[INFO] crate vcd 0.5.0 is already in cache
[INFO] testing vcd-0.5.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate vcd 0.5.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate vcd 0.5.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate vcd 0.5.0
[INFO] finished tweaking crates.io crate vcd 0.5.0
[INFO] tweaked toml for crates.io crate vcd 0.5.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate vcd 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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" "+beta-2020-06-03" "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] 389f51877850671c2a74e0cb21be20e95fdcfd88297719ddf3d00fb890ddf9c3
[INFO] running `"docker" "start" "-a" "389f51877850671c2a74e0cb21be20e95fdcfd88297719ddf3d00fb890ddf9c3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling vcd v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:38:43
[INFO] [stderr]    |
[INFO] [stderr] 38 |         if let Some(ref s) = h.date     { try!(self.date(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/write.rs:39:43
[INFO] [stderr]    |
[INFO] [stderr] 39 |         if let Some(ref s) = h.version  { try!(self.version(s)); }
[INFO] [stderr]    |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:40:43
[INFO] [stderr]    |
[INFO] [stderr] 40 |         if let Some(ref s) = h.comment  { try!(self.comment(s)); }
[INFO] [stderr]    |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:41:45
[INFO] [stderr]    |
[INFO] [stderr] 41 |         if let Some((v, u)) = h.timescale { try!(self.timescale(v, u)); }
[INFO] [stderr]    |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:44:42
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 ScopeItem::Var(ref v) => try!(self.var(v)),
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:45:44
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 ScopeItem::Scope(ref s) => try!(self.scope(s)),
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         try!(self.scope_def(s.scope_type, &s.identifier[..]));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:97:42
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 ScopeItem::Var(ref v) => try!(self.var(v)),
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:98:44
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 ScopeItem::Scope(ref s) => try!(self.scope(s)),
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         try!(write!(self.writer, "b"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:156:22
[INFO] [stderr]     |
[INFO] [stderr] 156 |         for i in v { try!(write!(self.writer, "{}", i)) }
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:385:13
[INFO] [stderr]     |
[INFO] [stderr] 385 |             try!(write!(f, "{}", (r as u8 + ID_CHAR_MIN) as char));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `"docker" "inspect" "389f51877850671c2a74e0cb21be20e95fdcfd88297719ddf3d00fb890ddf9c3"`
[INFO] running `"docker" "rm" "-f" "389f51877850671c2a74e0cb21be20e95fdcfd88297719ddf3d00fb890ddf9c3"`
[INFO] [stdout] 389f51877850671c2a74e0cb21be20e95fdcfd88297719ddf3d00fb890ddf9c3
[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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] 95844aa0986e64ab6acace12b8e9494bf18221436165fc67b3930fbfb71721bf
[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" "95844aa0986e64ab6acace12b8e9494bf18221436165fc67b3930fbfb71721bf"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:38:43
[INFO] [stderr]    |
[INFO] [stderr] 38 |         if let Some(ref s) = h.date     { try!(self.date(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/write.rs:39:43
[INFO] [stderr]    |
[INFO] [stderr] 39 |         if let Some(ref s) = h.version  { try!(self.version(s)); }
[INFO] [stderr]    |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:40:43
[INFO] [stderr]    |
[INFO] [stderr] 40 |         if let Some(ref s) = h.comment  { try!(self.comment(s)); }
[INFO] [stderr]    |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:41:45
[INFO] [stderr]    |
[INFO] [stderr] 41 |         if let Some((v, u)) = h.timescale { try!(self.timescale(v, u)); }
[INFO] [stderr]    |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:44:42
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 ScopeItem::Var(ref v) => try!(self.var(v)),
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:45:44
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 ScopeItem::Scope(ref s) => try!(self.scope(s)),
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         try!(self.scope_def(s.scope_type, &s.identifier[..]));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:97:42
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 ScopeItem::Var(ref v) => try!(self.var(v)),
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:98:44
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 ScopeItem::Scope(ref s) => try!(self.scope(s)),
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         try!(write!(self.writer, "b"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:156:22
[INFO] [stderr]     |
[INFO] [stderr] 156 |         for i in v { try!(write!(self.writer, "{}", i)) }
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:385:13
[INFO] [stderr]     |
[INFO] [stderr] 385 |             try!(write!(f, "{}", (r as u8 + ID_CHAR_MIN) as char));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling vcd v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:38:43
[INFO] [stderr]    |
[INFO] [stderr] 38 |         if let Some(ref s) = h.date     { try!(self.date(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/write.rs:39:43
[INFO] [stderr]    |
[INFO] [stderr] 39 |         if let Some(ref s) = h.version  { try!(self.version(s)); }
[INFO] [stderr]    |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:40:43
[INFO] [stderr]    |
[INFO] [stderr] 40 |         if let Some(ref s) = h.comment  { try!(self.comment(s)); }
[INFO] [stderr]    |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:41:45
[INFO] [stderr]    |
[INFO] [stderr] 41 |         if let Some((v, u)) = h.timescale { try!(self.timescale(v, u)); }
[INFO] [stderr]    |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:44:42
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 ScopeItem::Var(ref v) => try!(self.var(v)),
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:45:44
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 ScopeItem::Scope(ref s) => try!(self.scope(s)),
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         try!(self.scope_def(s.scope_type, &s.identifier[..]));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:97:42
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 ScopeItem::Var(ref v) => try!(self.var(v)),
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:98:44
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 ScopeItem::Scope(ref s) => try!(self.scope(s)),
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         try!(write!(self.writer, "b"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:156:22
[INFO] [stderr]     |
[INFO] [stderr] 156 |         for i in v { try!(write!(self.writer, "{}", i)) }
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:385:13
[INFO] [stderr]     |
[INFO] [stderr] 385 |             try!(write!(f, "{}", (r as u8 + ID_CHAR_MIN) as char));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `"docker" "inspect" "95844aa0986e64ab6acace12b8e9494bf18221436165fc67b3930fbfb71721bf"`
[INFO] running `"docker" "rm" "-f" "95844aa0986e64ab6acace12b8e9494bf18221436165fc67b3930fbfb71721bf"`
[INFO] [stdout] 95844aa0986e64ab6acace12b8e9494bf18221436165fc67b3930fbfb71721bf
[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" "+beta-2020-06-03" "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] 657f5eb6c8fecf4c7416c26b39871d9114748696be24efbb92c148cba3286e4e
[INFO] running `"docker" "start" "-a" "657f5eb6c8fecf4c7416c26b39871d9114748696be24efbb92c148cba3286e4e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:38:43
[INFO] [stderr]    |
[INFO] [stderr] 38 |         if let Some(ref s) = h.date     { try!(self.date(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/write.rs:39:43
[INFO] [stderr]    |
[INFO] [stderr] 39 |         if let Some(ref s) = h.version  { try!(self.version(s)); }
[INFO] [stderr]    |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:40:43
[INFO] [stderr]    |
[INFO] [stderr] 40 |         if let Some(ref s) = h.comment  { try!(self.comment(s)); }
[INFO] [stderr]    |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:41:45
[INFO] [stderr]    |
[INFO] [stderr] 41 |         if let Some((v, u)) = h.timescale { try!(self.timescale(v, u)); }
[INFO] [stderr]    |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:44:42
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 ScopeItem::Var(ref v) => try!(self.var(v)),
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:45:44
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 ScopeItem::Scope(ref s) => try!(self.scope(s)),
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         try!(self.scope_def(s.scope_type, &s.identifier[..]));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:97:42
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 ScopeItem::Var(ref v) => try!(self.var(v)),
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:98:44
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 ScopeItem::Scope(ref s) => try!(self.scope(s)),
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         try!(write!(self.writer, "b"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:156:22
[INFO] [stderr]     |
[INFO] [stderr] 156 |         for i in v { try!(write!(self.writer, "{}", i)) }
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:385:13
[INFO] [stderr]     |
[INFO] [stderr] 385 |             try!(write!(f, "{}", (r as u8 + ID_CHAR_MIN) as char));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:38:43
[INFO] [stderr]    |
[INFO] [stderr] 38 |         if let Some(ref s) = h.date     { try!(self.date(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/write.rs:39:43
[INFO] [stderr]    |
[INFO] [stderr] 39 |         if let Some(ref s) = h.version  { try!(self.version(s)); }
[INFO] [stderr]    |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:40:43
[INFO] [stderr]    |
[INFO] [stderr] 40 |         if let Some(ref s) = h.comment  { try!(self.comment(s)); }
[INFO] [stderr]    |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:41:45
[INFO] [stderr]    |
[INFO] [stderr] 41 |         if let Some((v, u)) = h.timescale { try!(self.timescale(v, u)); }
[INFO] [stderr]    |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:44:42
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 ScopeItem::Var(ref v) => try!(self.var(v)),
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:45:44
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 ScopeItem::Scope(ref s) => try!(self.scope(s)),
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         try!(self.scope_def(s.scope_type, &s.identifier[..]));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:97:42
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 ScopeItem::Var(ref v) => try!(self.var(v)),
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:98:44
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 ScopeItem::Scope(ref s) => try!(self.scope(s)),
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         try!(write!(self.writer, "b"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:156:22
[INFO] [stderr]     |
[INFO] [stderr] 156 |         for i in v { try!(write!(self.writer, "{}", i)) }
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:385:13
[INFO] [stderr]     |
[INFO] [stderr] 385 |             try!(write!(f, "{}", (r as u8 + ID_CHAR_MIN) as char));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vcd-94090f03a1d5371f
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test read::test::wikipedia_sample ... ok
[INFO] [stdout] test read::test::name_with_spaces ... ok
[INFO] [stdout] test read::test::more_type_examples ... ok
[INFO] [stdout] test read::test::symbiyosys_example ... ok
[INFO] [stdout] test test_id_code ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vcd_reformat-0541dde27d9582f8
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vcd
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/read.rs - read::Parser<R>::new (line 33) ... ok
[INFO] [stdout] test src/write.rs - write::Writer::new (line 28) ... ok
[INFO] [stdout] test src/lib.rs - Header::find_var (line 635) ... ok
[INFO] [stdout] test src/lib.rs - Header::find_scope (line 580) ... ok
[INFO] [stdout] test src/lib.rs -  (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "657f5eb6c8fecf4c7416c26b39871d9114748696be24efbb92c148cba3286e4e"`
[INFO] running `"docker" "rm" "-f" "657f5eb6c8fecf4c7416c26b39871d9114748696be24efbb92c148cba3286e4e"`
[INFO] [stdout] 657f5eb6c8fecf4c7416c26b39871d9114748696be24efbb92c148cba3286e4e