[INFO] fetching crate reform 0.1.0...
[INFO] checking reform-0.1.0 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate reform 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate reform 0.1.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3918425b09cc1d563dc53fa82ca26f78b6e2f965d179a8af68467cdd40ebedaa
[INFO] running `Command { std: "docker" "start" "-a" "3918425b09cc1d563dc53fa82ca26f78b6e2f965d179a8af68467cdd40ebedaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3918425b09cc1d563dc53fa82ca26f78b6e2f965d179a8af68467cdd40ebedaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3918425b09cc1d563dc53fa82ca26f78b6e2f965d179a8af68467cdd40ebedaa", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ee9383c1ff0160bf3e90bf20743d8c0efee7ae170e23b425faa4917bccea00f
[INFO] running `Command { std: "docker" "start" "-a" "4ee9383c1ff0160bf3e90bf20743d8c0efee7ae170e23b425faa4917bccea00f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling maybe-uninit v2.0.0
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[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling rug v1.24.0
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[INFO] [stderr]    Compiling ndarray v0.12.1
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[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking crossbeam v0.4.1
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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/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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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: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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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] 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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: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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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]     |                                                        ^^^^^^^^^^^^^^^ method not found in `&Integer`
[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]     |                                                        ^^^^^^^^^^^^^^^ method not found in `&Box<Rational>`
[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]     |                                                        ^^^^^^^^^^^^^^^ method not found in `&Integer`
[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]     |                                                        ^^^^^^^^^^^^^^^ method not found in `&Box<Rational>`
[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] 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] error: aborting due to 3 previous errors; 18 warnings emitted
[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] [stderr] error: could not compile `reform` (lib) due to 4 previous errors; 18 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors; 18 warnings emitted
[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] [stderr] error: could not compile `reform` (lib test) due to 4 previous errors; 18 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4ee9383c1ff0160bf3e90bf20743d8c0efee7ae170e23b425faa4917bccea00f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ee9383c1ff0160bf3e90bf20743d8c0efee7ae170e23b425faa4917bccea00f", kill_on_drop: false }`
[INFO] [stdout] 4ee9383c1ff0160bf3e90bf20743d8c0efee7ae170e23b425faa4917bccea00f
[INFO] checking reform-0.1.0 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate reform 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate reform 0.1.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0363bd844257db0c5cdb3bb5a129b41d55978ecd8ac66e9d12cec8b8476cb83a
[INFO] running `Command { std: "docker" "start" "-a" "0363bd844257db0c5cdb3bb5a129b41d55978ecd8ac66e9d12cec8b8476cb83a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0363bd844257db0c5cdb3bb5a129b41d55978ecd8ac66e9d12cec8b8476cb83a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0363bd844257db0c5cdb3bb5a129b41d55978ecd8ac66e9d12cec8b8476cb83a", kill_on_drop: false }`
[INFO] [stdout] 0363bd844257db0c5cdb3bb5a129b41d55978ecd8ac66e9d12cec8b8476cb83a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dunexpected_cfgs" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] f17dd6eba0a8f28354c9566a11b580743fd78401575b653b3edd8da9cdcca9ff
[INFO] running `Command { std: "docker" "start" "-a" "f17dd6eba0a8f28354c9566a11b580743fd78401575b653b3edd8da9cdcca9ff", kill_on_drop: false }`
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.2
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling rug v1.24.0
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crossbeam-deque v0.5.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking fastdivide v0.2.0
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]     Checking crossbeam v0.4.1
[INFO] [stderr]     Checking chrono v0.4.33
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking env_logger v0.5.13
[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/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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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: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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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] 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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: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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: 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]     |                                                        ^^^^^^^^^^^^^^^ method not found in `&Integer`
[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]     |                                                        ^^^^^^^^^^^^^^^ method not found in `&Integer`
[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]     |                                                        ^^^^^^^^^^^^^^^ method not found in `&Box<Rational>`
[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]     |                                                        ^^^^^^^^^^^^^^^ method not found in `&Box<Rational>`
[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] 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] error: aborting due to 3 previous errors; 18 warnings emitted
[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] [stderr] error: could not compile `reform` (lib) due to 4 previous errors; 18 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors; 18 warnings emitted
[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] [stderr] error: could not compile `reform` (lib test) due to 4 previous errors; 18 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f17dd6eba0a8f28354c9566a11b580743fd78401575b653b3edd8da9cdcca9ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f17dd6eba0a8f28354c9566a11b580743fd78401575b653b3edd8da9cdcca9ff", kill_on_drop: false }`
[INFO] [stdout] f17dd6eba0a8f28354c9566a11b580743fd78401575b653b3edd8da9cdcca9ff
