[INFO] fetching crate mxf 0.1.2...
[INFO] testing mxf-0.1.2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate mxf 0.1.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate mxf 0.1.2 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mxf 0.1.2
[INFO] finished tweaking crates.io crate mxf 0.1.2
[INFO] tweaked toml for crates.io crate mxf 0.1.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 259087447f90efaf77a9d4acff60497ce676f2fe3e49d65d76b56fbae340bb74
[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" "259087447f90efaf77a9d4acff60497ce676f2fe3e49d65d76b56fbae340bb74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "259087447f90efaf77a9d4acff60497ce676f2fe3e49d65d76b56fbae340bb74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "259087447f90efaf77a9d4acff60497ce676f2fe3e49d65d76b56fbae340bb74", kill_on_drop: false }`
[INFO] [stdout] 259087447f90efaf77a9d4acff60497ce676f2fe3e49d65d76b56fbae340bb74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fe29f817e3e98f335c034da42f106e414145ac2c34fea7741681473eb72c748
[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" "6fe29f817e3e98f335c034da42f106e414145ac2c34fea7741681473eb72c748", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling mxf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `tuple_to_vec`
[INFO] [stdout]    --> src/klv/ul.rs:618:14
[INFO] [stdout]     |
[INFO] [stdout] 618 | macro_rules! tuple_to_vec {
[INFO] [stdout]     |              ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `vec_ul`
[INFO] [stdout]    --> src/klv/ul.rs:624:14
[INFO] [stdout]     |
[INFO] [stdout] 624 | macro_rules! vec_ul {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `partition_status_identifier`
[INFO] [stdout]    --> src/klv/ul.rs:687:14
[INFO] [stdout]     |
[INFO] [stdout] 687 | macro_rules! partition_status_identifier {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/klv/length.rs:44:3
[INFO] [stdout]    |
[INFO] [stdout] 44 |   try!(stream.read_exact(&mut length).map_err(|e| e.to_string()));
[INFO] [stdout]    |   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/klv/length.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     try!(stream.read_exact(&mut data).map_err(|e| e.to_string()));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/klv/value/primer_pack.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         try!(reader.stream.read_exact(&mut ul_data).map_err(|e| e.to_string()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/klv/value/set.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 14 |   try!(reader.stream.read_exact(&mut raw_data).map_err(|e| e.to_string()));
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/klv/value/set.rs:247:15
[INFO] [stdout]     |
[INFO] [stdout] 247 |               try!(reader.stream.read_exact(&mut string_data).map_err(|e| e.to_string()));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/klv/value/set.rs:367:15
[INFO] [stdout]     |
[INFO] [stdout] 367 |               try!(reader.stream.read_exact(&mut tag_data).map_err(|e| e.to_string()));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/klv/value/set.rs:384:9
[INFO] [stdout]     |
[INFO] [stdout] 384 |         try!(reader.stream.read_exact(&mut tag_data).map_err(|e| e.to_string()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "6fe29f817e3e98f335c034da42f106e414145ac2c34fea7741681473eb72c748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe29f817e3e98f335c034da42f106e414145ac2c34fea7741681473eb72c748", kill_on_drop: false }`
[INFO] [stdout] 6fe29f817e3e98f335c034da42f106e414145ac2c34fea7741681473eb72c748
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20413341a0bc010426d7c2778e6ea0f8d57624380acba414d9c743a7eabe3798
[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" "20413341a0bc010426d7c2778e6ea0f8d57624380acba414d9c743a7eabe3798", kill_on_drop: false }`
[INFO] [stderr]    Compiling mxf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `tuple_to_vec`
[INFO] [stdout]    --> src/klv/ul.rs:618:14
[INFO] [stdout]     |
[INFO] [stdout] 618 | macro_rules! tuple_to_vec {
[INFO] [stdout]     |              ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `vec_ul`
[INFO] [stdout]    --> src/klv/ul.rs:624:14
[INFO] [stdout]     |
[INFO] [stdout] 624 | macro_rules! vec_ul {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `partition_status_identifier`
[INFO] [stdout]    --> src/klv/ul.rs:687:14
[INFO] [stdout]     |
[INFO] [stdout] 687 | macro_rules! partition_status_identifier {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/klv/length.rs:44:3
[INFO] [stdout]    |
[INFO] [stdout] 44 |   try!(stream.read_exact(&mut length).map_err(|e| e.to_string()));
[INFO] [stdout]    |   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/klv/length.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     try!(stream.read_exact(&mut data).map_err(|e| e.to_string()));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/klv/value/primer_pack.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         try!(reader.stream.read_exact(&mut ul_data).map_err(|e| e.to_string()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/klv/value/set.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 14 |   try!(reader.stream.read_exact(&mut raw_data).map_err(|e| e.to_string()));
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/klv/value/set.rs:247:15
[INFO] [stdout]     |
[INFO] [stdout] 247 |               try!(reader.stream.read_exact(&mut string_data).map_err(|e| e.to_string()));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/klv/value/set.rs:367:15
[INFO] [stdout]     |
[INFO] [stdout] 367 |               try!(reader.stream.read_exact(&mut tag_data).map_err(|e| e.to_string()));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/klv/value/set.rs:384:9
[INFO] [stdout]     |
[INFO] [stdout] 384 |         try!(reader.stream.read_exact(&mut tag_data).map_err(|e| e.to_string()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `tuple_to_vec`
[INFO] [stdout]    --> src/klv/ul.rs:618:14
[INFO] [stdout]     |
[INFO] [stdout] 618 | macro_rules! tuple_to_vec {
[INFO] [stdout]     |              ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `vec_ul`
[INFO] [stdout]    --> src/klv/ul.rs:624:14
[INFO] [stdout]     |
[INFO] [stdout] 624 | macro_rules! vec_ul {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `partition_status_identifier`
[INFO] [stdout]    --> src/klv/ul.rs:687:14
[INFO] [stdout]     |
[INFO] [stdout] 687 | macro_rules! partition_status_identifier {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/klv/length.rs:44:3
[INFO] [stdout]    |
[INFO] [stdout] 44 |   try!(stream.read_exact(&mut length).map_err(|e| e.to_string()));
[INFO] [stdout]    |   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/klv/length.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     try!(stream.read_exact(&mut data).map_err(|e| e.to_string()));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/klv/value/primer_pack.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         try!(reader.stream.read_exact(&mut ul_data).map_err(|e| e.to_string()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/klv/value/set.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 14 |   try!(reader.stream.read_exact(&mut raw_data).map_err(|e| e.to_string()));
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/klv/value/set.rs:247:15
[INFO] [stdout]     |
[INFO] [stdout] 247 |               try!(reader.stream.read_exact(&mut string_data).map_err(|e| e.to_string()));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/klv/value/set.rs:367:15
[INFO] [stdout]     |
[INFO] [stdout] 367 |               try!(reader.stream.read_exact(&mut tag_data).map_err(|e| e.to_string()));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/klv/value/set.rs:384:9
[INFO] [stdout]     |
[INFO] [stdout] 384 |         try!(reader.stream.read_exact(&mut tag_data).map_err(|e| e.to_string()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.85s
[INFO] running `Command { std: "docker" "inspect" "20413341a0bc010426d7c2778e6ea0f8d57624380acba414d9c743a7eabe3798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20413341a0bc010426d7c2778e6ea0f8d57624380acba414d9c743a7eabe3798", kill_on_drop: false }`
[INFO] [stdout] 20413341a0bc010426d7c2778e6ea0f8d57624380acba414d9c743a7eabe3798
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d4fcb47176d12f208b079e95f979e78d29e201f8099825b7f84e44ecd4ee03be
[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" "d4fcb47176d12f208b079e95f979e78d29e201f8099825b7f84e44ecd4ee03be", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused macro definition: `tuple_to_vec`
[INFO] [stdout] running 2 tests
[INFO] [stderr]    --> src/klv/ul.rs:618:14
[INFO] [stderr]     |
[INFO] [stderr] 618 | macro_rules! tuple_to_vec {
[INFO] [stderr]     |              ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition: `vec_ul`
[INFO] [stderr]    --> src/klv/ul.rs:624:14
[INFO] [stderr]     |
[INFO] [stderr] 624 | macro_rules! vec_ul {
[INFO] [stderr]     |              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition: `partition_status_identifier`
[INFO] [stderr]    --> src/klv/ul.rs:687:14
[INFO] [stderr]     |
[INFO] [stderr] 687 | macro_rules! partition_status_identifier {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/klv/length.rs:44:3
[INFO] [stderr]    |
[INFO] [stderr] 44 |   try!(stream.read_exact(&mut length).map_err(|e| e.to_string()));
[INFO] [stderr]    |   ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/klv/length.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     try!(stream.read_exact(&mut data).map_err(|e| e.to_string()));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/klv/value/primer_pack.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         try!(reader.stream.read_exact(&mut ul_data).map_err(|e| e.to_string()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/klv/value/set.rs:14:3
[INFO] [stderr]    |
[INFO] [stderr] 14 |   try!(reader.stream.read_exact(&mut raw_data).map_err(|e| e.to_string()));
[INFO] [stderr]    |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/klv/value/set.rs:247:15
[INFO] [stderr]     |
[INFO] [stderr] 247 |               try!(reader.stream.read_exact(&mut string_data).map_err(|e| e.to_string()));
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/klv/value/set.rs:367:15
[INFO] [stderr]     |
[INFO] [stderr] 367 |               try!(reader.stream.read_exact(&mut tag_data).map_err(|e| e.to_string()));
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/klv/value/set.rs:384:9
[INFO] [stderr]     |
[INFO] [stderr] 384 |         try!(reader.stream.read_exact(&mut tag_data).map_err(|e| e.to_string()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mxf` (lib) generated 10 warnings
[INFO] [stderr] warning: `mxf` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mxf-e0bb3f88b9c359c4)
[INFO] [stdout] test test::read_empty_file ... ok
[INFO] [stderr]    Doc-tests mxf
[INFO] [stdout] test test::read_first_key ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d4fcb47176d12f208b079e95f979e78d29e201f8099825b7f84e44ecd4ee03be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4fcb47176d12f208b079e95f979e78d29e201f8099825b7f84e44ecd4ee03be", kill_on_drop: false }`
[INFO] [stdout] d4fcb47176d12f208b079e95f979e78d29e201f8099825b7f84e44ecd4ee03be