[INFO] cloning repository https://github.com/oeb25/cdm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oeb25/cdm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foeb25%2Fcdm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foeb25%2Fcdm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2bba5d91e7430b9e9a439d03ebf5f23ebbd537ec
[INFO] building oeb25/cdm against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foeb25%2Fcdm" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/oeb25/cdm
[INFO] finished tweaking git repo https://github.com/oeb25/cdm
[INFO] tweaked toml for git repo https://github.com/oeb25/cdm written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/oeb25/cdm on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/oeb25/cdm 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33cf47a2e35692b6a9c47744d28923b1d66c41ee01cb9188c038a02b4b8c7532
[INFO] running `Command { std: "docker" "start" "-a" "33cf47a2e35692b6a9c47744d28923b1d66c41ee01cb9188c038a02b4b8c7532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33cf47a2e35692b6a9c47744d28923b1d66c41ee01cb9188c038a02b4b8c7532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33cf47a2e35692b6a9c47744d28923b1d66c41ee01cb9188c038a02b4b8c7532", kill_on_drop: false }`
[INFO] [stdout] 33cf47a2e35692b6a9c47744d28923b1d66c41ee01cb9188c038a02b4b8c7532
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3cebc57a465cc50835a6655eff51b4101c630453004a4034d64521038614897
[INFO] running `Command { std: "docker" "start" "-a" "f3cebc57a465cc50835a6655eff51b4101c630453004a4034d64521038614897", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling rustversion v1.0.9
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling strum v0.24.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.8.5
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling crossterm v0.25.0
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling tracing-subscriber v0.3.16
[INFO] [stderr]    Compiling comfy-table v6.1.2
[INFO] [stderr]    Compiling cdm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Div`, `Mul`, and `Rem`
[INFO] [stdout]  --> src/gaussian_integers.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use derive_more::{Add, Div, From, Into, Mul, Neg, Rem, Sub};
[INFO] [stdout]   |                        ^^^              ^^^       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rational`, `multivariate_polynomials::MultivariatePolynomial`, and `rationals::rational`
[INFO] [stdout]   --> src/mono.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  8 |     multivariate_polynomials::MultivariatePolynomial,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  9 |     num_to_superscript,
[INFO] [stdout] 10 |     rationals::rational,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     Group, Natural, Rational, Ring,
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/mono.rs:348:13
[INFO] [stdout]     |
[INFO] [stdout] 348 |         let l = format!("{:?}", self);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/mono.rs:349:13
[INFO] [stdout]     |
[INFO] [stdout] 349 |         let r = format!("{:?}", rhs);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/ch21.rs:171:57
[INFO] [stdout]     |
[INFO] [stdout] 171 |                 .chain(self.fs.iter().enumerate().map(|(i, f)| format!("{f:?}")))
[INFO] [stdout]     |                                                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/gaussian_integers.rs:104:18
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn rem(self, rhs: Self) -> Self::Output {
[INFO] [stdout]     |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/dft.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |         for i in 1..u128::from(n) {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `v`, `set_f`, and `f` are never used
[INFO] [stdout]   --> src/newton_interpolation.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | / impl<'a, F> NewtonInterpolation<'a, F>
[INFO] [stdout] 16 | | where
[INFO] [stdout] 17 | |     F: Field + Hash + Eq + Debug,
[INFO] [stdout]    | |_________________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |       fn v(&self, i: usize) -> F {
[INFO] [stdout]    |          ^
[INFO] [stdout] ...
[INFO] [stdout] 25 |       fn set_f(&mut self, i: usize, j: usize, e: F) {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |       fn f(&mut self, i: usize, j: usize) -> F {
[INFO] [stdout]    |          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `newton` is never used
[INFO] [stdout]    --> src/newton_interpolation.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn newton<F, Map>(samples: &[F], map: Map) -> Polynomial<F>
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `newton_slice` is never used
[INFO] [stdout]    --> src/newton_interpolation.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn newton_slice<F, Map>(samples: &[F], offset: usize, map: Map) -> Polynomial<F>
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/polynomials.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |         assert!(m >= 0);
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/latex.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             write!(f, "0");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let _ = write!(f, "0");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/latex.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             write!(f, "1");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let _ = write!(f, "1");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |         write!(buf, "\\begin{{array}}{{r");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let _ = write!(buf, "\\begin{{array}}{{r");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |             write!(buf, "|r");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 121 |             let _ = write!(buf, "|r");
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |         writeln!(buf, "|l}}");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let _ = writeln!(buf, "|l}}");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         write!(buf, "\\multicolumn{{1}}{{c}}{{p}}");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let _ = write!(buf, "\\multicolumn{{1}}{{c}}{{p}}");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:127:13
[INFO] [stdout]     |
[INFO] [stdout] 127 |             write!(buf, "& \\multicolumn{{1}}{{|c}}{{q_{i}}}");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 127 |             let _ = write!(buf, "& \\multicolumn{{1}}{{|c}}{{q_{i}}}");
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         write!(buf, "& \\multicolumn{{1}}{{|c}}{{r}}");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let _ = write!(buf, "& \\multicolumn{{1}}{{|c}}{{r}}");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         writeln!(buf, "\\\\ \\hline");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let _ = writeln!(buf, "\\\\ \\hline");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |             write!(buf, "{}", e[0].to_latex());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let _ = write!(buf, "{}", e[0].to_latex());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 write!(buf, "& {}", p.to_latex());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 let _ = write!(buf, "& {}", p.to_latex());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |             writeln!(buf, " \\\\ \\hline");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let _ = writeln!(buf, " \\\\ \\hline");
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |         writeln!(buf, "\\end{{array}}");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let _ = writeln!(buf, "\\end{{array}}");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/latex.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 | /             write!(
[INFO] [stdout] 52 | |                 f,
[INFO] [stdout] 53 | |                 "{}{}",
[INFO] [stdout] 54 | |                 if Identity::<Multiplication>::is_identity(self.coef()) {
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | |                     .format("")
[INFO] [stdout] 76 | |             );
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let _ = write!(
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PLex`
[INFO] [stdout]  --> src/bin/old_exam.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 |     mono::{plex, MonomialOrder, PLex},
[INFO] [stdout]   |                                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `table`
[INFO] [stdout]    --> src/main.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let table = multivariate_division_with_remainder(&s12, &fs);
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_table`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exercise_8_10` is never used
[INFO] [stdout]   --> src/main.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn exercise_8_10() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_exam` is never used
[INFO] [stdout]   --> src/main.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn test_exam() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `home_work2` is never used
[INFO] [stdout]   --> src/main.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn home_work2() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `question_4` is never used
[INFO] [stdout]    --> src/bin/old_exam.rs:139:4
[INFO] [stdout]     |
[INFO] [stdout] 139 | fn question_4() {}
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.30s
[INFO] running `Command { std: "docker" "inspect" "f3cebc57a465cc50835a6655eff51b4101c630453004a4034d64521038614897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3cebc57a465cc50835a6655eff51b4101c630453004a4034d64521038614897", kill_on_drop: false }`
[INFO] [stdout] f3cebc57a465cc50835a6655eff51b4101c630453004a4034d64521038614897
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 333b63e2b553f2fb0b2abf53a744720c1ac30867234c66e8cc1981fcdb3d9eb5
[INFO] running `Command { std: "docker" "start" "-a" "333b63e2b553f2fb0b2abf53a744720c1ac30867234c66e8cc1981fcdb3d9eb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stdout] warning: unused imports: `Div`, `Mul`, and `Rem`
[INFO] [stdout]  --> src/gaussian_integers.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use derive_more::{Add, Div, From, Into, Mul, Neg, Rem, Sub};
[INFO] [stdout]   |                        ^^^              ^^^       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rational`, `multivariate_polynomials::MultivariatePolynomial`, and `rationals::rational`
[INFO] [stdout]   --> src/mono.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  8 |     multivariate_polynomials::MultivariatePolynomial,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  9 |     num_to_superscript,
[INFO] [stdout] 10 |     rationals::rational,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     Group, Natural, Rational, Ring,
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/mono.rs:348:13
[INFO] [stdout]     |
[INFO] [stdout] 348 |         let l = format!("{:?}", self);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/mono.rs:349:13
[INFO] [stdout]     |
[INFO] [stdout] 349 |         let r = format!("{:?}", rhs);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/ch21.rs:171:57
[INFO] [stdout]     |
[INFO] [stdout] 171 |                 .chain(self.fs.iter().enumerate().map(|(i, f)| format!("{f:?}")))
[INFO] [stdout]     |                                                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/gaussian_integers.rs:104:18
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn rem(self, rhs: Self) -> Self::Output {
[INFO] [stdout]     |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/dft.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |         for i in 1..u128::from(n) {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `v`, `set_f`, and `f` are never used
[INFO] [stdout]   --> src/newton_interpolation.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | / impl<'a, F> NewtonInterpolation<'a, F>
[INFO] [stdout] 16 | | where
[INFO] [stdout] 17 | |     F: Field + Hash + Eq + Debug,
[INFO] [stdout]    | |_________________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |       fn v(&self, i: usize) -> F {
[INFO] [stdout]    |          ^
[INFO] [stdout] ...
[INFO] [stdout] 25 |       fn set_f(&mut self, i: usize, j: usize, e: F) {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |       fn f(&mut self, i: usize, j: usize) -> F {
[INFO] [stdout]    |          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `newton` is never used
[INFO] [stdout]    --> src/newton_interpolation.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn newton<F, Map>(samples: &[F], map: Map) -> Polynomial<F>
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `newton_slice` is never used
[INFO] [stdout]    --> src/newton_interpolation.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn newton_slice<F, Map>(samples: &[F], offset: usize, map: Map) -> Polynomial<F>
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/polynomials.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |         assert!(m >= 0);
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/latex.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             write!(f, "0");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let _ = write!(f, "0");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/latex.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             write!(f, "1");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let _ = write!(f, "1");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |         write!(buf, "\\begin{{array}}{{r");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let _ = write!(buf, "\\begin{{array}}{{r");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |             write!(buf, "|r");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 121 |             let _ = write!(buf, "|r");
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |         writeln!(buf, "|l}}");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let _ = writeln!(buf, "|l}}");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         write!(buf, "\\multicolumn{{1}}{{c}}{{p}}");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let _ = write!(buf, "\\multicolumn{{1}}{{c}}{{p}}");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:127:13
[INFO] [stdout]     |
[INFO] [stdout] 127 |             write!(buf, "& \\multicolumn{{1}}{{|c}}{{q_{i}}}");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 127 |             let _ = write!(buf, "& \\multicolumn{{1}}{{|c}}{{q_{i}}}");
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         write!(buf, "& \\multicolumn{{1}}{{|c}}{{r}}");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let _ = write!(buf, "& \\multicolumn{{1}}{{|c}}{{r}}");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         writeln!(buf, "\\\\ \\hline");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let _ = writeln!(buf, "\\\\ \\hline");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |             write!(buf, "{}", e[0].to_latex());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let _ = write!(buf, "{}", e[0].to_latex());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 write!(buf, "& {}", p.to_latex());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 let _ = write!(buf, "& {}", p.to_latex());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |             writeln!(buf, " \\\\ \\hline");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let _ = writeln!(buf, " \\\\ \\hline");
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |         writeln!(buf, "\\end{{array}}");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let _ = writeln!(buf, "\\end{{array}}");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/latex.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 | /             write!(
[INFO] [stdout] 52 | |                 f,
[INFO] [stdout] 53 | |                 "{}{}",
[INFO] [stdout] 54 | |                 if Identity::<Multiplication>::is_identity(self.coef()) {
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | |                     .format("")
[INFO] [stdout] 76 | |             );
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let _ = write!(
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling proptest v1.0.0
[INFO] [stderr]    Compiling cdm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `table`
[INFO] [stdout]    --> src/main.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let table = multivariate_division_with_remainder(&s12, &fs);
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_table`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exercise_8_10` is never used
[INFO] [stdout]   --> src/main.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn exercise_8_10() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_exam` is never used
[INFO] [stdout]   --> src/main.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn test_exam() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `home_work2` is never used
[INFO] [stdout]   --> src/main.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn home_work2() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PLex`
[INFO] [stdout]  --> src/bin/old_exam.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 |     mono::{plex, MonomialOrder, PLex},
[INFO] [stdout]   |                                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `question_4` is never used
[INFO] [stdout]    --> src/bin/old_exam.rs:139:4
[INFO] [stdout]     |
[INFO] [stdout] 139 | fn question_4() {}
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Div`, `Mul`, and `Rem`
[INFO] [stdout]  --> src/gaussian_integers.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use derive_more::{Add, Div, From, Into, Mul, Neg, Rem, Sub};
[INFO] [stdout]   |                        ^^^              ^^^       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `polynomials::Polynomial`
[INFO] [stdout]    --> src/newton_interpolation.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         polynomials::Polynomial,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `newton_slice` and `newton`
[INFO] [stdout]    --> src/newton_interpolation.rs:161:17
[INFO] [stdout]     |
[INFO] [stdout] 161 |     use super::{newton, newton_slice, NewtonInterpolation, NewtonInterpolationError};
[INFO] [stdout]     |                 ^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ops`
[INFO] [stdout]    --> src/newton_interpolation.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let ops = count_ops::get_counts();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_ops`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ops`
[INFO] [stdout]    --> src/newton_interpolation.rs:254:17
[INFO] [stdout]     |
[INFO] [stdout] 254 |             let ops = count_ops::get_counts();
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/dft.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |         for i in 1..u128::from(n) {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/dft.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let res = super::fft(2, f, PrimitiveRootOfUnity::new(4, 2u128.into()).unwrap());
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/ch21.rs:171:57
[INFO] [stdout]     |
[INFO] [stdout] 171 |                 .chain(self.fs.iter().enumerate().map(|(i, f)| format!("{f:?}")))
[INFO] [stdout]     |                                                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/mono.rs:348:13
[INFO] [stdout]     |
[INFO] [stdout] 348 |         let l = format!("{:?}", self);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/mono.rs:349:13
[INFO] [stdout]     |
[INFO] [stdout] 349 |         let r = format!("{:?}", rhs);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/gaussian_integers.rs:104:18
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn rem(self, rhs: Self) -> Self::Output {
[INFO] [stdout]     |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `v`, `set_f`, and `f` are never used
[INFO] [stdout]   --> src/newton_interpolation.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | / impl<'a, F> NewtonInterpolation<'a, F>
[INFO] [stdout] 16 | | where
[INFO] [stdout] 17 | |     F: Field + Hash + Eq + Debug,
[INFO] [stdout]    | |_________________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |       fn v(&self, i: usize) -> F {
[INFO] [stdout]    |          ^
[INFO] [stdout] ...
[INFO] [stdout] 25 |       fn set_f(&mut self, i: usize, j: usize, e: F) {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |       fn f(&mut self, i: usize, j: usize) -> F {
[INFO] [stdout]    |          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `newton` is never used
[INFO] [stdout]    --> src/newton_interpolation.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn newton<F, Map>(samples: &[F], map: Map) -> Polynomial<F>
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `newton_slice` is never used
[INFO] [stdout]    --> src/newton_interpolation.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn newton_slice<F, Map>(samples: &[F], offset: usize, map: Map) -> Polynomial<F>
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/polynomials.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |         assert!(m >= 0);
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |         write!(buf, "\\begin{{array}}{{r");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let _ = write!(buf, "\\begin{{array}}{{r");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/latex.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             write!(f, "0");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let _ = write!(f, "0");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |             write!(buf, "|r");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 121 |             let _ = write!(buf, "|r");
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |         writeln!(buf, "|l}}");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let _ = writeln!(buf, "|l}}");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         write!(buf, "\\multicolumn{{1}}{{c}}{{p}}");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let _ = write!(buf, "\\multicolumn{{1}}{{c}}{{p}}");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/latex.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             write!(f, "1");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let _ = write!(f, "1");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:127:13
[INFO] [stdout]     |
[INFO] [stdout] 127 |             write!(buf, "& \\multicolumn{{1}}{{|c}}{{q_{i}}}");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 127 |             let _ = write!(buf, "& \\multicolumn{{1}}{{|c}}{{q_{i}}}");
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         write!(buf, "& \\multicolumn{{1}}{{|c}}{{r}}");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let _ = write!(buf, "& \\multicolumn{{1}}{{|c}}{{r}}");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/latex.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 | /             write!(
[INFO] [stdout] 52 | |                 f,
[INFO] [stdout] 53 | |                 "{}{}",
[INFO] [stdout] 54 | |                 if Identity::<Multiplication>::is_identity(self.coef()) {
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | |                     .format("")
[INFO] [stdout] 76 | |             );
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let _ = write!(
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         writeln!(buf, "\\\\ \\hline");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let _ = writeln!(buf, "\\\\ \\hline");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |             write!(buf, "{}", e[0].to_latex());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let _ = write!(buf, "{}", e[0].to_latex());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 write!(buf, "& {}", p.to_latex());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 let _ = write!(buf, "& {}", p.to_latex());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |             writeln!(buf, " \\\\ \\hline");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let _ = writeln!(buf, " \\\\ \\hline");
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ch21.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |         writeln!(buf, "\\end{{array}}");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let _ = writeln!(buf, "\\end{{array}}");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.19s
[INFO] running `Command { std: "docker" "inspect" "333b63e2b553f2fb0b2abf53a744720c1ac30867234c66e8cc1981fcdb3d9eb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "333b63e2b553f2fb0b2abf53a744720c1ac30867234c66e8cc1981fcdb3d9eb5", kill_on_drop: false }`
[INFO] [stdout] 333b63e2b553f2fb0b2abf53a744720c1ac30867234c66e8cc1981fcdb3d9eb5
