[INFO] crate packed_struct 0.3.0 is already in cache
[INFO] testing packed_struct-0.3.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate packed_struct 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate packed_struct 0.3.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate packed_struct 0.3.0
[INFO] finished tweaking crates.io crate packed_struct 0.3.0
[INFO] tweaked toml for crates.io crate packed_struct 0.3.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] d526637e67ffa19a7a13192c030870e99f617fcd25fc698fdfecdaa1f1c4cb68
[INFO] running `"docker" "start" "-a" "d526637e67ffa19a7a13192c030870e99f617fcd25fc698fdfecdaa1f1c4cb68"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling packed_struct v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug_fmt.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             try!(fmt.write_str(s));
[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/debug_fmt.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |             try!(write!(f, "{name:>0$} | {base_value:?}\r\n",
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug_fmt.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |             try!(write!(f, "{name:>0$} | bits {bits_start:>3}:{bits_end:<3} | 0b{binary_value:>0width_bits$b}{dummy:>0spaces$} | {base_value:?}\r\n",
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:116:21
[INFO] [stderr]     |
[INFO] [stderr] 116 |                     try!(f.write_str(P::packed_struct_display_header()));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:117:21
[INFO] [stderr]     |
[INFO] [stderr] 117 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:118:21
[INFO] [stderr]     |
[INFO] [stderr] 118 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |                     try!(f.write_str("Decimal\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:124:21
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     try!(f.write_str("["));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:126:25
[INFO] [stderr]     |
[INFO] [stderr] 126 |                         try!(write!(f, "{}", packed[i]));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:128:29
[INFO] [stderr]     |
[INFO] [stderr] 128 | ...                   try!(f.write_str(", "));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:131:21
[INFO] [stderr]     |
[INFO] [stderr] 131 |                     try!(f.write_str("]"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:133:21
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:134:21
[INFO] [stderr]     |
[INFO] [stderr] 134 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:139:21
[INFO] [stderr]     |
[INFO] [stderr] 139 |                     try!(f.write_str("Hex\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:140:21
[INFO] [stderr]     |
[INFO] [stderr] 140 |                     try!(f.write_str("["));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:142:25
[INFO] [stderr]     |
[INFO] [stderr] 142 |                         try!(write!(f, "0x{:X}", packed[i]));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:144:29
[INFO] [stderr]     |
[INFO] [stderr] 144 | ...                   try!(f.write_str(", "));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:147:21
[INFO] [stderr]     |
[INFO] [stderr] 147 |                     try!(f.write_str("]"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:148:21
[INFO] [stderr]     |
[INFO] [stderr] 148 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:149:21
[INFO] [stderr]     |
[INFO] [stderr] 149 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:153:21
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     try!(f.write_str("Binary\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:154:21
[INFO] [stderr]     |
[INFO] [stderr] 154 |                     try!(f.write_str("["));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:156:25
[INFO] [stderr]     |
[INFO] [stderr] 156 |                         try!(write!(f, "0b{:08b}", packed[i]));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:158:29
[INFO] [stderr]     |
[INFO] [stderr] 158 | ...                   try!(f.write_str(", "));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:161:21
[INFO] [stderr]     |
[INFO] [stderr] 161 |                     try!(f.write_str("]"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:162:21
[INFO] [stderr]     |
[INFO] [stderr] 162 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:163:21
[INFO] [stderr]     |
[INFO] [stderr] 163 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:167:21
[INFO] [stderr]     |
[INFO] [stderr] 167 |                     try!(self.packed_struct.fmt_fields(f));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 28 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.45s
[INFO] running `"docker" "inspect" "d526637e67ffa19a7a13192c030870e99f617fcd25fc698fdfecdaa1f1c4cb68"`
[INFO] running `"docker" "rm" "-f" "d526637e67ffa19a7a13192c030870e99f617fcd25fc698fdfecdaa1f1c4cb68"`
[INFO] [stdout] d526637e67ffa19a7a13192c030870e99f617fcd25fc698fdfecdaa1f1c4cb68
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 88786f6edea7419bb2b1d02db38ea2079163f1e94a39e9a3255c648afc02330c
[INFO] running `"docker" "start" "-a" "88786f6edea7419bb2b1d02db38ea2079163f1e94a39e9a3255c648afc02330c"`
[INFO] [stderr]    Compiling packed_struct v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug_fmt.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             try!(fmt.write_str(s));
[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/debug_fmt.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |             try!(write!(f, "{name:>0$} | {base_value:?}\r\n",
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug_fmt.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |             try!(write!(f, "{name:>0$} | bits {bits_start:>3}:{bits_end:<3} | 0b{binary_value:>0width_bits$b}{dummy:>0spaces$} | {base_value:?}\r\n",
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:116:21
[INFO] [stderr]     |
[INFO] [stderr] 116 |                     try!(f.write_str(P::packed_struct_display_header()));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:117:21
[INFO] [stderr]     |
[INFO] [stderr] 117 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:118:21
[INFO] [stderr]     |
[INFO] [stderr] 118 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |                     try!(f.write_str("Decimal\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:124:21
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     try!(f.write_str("["));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:126:25
[INFO] [stderr]     |
[INFO] [stderr] 126 |                         try!(write!(f, "{}", packed[i]));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:128:29
[INFO] [stderr]     |
[INFO] [stderr] 128 | ...                   try!(f.write_str(", "));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:131:21
[INFO] [stderr]     |
[INFO] [stderr] 131 |                     try!(f.write_str("]"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:133:21
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:134:21
[INFO] [stderr]     |
[INFO] [stderr] 134 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:139:21
[INFO] [stderr]     |
[INFO] [stderr] 139 |                     try!(f.write_str("Hex\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:140:21
[INFO] [stderr]     |
[INFO] [stderr] 140 |                     try!(f.write_str("["));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:142:25
[INFO] [stderr]     |
[INFO] [stderr] 142 |                         try!(write!(f, "0x{:X}", packed[i]));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:144:29
[INFO] [stderr]     |
[INFO] [stderr] 144 | ...                   try!(f.write_str(", "));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:147:21
[INFO] [stderr]     |
[INFO] [stderr] 147 |                     try!(f.write_str("]"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:148:21
[INFO] [stderr]     |
[INFO] [stderr] 148 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:149:21
[INFO] [stderr]     |
[INFO] [stderr] 149 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:153:21
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     try!(f.write_str("Binary\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:154:21
[INFO] [stderr]     |
[INFO] [stderr] 154 |                     try!(f.write_str("["));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:156:25
[INFO] [stderr]     |
[INFO] [stderr] 156 |                         try!(write!(f, "0b{:08b}", packed[i]));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:158:29
[INFO] [stderr]     |
[INFO] [stderr] 158 | ...                   try!(f.write_str(", "));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:161:21
[INFO] [stderr]     |
[INFO] [stderr] 161 |                     try!(f.write_str("]"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:162:21
[INFO] [stderr]     |
[INFO] [stderr] 162 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:163:21
[INFO] [stderr]     |
[INFO] [stderr] 163 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:167:21
[INFO] [stderr]     |
[INFO] [stderr] 167 |                     try!(self.packed_struct.fmt_fields(f));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 28 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug_fmt.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             try!(fmt.write_str(s));
[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/debug_fmt.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |             try!(write!(f, "{name:>0$} | {base_value:?}\r\n",
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug_fmt.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |             try!(write!(f, "{name:>0$} | bits {bits_start:>3}:{bits_end:<3} | 0b{binary_value:>0width_bits$b}{dummy:>0spaces$} | {base_value:?}\r\n",
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:116:21
[INFO] [stderr]     |
[INFO] [stderr] 116 |                     try!(f.write_str(P::packed_struct_display_header()));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:117:21
[INFO] [stderr]     |
[INFO] [stderr] 117 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:118:21
[INFO] [stderr]     |
[INFO] [stderr] 118 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |                     try!(f.write_str("Decimal\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:124:21
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     try!(f.write_str("["));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:126:25
[INFO] [stderr]     |
[INFO] [stderr] 126 |                         try!(write!(f, "{}", packed[i]));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:128:29
[INFO] [stderr]     |
[INFO] [stderr] 128 | ...                   try!(f.write_str(", "));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:131:21
[INFO] [stderr]     |
[INFO] [stderr] 131 |                     try!(f.write_str("]"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:133:21
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:134:21
[INFO] [stderr]     |
[INFO] [stderr] 134 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:139:21
[INFO] [stderr]     |
[INFO] [stderr] 139 |                     try!(f.write_str("Hex\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:140:21
[INFO] [stderr]     |
[INFO] [stderr] 140 |                     try!(f.write_str("["));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:142:25
[INFO] [stderr]     |
[INFO] [stderr] 142 |                         try!(write!(f, "0x{:X}", packed[i]));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:144:29
[INFO] [stderr]     |
[INFO] [stderr] 144 | ...                   try!(f.write_str(", "));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:147:21
[INFO] [stderr]     |
[INFO] [stderr] 147 |                     try!(f.write_str("]"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:148:21
[INFO] [stderr]     |
[INFO] [stderr] 148 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:149:21
[INFO] [stderr]     |
[INFO] [stderr] 149 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:153:21
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     try!(f.write_str("Binary\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:154:21
[INFO] [stderr]     |
[INFO] [stderr] 154 |                     try!(f.write_str("["));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:156:25
[INFO] [stderr]     |
[INFO] [stderr] 156 |                         try!(write!(f, "0b{:08b}", packed[i]));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:158:29
[INFO] [stderr]     |
[INFO] [stderr] 158 | ...                   try!(f.write_str(", "));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:161:21
[INFO] [stderr]     |
[INFO] [stderr] 161 |                     try!(f.write_str("]"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:162:21
[INFO] [stderr]     |
[INFO] [stderr] 162 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:163:21
[INFO] [stderr]     |
[INFO] [stderr] 163 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:167:21
[INFO] [stderr]     |
[INFO] [stderr] 167 |                     try!(self.packed_struct.fmt_fields(f));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 28 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.74s
[INFO] running `"docker" "inspect" "88786f6edea7419bb2b1d02db38ea2079163f1e94a39e9a3255c648afc02330c"`
[INFO] running `"docker" "rm" "-f" "88786f6edea7419bb2b1d02db38ea2079163f1e94a39e9a3255c648afc02330c"`
[INFO] [stdout] 88786f6edea7419bb2b1d02db38ea2079163f1e94a39e9a3255c648afc02330c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] cea3a3e08b1782e719077b532e68fdb1b3981f7d79595584d2e52f6efe8b39b0
[INFO] running `"docker" "start" "-a" "cea3a3e08b1782e719077b532e68fdb1b3981f7d79595584d2e52f6efe8b39b0"`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug_fmt.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             try!(fmt.write_str(s));
[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/debug_fmt.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |             try!(write!(f, "{name:>0$} | {base_value:?}\r\n",
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug_fmt.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             try!(fmt.write_str(s));
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug_fmt.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |             try!(write!(f, "{name:>0$} | {base_value:?}\r\n",
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug_fmt.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |             try!(write!(f, "{name:>0$} | bits {bits_start:>3}:{bits_end:<3} | 0b{binary_value:>0width_bits$b}{dummy:>0spaces$} | {base_value:?}\r\n",
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:116:21
[INFO] [stderr]     |
[INFO] [stderr] 116 |                     try!(f.write_str(P::packed_struct_display_header()));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:117:21
[INFO] [stderr]     |
[INFO] [stderr] 117 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:118:21
[INFO] [stderr]     |
[INFO] [stderr] 118 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |                     try!(f.write_str("Decimal\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:124:21
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     try!(f.write_str("["));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:126:25
[INFO] [stderr]     |
[INFO] [stderr] 126 |                         try!(write!(f, "{}", packed[i]));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:128:29
[INFO] [stderr]     |
[INFO] [stderr] 128 | ...                   try!(f.write_str(", "));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:131:21
[INFO] [stderr]     |
[INFO] [stderr] 131 |                     try!(f.write_str("]"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:133:21
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:134:21
[INFO] [stderr]     |
[INFO] [stderr] 134 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:139:21
[INFO] [stderr]     |
[INFO] [stderr] 139 |                     try!(f.write_str("Hex\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:140:21
[INFO] [stderr]     |
[INFO] [stderr] 140 |                     try!(f.write_str("["));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:142:25
[INFO] [stderr]     |
[INFO] [stderr] 142 |                         try!(write!(f, "0x{:X}", packed[i]));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:144:29
[INFO] [stderr]     |
[INFO] [stderr] 144 | ...                   try!(f.write_str(", "));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:147:21
[INFO] [stderr]     |
[INFO] [stderr] 147 |                     try!(f.write_str("]"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:148:21
[INFO] [stderr]     |
[INFO] [stderr] 148 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:149:21
[INFO] [stderr]     |
[INFO] [stderr] 149 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:153:21
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     try!(f.write_str("Binary\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:154:21
[INFO] [stderr]     |
[INFO] [stderr] 154 |                     try!(f.write_str("["));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:156:25
[INFO] [stderr]     |
[INFO] [stderr] 156 |                         try!(write!(f, "0b{:08b}", packed[i]));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:158:29
[INFO] [stderr]     |
[INFO] [stderr] 158 | ...                   try!(f.write_str(", "));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:161:21
[INFO] [stderr]     |
[INFO] [stderr] 161 |                     try!(f.write_str("]"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:162:21
[INFO] [stderr]     |
[INFO] [stderr] 162 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:163:21
[INFO] [stderr]     |
[INFO] [stderr] 163 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:167:21
[INFO] [stderr]     |
[INFO] [stderr] 167 |                     try!(self.packed_struct.fmt_fields(f));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 28 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/debug_fmt.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |             try!(write!(f, "{name:>0$} | bits {bits_start:>3}:{bits_end:<3} | 0b{binary_value:>0width_bits$b}{dummy:>0spaces$} | {base_value:?}\r\n",
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:116:21
[INFO] [stderr]     |
[INFO] [stderr] 116 |                     try!(f.write_str(P::packed_struct_display_header()));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:117:21
[INFO] [stderr]     |
[INFO] [stderr] 117 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:118:21
[INFO] [stderr]     |
[INFO] [stderr] 118 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |                     try!(f.write_str("Decimal\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:124:21
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     try!(f.write_str("["));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:126:25
[INFO] [stderr]     |
[INFO] [stderr] 126 |                         try!(write!(f, "{}", packed[i]));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:128:29
[INFO] [stderr]     |
[INFO] [stderr] 128 | ...                   try!(f.write_str(", "));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:131:21
[INFO] [stderr]     |
[INFO] [stderr] 131 |                     try!(f.write_str("]"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:133:21
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:134:21
[INFO] [stderr]     |
[INFO] [stderr] 134 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:139:21
[INFO] [stderr]     |
[INFO] [stderr] 139 |                     try!(f.write_str("Hex\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:140:21
[INFO] [stderr]     |
[INFO] [stderr] 140 |                     try!(f.write_str("["));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:142:25
[INFO] [stderr]     |
[INFO] [stderr] 142 |                         try!(write!(f, "0x{:X}", packed[i]));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:144:29
[INFO] [stderr]     |
[INFO] [stderr] 144 | ...                   try!(f.write_str(", "));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:147:21
[INFO] [stderr]     |
[INFO] [stderr] 147 |                     try!(f.write_str("]"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:148:21
[INFO] [stderr]     |
[INFO] [stderr] 148 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:149:21
[INFO] [stderr]     |
[INFO] [stderr] 149 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:153:21
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     try!(f.write_str("Binary\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:154:21
[INFO] [stderr]     |
[INFO] [stderr] 154 |                     try!(f.write_str("["));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:156:25
[INFO] [stderr]     |
[INFO] [stderr] 156 |                         try!(write!(f, "0b{:08b}", packed[i]));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:158:29
[INFO] [stderr]     |
[INFO] [stderr] 158 | ...                   try!(f.write_str(", "));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:161:21
[INFO] [stderr]     |
[INFO] [stderr] 161 |                     try!(f.write_str("]"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:162:21
[INFO] [stderr]     |
[INFO] [stderr] 162 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:163:21
[INFO] [stderr]     |
[INFO] [stderr] 163 |                     try!(f.write_str("\r\n"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/debug_fmt.rs:167:21
[INFO] [stderr]     |
[INFO] [stderr] 167 |                     try!(self.packed_struct.fmt_fields(f));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 28 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/packed_struct-5bd0de17bcd550a1
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test types_num::test_roundtrip_u24 ... ok
[INFO] [stdout] test types_num::test_packed_int_msb ... ok
[INFO] [stdout] test types_bits::test_byte_rotation ... ok
[INFO] [stdout] test types_num::test_packed_int_lsb_sub ... ok
[INFO] [stdout] test types_num::test_roundtrip_u20 ... ok
[INFO] [stdout] test types_num::test_packed_int_partial ... ok
[INFO] [stdout] test types_num::test_roundtrip_u32 ... ok
[INFO] [stdout] test types_num::test_packed_int_lsb ... ok
[INFO] [stdout] test types_num::test_slice_packing ... ok
[INFO] [stdout] test types_num::test_u64 ... ok
[INFO] [stdout] test types_num::test_u16 ... ok
[INFO] [stdout] test types_num::test_u8 ... ok
[INFO] [stdout] test types_num::test_u32 ... ok
[INFO] [stdout] test types_num::test_struct_info ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests packed_struct
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs -  (line 143) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 47) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 170) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 194) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 93) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 37) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 259) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 238) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 143) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `packed_struct_codegen`
[INFO] [stdout]  --> src/lib.rs:145:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use] extern crate packed_struct_codegen;
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs -  (line 47) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `packed_struct_codegen`
[INFO] [stdout]  --> src/lib.rs:49:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use] extern crate packed_struct_codegen;
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs -  (line 170) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `packed_struct_codegen`
[INFO] [stdout]  --> src/lib.rs:172:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use] extern crate packed_struct_codegen;
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs -  (line 194) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `packed_struct_codegen`
[INFO] [stdout]  --> src/lib.rs:196:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use] extern crate packed_struct_codegen;
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs -  (line 93) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `packed_struct_codegen`
[INFO] [stdout]  --> src/lib.rs:95:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use] extern crate packed_struct_codegen;
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs -  (line 37) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `packed_struct_codegen`
[INFO] [stdout]  --> src/lib.rs:40:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate packed_struct_codegen;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs -  (line 259) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `packed_struct_codegen`
[INFO] [stdout]  --> src/lib.rs:262:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use] extern crate packed_struct_codegen;
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs -  (line 238) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `packed_struct_codegen`
[INFO] [stdout]  --> src/lib.rs:240:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use] extern crate packed_struct_codegen;
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 143)
[INFO] [stdout]     src/lib.rs -  (line 170)
[INFO] [stdout]     src/lib.rs -  (line 194)
[INFO] [stdout]     src/lib.rs -  (line 238)
[INFO] [stdout]     src/lib.rs -  (line 259)
[INFO] [stdout]     src/lib.rs -  (line 37)
[INFO] [stdout]     src/lib.rs -  (line 47)
[INFO] [stdout]     src/lib.rs -  (line 93)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 8 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "cea3a3e08b1782e719077b532e68fdb1b3981f7d79595584d2e52f6efe8b39b0"`
[INFO] running `"docker" "rm" "-f" "cea3a3e08b1782e719077b532e68fdb1b3981f7d79595584d2e52f6efe8b39b0"`
[INFO] [stdout] cea3a3e08b1782e719077b532e68fdb1b3981f7d79595584d2e52f6efe8b39b0