[INFO] crate slog-stream 1.2.1 is already in cache
[INFO] checking slog-stream-1.2.1 against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] extracting crate slog-stream 1.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate slog-stream 1.2.1 on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate slog-stream 1.2.1
[INFO] finished tweaking crates.io crate slog-stream 1.2.1
[INFO] tweaked toml for crates.io crate slog-stream 1.2.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9320f3889ddcc533373048fe31c2e01d9455946d66cf7997237c0d5cbf3dba85
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9320f3889ddcc533373048fe31c2e01d9455946d66cf7997237c0d5cbf3dba85"`
[INFO] [stderr]     Checking slog-stream v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> lib.rs:58:21
[INFO] [stderr]    |
[INFO] [stderr] 58 |                     try!(self.format.format(&mut *buf, info, logger_values));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> lib.rs:60:38
[INFO] [stderr]    |
[INFO] [stderr] 60 |                         let mut io = try!(self.io
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> lib.rs:63:25
[INFO] [stderr]    |
[INFO] [stderr] 63 |                         try!(io.write_all(&buf));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> lib.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[macro_use]
[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]  --> format.rs:6:24
[INFO] [stderr]   |
[INFO] [stderr] 6 |               io: &mut io::Write,
[INFO] [stderr]   |                        ^^^^^^^^^ help: use `dyn`: `dyn io::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]   --> format.rs:30:32
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn fmt_msg(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:30:47
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn fmt_msg(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut io::Write) -> io::Result<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:30:55
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn fmt_msg(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                                       ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:34:32
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn fmt_key(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:34:47
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn fmt_key(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut io::Write) -> io::Result<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:34:55
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn fmt_key(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                                       ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:38:38
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn fmt_separator(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:38:53
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn fmt_separator(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut io::Write) -> io::Result<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:38:61
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn fmt_separator(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                                             ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:42:34
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn fmt_value(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                  ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:42:49
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn fmt_value(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut io::Write) -> io::Result<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:42:57
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn fmt_value(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                                         ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:46:38
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn fmt_timestamp(&self, io: &mut io::Write, f : &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:46:54
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn fmt_timestamp(&self, io: &mut io::Write, f : &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut io::Write) -> io::Result<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:46:62
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn fmt_timestamp(&self, io: &mut io::Write, f : &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                                              ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:50:34
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn fmt_level(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                  ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:50:49
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn fmt_level(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut io::Write) -> io::Result<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:50:57
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn fmt_level(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                                         ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> lib.rs:58:21
[INFO] [stderr]    |
[INFO] [stderr] 58 |                     try!(self.format.format(&mut *buf, info, logger_values));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> lib.rs:60:38
[INFO] [stderr]    |
[INFO] [stderr] 60 |                         let mut io = try!(self.io
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> lib.rs:63:25
[INFO] [stderr]    |
[INFO] [stderr] 63 |                         try!(io.write_all(&buf));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> lib.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[macro_use]
[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]  --> format.rs:6:24
[INFO] [stderr]   |
[INFO] [stderr] 6 |               io: &mut io::Write,
[INFO] [stderr]   |                        ^^^^^^^^^ help: use `dyn`: `dyn io::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]   --> format.rs:30:32
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn fmt_msg(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:30:47
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn fmt_msg(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut io::Write) -> io::Result<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:30:55
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn fmt_msg(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                                       ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:34:32
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn fmt_key(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:34:47
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn fmt_key(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut io::Write) -> io::Result<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:34:55
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn fmt_key(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                                       ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:38:38
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn fmt_separator(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:38:53
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn fmt_separator(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut io::Write) -> io::Result<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:38:61
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn fmt_separator(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                                             ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:42:34
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn fmt_value(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                  ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:42:49
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn fmt_value(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut io::Write) -> io::Result<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:42:57
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn fmt_value(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                                         ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:46:38
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn fmt_timestamp(&self, io: &mut io::Write, f : &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:46:54
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn fmt_timestamp(&self, io: &mut io::Write, f : &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut io::Write) -> io::Result<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:46:62
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn fmt_timestamp(&self, io: &mut io::Write, f : &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                                              ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:50:34
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn fmt_level(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                  ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:50:49
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn fmt_level(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut io::Write) -> io::Result<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> format.rs:50:57
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn fmt_level(&self, io: &mut io::Write, f: &Fn(&mut io::Write) -> io::Result<()>) -> io::Result<()> {
[INFO] [stderr]    |                                                         ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "9320f3889ddcc533373048fe31c2e01d9455946d66cf7997237c0d5cbf3dba85"`
[INFO] running `"docker" "rm" "-f" "9320f3889ddcc533373048fe31c2e01d9455946d66cf7997237c0d5cbf3dba85"`
[INFO] [stdout] 9320f3889ddcc533373048fe31c2e01d9455946d66cf7997237c0d5cbf3dba85