of second_order_ode-0.1.0 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of second_order_ode-0.1.0 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing second_order_ode-0.1.0
[INFO] finished frobbing second_order_ode-0.1.0
[INFO] frobbed toml for second_order_ode-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/second_order_ode/0.1.0/Cargo.toml
[INFO] started frobbing second_order_ode-0.1.0
[INFO] finished frobbing second_order_ode-0.1.0
[INFO] frobbed toml for second_order_ode-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/second_order_ode/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting second_order_ode-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/second_order_ode/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3d557260be100e77acd8283e3b3242b92c3936957a6ac2e66b2abe590f321539
[INFO] running `"docker" "start" "-a" "3d557260be100e77acd8283e3b3242b92c3936957a6ac2e66b2abe590f321539"`
[INFO] [stderr]     Checking second_order_ode v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking approx v0.2.1
[INFO] [stderr] warning: this lifetime isn't used in the function definition
[INFO] [stderr]   --> src/lib.rs:14:21
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn thomas_algorithm<'a, Id>(
[INFO] [stderr]    |                     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::extra_unused_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/lib.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         solve_v[index]=solve_v[index]-cprime*solve_v[index+1];
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `solve_v[index] -= cprime*solve_v[index+1]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: this function has too many arguments (8/7)
[INFO] [stderr]    --> src/lib.rs:60:1
[INFO] [stderr]     |
[INFO] [stderr] 60  | / pub fn solve_ode(
[INFO] [stderr] 61  | |     second_deriv_coef:&Fn(f64)->f64,
[INFO] [stderr] 62  | |     first_deriv_coef:&Fn(f64)->f64,
[INFO] [stderr] 63  | |     fn_coef:&Fn(f64)->f64,
[INFO] [stderr] ...   |
[INFO] [stderr] 112 | |
[INFO] [stderr] 113 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::too_many_arguments)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/lib.rs:85:14
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let diag=(1..num_steps+1).map(|index|{
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^ help: use: `(1..=num_steps)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:125:14
[INFO] [stderr]     |
[INFO] [stderr] 125 |             -1.5714286,
[INFO] [stderr]     |              ^^^^^^^^^ help: consider: `1.571_428_6`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 |             0.8571429,
[INFO] [stderr]     |             ^^^^^^^^^ help: consider: `0.857_142_9`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:127:14
[INFO] [stderr]     |
[INFO] [stderr] 127 |             -1.0714286
[INFO] [stderr]     |              ^^^^^^^^^ help: consider: `1.071_428_6`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:131:50
[INFO] [stderr]     |
[INFO] [stderr] 131 |             assert_abs_diff_eq!(res, ex, epsilon=0.000001);
[INFO] [stderr]     |                                                  ^^^^^^^^ help: consider: `0.000_001`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: this lifetime isn't used in the function definition
[INFO] [stderr]   --> src/lib.rs:14:21
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn thomas_algorithm<'a, Id>(
[INFO] [stderr]    |                     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::extra_unused_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/lib.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         solve_v[index]=solve_v[index]-cprime*solve_v[index+1];
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `solve_v[index] -= cprime*solve_v[index+1]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: this function has too many arguments (8/7)
[INFO] [stderr]    --> src/lib.rs:60:1
[INFO] [stderr]     |
[INFO] [stderr] 60  | / pub fn solve_ode(
[INFO] [stderr] 61  | |     second_deriv_coef:&Fn(f64)->f64,
[INFO] [stderr] 62  | |     first_deriv_coef:&Fn(f64)->f64,
[INFO] [stderr] 63  | |     fn_coef:&Fn(f64)->f64,
[INFO] [stderr] ...   |
[INFO] [stderr] 112 | |
[INFO] [stderr] 113 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::too_many_arguments)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/lib.rs:85:14
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let diag=(1..num_steps+1).map(|index|{
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^ help: use: `(1..=num_steps)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/lib.rs:129:37
[INFO] [stderr]     |
[INFO] [stderr] 129 |         let result=thomas_algorithm(diag.iter().map(|v|*v));
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `diag.iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "3d557260be100e77acd8283e3b3242b92c3936957a6ac2e66b2abe590f321539"`
[INFO] running `"docker" "rm" "-f" "3d557260be100e77acd8283e3b3242b92c3936957a6ac2e66b2abe590f321539"`
[INFO] [stdout] 3d557260be100e77acd8283e3b3242b92c3936957a6ac2e66b2abe590f321539