[INFO] fetching crate varlink 8.1.0...
[INFO] extracting crate varlink 8.1.0 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/varlink/8.1.0
[INFO] extracting crate varlink 8.1.0 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/varlink/8.1.0
[INFO] validating manifest of varlink-8.1.0 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of varlink-8.1.0 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing varlink-8.1.0
[INFO] finished frobbing varlink-8.1.0
[INFO] frobbed toml for varlink-8.1.0 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/varlink/8.1.0/Cargo.toml
[INFO] started frobbing varlink-8.1.0
[INFO] finished frobbing varlink-8.1.0
[INFO] frobbed toml for varlink-8.1.0 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/varlink/8.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking varlink-8.1.0 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-7/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/varlink/8.1.0:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] deae5ddc98fbc2e2ada75f896eeb94a59da0a7ef7b252912f9baf3bd8df60c87
[INFO] running `"docker" "start" "-a" "deae5ddc98fbc2e2ada75f896eeb94a59da0a7ef7b252912f9baf3bd8df60c87"`
[INFO] [stderr]     Checking varlink v8.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client.rs:180:44
[INFO] [stderr]     |
[INFO] [stderr] 180 |     pub fn split(&mut self) -> Result<(Box<Read + Send + Sync>, Box<Write + Send + Sync>)> {
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Read + Send + Sync`
[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/client.rs:180:69
[INFO] [stderr]     |
[INFO] [stderr] 180 |     pub fn split(&mut self) -> Result<(Box<Read + Send + Sync>, Box<Write + Send + Sync>)> {
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Write + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:40:44
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn split(&mut self) -> Result<(Box<Read + Send + Sync>, Box<Write + Send + Sync>)> {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Read + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:40:69
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn split(&mut self) -> Result<(Box<Read + Send + Sync>, Box<Write + Send + Sync>)> {
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Write + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `FromRawFd` is imported redundantly
[INFO] [stderr]    --> src/server.rs:203:9
[INFO] [stderr]     |
[INFO] [stderr] 20  | use std::os::unix::io::{AsRawFd, FromRawFd, IntoRawFd, RawFd};
[INFO] [stderr]     |                                  --------- the item `FromRawFd` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 203 |     use std::os::unix::io::FromRawFd;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client.rs:180:44
[INFO] [stderr]     |
[INFO] [stderr] 180 |     pub fn split(&mut self) -> Result<(Box<Read + Send + Sync>, Box<Write + Send + Sync>)> {
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Read + Send + Sync`
[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/client.rs:180:69
[INFO] [stderr]     |
[INFO] [stderr] 180 |     pub fn split(&mut self) -> Result<(Box<Read + Send + Sync>, Box<Write + Send + Sync>)> {
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Write + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:40:44
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn split(&mut self) -> Result<(Box<Read + Send + Sync>, Box<Write + Send + Sync>)> {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Read + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:40:69
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn split(&mut self) -> Result<(Box<Read + Send + Sync>, Box<Write + Send + Sync>)> {
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Write + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `FromRawFd` is imported redundantly
[INFO] [stderr]    --> src/server.rs:203:9
[INFO] [stderr]     |
[INFO] [stderr] 20  | use std::os::unix::io::{AsRawFd, FromRawFd, IntoRawFd, RawFd};
[INFO] [stderr]     |                                  --------- the item `FromRawFd` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 203 |     use std::os::unix::io::FromRawFd;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/server.rs:489:16
[INFO] [stderr]     |
[INFO] [stderr] 489 | type Job = Box<FnBox + Send + 'static>;
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:352:62
[INFO] [stderr]     |
[INFO] [stderr] 352 |     fn call_upgraded(&self, call: &mut Call, bufreader: &mut BufRead) -> Result<Vec<u8>>;
[INFO] [stderr]     |                                                              ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:549:25
[INFO] [stderr]     |
[INFO] [stderr] 549 |     pub writer: &'a mut Write,
[INFO] [stderr]     |                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/server.rs:489:16
[INFO] [stderr]     |
[INFO] [stderr] 489 | type Job = Box<FnBox + Send + 'static>;
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:352:62
[INFO] [stderr]     |
[INFO] [stderr] 352 |     fn call_upgraded(&self, call: &mut Call, bufreader: &mut BufRead) -> Result<Vec<u8>>;
[INFO] [stderr]     |                                                              ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:549:25
[INFO] [stderr]     |
[INFO] [stderr] 549 |     pub writer: &'a 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/lib.rs:749:32
[INFO] [stderr]     |
[INFO] [stderr] 749 |     pub fn new(writer: &'a mut Write, request: &'a Request<'a>) -> Self {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:757:37
[INFO] [stderr]     |
[INFO] [stderr] 757 |     fn new_upgraded(writer: &'a mut Write) -> Self {
[INFO] [stderr]     |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:795:38
[INFO] [stderr]     |
[INFO] [stderr] 795 |     pub reader: Option<BufReader<Box<Read + Send + Sync>>>,
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Read + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:796:28
[INFO] [stderr]     |
[INFO] [stderr] 796 |     pub writer: Option<Box<Write + Send + Sync>>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Write + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:938:34
[INFO] [stderr]     |
[INFO] [stderr] 938 |     reader: Option<BufReader<Box<Read + Send + Sync>>>,
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Read + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:939:24
[INFO] [stderr]     |
[INFO] [stderr] 939 |     writer: Option<Box<Write + Send + Sync>>,
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Write + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1189:44
[INFO] [stderr]      |
[INFO] [stderr] 1189 |     ifaces: HashMap<Cow<'static, str>, Box<Interface + Send + Sync>>,
[INFO] [stderr]      |                                            ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Interface + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1230:63
[INFO] [stderr]      |
[INFO] [stderr] 1230 |     fn call_upgraded(&self, call: &mut Call, _bufreader: &mut BufRead) -> Result<Vec<u8>> {
[INFO] [stderr]      |                                                               ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1320:29
[INFO] [stderr]      |
[INFO] [stderr] 1320 |         interfaces: Vec<Box<Interface + Send + Sync>>,
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Interface + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1322:62
[INFO] [stderr]      |
[INFO] [stderr] 1322 |         let mut ifhashmap = HashMap::<Cow<'static, str>, Box<Interface + Send + Sync>>::new();
[INFO] [stderr]      |                                                              ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Interface + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1358:25
[INFO] [stderr]      |
[INFO] [stderr] 1358 |         bufreader: &mut BufRead,
[INFO] [stderr]      |                         ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1377:25
[INFO] [stderr]      |
[INFO] [stderr] 1377 |         bufreader: &mut BufRead,
[INFO] [stderr]      |                         ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1378:22
[INFO] [stderr]      |
[INFO] [stderr] 1378 |         writer: &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/lib.rs:1417:25
[INFO] [stderr]      |
[INFO] [stderr] 1417 |         bufreader: &mut BufRead,
[INFO] [stderr]      |                         ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1418:22
[INFO] [stderr]      |
[INFO] [stderr] 1418 |         writer: &mut Write,
[INFO] [stderr]      |                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:749:32
[INFO] [stderr]     |
[INFO] [stderr] 749 |     pub fn new(writer: &'a mut Write, request: &'a Request<'a>) -> Self {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:757:37
[INFO] [stderr]     |
[INFO] [stderr] 757 |     fn new_upgraded(writer: &'a mut Write) -> Self {
[INFO] [stderr]     |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:795:38
[INFO] [stderr]     |
[INFO] [stderr] 795 |     pub reader: Option<BufReader<Box<Read + Send + Sync>>>,
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Read + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:796:28
[INFO] [stderr]     |
[INFO] [stderr] 796 |     pub writer: Option<Box<Write + Send + Sync>>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Write + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:938:34
[INFO] [stderr]     |
[INFO] [stderr] 938 |     reader: Option<BufReader<Box<Read + Send + Sync>>>,
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Read + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:939:24
[INFO] [stderr]     |
[INFO] [stderr] 939 |     writer: Option<Box<Write + Send + Sync>>,
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Write + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1189:44
[INFO] [stderr]      |
[INFO] [stderr] 1189 |     ifaces: HashMap<Cow<'static, str>, Box<Interface + Send + Sync>>,
[INFO] [stderr]      |                                            ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Interface + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1230:63
[INFO] [stderr]      |
[INFO] [stderr] 1230 |     fn call_upgraded(&self, call: &mut Call, _bufreader: &mut BufRead) -> Result<Vec<u8>> {
[INFO] [stderr]      |                                                               ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1320:29
[INFO] [stderr]      |
[INFO] [stderr] 1320 |         interfaces: Vec<Box<Interface + Send + Sync>>,
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Interface + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1322:62
[INFO] [stderr]      |
[INFO] [stderr] 1322 |         let mut ifhashmap = HashMap::<Cow<'static, str>, Box<Interface + Send + Sync>>::new();
[INFO] [stderr]      |                                                              ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Interface + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1358:25
[INFO] [stderr]      |
[INFO] [stderr] 1358 |         bufreader: &mut BufRead,
[INFO] [stderr]      |                         ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1377:25
[INFO] [stderr]      |
[INFO] [stderr] 1377 |         bufreader: &mut BufRead,
[INFO] [stderr]      |                         ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1378:22
[INFO] [stderr]      |
[INFO] [stderr] 1378 |         writer: &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/lib.rs:1417:25
[INFO] [stderr]      |
[INFO] [stderr] 1417 |         bufreader: &mut BufRead,
[INFO] [stderr]      |                         ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1418:22
[INFO] [stderr]      |
[INFO] [stderr] 1418 |         writer: &mut Write,
[INFO] [stderr]      |                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::os::unix::process::CommandExt::before_exec': should be unsafe, use `pre_exec` instead
[INFO] [stderr]   --> src/client.rs:59:10
[INFO] [stderr]    |
[INFO] [stderr] 59 |         .before_exec({
[INFO] [stderr]    |          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::os::unix::process::CommandExt::before_exec': should be unsafe, use `pre_exec` instead
[INFO] [stderr]   --> src/client.rs:59:10
[INFO] [stderr]    |
[INFO] [stderr] 59 |         .before_exec({
[INFO] [stderr]    |          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.82s
[INFO] running `"docker" "inspect" "deae5ddc98fbc2e2ada75f896eeb94a59da0a7ef7b252912f9baf3bd8df60c87"`
[INFO] running `"docker" "rm" "-f" "deae5ddc98fbc2e2ada75f896eeb94a59da0a7ef7b252912f9baf3bd8df60c87"`
[INFO] [stdout] deae5ddc98fbc2e2ada75f896eeb94a59da0a7ef7b252912f9baf3bd8df60c87