[INFO] updating cached repository https://github.com/apoloval/mcp
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8aed2d7c5ceb3bbc619e13ac27527e059c1ee04e
[INFO] checking apoloval/mcp against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapoloval%2Fmcp" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/apoloval/mcp on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/apoloval/mcp
[INFO] finished tweaking git repo https://github.com/apoloval/mcp
[INFO] tweaked toml for git repo https://github.com/apoloval/mcp written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/apoloval/mcp already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bcb0dc9e400662cba692d62ad3d79294223f125b2c51c1a2c6d84aa026764824
[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" "bcb0dc9e400662cba692d62ad3d79294223f125b2c51c1a2c6d84aa026764824"`
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking docopt v1.0.2
[INFO] [stderr]     Checking quickcheck v0.8.2
[INFO] [stderr]     Checking mcp v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/file.rs:42:21
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let temp_path = try!(temporary(path));
[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/file.rs:43:20
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut file = try!(fs::File::create(&temp_path));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/file.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     try!(file.write_all(content));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/file.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         try!(remove(path));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/file.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     try!(fs::rename(&temp_path, path));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/file.rs:53:20
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let path_str = try!(path
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/file.rs:89:16
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let stem = try!(extract_from_path(path, |p| p.file_stem()));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tape.rs:200:24
[INFO] [stderr]     |
[INFO] [stderr] 200 |         let mut file = try!(fs::File::open(filename));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tape.rs:213:3
[INFO] [stderr]     |
[INFO] [stderr] 213 |         try!(input.read_to_end(&mut bytes));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wav.rs:53:3
[INFO] [stderr]    |
[INFO] [stderr] 53 |         try!(self.write_wave(w));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wav.rs:54:3
[INFO] [stderr]    |
[INFO] [stderr] 54 |         try!(w.write(&*self.buffer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wav.rs:73:14
[INFO] [stderr]    |
[INFO] [stderr] 73 |             nbytes += try!(self.write_pulse(SHORT_PULSE));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wav.rs:94:14
[INFO] [stderr]    |
[INFO] [stderr] 94 |             nbytes += try!(self.buffer.write(&[0x80]));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:103:14
[INFO] [stderr]     |
[INFO] [stderr] 103 |             nbytes += try!(self.write_byte(*byte));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:113:3
[INFO] [stderr]     |
[INFO] [stderr] 113 |         try!(write!(w, "RIFF"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:116:3
[INFO] [stderr]     |
[INFO] [stderr] 116 |         try!(w.write_u32::<LittleEndian>(file_len));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:119:3
[INFO] [stderr]     |
[INFO] [stderr] 119 |         try!(write!(w, "WAVE"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:122:3
[INFO] [stderr]     |
[INFO] [stderr] 122 |         try!(write!(w, "fmt "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:125:3
[INFO] [stderr]     |
[INFO] [stderr] 125 |         try!(w.write_u32::<LittleEndian>(16));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:128:3
[INFO] [stderr]     |
[INFO] [stderr] 128 |         try!(w.write_u16::<LittleEndian>(1));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:131:3
[INFO] [stderr]     |
[INFO] [stderr] 131 |         try!(w.write_u16::<LittleEndian>(1));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:134:3
[INFO] [stderr]     |
[INFO] [stderr] 134 |         try!(w.write_u32::<LittleEndian>(self.sample_rate));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:137:3
[INFO] [stderr]     |
[INFO] [stderr] 137 |         try!(w.write_u32::<LittleEndian>(self.sample_rate));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:140:3
[INFO] [stderr]     |
[INFO] [stderr] 140 |         try!(w.write_u16::<LittleEndian>(8));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:143:3
[INFO] [stderr]     |
[INFO] [stderr] 143 |         try!(w.write_u16::<LittleEndian>(8));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:146:3
[INFO] [stderr]     |
[INFO] [stderr] 146 |         try!(write!(w, "data"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:149:3
[INFO] [stderr]     |
[INFO] [stderr] 149 |         try!(w.write_u32::<LittleEndian>(data_len));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:156:13
[INFO] [stderr]     |
[INFO] [stderr] 156 |         nbytes += try!(self.write_pulse(LONG_PULSE));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:160:15
[INFO] [stderr]     |
[INFO] [stderr] 160 |                 nbytes += try!(self.write_pulse(SHORT_PULSE));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:161:15
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 nbytes += try!(self.write_pulse(SHORT_PULSE));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:163:15
[INFO] [stderr]     |
[INFO] [stderr] 163 |                 nbytes += try!(self.write_pulse(LONG_PULSE));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:168:14
[INFO] [stderr]     |
[INFO] [stderr] 168 |             nbytes += try!(self.write_pulse(SHORT_PULSE));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:74:16
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let tape = try!(tape::Tape::from_file(path));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:97:16
[INFO] [stderr]    |
[INFO] [stderr] 97 |     let tape = try!(tape::Tape::from_file(path));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         try!(extract_file(&file, Path::new(&out_path)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:111:33
[INFO] [stderr]     |
[INFO] [stderr] 111 |     let (out_filename, clash) = try!(file::unique_filename(out_path));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:116:21
[INFO] [stderr]     |
[INFO] [stderr] 116 |     let mut ofile = try!(File::create(&out_filename));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |             try!(ofile.write_all(&[0xfe]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |             try!(ofile.write_all(data));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 124 |             try!(ofile.write_all(data));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:129:17
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 try!(ofile.write_all(&chunk[..last]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:133:13
[INFO] [stderr]     |
[INFO] [stderr] 133 |             try!(ofile.write_all(data));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:144:13
[INFO] [stderr]     |
[INFO] [stderr] 144 |             try!(add_bin_file(&mut tape, &file));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:147:13
[INFO] [stderr]     |
[INFO] [stderr] 147 |             try!(add_ascii_file(&mut tape, &file));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 |             try!(add_basic_file(&mut tape, &file));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:153:13
[INFO] [stderr]     |
[INFO] [stderr] 153 |             try!(add_custom_file(&mut tape, &file));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:157:5
[INFO] [stderr]     |
[INFO] [stderr] 157 |     try!(save_tape(&tape, &path));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:162:16
[INFO] [stderr]     |
[INFO] [stderr] 162 |     let data = try!(file::read_content(file));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:165:30
[INFO] [stderr]     |
[INFO] [stderr] 165 |     let (fname, truncated) = try!(file::file_name_of(file));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:174:16
[INFO] [stderr]     |
[INFO] [stderr] 174 |     let data = try!(file::read_content(file));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:175:30
[INFO] [stderr]     |
[INFO] [stderr] 175 |     let (fname, truncated) = try!(file::file_name_of(file));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:184:16
[INFO] [stderr]     |
[INFO] [stderr] 184 |     let data = try!(file::read_content(file));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:185:30
[INFO] [stderr]     |
[INFO] [stderr] 185 |     let (fname, truncated) = try!(file::file_name_of(file));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:194:16
[INFO] [stderr]     |
[INFO] [stderr] 194 |     let data = try!(file::read_content(file));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:202:9
[INFO] [stderr]     |
[INFO] [stderr] 202 |         try!(buff.write_all(block.data()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:204:5
[INFO] [stderr]     |
[INFO] [stderr] 204 |     try!(file::write_content(file, &buff));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:209:16
[INFO] [stderr]     |
[INFO] [stderr] 209 |     let tape = try!(Tape::from_file(cas_path));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:211:24
[INFO] [stderr]     |
[INFO] [stderr] 211 |     let mut wav_file = try!(File::create(wav_path));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/file.rs:42:21
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let temp_path = try!(temporary(path));
[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/file.rs:43:20
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut file = try!(fs::File::create(&temp_path));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/file.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     try!(file.write_all(content));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/file.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         try!(remove(path));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/file.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     try!(fs::rename(&temp_path, path));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/file.rs:53:20
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let path_str = try!(path
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/file.rs:89:16
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let stem = try!(extract_from_path(path, |p| p.file_stem()));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tape.rs:200:24
[INFO] [stderr]     |
[INFO] [stderr] 200 |         let mut file = try!(fs::File::open(filename));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tape.rs:213:3
[INFO] [stderr]     |
[INFO] [stderr] 213 |         try!(input.read_to_end(&mut bytes));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wav.rs:53:3
[INFO] [stderr]    |
[INFO] [stderr] 53 |         try!(self.write_wave(w));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wav.rs:54:3
[INFO] [stderr]    |
[INFO] [stderr] 54 |         try!(w.write(&*self.buffer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wav.rs:73:14
[INFO] [stderr]    |
[INFO] [stderr] 73 |             nbytes += try!(self.write_pulse(SHORT_PULSE));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wav.rs:94:14
[INFO] [stderr]    |
[INFO] [stderr] 94 |             nbytes += try!(self.buffer.write(&[0x80]));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:103:14
[INFO] [stderr]     |
[INFO] [stderr] 103 |             nbytes += try!(self.write_byte(*byte));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:113:3
[INFO] [stderr]     |
[INFO] [stderr] 113 |         try!(write!(w, "RIFF"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:116:3
[INFO] [stderr]     |
[INFO] [stderr] 116 |         try!(w.write_u32::<LittleEndian>(file_len));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:119:3
[INFO] [stderr]     |
[INFO] [stderr] 119 |         try!(write!(w, "WAVE"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:122:3
[INFO] [stderr]     |
[INFO] [stderr] 122 |         try!(write!(w, "fmt "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:125:3
[INFO] [stderr]     |
[INFO] [stderr] 125 |         try!(w.write_u32::<LittleEndian>(16));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:128:3
[INFO] [stderr]     |
[INFO] [stderr] 128 |         try!(w.write_u16::<LittleEndian>(1));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:131:3
[INFO] [stderr]     |
[INFO] [stderr] 131 |         try!(w.write_u16::<LittleEndian>(1));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:134:3
[INFO] [stderr]     |
[INFO] [stderr] 134 |         try!(w.write_u32::<LittleEndian>(self.sample_rate));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:137:3
[INFO] [stderr]     |
[INFO] [stderr] 137 |         try!(w.write_u32::<LittleEndian>(self.sample_rate));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:140:3
[INFO] [stderr]     |
[INFO] [stderr] 140 |         try!(w.write_u16::<LittleEndian>(8));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:143:3
[INFO] [stderr]     |
[INFO] [stderr] 143 |         try!(w.write_u16::<LittleEndian>(8));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:146:3
[INFO] [stderr]     |
[INFO] [stderr] 146 |         try!(write!(w, "data"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:149:3
[INFO] [stderr]     |
[INFO] [stderr] 149 |         try!(w.write_u32::<LittleEndian>(data_len));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:156:13
[INFO] [stderr]     |
[INFO] [stderr] 156 |         nbytes += try!(self.write_pulse(LONG_PULSE));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:160:15
[INFO] [stderr]     |
[INFO] [stderr] 160 |                 nbytes += try!(self.write_pulse(SHORT_PULSE));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:161:15
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 nbytes += try!(self.write_pulse(SHORT_PULSE));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:163:15
[INFO] [stderr]     |
[INFO] [stderr] 163 |                 nbytes += try!(self.write_pulse(LONG_PULSE));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wav.rs:168:14
[INFO] [stderr]     |
[INFO] [stderr] 168 |             nbytes += try!(self.write_pulse(SHORT_PULSE));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:74:16
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let tape = try!(tape::Tape::from_file(path));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:97:16
[INFO] [stderr]    |
[INFO] [stderr] 97 |     let tape = try!(tape::Tape::from_file(path));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         try!(extract_file(&file, Path::new(&out_path)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:111:33
[INFO] [stderr]     |
[INFO] [stderr] 111 |     let (out_filename, clash) = try!(file::unique_filename(out_path));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:116:21
[INFO] [stderr]     |
[INFO] [stderr] 116 |     let mut ofile = try!(File::create(&out_filename));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |             try!(ofile.write_all(&[0xfe]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |             try!(ofile.write_all(data));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 124 |             try!(ofile.write_all(data));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:129:17
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 try!(ofile.write_all(&chunk[..last]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:133:13
[INFO] [stderr]     |
[INFO] [stderr] 133 |             try!(ofile.write_all(data));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:144:13
[INFO] [stderr]     |
[INFO] [stderr] 144 |             try!(add_bin_file(&mut tape, &file));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:147:13
[INFO] [stderr]     |
[INFO] [stderr] 147 |             try!(add_ascii_file(&mut tape, &file));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 |             try!(add_basic_file(&mut tape, &file));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:153:13
[INFO] [stderr]     |
[INFO] [stderr] 153 |             try!(add_custom_file(&mut tape, &file));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:157:5
[INFO] [stderr]     |
[INFO] [stderr] 157 |     try!(save_tape(&tape, &path));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:162:16
[INFO] [stderr]     |
[INFO] [stderr] 162 |     let data = try!(file::read_content(file));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:165:30
[INFO] [stderr]     |
[INFO] [stderr] 165 |     let (fname, truncated) = try!(file::file_name_of(file));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:174:16
[INFO] [stderr]     |
[INFO] [stderr] 174 |     let data = try!(file::read_content(file));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:175:30
[INFO] [stderr]     |
[INFO] [stderr] 175 |     let (fname, truncated) = try!(file::file_name_of(file));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:184:16
[INFO] [stderr]     |
[INFO] [stderr] 184 |     let data = try!(file::read_content(file));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:185:30
[INFO] [stderr]     |
[INFO] [stderr] 185 |     let (fname, truncated) = try!(file::file_name_of(file));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:194:16
[INFO] [stderr]     |
[INFO] [stderr] 194 |     let data = try!(file::read_content(file));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:202:9
[INFO] [stderr]     |
[INFO] [stderr] 202 |         try!(buff.write_all(block.data()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:204:5
[INFO] [stderr]     |
[INFO] [stderr] 204 |     try!(file::write_content(file, &buff));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:209:16
[INFO] [stderr]     |
[INFO] [stderr] 209 |     let tape = try!(Tape::from_file(cas_path));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:211:24
[INFO] [stderr]     |
[INFO] [stderr] 211 |     let mut wav_file = try!(File::create(wav_path));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.40s
[INFO] running `"docker" "inspect" "bcb0dc9e400662cba692d62ad3d79294223f125b2c51c1a2c6d84aa026764824"`
[INFO] running `"docker" "rm" "-f" "bcb0dc9e400662cba692d62ad3d79294223f125b2c51c1a2c6d84aa026764824"`
[INFO] [stdout] bcb0dc9e400662cba692d62ad3d79294223f125b2c51c1a2c6d84aa026764824