[INFO] crate lz4 1.23.1 is already in cache
[INFO] testing lz4-1.23.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate lz4 1.23.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lz4 1.23.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lz4 1.23.1
[INFO] finished tweaking crates.io crate lz4 1.23.1
[INFO] tweaked toml for crates.io crate lz4 1.23.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7fa9f428ffbcccfd457890f1fe4a78d989ff19e8cb406d6953a9cd74913e7aa7
[INFO] running `"docker" "start" "-a" "7fa9f428ffbcccfd457890f1fe4a78d989ff19e8cb406d6953a9cd74913e7aa7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling lz4-sys v1.8.3
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling lz4 v1.23.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:28:16
[INFO] [stderr]    |
[INFO] [stderr] 28 |             c: try!(DecoderContext::new()),
[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/decoder.rs:68:28
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 self.len = try!(self.r.read(&mut self.buf[0..need]));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:78:27
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 let len = try!(check_error(unsafe {
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(check_error(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:84:16
[INFO] [stderr]    |
[INFO] [stderr] 84 |             c: try!(EncoderContext::new()),
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:86:40
[INFO] [stderr]    |
[INFO] [stderr] 86 |             buffer: Vec::with_capacity(try!(check_error(unsafe {
[INFO] [stderr]    |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |         try!(encoder.write_header(&preferences));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:98:23
[INFO] [stderr]    |
[INFO] [stderr] 98 |             let len = try!(check_error(LZ4F_compressBegin(
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:111:23
[INFO] [stderr]     |
[INFO] [stderr] 111 |             let len = try!(check_error(LZ4F_compressEnd(
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:142:27
[INFO] [stderr]     |
[INFO] [stderr] 142 |                 let len = try!(check_error(LZ4F_compressUpdate(
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:151:17
[INFO] [stderr]     |
[INFO] [stderr] 151 |                 try!(self.w.write_all(&self.buffer));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:161:27
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 let len = try!(check_error(LZ4F_flush(
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:172:13
[INFO] [stderr]     |
[INFO] [stderr] 172 |             try!(self.w.write_all(&self.buffer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |         try!(check_error(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/liblz4.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/lz4.rs:28:18
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut fi = try!(File::open(src));
[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/bin/lz4.rs:29:18
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut fo = try!(lz4::EncoderBuilder::new().build(try!(File::create(dst))));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/lz4.rs:29:56
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut fo = try!(lz4::EncoderBuilder::new().build(try!(File::create(dst))));
[INFO] [stderr]    |                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/lz4.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     try!(copy(&mut fi, &mut fo));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/lz4.rs:38:18
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut fi = try!(lz4::Decoder::new(try!(File::open(src))));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/lz4.rs:38:41
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut fi = try!(lz4::Decoder::new(try!(File::open(src))));
[INFO] [stderr]    |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/lz4.rs:39:18
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let mut fo = try!(File::create(dst));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/lz4.rs:46:19
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let len = try!(src.read(&mut buffer));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/lz4.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         try!(dst.write_all(&buffer[0..len]));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/lz4.rs:43:19
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn copy(src: &mut Read, dst: &mut Write) -> Result<()> {
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Read`
[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/bin/lz4.rs:43:35
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn copy(src: &mut Read, dst: &mut Write) -> Result<()> {
[INFO] [stderr]    |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.01s
[INFO] running `"docker" "inspect" "7fa9f428ffbcccfd457890f1fe4a78d989ff19e8cb406d6953a9cd74913e7aa7"`
[INFO] running `"docker" "rm" "-f" "7fa9f428ffbcccfd457890f1fe4a78d989ff19e8cb406d6953a9cd74913e7aa7"`
[INFO] [stdout] 7fa9f428ffbcccfd457890f1fe4a78d989ff19e8cb406d6953a9cd74913e7aa7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 480bd90645f41311ced968826be7002110f12b8eed1a2313f257a16ac56ed5b1
[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" "480bd90645f41311ced968826be7002110f12b8eed1a2313f257a16ac56ed5b1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling lz4 v1.23.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:28:16
[INFO] [stderr]    |
[INFO] [stderr] 28 |             c: try!(DecoderContext::new()),
[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/decoder.rs:68:28
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 self.len = try!(self.r.read(&mut self.buf[0..need]));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:78:27
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 let len = try!(check_error(unsafe {
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(check_error(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:84:16
[INFO] [stderr]    |
[INFO] [stderr] 84 |             c: try!(EncoderContext::new()),
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:86:40
[INFO] [stderr]    |
[INFO] [stderr] 86 |             buffer: Vec::with_capacity(try!(check_error(unsafe {
[INFO] [stderr]    |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |         try!(encoder.write_header(&preferences));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:98:23
[INFO] [stderr]    |
[INFO] [stderr] 98 |             let len = try!(check_error(LZ4F_compressBegin(
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:111:23
[INFO] [stderr]     |
[INFO] [stderr] 111 |             let len = try!(check_error(LZ4F_compressEnd(
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:142:27
[INFO] [stderr]     |
[INFO] [stderr] 142 |                 let len = try!(check_error(LZ4F_compressUpdate(
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:151:17
[INFO] [stderr]     |
[INFO] [stderr] 151 |                 try!(self.w.write_all(&self.buffer));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:161:27
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 let len = try!(check_error(LZ4F_flush(
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:172:13
[INFO] [stderr]     |
[INFO] [stderr] 172 |             try!(self.w.write_all(&self.buffer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |         try!(check_error(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/liblz4.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/lz4.rs:28:18
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut fi = try!(File::open(src));
[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/bin/lz4.rs:29:18
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut fo = try!(lz4::EncoderBuilder::new().build(try!(File::create(dst))));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/lz4.rs:29:56
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut fo = try!(lz4::EncoderBuilder::new().build(try!(File::create(dst))));
[INFO] [stderr]    |                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/lz4.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     try!(copy(&mut fi, &mut fo));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/lz4.rs:38:18
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut fi = try!(lz4::Decoder::new(try!(File::open(src))));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/lz4.rs:38:41
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut fi = try!(lz4::Decoder::new(try!(File::open(src))));
[INFO] [stderr]    |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/lz4.rs:39:18
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let mut fo = try!(File::create(dst));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/lz4.rs:46:19
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let len = try!(src.read(&mut buffer));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/lz4.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         try!(dst.write_all(&buffer[0..len]));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/lz4.rs:43:19
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn copy(src: &mut Read, dst: &mut Write) -> Result<()> {
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Read`
[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/bin/lz4.rs:43:35
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn copy(src: &mut Read, dst: &mut Write) -> Result<()> {
[INFO] [stderr]    |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:28:16
[INFO] [stderr]    |
[INFO] [stderr] 28 |             c: try!(DecoderContext::new()),
[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/decoder.rs:68:28
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 self.len = try!(self.r.read(&mut self.buf[0..need]));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:78:27
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 let len = try!(check_error(unsafe {
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(check_error(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:84:16
[INFO] [stderr]    |
[INFO] [stderr] 84 |             c: try!(EncoderContext::new()),
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:86:40
[INFO] [stderr]    |
[INFO] [stderr] 86 |             buffer: Vec::with_capacity(try!(check_error(unsafe {
[INFO] [stderr]    |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |         try!(encoder.write_header(&preferences));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:98:23
[INFO] [stderr]    |
[INFO] [stderr] 98 |             let len = try!(check_error(LZ4F_compressBegin(
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:111:23
[INFO] [stderr]     |
[INFO] [stderr] 111 |             let len = try!(check_error(LZ4F_compressEnd(
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:142:27
[INFO] [stderr]     |
[INFO] [stderr] 142 |                 let len = try!(check_error(LZ4F_compressUpdate(
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:151:17
[INFO] [stderr]     |
[INFO] [stderr] 151 |                 try!(self.w.write_all(&self.buffer));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:161:27
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 let len = try!(check_error(LZ4F_flush(
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:172:13
[INFO] [stderr]     |
[INFO] [stderr] 172 |             try!(self.w.write_all(&self.buffer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |         try!(check_error(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/liblz4.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `"docker" "inspect" "480bd90645f41311ced968826be7002110f12b8eed1a2313f257a16ac56ed5b1"`
[INFO] running `"docker" "rm" "-f" "480bd90645f41311ced968826be7002110f12b8eed1a2313f257a16ac56ed5b1"`
[INFO] [stdout] 480bd90645f41311ced968826be7002110f12b8eed1a2313f257a16ac56ed5b1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d282093e80e00240d6b806aad68151ab6783793b7af206370599c2cbb6061af6
[INFO] running `"docker" "start" "-a" "d282093e80e00240d6b806aad68151ab6783793b7af206370599c2cbb6061af6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:28:16
[INFO] [stderr]    |
[INFO] [stderr] 28 |             c: try!(DecoderContext::new()),
[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/decoder.rs:68:28
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 self.len = try!(self.r.read(&mut self.buf[0..need]));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:78:27
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 let len = try!(check_error(unsafe {
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(check_error(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:84:16
[INFO] [stderr]    |
[INFO] [stderr] 84 |             c: try!(EncoderContext::new()),
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:86:40
[INFO] [stderr]    |
[INFO] [stderr] 86 |             buffer: Vec::with_capacity(try!(check_error(unsafe {
[INFO] [stderr]    |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |         try!(encoder.write_header(&preferences));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:98:23
[INFO] [stderr]    |
[INFO] [stderr] 98 |             let len = try!(check_error(LZ4F_compressBegin(
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:111:23
[INFO] [stderr]     |
[INFO] [stderr] 111 |             let len = try!(check_error(LZ4F_compressEnd(
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:142:27
[INFO] [stderr]     |
[INFO] [stderr] 142 |                 let len = try!(check_error(LZ4F_compressUpdate(
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:151:17
[INFO] [stderr]     |
[INFO] [stderr] 151 |                 try!(self.w.write_all(&self.buffer));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:161:27
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 let len = try!(check_error(LZ4F_flush(
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:172:13
[INFO] [stderr]     |
[INFO] [stderr] 172 |             try!(self.w.write_all(&self.buffer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |         try!(check_error(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/liblz4.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:28:16
[INFO] [stderr]    |
[INFO] [stderr] 28 |             c: try!(DecoderContext::new()),
[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/decoder.rs:68:28
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 self.len = try!(self.r.read(&mut self.buf[0..need]));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/decoder.rs:78:27
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 let len = try!(check_error(unsafe {
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(check_error(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:84:16
[INFO] [stderr]    |
[INFO] [stderr] 84 |             c: try!(EncoderContext::new()),
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:86:40
[INFO] [stderr]    |
[INFO] [stderr] 86 |             buffer: Vec::with_capacity(try!(check_error(unsafe {
[INFO] [stderr]    |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |         try!(encoder.write_header(&preferences));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:98:23
[INFO] [stderr]    |
[INFO] [stderr] 98 |             let len = try!(check_error(LZ4F_compressBegin(
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:111:23
[INFO] [stderr]     |
[INFO] [stderr] 111 |             let len = try!(check_error(LZ4F_compressEnd(
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:142:27
[INFO] [stderr]     |
[INFO] [stderr] 142 |                 let len = try!(check_error(LZ4F_compressUpdate(
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:151:17
[INFO] [stderr]     |
[INFO] [stderr] 151 |                 try!(self.w.write_all(&self.buffer));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:161:27
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 let len = try!(check_error(LZ4F_flush(
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:172:13
[INFO] [stderr]     |
[INFO] [stderr] 172 |             try!(self.w.write_all(&self.buffer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |         try!(check_error(unsafe {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/liblz4.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/lz4.rs:28:18
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut fi = try!(File::open(src));
[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/bin/lz4.rs:29:18
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut fo = try!(lz4::EncoderBuilder::new().build(try!(File::create(dst))));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/lz4.rs:29:56
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut fo = try!(lz4::EncoderBuilder::new().build(try!(File::create(dst))));
[INFO] [stderr]    |                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/lz4.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     try!(copy(&mut fi, &mut fo));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/lz4.rs:38:18
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut fi = try!(lz4::Decoder::new(try!(File::open(src))));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/lz4.rs:38:41
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut fi = try!(lz4::Decoder::new(try!(File::open(src))));
[INFO] [stderr]    |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/lz4.rs:39:18
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let mut fo = try!(File::create(dst));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/lz4.rs:46:19
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let len = try!(src.read(&mut buffer));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/lz4.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         try!(dst.write_all(&buffer[0..len]));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/lz4.rs:43:19
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn copy(src: &mut Read, dst: &mut Write) -> Result<()> {
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Read`
[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/bin/lz4.rs:43:35
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn copy(src: &mut Read, dst: &mut Write) -> Result<()> {
[INFO] [stderr]    |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lz4-69ee588c39b3b15c
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test liblz4::test_version_number ... ok
[INFO] [stdout] test encoder::test::test_encoder_smoke ... ok
[INFO] [stdout] test encoder::test::test_encoder_send ... ok
[INFO] [stdout] test decoder::test::test_decoder_smoke ... ok
[INFO] [stdout] test decoder::test::test_decoder_empty ... ok
[INFO] [stdout] test decoder::test::test_decoder_send ... ok
[INFO] [stdout] test block::test::test_decompression_with_prefix ... ok
[INFO] [stdout] test decoder::test::test_decoder_smallest ... ok
[INFO] [stdout] test block::test::test_compression_without_prefix ... ok
[INFO] [stdout] test block::test::test_compression_with_prefix ... ok
[INFO] [stdout] test encoder::test::test_encoder_random ... ok
[INFO] [stdout] test decoder::test::test_retry_read ... ok
[INFO] [stdout] test decoder::test::test_decoder_random ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/skeptic-d29552f2d597f214
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] LZ4 version: 10803
[INFO] [stdout] test readme_sect_usage_line_23 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lz4
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/block/mod.rs - block (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d282093e80e00240d6b806aad68151ab6783793b7af206370599c2cbb6061af6"`
[INFO] running `"docker" "rm" "-f" "d282093e80e00240d6b806aad68151ab6783793b7af206370599c2cbb6061af6"`
[INFO] [stdout] d282093e80e00240d6b806aad68151ab6783793b7af206370599c2cbb6061af6