[INFO] fetching crate reform 0.1.0...
[INFO] checking reform-0.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate reform 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate reform 0.1.0
[INFO] finished tweaking crates.io crate reform 0.1.0
[INFO] tweaked toml for crates.io crate reform 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate reform 0.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 124 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.9.3)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.45)
[INFO] [stderr]       Adding cpuprofiler v0.0.3 (available: v0.0.4)
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[INFO] [stderr]       Adding fastdivide v0.2.0 (available: v0.4.2)
[INFO] [stderr]       Adding itertools v0.7.11 (available: v0.14.0)
[INFO] [stderr]       Adding ndarray v0.12.1 (available: v0.16.1)
[INFO] [stderr]       Adding pest v1.0.6 (available: v2.8.1)
[INFO] [stderr]       Adding pest_derive v1.0.8 (available: v2.8.1)
[INFO] [stderr]       Adding rand v0.5.6 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af8d6b7fdfb9cce399840aed8cf8132d3cc62c6303b96164b27c912477dab06f
[INFO] running `Command { std: "docker" "start" "-a" "af8d6b7fdfb9cce399840aed8cf8132d3cc62c6303b96164b27c912477dab06f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af8d6b7fdfb9cce399840aed8cf8132d3cc62c6303b96164b27c912477dab06f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af8d6b7fdfb9cce399840aed8cf8132d3cc62c6303b96164b27c912477dab06f", kill_on_drop: false }`
[INFO] [stdout] af8d6b7fdfb9cce399840aed8cf8132d3cc62c6303b96164b27c912477dab06f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9e729af50f3733097e8bff376e710dc808b05966a6d7e4d9b0dda68d703ea5b
[INFO] running `Command { std: "docker" "start" "-a" "e9e729af50f3733097e8bff376e710dc808b05966a6d7e4d9b0dda68d703ea5b", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.175
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[INFO] [stderr]    Compiling num-traits v0.2.19
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[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling pest_derive v1.0.8
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[INFO] [stderr]     Checking regex-automata v0.4.10
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[INFO] [stderr]     Checking reform v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]    --> src/module.rs:232:74
[INFO] [stdout]     |
[INFO] [stdout] 232 |                         MatchOpt::Single(x) => StatementResult::Executed({ x.clone() }), // FIXME: it is not always executed!
[INFO] [stdout]     |                                                                          ^^         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 232 -                         MatchOpt::Single(x) => StatementResult::Executed({ x.clone() }), // FIXME: it is not always executed!
[INFO] [stdout] 232 +                         MatchOpt::Single(x) => StatementResult::Executed(x.clone()), // FIXME: it is not always executed!
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]    --> src/module.rs:233:79
[INFO] [stdout]     |
[INFO] [stdout] 233 |                         MatchOpt::SingleOwned(x) => StatementResult::Executed({ x }),
[INFO] [stdout]     |                                                                               ^^ ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 233 -                         MatchOpt::SingleOwned(x) => StatementResult::Executed({ x }),
[INFO] [stdout] 233 +                         MatchOpt::SingleOwned(x) => StatementResult::Executed(x),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/parser/mod.rs:774:16
[INFO] [stdout]     |
[INFO] [stdout] 774 |     type Err = (String);
[INFO] [stdout]     |                ^      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 774 -     type Err = (String);
[INFO] [stdout] 774 +     type Err = String;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/parser/mod.rs:783:16
[INFO] [stdout]     |
[INFO] [stdout] 783 |     type Err = (String);
[INFO] [stdout]     |                ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 783 -     type Err = (String);
[INFO] [stdout] 783 +     type Err = String;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/poly/ring.rs:17:26
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn from_finite_field(&FiniteField) -> Self;
[INFO] [stdout]    |                          ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &FiniteField`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]    --> src/module.rs:232:74
[INFO] [stdout]     |
[INFO] [stdout] 232 |                         MatchOpt::Single(x) => StatementResult::Executed({ x.clone() }), // FIXME: it is not always executed!
[INFO] [stdout]     |                                                                          ^^         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 232 -                         MatchOpt::Single(x) => StatementResult::Executed({ x.clone() }), // FIXME: it is not always executed!
[INFO] [stdout] 232 +                         MatchOpt::Single(x) => StatementResult::Executed(x.clone()), // FIXME: it is not always executed!
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]    --> src/module.rs:233:79
[INFO] [stdout]     |
[INFO] [stdout] 233 |                         MatchOpt::SingleOwned(x) => StatementResult::Executed({ x }),
[INFO] [stdout]     |                                                                               ^^ ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 233 -                         MatchOpt::SingleOwned(x) => StatementResult::Executed({ x }),
[INFO] [stdout] 233 +                         MatchOpt::SingleOwned(x) => StatementResult::Executed(x),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/parser/mod.rs:774:16
[INFO] [stdout]     |
[INFO] [stdout] 774 |     type Err = (String);
[INFO] [stdout]     |                ^      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 774 -     type Err = (String);
[INFO] [stdout] 774 +     type Err = String;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/parser/mod.rs:783:16
[INFO] [stdout]     |
[INFO] [stdout] 783 |     type Err = (String);
[INFO] [stdout]     |                ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 783 -     type Err = (String);
[INFO] [stdout] 783 +     type Err = String;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/poly/ring.rs:17:26
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn from_finite_field(&FiniteField) -> Self;
[INFO] [stdout]    |                          ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &FiniteField`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serialize.rs:89:50
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn serialize_list(args: &[Element], buffer: &mut Write) -> usize {
[INFO] [stdout]    |                                                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn serialize_list(args: &[Element], buffer: &mut dyn Write) -> usize {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serialize.rs:98:34
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn deserialize_list(buffer: &mut Read) -> Vec<Element> {
[INFO] [stdout]    |                                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn deserialize_list(buffer: &mut dyn Read) -> Vec<Element> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serialize.rs:107:48
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn serialize_integer(i: &Integer, buffer: &mut Write) -> usize {
[INFO] [stdout]     |                                                ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn serialize_integer(i: &Integer, buffer: &mut dyn Write) -> usize {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serialize.rs:130:37
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn deserialize_integer(buffer: &mut Read) -> Result<Integer, Error> {
[INFO] [stdout]     |                                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn deserialize_integer(buffer: &mut dyn Read) -> Result<Integer, Error> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/poly/polynomial.rs:440:42
[INFO] [stdout]     |
[INFO] [stdout] 440 |     pub fn serialize(&self, buffer: &mut Write) -> usize {
[INFO] [stdout]     |                                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 440 |     pub fn serialize(&self, buffer: &mut dyn Write) -> usize {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/poly/polynomial.rs:452:37
[INFO] [stdout]     |
[INFO] [stdout] 452 |     pub fn deserialize(buffer: &mut Read) -> Result<Polynomial, Error> {
[INFO] [stdout]     |                                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 452 |     pub fn deserialize(buffer: &mut dyn Read) -> Result<Polynomial, Error> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serialize.rs:79:30
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn read(buffer: &mut Read) -> Result<SerializedTerm, Error> {
[INFO] [stdout]    |                              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn read(buffer: &mut dyn Read) -> Result<SerializedTerm, Error> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serialize.rs:162:42
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn serialize(&self, buffer: &mut Write) -> usize {
[INFO] [stdout]     |                                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn serialize(&self, buffer: &mut dyn Write) -> usize {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serialize.rs:187:37
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn deserialize(buffer: &mut Read) -> Result<Number, Error> {
[INFO] [stdout]     |                                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn deserialize(buffer: &mut dyn Read) -> Result<Number, Error> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serialize.rs:213:42
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn serialize(&self, buffer: &mut Write) -> usize {
[INFO] [stdout]     |                                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn serialize(&self, buffer: &mut dyn Write) -> usize {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serialize.rs:232:37
[INFO] [stdout]     |
[INFO] [stdout] 232 |     pub fn deserialize(buffer: &mut Read) -> Result<MultivariatePolynomial<Number, u32>, Error> {
[INFO] [stdout]     |                                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 232 |     pub fn deserialize(buffer: &mut dyn Read) -> Result<MultivariatePolynomial<Number, u32>, Error> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serialize.rs:259:42
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub fn serialize(&self, buffer: &mut Write) -> usize {
[INFO] [stdout]     |                                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub fn serialize(&self, buffer: &mut dyn Write) -> usize {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serialize.rs:300:37
[INFO] [stdout]     |
[INFO] [stdout] 300 |     pub fn deserialize(buffer: &mut Read) -> Result<Element, Error> {
[INFO] [stdout]     |                                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 300 |     pub fn deserialize(buffer: &mut dyn Read) -> Result<Element, Error> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_string_radix` found for reference `&rug::Integer` in the current scope
[INFO] [stdout]    --> src/number.rs:158:56
[INFO] [stdout]     |
[INFO] [stdout] 158 |             Number::BigInt(ref i) => write!(f, "{}", i.to_string_radix(10)),
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `to_string` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/alloc/src/string.rs:2795:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_string_radix` found for reference `&Box<Rational>` in the current scope
[INFO] [stdout]    --> src/number.rs:159:56
[INFO] [stdout]     |
[INFO] [stdout] 159 |             Number::BigRat(ref r) => write!(f, "{}", r.to_string_radix(10)),
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `to_string` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/alloc/src/string.rs:2795:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serialize.rs:89:50
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn serialize_list(args: &[Element], buffer: &mut Write) -> usize {
[INFO] [stdout]    |                                                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn serialize_list(args: &[Element], buffer: &mut dyn Write) -> usize {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serialize.rs:98:34
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn deserialize_list(buffer: &mut Read) -> Vec<Element> {
[INFO] [stdout]    |                                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn deserialize_list(buffer: &mut dyn Read) -> Vec<Element> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serialize.rs:107:48
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn serialize_integer(i: &Integer, buffer: &mut Write) -> usize {
[INFO] [stdout]     |                                                ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn serialize_integer(i: &Integer, buffer: &mut dyn Write) -> usize {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serialize.rs:130:37
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn deserialize_integer(buffer: &mut Read) -> Result<Integer, Error> {
[INFO] [stdout]     |                                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn deserialize_integer(buffer: &mut dyn Read) -> Result<Integer, Error> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/poly/polynomial.rs:440:42
[INFO] [stdout]     |
[INFO] [stdout] 440 |     pub fn serialize(&self, buffer: &mut Write) -> usize {
[INFO] [stdout]     |                                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 440 |     pub fn serialize(&self, buffer: &mut dyn Write) -> usize {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/poly/polynomial.rs:452:37
[INFO] [stdout]     |
[INFO] [stdout] 452 |     pub fn deserialize(buffer: &mut Read) -> Result<Polynomial, Error> {
[INFO] [stdout]     |                                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 452 |     pub fn deserialize(buffer: &mut dyn Read) -> Result<Polynomial, Error> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serialize.rs:79:30
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn read(buffer: &mut Read) -> Result<SerializedTerm, Error> {
[INFO] [stdout]    |                              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn read(buffer: &mut dyn Read) -> Result<SerializedTerm, Error> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serialize.rs:162:42
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn serialize(&self, buffer: &mut Write) -> usize {
[INFO] [stdout]     |                                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn serialize(&self, buffer: &mut dyn Write) -> usize {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serialize.rs:187:37
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn deserialize(buffer: &mut Read) -> Result<Number, Error> {
[INFO] [stdout]     |                                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn deserialize(buffer: &mut dyn Read) -> Result<Number, Error> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serialize.rs:213:42
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn serialize(&self, buffer: &mut Write) -> usize {
[INFO] [stdout]     |                                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn serialize(&self, buffer: &mut dyn Write) -> usize {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serialize.rs:232:37
[INFO] [stdout]     |
[INFO] [stdout] 232 |     pub fn deserialize(buffer: &mut Read) -> Result<MultivariatePolynomial<Number, u32>, Error> {
[INFO] [stdout]     |                                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 232 |     pub fn deserialize(buffer: &mut dyn Read) -> Result<MultivariatePolynomial<Number, u32>, Error> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serialize.rs:259:42
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub fn serialize(&self, buffer: &mut Write) -> usize {
[INFO] [stdout]     |                                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub fn serialize(&self, buffer: &mut dyn Write) -> usize {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serialize.rs:300:37
[INFO] [stdout]     |
[INFO] [stdout] 300 |     pub fn deserialize(buffer: &mut Read) -> Result<Element, Error> {
[INFO] [stdout]     |                                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 300 |     pub fn deserialize(buffer: &mut dyn Read) -> Result<Element, Error> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_string_radix` found for reference `&rug::Integer` in the current scope
[INFO] [stdout]    --> src/number.rs:158:56
[INFO] [stdout]     |
[INFO] [stdout] 158 |             Number::BigInt(ref i) => write!(f, "{}", i.to_string_radix(10)),
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `to_string` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/alloc/src/string.rs:2795:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_string_radix` found for reference `&Box<Rational>` in the current scope
[INFO] [stdout]    --> src/number.rs:159:56
[INFO] [stdout]     |
[INFO] [stdout] 159 |             Number::BigRat(ref r) => write!(f, "{}", r.to_string_radix(10)),
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `to_string` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/alloc/src/string.rs:2795:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/serialize.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 137 |         d: 0 as *mut u64,
[INFO] [stdout]     |            ^^^^^^^^^^^^^ expected `NonNull<u64>`, found `*mut u64`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected struct `NonNull<u64>`
[INFO] [stdout]             found raw pointer `*mut u64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/structure.rs:277:31
[INFO] [stdout]     |
[INFO] [stdout] 277 |                 Entry::Vacant(mut a) => {
[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] error[E0308]: mismatched types
[INFO] [stdout]    --> src/serialize.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 137 |         d: 0 as *mut u64,
[INFO] [stdout]     |            ^^^^^^^^^^^^^ expected `NonNull<u64>`, found `*mut u64`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected struct `NonNull<u64>`
[INFO] [stdout]             found raw pointer `*mut u64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/structure.rs:277:31
[INFO] [stdout]     |
[INFO] [stdout] 277 |                 Entry::Vacant(mut a) => {
[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/module.rs:331:25
[INFO] [stdout]     |
[INFO] [stdout] 331 |                     let mut i = mem::replace(input, Element::default());
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/module.rs:669:21
[INFO] [stdout]     |
[INFO] [stdout] 669 |                 let mut dp = local_var_info
[INFO] [stdout]     |                     ----^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/module.rs:858:25
[INFO] [stdout]     |
[INFO] [stdout] 858 |                     let mut dollar = mem::replace(
[INFO] [stdout]     |                         ----^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/module.rs:1328:21
[INFO] [stdout]      |
[INFO] [stdout] 1328 |                 let mut output_mutarc = Arc::new(Mutex::new(output));
[INFO] [stdout]      |                     ----^^^^^^^^^^^^^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/module.rs:1492:52
[INFO] [stdout]      |
[INFO] [stdout] 1492 |                 Statement::NewFunction(name, args, mut e) => {
[INFO] [stdout]      |                                                    ----^
[INFO] [stdout]      |                                                    |
[INFO] [stdout]      |                                                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/module.rs:1508:29
[INFO] [stdout]      |
[INFO] [stdout] 1508 |                         let mut dp = self
[INFO] [stdout]      |                             ----^^
[INFO] [stdout]      |                             |
[INFO] [stdout]      |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/module.rs:1534:33
[INFO] [stdout]      |
[INFO] [stdout] 1534 | ...                   let mut dollar = mem::replace(
[INFO] [stdout]      |                           ----^^^^^^
[INFO] [stdout]      |                           |
[INFO] [stdout]      |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/normalize.rs:178:29
[INFO] [stdout]     |
[INFO] [stdout] 178 |                         let mut ar = Polynomial::from(&a[0]);
[INFO] [stdout]     |                             ----^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/normalize.rs:179:29
[INFO] [stdout]     |
[INFO] [stdout] 179 |                         let mut br = Polynomial::from(&a[1]);
[INFO] [stdout]     |                             ----^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/module.rs:331:25
[INFO] [stdout]     |
[INFO] [stdout] 331 |                     let mut i = mem::replace(input, Element::default());
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/module.rs:669:21
[INFO] [stdout]     |
[INFO] [stdout] 669 |                 let mut dp = local_var_info
[INFO] [stdout]     |                     ----^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/module.rs:858:25
[INFO] [stdout]     |
[INFO] [stdout] 858 |                     let mut dollar = mem::replace(
[INFO] [stdout]     |                         ----^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/module.rs:1328:21
[INFO] [stdout]      |
[INFO] [stdout] 1328 |                 let mut output_mutarc = Arc::new(Mutex::new(output));
[INFO] [stdout]      |                     ----^^^^^^^^^^^^^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/module.rs:1492:52
[INFO] [stdout]      |
[INFO] [stdout] 1492 |                 Statement::NewFunction(name, args, mut e) => {
[INFO] [stdout]      |                                                    ----^
[INFO] [stdout]      |                                                    |
[INFO] [stdout]      |                                                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/module.rs:1508:29
[INFO] [stdout]      |
[INFO] [stdout] 1508 |                         let mut dp = self
[INFO] [stdout]      |                             ----^^
[INFO] [stdout]      |                             |
[INFO] [stdout]      |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/module.rs:1534:33
[INFO] [stdout]      |
[INFO] [stdout] 1534 | ...                   let mut dollar = mem::replace(
[INFO] [stdout]      |                           ----^^^^^^
[INFO] [stdout]      |                           |
[INFO] [stdout]      |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/normalize.rs:178:29
[INFO] [stdout]     |
[INFO] [stdout] 178 |                         let mut ar = Polynomial::from(&a[0]);
[INFO] [stdout]     |                             ----^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/normalize.rs:179:29
[INFO] [stdout]     |
[INFO] [stdout] 179 |                         let mut br = Polynomial::from(&a[1]);
[INFO] [stdout]     |                             ----^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/mod.rs:154:17
[INFO] [stdout]     |
[INFO] [stdout] 154 |             let mut ee = p.into_span().as_str().to_string();
[INFO] [stdout]     |                 ----^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/mod.rs:409:17
[INFO] [stdout]     |
[INFO] [stdout] 409 |             let mut d = parse_dollar(r.next().unwrap());
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/mod.rs:433:17
[INFO] [stdout]     |
[INFO] [stdout] 433 |             let mut d = parse_dollar(r.next().unwrap());
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/mod.rs:447:17
[INFO] [stdout]     |
[INFO] [stdout] 447 |             let mut m = parse_expr(r.next().unwrap());
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/poly/polynomial.rs:46:35
[INFO] [stdout]    |
[INFO] [stdout] 46 |                     Entry::Vacant(mut v) => {
[INFO] [stdout]    |                                   ----^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/poly/polynomial.rs:66:47
[INFO] [stdout]    |
[INFO] [stdout] 66 | ...                   Entry::Vacant(mut v) => {
[INFO] [stdout]    |                                     ----^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/poly/polynomial.rs:127:21
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 let mut exp = vec![e as u32];
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/poly/polynomial.rs:152:21
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 let mut poly = MultivariatePolynomial::from_monomial(c, exp);
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/poly/polynomial.rs:212:31
[INFO] [stdout]     |
[INFO] [stdout] 212 |                 Entry::Vacant(mut v) => {
[INFO] [stdout]     |                               ----^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/mod.rs:154:17
[INFO] [stdout]     |
[INFO] [stdout] 154 |             let mut ee = p.into_span().as_str().to_string();
[INFO] [stdout]     |                 ----^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/mod.rs:409:17
[INFO] [stdout]     |
[INFO] [stdout] 409 |             let mut d = parse_dollar(r.next().unwrap());
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/mod.rs:433:17
[INFO] [stdout]     |
[INFO] [stdout] 433 |             let mut d = parse_dollar(r.next().unwrap());
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/mod.rs:447:17
[INFO] [stdout]     |
[INFO] [stdout] 447 |             let mut m = parse_expr(r.next().unwrap());
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/poly/polynomial.rs:46:35
[INFO] [stdout]    |
[INFO] [stdout] 46 |                     Entry::Vacant(mut v) => {
[INFO] [stdout]    |                                   ----^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/poly/polynomial.rs:66:47
[INFO] [stdout]    |
[INFO] [stdout] 66 | ...                   Entry::Vacant(mut v) => {
[INFO] [stdout]    |                                     ----^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/poly/polynomial.rs:127:21
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 let mut exp = vec![e as u32];
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/poly/polynomial.rs:152:21
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 let mut poly = MultivariatePolynomial::from_monomial(c, exp);
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/poly/raw/gcd.rs:729:31
[INFO] [stdout]     |
[INFO] [stdout] 729 |                 Entry::Vacant(mut e) => {
[INFO] [stdout]     |                               ----^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/poly/polynomial.rs:212:31
[INFO] [stdout]     |
[INFO] [stdout] 212 |                 Entry::Vacant(mut v) => {
[INFO] [stdout]     |                               ----^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/poly/raw/gcd.rs:1348:25
[INFO] [stdout]      |
[INFO] [stdout] 1348 |                     let mut vvars = vars
[INFO] [stdout]      |                         ----^^^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/poly/raw/gcd.rs:729:31
[INFO] [stdout]     |
[INFO] [stdout] 729 |                 Entry::Vacant(mut e) => {
[INFO] [stdout]     |                               ----^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/poly/raw/gcd.rs:1660:25
[INFO] [stdout]      |
[INFO] [stdout] 1660 |                     let mut gmc = &mut gm.coefficients[t];
[INFO] [stdout]      |                         ----^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/poly/raw/gcd.rs:1661:25
[INFO] [stdout]      |
[INFO] [stdout] 1661 |                     let mut coeff = if *gmc < Number::SmallInt(0) {
[INFO] [stdout]      |                         ----^^^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/poly/raw/gcd.rs:1348:25
[INFO] [stdout]      |
[INFO] [stdout] 1348 |                     let mut vvars = vars
[INFO] [stdout]      |                         ----^^^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/poly/raw/gcd.rs:1660:25
[INFO] [stdout]      |
[INFO] [stdout] 1660 |                     let mut gmc = &mut gm.coefficients[t];
[INFO] [stdout]      |                         ----^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/poly/raw/gcd.rs:1661:25
[INFO] [stdout]      |
[INFO] [stdout] 1661 |                     let mut coeff = if *gmc < Number::SmallInt(0) {
[INFO] [stdout]      |                         ----^^^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/poly/raw/multivar.rs:930:17
[INFO] [stdout]     |
[INFO] [stdout] 930 |             let mut c = self.coefficients[t].clone() * v.clone().pow(self.exponents(t)[n].as_());
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/poly/raw/multivar.rs:973:31
[INFO] [stdout]     |
[INFO] [stdout] 973 |                 Entry::Vacant(mut e) => {
[INFO] [stdout]     |                               ----^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/poly/raw/multivar.rs:930:17
[INFO] [stdout]     |
[INFO] [stdout] 930 |             let mut c = self.coefficients[t].clone() * v.clone().pow(self.exponents(t)[n].as_());
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/poly/raw/multivar.rs:973:31
[INFO] [stdout]     |
[INFO] [stdout] 973 |                 Entry::Vacant(mut e) => {
[INFO] [stdout]     |                               ----^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `reform` (lib) due to 3 previous errors; 43 warnings emitted
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `reform` (lib test) due to 3 previous errors; 43 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e9e729af50f3733097e8bff376e710dc808b05966a6d7e4d9b0dda68d703ea5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9e729af50f3733097e8bff376e710dc808b05966a6d7e4d9b0dda68d703ea5b", kill_on_drop: false }`
[INFO] [stdout] e9e729af50f3733097e8bff376e710dc808b05966a6d7e4d9b0dda68d703ea5b