[INFO] updating cached repository srhickma/padd
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/srhickma/padd
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/srhickma/padd" "work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/srhickma/padd"`
[INFO] [stderr] Cloning into 'work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/srhickma/padd'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/srhickma/padd" "work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/srhickma/padd"`
[INFO] [stderr] Cloning into 'work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/srhickma/padd'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f15208cf9918cdea61e3b9d20d613163910b1fa5
[INFO] sha for GitHub repo srhickma/padd: f15208cf9918cdea61e3b9d20d613163910b1fa5
[INFO] validating manifest of srhickma/padd on toolchain master#7840a0b753a065a41999f1fb6028f67d33e3fdd5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of srhickma/padd on toolchain try#6a9f0b6cc40687e25f9d772e3b10bab335c63853
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing srhickma/padd
[INFO] finished frobbing srhickma/padd
[INFO] frobbed toml for srhickma/padd written to work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/srhickma/padd/Cargo.toml
[INFO] started frobbing srhickma/padd
[INFO] finished frobbing srhickma/padd
[INFO] frobbed toml for srhickma/padd written to work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/srhickma/padd/Cargo.toml
[INFO] crate srhickma/padd already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking srhickma/padd against try#6a9f0b6cc40687e25f9d772e3b10bab335c63853 for pr-60466
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60466/worker-5/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/srhickma/padd:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d96f7afc6d5ca3e902f13e86020628204e2e7099f3da6e804b52eb7cb6434daf
[INFO] running `"docker" "start" "-a" "d96f7afc6d5ca3e902f13e86020628204e2e7099f3da6e804b52eb7cb6434daf"`
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking regex-syntax v0.5.5
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking stopwatch v0.0.7
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking padd v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/core/fmt/pattern.rs:340:32
[INFO] [stderr]     |
[INFO] [stderr] 340 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn 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/core/parse/earley.rs:333:25
[INFO] [stderr]     |
[INFO] [stderr] 333 |                 edges: &Fn(usize, Node) -> Vec<Edge<'scope, Symbol>>,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, Node) -> Vec<Edge<'scope, Symbol>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/core/parse/earley.rs:334:24
[INFO] [stderr]     |
[INFO] [stderr] 334 |                 leaf: &Fn(usize, Node) -> bool,
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, Node) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/parse/mod.rs:21:52
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn def_parser<Symbol: Data + Default>() -> Box<Parser<Symbol>> {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Symbol>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/core/parse/mod.rs:110:32
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/scan/maximal_munch.rs:24:19
[INFO] [stderr]    |
[INFO] [stderr] 24 |         cdfa: &'b CDFA<State, Symbol>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CDFA<State, Symbol>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/scan/maximal_munch.rs:39:20
[INFO] [stderr]    |
[INFO] [stderr] 39 |             cdfa: &CDFA<State, Kind>,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CDFA<State, Kind>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/scan/mod.rs:21:19
[INFO] [stderr]    |
[INFO] [stderr] 21 |         cdfa: &'b CDFA<State, Kind>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CDFA<State, Kind>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/scan/mod.rs:25:54
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn def_scanner<State: Data, Kind: Data>() -> Box<Scanner<State, Kind>> {
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Scanner<State, Kind>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/scan/mod.rs:95:32
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/core/scan/mod.rs:183:32
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/spec/region.rs:33:19
[INFO] [stderr]    |
[INFO] [stderr] 33 |     handler: &mut FnMut(&Tree<Symbol>, &RegionType) -> Result<(), spec::GenError>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Tree<Symbol>, &RegionType) -> Result<(), spec::GenError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/spec/region.rs:50:19
[INFO] [stderr]    |
[INFO] [stderr] 50 |     handler: &mut FnMut(&Tree<Symbol>, &RegionType) -> Result<(), spec::GenError>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Tree<Symbol>, &RegionType) -> Result<(), spec::GenError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/spec/region.rs:70:19
[INFO] [stderr]    |
[INFO] [stderr] 70 |     handler: &mut FnMut(&Tree<Symbol>, &RegionType) -> Result<(), spec::GenError>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Tree<Symbol>, &RegionType) -> Result<(), spec::GenError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/core/spec/region.rs:108:32
[INFO] [stderr]     |
[INFO] [stderr] 108 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/spec/mod.rs:60:32
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/core/spec/mod.rs:105:32
[INFO] [stderr]     |
[INFO] [stderr] 105 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/core/data/stream.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 |     getter: &'g mut FnMut() -> Option<T>,
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> Option<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/core/data/stream.rs:9:36
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn observe(getter: &'g mut FnMut() -> Option<T>) -> StreamSource<'g, T> {
[INFO] [stderr]   |                                    ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> Option<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/core/data/stream.rs:143:25
[INFO] [stderr]     |
[INFO] [stderr] 143 |         on_consume: Box<FnMut(&LinkedList<T>) + 's>,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&LinkedList<T>) + 's`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/core/data/stream.rs:193:21
[INFO] [stderr]     |
[INFO] [stderr] 193 |     on_consume: Box<FnMut(&LinkedList<T>) + 's>,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&LinkedList<T>) + 's`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/core/data/stream.rs:201:25
[INFO] [stderr]     |
[INFO] [stderr] 201 |         on_consume: Box<FnMut(&LinkedList<T>) + 's>,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&LinkedList<T>) + 's`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:42:18
[INFO] [stderr]    |
[INFO] [stderr] 42 |     scanner: Box<Scanner<usize, String>>,
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Scanner<usize, String>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |     parser: Box<Parser<String>>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<String>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:89:32
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:125:32
[INFO] [stderr]     |
[INFO] [stderr] 125 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/core/fmt/pattern.rs:340:32
[INFO] [stderr]     |
[INFO] [stderr] 340 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn 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/core/parse/earley.rs:333:25
[INFO] [stderr]     |
[INFO] [stderr] 333 |                 edges: &Fn(usize, Node) -> Vec<Edge<'scope, Symbol>>,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, Node) -> Vec<Edge<'scope, Symbol>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/core/parse/earley.rs:334:24
[INFO] [stderr]     |
[INFO] [stderr] 334 |                 leaf: &Fn(usize, Node) -> bool,
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, Node) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/parse/mod.rs:21:52
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn def_parser<Symbol: Data + Default>() -> Box<Parser<Symbol>> {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Symbol>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/core/parse/mod.rs:110:32
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/scan/maximal_munch.rs:24:19
[INFO] [stderr]    |
[INFO] [stderr] 24 |         cdfa: &'b CDFA<State, Symbol>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CDFA<State, Symbol>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/scan/maximal_munch.rs:39:20
[INFO] [stderr]    |
[INFO] [stderr] 39 |             cdfa: &CDFA<State, Kind>,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CDFA<State, Kind>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/scan/mod.rs:21:19
[INFO] [stderr]    |
[INFO] [stderr] 21 |         cdfa: &'b CDFA<State, Kind>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CDFA<State, Kind>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/scan/mod.rs:25:54
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn def_scanner<State: Data, Kind: Data>() -> Box<Scanner<State, Kind>> {
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Scanner<State, Kind>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/scan/mod.rs:95:32
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/core/scan/mod.rs:183:32
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/spec/region.rs:33:19
[INFO] [stderr]    |
[INFO] [stderr] 33 |     handler: &mut FnMut(&Tree<Symbol>, &RegionType) -> Result<(), spec::GenError>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Tree<Symbol>, &RegionType) -> Result<(), spec::GenError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/spec/region.rs:50:19
[INFO] [stderr]    |
[INFO] [stderr] 50 |     handler: &mut FnMut(&Tree<Symbol>, &RegionType) -> Result<(), spec::GenError>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Tree<Symbol>, &RegionType) -> Result<(), spec::GenError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/spec/region.rs:70:19
[INFO] [stderr]    |
[INFO] [stderr] 70 |     handler: &mut FnMut(&Tree<Symbol>, &RegionType) -> Result<(), spec::GenError>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Tree<Symbol>, &RegionType) -> Result<(), spec::GenError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/core/spec/region.rs:108:32
[INFO] [stderr]     |
[INFO] [stderr] 108 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/spec/mod.rs:60:32
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/core/spec/mod.rs:105:32
[INFO] [stderr]     |
[INFO] [stderr] 105 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/core/data/stream.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 |     getter: &'g mut FnMut() -> Option<T>,
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> Option<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/core/data/stream.rs:9:36
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn observe(getter: &'g mut FnMut() -> Option<T>) -> StreamSource<'g, T> {
[INFO] [stderr]   |                                    ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> Option<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/core/data/stream.rs:143:25
[INFO] [stderr]     |
[INFO] [stderr] 143 |         on_consume: Box<FnMut(&LinkedList<T>) + 's>,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&LinkedList<T>) + 's`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/core/data/stream.rs:193:21
[INFO] [stderr]     |
[INFO] [stderr] 193 |     on_consume: Box<FnMut(&LinkedList<T>) + 's>,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&LinkedList<T>) + 's`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/core/data/stream.rs:201:25
[INFO] [stderr]     |
[INFO] [stderr] 201 |         on_consume: Box<FnMut(&LinkedList<T>) + 's>,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&LinkedList<T>) + 's`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:42:18
[INFO] [stderr]    |
[INFO] [stderr] 42 |     scanner: Box<Scanner<usize, String>>,
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Scanner<usize, String>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |     parser: Box<Parser<String>>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<String>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:89:32
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:125:32
[INFO] [stderr]     |
[INFO] [stderr] 125 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:174:23
[INFO] [stderr]     |
[INFO] [stderr] 174 |         let mut err: &Error = &res.err().unwrap();
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:214:23
[INFO] [stderr]     |
[INFO] [stderr] 214 |         let mut err: &Error = &res.err().unwrap();
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:250:23
[INFO] [stderr]     |
[INFO] [stderr] 250 |         let mut err: &Error = &res.err().unwrap();
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:293:23
[INFO] [stderr]     |
[INFO] [stderr] 293 |         let mut err: &Error = &res.err().unwrap();
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:326:23
[INFO] [stderr]     |
[INFO] [stderr] 326 |         let mut err: &Error = &res.err().unwrap();
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:370:23
[INFO] [stderr]     |
[INFO] [stderr] 370 |         let mut err: &Error = &res.err().unwrap();
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:415:23
[INFO] [stderr]     |
[INFO] [stderr] 415 |         let mut err: &Error = &res.err().unwrap();
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:461:23
[INFO] [stderr]     |
[INFO] [stderr] 461 |         let mut err: &Error = &res.err().unwrap();
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:506:23
[INFO] [stderr]     |
[INFO] [stderr] 506 |         let mut err: &Error = &res.err().unwrap();
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:544:23
[INFO] [stderr]     |
[INFO] [stderr] 544 |         let mut err: &Error = &res.err().unwrap();
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:583:23
[INFO] [stderr]     |
[INFO] [stderr] 583 |         let mut err: &Error = &res.err().unwrap();
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:623:23
[INFO] [stderr]     |
[INFO] [stderr] 623 |         let mut err: &Error = &res.err().unwrap();
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:671:23
[INFO] [stderr]     |
[INFO] [stderr] 671 |         let mut err: &Error = &res.err().unwrap();
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:719:23
[INFO] [stderr]     |
[INFO] [stderr] 719 |         let mut err: &Error = &res.err().unwrap();
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:760:23
[INFO] [stderr]     |
[INFO] [stderr] 760 |         let mut err: &Error = &res.err().unwrap();
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:802:23
[INFO] [stderr]     |
[INFO] [stderr] 802 |         let mut err: &Error = &res.err().unwrap();
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:852:23
[INFO] [stderr]     |
[INFO] [stderr] 852 |         let mut err: &Error = &res.err().unwrap();
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:180:19
[INFO] [stderr]     |
[INFO] [stderr] 180 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:186:21
[INFO] [stderr]     |
[INFO] [stderr] 186 |         assert!(err.cause().is_none());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:220:19
[INFO] [stderr]     |
[INFO] [stderr] 220 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:226:21
[INFO] [stderr]     |
[INFO] [stderr] 226 |         assert!(err.cause().is_none());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:257:19
[INFO] [stderr]     |
[INFO] [stderr] 257 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:263:19
[INFO] [stderr]     |
[INFO] [stderr] 263 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:269:21
[INFO] [stderr]     |
[INFO] [stderr] 269 |         assert!(err.cause().is_none());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:300:19
[INFO] [stderr]     |
[INFO] [stderr] 300 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:306:19
[INFO] [stderr]     |
[INFO] [stderr] 306 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:312:21
[INFO] [stderr]     |
[INFO] [stderr] 312 |         assert!(err.cause().is_none());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:332:19
[INFO] [stderr]     |
[INFO] [stderr] 332 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:338:19
[INFO] [stderr]     |
[INFO] [stderr] 338 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:344:21
[INFO] [stderr]     |
[INFO] [stderr] 344 |         assert!(err.cause().is_none());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:377:19
[INFO] [stderr]     |
[INFO] [stderr] 377 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:383:19
[INFO] [stderr]     |
[INFO] [stderr] 383 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:389:21
[INFO] [stderr]     |
[INFO] [stderr] 389 |         assert!(err.cause().is_none());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:422:19
[INFO] [stderr]     |
[INFO] [stderr] 422 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:429:19
[INFO] [stderr]     |
[INFO] [stderr] 429 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:435:21
[INFO] [stderr]     |
[INFO] [stderr] 435 |         assert!(err.cause().is_none());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:468:19
[INFO] [stderr]     |
[INFO] [stderr] 468 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:475:19
[INFO] [stderr]     |
[INFO] [stderr] 475 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:481:21
[INFO] [stderr]     |
[INFO] [stderr] 481 |         assert!(err.cause().is_none());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:513:19
[INFO] [stderr]     |
[INFO] [stderr] 513 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:519:21
[INFO] [stderr]     |
[INFO] [stderr] 519 |         assert!(err.cause().is_none());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:551:19
[INFO] [stderr]     |
[INFO] [stderr] 551 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:557:21
[INFO] [stderr]     |
[INFO] [stderr] 557 |         assert!(err.cause().is_none());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:590:19
[INFO] [stderr]     |
[INFO] [stderr] 590 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:597:21
[INFO] [stderr]     |
[INFO] [stderr] 597 |         assert!(err.cause().is_none());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:630:19
[INFO] [stderr]     |
[INFO] [stderr] 630 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:637:19
[INFO] [stderr]     |
[INFO] [stderr] 637 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:644:21
[INFO] [stderr]     |
[INFO] [stderr] 644 |         assert!(err.cause().is_none());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:678:19
[INFO] [stderr]     |
[INFO] [stderr] 678 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:685:19
[INFO] [stderr]     |
[INFO] [stderr] 685 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:692:21
[INFO] [stderr]     |
[INFO] [stderr] 692 |         assert!(err.cause().is_none());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:726:19
[INFO] [stderr]     |
[INFO] [stderr] 726 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:733:19
[INFO] [stderr]     |
[INFO] [stderr] 733 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:740:21
[INFO] [stderr]     |
[INFO] [stderr] 740 |         assert!(err.cause().is_none());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:766:19
[INFO] [stderr]     |
[INFO] [stderr] 766 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:772:19
[INFO] [stderr]     |
[INFO] [stderr] 772 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:778:21
[INFO] [stderr]     |
[INFO] [stderr] 778 |         assert!(err.cause().is_none());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:809:19
[INFO] [stderr]     |
[INFO] [stderr] 809 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:816:19
[INFO] [stderr]     |
[INFO] [stderr] 816 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:822:19
[INFO] [stderr]     |
[INFO] [stderr] 822 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:828:21
[INFO] [stderr]     |
[INFO] [stderr] 828 |         assert!(err.cause().is_none());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:859:19
[INFO] [stderr]     |
[INFO] [stderr] 859 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:866:19
[INFO] [stderr]     |
[INFO] [stderr] 866 |         err = err.cause().unwrap();
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:873:21
[INFO] [stderr]     |
[INFO] [stderr] 873 |         assert!(err.cause().is_none());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/scope.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 |             let mut output_file = File::create(&file_path);
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cli/thread_pool.rs:70:32
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/cli/mod.rs:18:22
[INFO] [stderr]    |
[INFO] [stderr] 18 |             atomic::{ATOMIC_USIZE_INIT, AtomicUsize, Ordering},
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/cli/mod.rs:41:33
[INFO] [stderr]    |
[INFO] [stderr] 41 | static FORMATTED: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/cli/mod.rs:42:30
[INFO] [stderr]    |
[INFO] [stderr] 42 | static FAILED: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/cli/mod.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 | static TOTAL: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cli/thread_pool.rs:70:32
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/cli/mod.rs:18:22
[INFO] [stderr]    |
[INFO] [stderr] 18 |             atomic::{ATOMIC_USIZE_INIT, AtomicUsize, Ordering},
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/cli/mod.rs:41:33
[INFO] [stderr]    |
[INFO] [stderr] 41 | static FORMATTED: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/cli/mod.rs:42:30
[INFO] [stderr]    |
[INFO] [stderr] 42 | static FAILED: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/cli/mod.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 | static TOTAL: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/cli/thread_pool.rs:415:21
[INFO] [stderr]     |
[INFO] [stderr] 415 |         assert!(err.cause().is_none());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/cli/thread_pool.rs:435:21
[INFO] [stderr]     |
[INFO] [stderr] 435 |         assert!(err.cause().is_none());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.57s
[INFO] running `"docker" "inspect" "d96f7afc6d5ca3e902f13e86020628204e2e7099f3da6e804b52eb7cb6434daf"`
[INFO] running `"docker" "rm" "-f" "d96f7afc6d5ca3e902f13e86020628204e2e7099f3da6e804b52eb7cb6434daf"`
[INFO] [stdout] d96f7afc6d5ca3e902f13e86020628204e2e7099f3da6e804b52eb7cb6434daf