[INFO] fetching crate bmidi 0.0.2...
[INFO] testing bmidi-0.0.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate bmidi 0.0.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate bmidi 0.0.2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bmidi 0.0.2
[INFO] finished tweaking crates.io crate bmidi 0.0.2
[INFO] tweaked toml for crates.io crate bmidi 0.0.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e48121e2cf165edac760c4bae7771ce592d0155adacb4baafe865c7fce8a669b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e48121e2cf165edac760c4bae7771ce592d0155adacb4baafe865c7fce8a669b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e48121e2cf165edac760c4bae7771ce592d0155adacb4baafe865c7fce8a669b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e48121e2cf165edac760c4bae7771ce592d0155adacb4baafe865c7fce8a669b", kill_on_drop: false }`
[INFO] [stdout] e48121e2cf165edac760c4bae7771ce592d0155adacb4baafe865c7fce8a669b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c461d2ccc53b33f777a4f2ad84e0bfc145747aa4c8a79500b1e32fd65f4d0a6b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c461d2ccc53b33f777a4f2ad84e0bfc145747aa4c8a79500b1e32fd65f4d0a6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling pitch_calc v0.11.1
[INFO] [stderr]    Compiling bmidi v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/reader.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         try!(self.read(&mut res));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/reader.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         try!(self.read(&mut res));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/reader.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         try!(self.read(&mut res));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/reader.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 |             let next_byte = try!(self.read_byte()) as u32;
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:18:58
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn track_iter<'a>(&'a self, index: usize) -> Box<Iterator<Item=Event> + 'a> {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Event> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/combined_iterator.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     iter: Box<Iterator<Item=Event> + 'a>
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Event> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/combined_iterator.rs:26:31
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new(iters: Vec<Box<Iterator<Item=Event> + 'a>>) -> Self {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Event> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.98s
[INFO] running `Command { std: "docker" "inspect" "c461d2ccc53b33f777a4f2ad84e0bfc145747aa4c8a79500b1e32fd65f4d0a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c461d2ccc53b33f777a4f2ad84e0bfc145747aa4c8a79500b1e32fd65f4d0a6b", kill_on_drop: false }`
[INFO] [stdout] c461d2ccc53b33f777a4f2ad84e0bfc145747aa4c8a79500b1e32fd65f4d0a6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9e208f12c08fb4ef8aa7d5aca40c507029e777cdb72018e3217810b64104f3c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e9e208f12c08fb4ef8aa7d5aca40c507029e777cdb72018e3217810b64104f3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling bmidi v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/reader.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         try!(self.read(&mut res));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/reader.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         try!(self.read(&mut res));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/reader.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         try!(self.read(&mut res));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/reader.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 |             let next_byte = try!(self.read_byte()) as u32;
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:18:58
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn track_iter<'a>(&'a self, index: usize) -> Box<Iterator<Item=Event> + 'a> {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Event> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/combined_iterator.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     iter: Box<Iterator<Item=Event> + 'a>
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Event> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/combined_iterator.rs:26:31
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new(iters: Vec<Box<Iterator<Item=Event> + 'a>>) -> Self {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Event> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/reader.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         try!(self.read(&mut res));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/reader.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         try!(self.read(&mut res));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/reader.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         try!(self.read(&mut res));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/reader.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 |             let next_byte = try!(self.read_byte()) as u32;
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:18:58
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn track_iter<'a>(&'a self, index: usize) -> Box<Iterator<Item=Event> + 'a> {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Event> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/combined_iterator.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     iter: Box<Iterator<Item=Event> + 'a>
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Event> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/combined_iterator.rs:26:31
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new(iters: Vec<Box<Iterator<Item=Event> + 'a>>) -> Self {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Event> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "e9e208f12c08fb4ef8aa7d5aca40c507029e777cdb72018e3217810b64104f3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9e208f12c08fb4ef8aa7d5aca40c507029e777cdb72018e3217810b64104f3c", kill_on_drop: false }`
[INFO] [stdout] e9e208f12c08fb4ef8aa7d5aca40c507029e777cdb72018e3217810b64104f3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a08ebe6bc8b3422bfb889f6044bb1cd2f1f87bad95f8ea30e3fa78fe4f220132
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a08ebe6bc8b3422bfb889f6044bb1cd2f1f87bad95f8ea30e3fa78fe4f220132", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         try!(self.read(&mut res));
[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]   --> src/reader.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         try!(self.read(&mut res));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         try!(self.read(&mut res));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 |             let next_byte = try!(self.read_byte()) as u32;
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:18:58
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn track_iter<'a>(&'a self, index: usize) -> Box<Iterator<Item=Event> + 'a> {
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Event> + 'a`
[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/combined_iterator.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 |     iter: Box<Iterator<Item=Event> + 'a>
[INFO] [stderr]   |               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Event> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/combined_iterator.rs:26:31
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn new(iters: Vec<Box<Iterator<Item=Event> + 'a>>) -> Self {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Event> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         try!(self.read(&mut res));
[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]   --> src/reader.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         try!(self.read(&mut res));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         try!(self.read(&mut res));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 |             let next_byte = try!(self.read_byte()) as u32;
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:18:58
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn track_iter<'a>(&'a self, index: usize) -> Box<Iterator<Item=Event> + 'a> {
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Event> + 'a`
[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/combined_iterator.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 |     iter: Box<Iterator<Item=Event> + 'a>
[INFO] [stderr]   |               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Event> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/combined_iterator.rs:26:31
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn new(iters: Vec<Box<Iterator<Item=Event> + 'a>>) -> Self {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Event> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bmidi-b3d03f7964153e9c
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bmidi
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a08ebe6bc8b3422bfb889f6044bb1cd2f1f87bad95f8ea30e3fa78fe4f220132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a08ebe6bc8b3422bfb889f6044bb1cd2f1f87bad95f8ea30e3fa78fe4f220132", kill_on_drop: false }`
[INFO] [stdout] a08ebe6bc8b3422bfb889f6044bb1cd2f1f87bad95f8ea30e3fa78fe4f220132