[INFO] crate vcd 0.5.0 is already in cache
[INFO] documenting vcd-0.5.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate vcd 0.5.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate vcd 0.5.0 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-3/source/Cargo.toml
[INFO] crate crates.io crate vcd 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6f6a115607d3a1390ef4d4d3ac79236b511311079cd122ecfbec25ce75074f1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f6f6a115607d3a1390ef4d4d3ac79236b511311079cd122ecfbec25ce75074f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6f6a115607d3a1390ef4d4d3ac79236b511311079cd122ecfbec25ce75074f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6f6a115607d3a1390ef4d4d3ac79236b511311079cd122ecfbec25ce75074f1", kill_on_drop: false }`
[INFO] [stdout] f6f6a115607d3a1390ef4d4d3ac79236b511311079cd122ecfbec25ce75074f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24932959e4030c1fcaaab3a7c1057cc949cc4ae30bd14e0a851146710611d623
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "24932959e4030c1fcaaab3a7c1057cc949cc4ae30bd14e0a851146710611d623", kill_on_drop: false }`
[INFO] [stderr]     Checking vcd v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting vcd v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:38:43
[INFO] [stdout]    |
[INFO] [stdout] 38 |         if let Some(ref s) = h.date     { try!(self.date(s)); }
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:39:43
[INFO] [stdout]    |
[INFO] [stdout] 39 |         if let Some(ref s) = h.version  { try!(self.version(s)); }
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:40:43
[INFO] [stdout]    |
[INFO] [stdout] 40 |         if let Some(ref s) = h.comment  { try!(self.comment(s)); }
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:41:45
[INFO] [stdout]    |
[INFO] [stdout] 41 |         if let Some((v, u)) = h.timescale { try!(self.timescale(v, u)); }
[INFO] [stdout]    |                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:44:42
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 ScopeItem::Var(ref v) => try!(self.var(v)),
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:45:44
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 ScopeItem::Scope(ref s) => try!(self.scope(s)),
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         try!(self.scope_def(s.scope_type, &s.identifier[..]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:97:42
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 ScopeItem::Var(ref v) => try!(self.var(v)),
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:98:44
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 ScopeItem::Scope(ref s) => try!(self.scope(s)),
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |         try!(write!(self.writer, "b"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:156:22
[INFO] [stdout]     |
[INFO] [stdout] 156 |         for i in v { try!(write!(self.writer, "{}", i)) }
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:385:13
[INFO] [stdout]     |
[INFO] [stdout] 385 |             try!(write!(f, "{}", (r as u8 + ID_CHAR_MIN) as char));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "24932959e4030c1fcaaab3a7c1057cc949cc4ae30bd14e0a851146710611d623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24932959e4030c1fcaaab3a7c1057cc949cc4ae30bd14e0a851146710611d623", kill_on_drop: false }`
[INFO] [stdout] 24932959e4030c1fcaaab3a7c1057cc949cc4ae30bd14e0a851146710611d623