[INFO] crate reform 0.1.0 is already in cache
[INFO] extracting crate reform 0.1.0 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/reform/0.1.0
[INFO] extracting crate reform 0.1.0 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/reform/0.1.0
[INFO] validating manifest of reform-0.1.0 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of reform-0.1.0 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing reform-0.1.0
[INFO] finished frobbing reform-0.1.0
[INFO] frobbed toml for reform-0.1.0 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/reform/0.1.0/Cargo.toml
[INFO] started frobbing reform-0.1.0
[INFO] finished frobbing reform-0.1.0
[INFO] frobbed toml for reform-0.1.0 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/reform/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking reform-0.1.0 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/reform/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 835efd7856dadfd6c5d52907c0a58db53ffa96a317a2fde8082deb95b1938b26
[INFO] running `"docker" "start" "-a" "835efd7856dadfd6c5d52907c0a58db53ffa96a317a2fde8082deb95b1938b26"`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling rug v1.5.2
[INFO] [stderr]     Checking fastdivide v0.2.0
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.1.14
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking ndarray v0.12.1
[INFO] [stderr]     Checking crossbeam v0.4.1
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking reform v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poly/polynomial.rs:440:42
[INFO] [stderr]     |
[INFO] [stderr] 440 |     pub fn serialize(&self, buffer: &mut Write) -> usize {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poly/polynomial.rs:452:37
[INFO] [stderr]     |
[INFO] [stderr] 452 |     pub fn deserialize(buffer: &mut Read) -> Result<Polynomial, Error> {
[INFO] [stderr]     |                                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/serialize.rs:79:30
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn read(buffer: &mut Read) -> Result<SerializedTerm, Error> {
[INFO] [stderr]    |                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/serialize.rs:89:50
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn serialize_list(args: &[Element], buffer: &mut Write) -> usize {
[INFO] [stderr]    |                                                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/serialize.rs:98:34
[INFO] [stderr]    |
[INFO] [stderr] 98 | fn deserialize_list(buffer: &mut Read) -> Vec<Element> {
[INFO] [stderr]    |                                  ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/serialize.rs:107:48
[INFO] [stderr]     |
[INFO] [stderr] 107 | fn serialize_integer(i: &Integer, buffer: &mut Write) -> usize {
[INFO] [stderr]     |                                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/serialize.rs:130:37
[INFO] [stderr]     |
[INFO] [stderr] 130 | fn deserialize_integer(buffer: &mut Read) -> Result<Integer, Error> {
[INFO] [stderr]     |                                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/serialize.rs:162:42
[INFO] [stderr]     |
[INFO] [stderr] 162 |     pub fn serialize(&self, buffer: &mut Write) -> usize {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/serialize.rs:187:37
[INFO] [stderr]     |
[INFO] [stderr] 187 |     pub fn deserialize(buffer: &mut Read) -> Result<Number, Error> {
[INFO] [stderr]     |                                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/serialize.rs:213:42
[INFO] [stderr]     |
[INFO] [stderr] 213 |     pub fn serialize(&self, buffer: &mut Write) -> usize {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/serialize.rs:232:37
[INFO] [stderr]     |
[INFO] [stderr] 232 |     pub fn deserialize(buffer: &mut Read) -> Result<MultivariatePolynomial<Number, u32>, Error> {
[INFO] [stderr]     |                                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/serialize.rs:259:42
[INFO] [stderr]     |
[INFO] [stderr] 259 |     pub fn serialize(&self, buffer: &mut Write) -> usize {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/serialize.rs:300:37
[INFO] [stderr]     |
[INFO] [stderr] 300 |     pub fn deserialize(buffer: &mut Read) -> Result<Element, Error> {
[INFO] [stderr]     |                                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poly/polynomial.rs:440:42
[INFO] [stderr]     |
[INFO] [stderr] 440 |     pub fn serialize(&self, buffer: &mut Write) -> usize {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poly/polynomial.rs:452:37
[INFO] [stderr]     |
[INFO] [stderr] 452 |     pub fn deserialize(buffer: &mut Read) -> Result<Polynomial, Error> {
[INFO] [stderr]     |                                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/serialize.rs:79:30
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn read(buffer: &mut Read) -> Result<SerializedTerm, Error> {
[INFO] [stderr]    |                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/serialize.rs:89:50
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn serialize_list(args: &[Element], buffer: &mut Write) -> usize {
[INFO] [stderr]    |                                                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/serialize.rs:98:34
[INFO] [stderr]    |
[INFO] [stderr] 98 | fn deserialize_list(buffer: &mut Read) -> Vec<Element> {
[INFO] [stderr]    |                                  ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/serialize.rs:107:48
[INFO] [stderr]     |
[INFO] [stderr] 107 | fn serialize_integer(i: &Integer, buffer: &mut Write) -> usize {
[INFO] [stderr]     |                                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/serialize.rs:130:37
[INFO] [stderr]     |
[INFO] [stderr] 130 | fn deserialize_integer(buffer: &mut Read) -> Result<Integer, Error> {
[INFO] [stderr]     |                                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/serialize.rs:162:42
[INFO] [stderr]     |
[INFO] [stderr] 162 |     pub fn serialize(&self, buffer: &mut Write) -> usize {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/serialize.rs:187:37
[INFO] [stderr]     |
[INFO] [stderr] 187 |     pub fn deserialize(buffer: &mut Read) -> Result<Number, Error> {
[INFO] [stderr]     |                                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/serialize.rs:213:42
[INFO] [stderr]     |
[INFO] [stderr] 213 |     pub fn serialize(&self, buffer: &mut Write) -> usize {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/serialize.rs:232:37
[INFO] [stderr]     |
[INFO] [stderr] 232 |     pub fn deserialize(buffer: &mut Read) -> Result<MultivariatePolynomial<Number, u32>, Error> {
[INFO] [stderr]     |                                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/serialize.rs:259:42
[INFO] [stderr]     |
[INFO] [stderr] 259 |     pub fn serialize(&self, buffer: &mut Write) -> usize {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/serialize.rs:300:37
[INFO] [stderr]     |
[INFO] [stderr] 300 |     pub fn deserialize(buffer: &mut Read) -> Result<Element, Error> {
[INFO] [stderr]     |                                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/structure.rs:277:31
[INFO] [stderr]     |
[INFO] [stderr] 277 |                 Entry::Vacant(mut a) => {
[INFO] [stderr]     |                               ----^
[INFO] [stderr]     |                               |
[INFO] [stderr]     |                               help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/structure.rs:277:31
[INFO] [stderr]     |
[INFO] [stderr] 277 |                 Entry::Vacant(mut a) => {
[INFO] [stderr]     |                               ----^
[INFO] [stderr]     |                               |
[INFO] [stderr]     |                               help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/module.rs:331:25
[INFO] [stderr]     |
[INFO] [stderr] 331 |                     let mut i = mem::replace(input, Element::default());
[INFO] [stderr]     |                         ----^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/module.rs:669:21
[INFO] [stderr]     |
[INFO] [stderr] 669 |                 let mut dp = local_var_info
[INFO] [stderr]     |                     ----^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/module.rs:858:25
[INFO] [stderr]     |
[INFO] [stderr] 858 |                     let mut dollar = mem::replace(
[INFO] [stderr]     |                         ----^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/module.rs:331:25
[INFO] [stderr]     |
[INFO] [stderr] 331 |                     let mut i = mem::replace(input, Element::default());
[INFO] [stderr]     |                         ----^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/module.rs:669:21
[INFO] [stderr]     |
[INFO] [stderr] 669 |                 let mut dp = local_var_info
[INFO] [stderr]     |                     ----^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/module.rs:858:25
[INFO] [stderr]     |
[INFO] [stderr] 858 |                     let mut dollar = mem::replace(
[INFO] [stderr]     |                         ----^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/module.rs:1328:21
[INFO] [stderr]      |
[INFO] [stderr] 1328 |                 let mut output_mutarc = Arc::new(Mutex::new(output));
[INFO] [stderr]      |                     ----^^^^^^^^^^^^^
[INFO] [stderr]      |                     |
[INFO] [stderr]      |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/module.rs:1492:52
[INFO] [stderr]      |
[INFO] [stderr] 1492 |                 Statement::NewFunction(name, args, mut e) => {
[INFO] [stderr]      |                                                    ----^
[INFO] [stderr]      |                                                    |
[INFO] [stderr]      |                                                    help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/module.rs:1508:29
[INFO] [stderr]      |
[INFO] [stderr] 1508 |                         let mut dp = self
[INFO] [stderr]      |                             ----^^
[INFO] [stderr]      |                             |
[INFO] [stderr]      |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/module.rs:1534:33
[INFO] [stderr]      |
[INFO] [stderr] 1534 |                             let mut dollar = mem::replace(
[INFO] [stderr]      |                                 ----^^^^^^
[INFO] [stderr]      |                                 |
[INFO] [stderr]      |                                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/normalize.rs:178:29
[INFO] [stderr]     |
[INFO] [stderr] 178 |                         let mut ar = Polynomial::from(&a[0]);
[INFO] [stderr]     |                             ----^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/normalize.rs:179:29
[INFO] [stderr]     |
[INFO] [stderr] 179 |                         let mut br = Polynomial::from(&a[1]);
[INFO] [stderr]     |                             ----^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/module.rs:1328:21
[INFO] [stderr]      |
[INFO] [stderr] 1328 |                 let mut output_mutarc = Arc::new(Mutex::new(output));
[INFO] [stderr]      |                     ----^^^^^^^^^^^^^
[INFO] [stderr]      |                     |
[INFO] [stderr]      |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/module.rs:1492:52
[INFO] [stderr]      |
[INFO] [stderr] 1492 |                 Statement::NewFunction(name, args, mut e) => {
[INFO] [stderr]      |                                                    ----^
[INFO] [stderr]      |                                                    |
[INFO] [stderr]      |                                                    help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/module.rs:1508:29
[INFO] [stderr]      |
[INFO] [stderr] 1508 |                         let mut dp = self
[INFO] [stderr]      |                             ----^^
[INFO] [stderr]      |                             |
[INFO] [stderr]      |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/module.rs:1534:33
[INFO] [stderr]      |
[INFO] [stderr] 1534 |                             let mut dollar = mem::replace(
[INFO] [stderr]      |                                 ----^^^^^^
[INFO] [stderr]      |                                 |
[INFO] [stderr]      |                                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/normalize.rs:178:29
[INFO] [stderr]     |
[INFO] [stderr] 178 |                         let mut ar = Polynomial::from(&a[0]);
[INFO] [stderr]     |                             ----^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/normalize.rs:179:29
[INFO] [stderr]     |
[INFO] [stderr] 179 |                         let mut br = Polynomial::from(&a[1]);
[INFO] [stderr]     |                             ----^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/mod.rs:154:17
[INFO] [stderr]     |
[INFO] [stderr] 154 |             let mut ee = p.into_span().as_str().to_string();
[INFO] [stderr]     |                 ----^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/mod.rs:154:17
[INFO] [stderr]     |
[INFO] [stderr] 154 |             let mut ee = p.into_span().as_str().to_string();
[INFO] [stderr]     |                 ----^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/mod.rs:409:17
[INFO] [stderr]     |
[INFO] [stderr] 409 |             let mut d = parse_dollar(r.next().unwrap());
[INFO] [stderr]     |                 ----^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/mod.rs:433:17
[INFO] [stderr]     |
[INFO] [stderr] 433 |             let mut d = parse_dollar(r.next().unwrap());
[INFO] [stderr]     |                 ----^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/mod.rs:447:17
[INFO] [stderr]     |
[INFO] [stderr] 447 |             let mut m = parse_expr(r.next().unwrap());
[INFO] [stderr]     |                 ----^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/mod.rs:409:17
[INFO] [stderr]     |
[INFO] [stderr] 409 |             let mut d = parse_dollar(r.next().unwrap());
[INFO] [stderr]     |                 ----^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/mod.rs:433:17
[INFO] [stderr]     |
[INFO] [stderr] 433 |             let mut d = parse_dollar(r.next().unwrap());
[INFO] [stderr]     |                 ----^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/mod.rs:447:17
[INFO] [stderr]     |
[INFO] [stderr] 447 |             let mut m = parse_expr(r.next().unwrap());
[INFO] [stderr]     |                 ----^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/poly/polynomial.rs:46:35
[INFO] [stderr]    |
[INFO] [stderr] 46 |                     Entry::Vacant(mut v) => {
[INFO] [stderr]    |                                   ----^
[INFO] [stderr]    |                                   |
[INFO] [stderr]    |                                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/poly/polynomial.rs:66:47
[INFO] [stderr]    |
[INFO] [stderr] 66 |                                 Entry::Vacant(mut v) => {
[INFO] [stderr]    |                                               ----^
[INFO] [stderr]    |                                               |
[INFO] [stderr]    |                                               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/poly/polynomial.rs:127:21
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 let mut exp = vec![e as u32];
[INFO] [stderr]     |                     ----^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/poly/polynomial.rs:152:21
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 let mut poly = MultivariatePolynomial::from_monomial(c, exp);
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/poly/polynomial.rs:212:31
[INFO] [stderr]     |
[INFO] [stderr] 212 |                 Entry::Vacant(mut v) => {
[INFO] [stderr]     |                               ----^
[INFO] [stderr]     |                               |
[INFO] [stderr]     |                               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/poly/polynomial.rs:46:35
[INFO] [stderr]    |
[INFO] [stderr] 46 |                     Entry::Vacant(mut v) => {
[INFO] [stderr]    |                                   ----^
[INFO] [stderr]    |                                   |
[INFO] [stderr]    |                                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/poly/polynomial.rs:66:47
[INFO] [stderr]    |
[INFO] [stderr] 66 |                                 Entry::Vacant(mut v) => {
[INFO] [stderr]    |                                               ----^
[INFO] [stderr]    |                                               |
[INFO] [stderr]    |                                               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/poly/polynomial.rs:127:21
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 let mut exp = vec![e as u32];
[INFO] [stderr]     |                     ----^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/poly/polynomial.rs:152:21
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 let mut poly = MultivariatePolynomial::from_monomial(c, exp);
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/poly/polynomial.rs:212:31
[INFO] [stderr]     |
[INFO] [stderr] 212 |                 Entry::Vacant(mut v) => {
[INFO] [stderr]     |                               ----^
[INFO] [stderr]     |                               |
[INFO] [stderr]     |                               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/poly/raw/gcd.rs:729:31
[INFO] [stderr]     |
[INFO] [stderr] 729 |                 Entry::Vacant(mut e) => {
[INFO] [stderr]     |                               ----^
[INFO] [stderr]     |                               |
[INFO] [stderr]     |                               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/poly/raw/gcd.rs:729:31
[INFO] [stderr]     |
[INFO] [stderr] 729 |                 Entry::Vacant(mut e) => {
[INFO] [stderr]     |                               ----^
[INFO] [stderr]     |                               |
[INFO] [stderr]     |                               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/poly/raw/gcd.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                     let mut vvars = vars
[INFO] [stderr]      |                         ----^^^^^
[INFO] [stderr]      |                         |
[INFO] [stderr]      |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/poly/raw/gcd.rs:1660:25
[INFO] [stderr]      |
[INFO] [stderr] 1660 |                     let mut gmc = &mut gm.coefficients[t];
[INFO] [stderr]      |                         ----^^^
[INFO] [stderr]      |                         |
[INFO] [stderr]      |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/poly/raw/gcd.rs:1661:25
[INFO] [stderr]      |
[INFO] [stderr] 1661 |                     let mut coeff = if *gmc < Number::SmallInt(0) {
[INFO] [stderr]      |                         ----^^^^^
[INFO] [stderr]      |                         |
[INFO] [stderr]      |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/poly/raw/gcd.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                     let mut vvars = vars
[INFO] [stderr]      |                         ----^^^^^
[INFO] [stderr]      |                         |
[INFO] [stderr]      |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/poly/raw/gcd.rs:1660:25
[INFO] [stderr]      |
[INFO] [stderr] 1660 |                     let mut gmc = &mut gm.coefficients[t];
[INFO] [stderr]      |                         ----^^^
[INFO] [stderr]      |                         |
[INFO] [stderr]      |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/poly/raw/gcd.rs:1661:25
[INFO] [stderr]      |
[INFO] [stderr] 1661 |                     let mut coeff = if *gmc < Number::SmallInt(0) {
[INFO] [stderr]      |                         ----^^^^^
[INFO] [stderr]      |                         |
[INFO] [stderr]      |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/poly/raw/multivar.rs:930:17
[INFO] [stderr]     |
[INFO] [stderr] 930 |             let mut c = self.coefficients[t].clone() * v.clone().pow(self.exponents(t)[n].as_());
[INFO] [stderr]     |                 ----^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/poly/raw/multivar.rs:973:31
[INFO] [stderr]     |
[INFO] [stderr] 973 |                 Entry::Vacant(mut e) => {
[INFO] [stderr]     |                               ----^
[INFO] [stderr]     |                               |
[INFO] [stderr]     |                               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/poly/raw/multivar.rs:930:17
[INFO] [stderr]     |
[INFO] [stderr] 930 |             let mut c = self.coefficients[t].clone() * v.clone().pow(self.exponents(t)[n].as_());
[INFO] [stderr]     |                 ----^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/poly/raw/multivar.rs:973:31
[INFO] [stderr]     |
[INFO] [stderr] 973 |                 Entry::Vacant(mut e) => {
[INFO] [stderr]     |                               ----^
[INFO] [stderr]     |                               |
[INFO] [stderr]     |                               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `Replaced` should have an upper case name
[INFO] [stderr]    --> src/structure.rs:528:15
[INFO] [stderr]     |
[INFO] [stderr] 528 |         const Replaced = 1; // variable substituted
[INFO] [stderr]     |               ^^^^^^^^ help: convert the identifier to upper case: `REPLACED`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `Partially_Updated` should have an upper case name
[INFO] [stderr]    --> src/structure.rs:529:15
[INFO] [stderr]     |
[INFO] [stderr] 529 |         const Partially_Updated = 2; // dollar variable index was updated
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `PARTIALLY_UPDATED`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `NotReplaced` should have an upper case name
[INFO] [stderr]    --> src/structure.rs:530:15
[INFO] [stderr]     |
[INFO] [stderr] 530 |         const NotReplaced = 4; // variable could not be substituted
[INFO] [stderr]     |               ^^^^^^^^^^^ help: convert the identifier to upper case: `NOT_REPLACED`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `Replaced` should have an upper case name
[INFO] [stderr]    --> src/structure.rs:528:15
[INFO] [stderr]     |
[INFO] [stderr] 528 |         const Replaced = 1; // variable substituted
[INFO] [stderr]     |               ^^^^^^^^ help: convert the identifier to upper case: `REPLACED`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `Replaced` should have an upper case name
[INFO] [stderr]    --> src/structure.rs:528:15
[INFO] [stderr]     |
[INFO] [stderr] 528 |         const Replaced = 1; // variable substituted
[INFO] [stderr]     |               ^^^^^^^^ help: convert the identifier to upper case: `REPLACED`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `Partially_Updated` should have an upper case name
[INFO] [stderr]    --> src/structure.rs:529:15
[INFO] [stderr]     |
[INFO] [stderr] 529 |         const Partially_Updated = 2; // dollar variable index was updated
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `PARTIALLY_UPDATED`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `NotReplaced` should have an upper case name
[INFO] [stderr]    --> src/structure.rs:530:15
[INFO] [stderr]     |
[INFO] [stderr] 530 |         const NotReplaced = 4; // variable could not be substituted
[INFO] [stderr]     |               ^^^^^^^^^^^ help: convert the identifier to upper case: `NOT_REPLACED`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `Replaced` should have an upper case name
[INFO] [stderr]    --> src/structure.rs:528:15
[INFO] [stderr]     |
[INFO] [stderr] 528 |         const Replaced = 1; // variable substituted
[INFO] [stderr]     |               ^^^^^^^^ help: convert the identifier to upper case: `REPLACED`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:16:29
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:16:29
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 52s
[INFO] running `"docker" "inspect" "835efd7856dadfd6c5d52907c0a58db53ffa96a317a2fde8082deb95b1938b26"`
[INFO] running `"docker" "rm" "-f" "835efd7856dadfd6c5d52907c0a58db53ffa96a317a2fde8082deb95b1938b26"`
[INFO] [stdout] 835efd7856dadfd6c5d52907c0a58db53ffa96a317a2fde8082deb95b1938b26