[INFO] cloning repository evmar/j8t
[INFO] running `"git" "clone" "--bare" "git://github.com/evmar/j8t.git" "work/cache/sources/gh/evmar/j8t"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/evmar/j8t'...
[INFO] running `"git" "clone" "work/cache/sources/gh/evmar/j8t" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/evmar/j8t"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/evmar/j8t'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/evmar/j8t" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/evmar/j8t"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/evmar/j8t'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 04705fca9ab2544d47802c0c2569992566ed8139
[INFO] sha for GitHub repo evmar/j8t: 04705fca9ab2544d47802c0c2569992566ed8139
[INFO] validating manifest of evmar/j8t on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of evmar/j8t on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing evmar/j8t
[INFO] finished frobbing evmar/j8t
[INFO] frobbed toml for evmar/j8t written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/evmar/j8t/Cargo.toml
[INFO] started frobbing evmar/j8t
[INFO] finished frobbing evmar/j8t
[INFO] frobbed toml for evmar/j8t written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/evmar/j8t/Cargo.toml
[INFO] crate evmar/j8t already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building evmar/j8t against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/evmar/j8t:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 5d35fa3b2195038b5f014e707da97ccb6b19131b944522f1a99a15f8b30ca139
[INFO] running `"docker" "start" "-a" "5d35fa3b2195038b5f014e707da97ccb6b19131b944522f1a99a15f8b30ca139"`
[INFO] [stderr]    Compiling getopts v0.2.15
[INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.15/src/lib.rs:1033:33
[INFO] [stderr]      |
[INFO] [stderr] 978  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stderr]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 982  |         state = match (state, whitespace, limit) {
[INFO] [stderr]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stderr] ...
[INFO] [stderr] 1033 |     while cont && match state { B | C => true, A => false } {
[INFO] [stderr]      |                                 ^ use of borrowed `state`
[INFO] [stderr] 1034 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stderr]      |         ------- borrow later used here
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]      = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling j8t v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lex/hand.rs:71:12
[INFO] [stderr]    |
[INFO] [stderr] 71 |         '0'...'9' => c - '0' as u8,
[INFO] [stderr]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lex/hand.rs:72:12
[INFO] [stderr]    |
[INFO] [stderr] 72 |         'A'...'F' => 10 + c - 'A' as u8,
[INFO] [stderr]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lex/hand.rs:73:12
[INFO] [stderr]    |
[INFO] [stderr] 73 |         'a'...'f' => 10 + c - 'a' as u8,
[INFO] [stderr]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex/hand.rs:104:16
[INFO] [stderr]     |
[INFO] [stderr] 104 |             '0'...'9' | '.' => {}
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex/hand.rs:130:16
[INFO] [stderr]     |
[INFO] [stderr] 130 |             'a'...'z' | 'A'...'Z' | '_' | '$' | '0'...'9' => {}
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex/hand.rs:130:28
[INFO] [stderr]     |
[INFO] [stderr] 130 |             'a'...'z' | 'A'...'Z' | '_' | '$' | '0'...'9' => {}
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex/hand.rs:130:52
[INFO] [stderr]     |
[INFO] [stderr] 130 |             'a'...'z' | 'A'...'Z' | '_' | '$' | '0'...'9' => {}
[INFO] [stderr]     |                                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex/scan.rs:298:16
[INFO] [stderr]     |
[INFO] [stderr] 298 |             '0'...'9' => {
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex/scan.rs:400:12
[INFO] [stderr]     |
[INFO] [stderr] 400 |         '0'...'9' => {
[INFO] [stderr]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex/scan.rs:405:12
[INFO] [stderr]     |
[INFO] [stderr] 405 |         'a'...'z' | 'A'...'Z' | '_' | '$' => {
[INFO] [stderr]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex/scan.rs:405:24
[INFO] [stderr]     |
[INFO] [stderr] 405 |         'a'...'z' | 'A'...'Z' | '_' | '$' => {
[INFO] [stderr]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gen.rs:72:16
[INFO] [stderr]    |
[INFO] [stderr] 72 |     w: &'a mut Write,
[INFO] [stderr]    |                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/gen.rs:109:12
[INFO] [stderr]     |
[INFO] [stderr] 109 |         'a'...'z' | 'A'...'Z' | '0'...'9' | '_' | '$' => CharClass::Letter,
[INFO] [stderr]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/gen.rs:109:24
[INFO] [stderr]     |
[INFO] [stderr] 109 |         'a'...'z' | 'A'...'Z' | '0'...'9' | '_' | '$' => CharClass::Letter,
[INFO] [stderr]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/gen.rs:109:36
[INFO] [stderr]     |
[INFO] [stderr] 109 |         'a'...'z' | 'A'...'Z' | '0'...'9' | '_' | '$' => CharClass::Letter,
[INFO] [stderr]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gen.rs:130:27
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub fn new(w: &'a mut Write) -> Writer<'a> {
[INFO] [stderr]     |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/run.rs:31:16
[INFO] [stderr]    |
[INFO] [stderr] 31 |     clock: Box<Fn() -> usize>,
[INFO] [stderr]    |                ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> usize`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/run.rs:35:45
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn new(log: bool, clock: Option<Box<Fn() -> usize>>) -> Trace {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> usize`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/run.rs:92:17
[INFO] [stderr]    |
[INFO] [stderr] 92 |     write: &mut Write,
[INFO] [stderr]    |                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:48:19
[INFO] [stderr]    |
[INFO] [stderr] 48 |     w: Option<Box<Write>>,
[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/main.rs:142:20
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let mut w: Box<Write> = if inv.fmt {
[INFO] [stderr]     |                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/genscan.rs:78:16
[INFO] [stderr]    |
[INFO] [stderr] 78 |     w: &'a mut Write,
[INFO] [stderr]    |                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.12s
[INFO] running `"docker" "inspect" "5d35fa3b2195038b5f014e707da97ccb6b19131b944522f1a99a15f8b30ca139"`
[INFO] running `"docker" "rm" "-f" "5d35fa3b2195038b5f014e707da97ccb6b19131b944522f1a99a15f8b30ca139"`
[INFO] [stdout] 5d35fa3b2195038b5f014e707da97ccb6b19131b944522f1a99a15f8b30ca139
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/evmar/j8t:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7a993ec50edd53916cb5c61ed7270fae9682972c38105cedbfffc8e7c4f03a77
[INFO] running `"docker" "start" "-a" "7a993ec50edd53916cb5c61ed7270fae9682972c38105cedbfffc8e7c4f03a77"`
[INFO] [stderr]    Compiling j8t v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:48:19
[INFO] [stderr]    |
[INFO] [stderr] 48 |     w: Option<Box<Write>>,
[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/main.rs:142:20
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let mut w: Box<Write> = if inv.fmt {
[INFO] [stderr]     |                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/genscan.rs:78:16
[INFO] [stderr]    |
[INFO] [stderr] 78 |     w: &'a mut Write,
[INFO] [stderr]    |                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lex/hand.rs:71:12
[INFO] [stderr]    |
[INFO] [stderr] 71 |         '0'...'9' => c - '0' as u8,
[INFO] [stderr]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lex/hand.rs:72:12
[INFO] [stderr]    |
[INFO] [stderr] 72 |         'A'...'F' => 10 + c - 'A' as u8,
[INFO] [stderr]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lex/hand.rs:73:12
[INFO] [stderr]    |
[INFO] [stderr] 73 |         'a'...'f' => 10 + c - 'a' as u8,
[INFO] [stderr]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex/hand.rs:104:16
[INFO] [stderr]     |
[INFO] [stderr] 104 |             '0'...'9' | '.' => {}
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex/hand.rs:130:16
[INFO] [stderr]     |
[INFO] [stderr] 130 |             'a'...'z' | 'A'...'Z' | '_' | '$' | '0'...'9' => {}
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex/hand.rs:130:28
[INFO] [stderr]     |
[INFO] [stderr] 130 |             'a'...'z' | 'A'...'Z' | '_' | '$' | '0'...'9' => {}
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex/hand.rs:130:52
[INFO] [stderr]     |
[INFO] [stderr] 130 |             'a'...'z' | 'A'...'Z' | '_' | '$' | '0'...'9' => {}
[INFO] [stderr]     |                                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex/scan.rs:298:16
[INFO] [stderr]     |
[INFO] [stderr] 298 |             '0'...'9' => {
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex/scan.rs:400:12
[INFO] [stderr]     |
[INFO] [stderr] 400 |         '0'...'9' => {
[INFO] [stderr]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex/scan.rs:405:12
[INFO] [stderr]     |
[INFO] [stderr] 405 |         'a'...'z' | 'A'...'Z' | '_' | '$' => {
[INFO] [stderr]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex/scan.rs:405:24
[INFO] [stderr]     |
[INFO] [stderr] 405 |         'a'...'z' | 'A'...'Z' | '_' | '$' => {
[INFO] [stderr]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gen.rs:72:16
[INFO] [stderr]    |
[INFO] [stderr] 72 |     w: &'a mut Write,
[INFO] [stderr]    |                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/gen.rs:109:12
[INFO] [stderr]     |
[INFO] [stderr] 109 |         'a'...'z' | 'A'...'Z' | '0'...'9' | '_' | '$' => CharClass::Letter,
[INFO] [stderr]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/gen.rs:109:24
[INFO] [stderr]     |
[INFO] [stderr] 109 |         'a'...'z' | 'A'...'Z' | '0'...'9' | '_' | '$' => CharClass::Letter,
[INFO] [stderr]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/gen.rs:109:36
[INFO] [stderr]     |
[INFO] [stderr] 109 |         'a'...'z' | 'A'...'Z' | '0'...'9' | '_' | '$' => CharClass::Letter,
[INFO] [stderr]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gen.rs:130:27
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub fn new(w: &'a mut Write) -> Writer<'a> {
[INFO] [stderr]     |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/run.rs:31:16
[INFO] [stderr]    |
[INFO] [stderr] 31 |     clock: Box<Fn() -> usize>,
[INFO] [stderr]    |                ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> usize`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/run.rs:35:45
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn new(log: bool, clock: Option<Box<Fn() -> usize>>) -> Trace {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> usize`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/run.rs:92:17
[INFO] [stderr]    |
[INFO] [stderr] 92 |     write: &mut Write,
[INFO] [stderr]    |                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.01s
[INFO] running `"docker" "inspect" "7a993ec50edd53916cb5c61ed7270fae9682972c38105cedbfffc8e7c4f03a77"`
[INFO] running `"docker" "rm" "-f" "7a993ec50edd53916cb5c61ed7270fae9682972c38105cedbfffc8e7c4f03a77"`
[INFO] [stdout] 7a993ec50edd53916cb5c61ed7270fae9682972c38105cedbfffc8e7c4f03a77