[INFO] cloning repository https://github.com/aji/miau
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aji/miau" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faji%2Fmiau", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faji%2Fmiau'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3502b08fe59c63a891c712d52ad728bbe5c2033b
[INFO] documenting aji/miau against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faji%2Fmiau" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aji/miau on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aji/miau
[INFO] finished tweaking git repo https://github.com/aji/miau
[INFO] tweaked toml for git repo https://github.com/aji/miau written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/aji/miau already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9670da7f0de05c07b9c39d7c02b02c4754f6445d9244bc7fdd57b7159ff0f44
[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" "f9670da7f0de05c07b9c39d7c02b02c4754f6445d9244bc7fdd57b7159ff0f44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9670da7f0de05c07b9c39d7c02b02c4754f6445d9244bc7fdd57b7159ff0f44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9670da7f0de05c07b9c39d7c02b02c4754f6445d9244bc7fdd57b7159ff0f44", kill_on_drop: false }`
[INFO] [stdout] f9670da7f0de05c07b9c39d7c02b02c4754f6445d9244bc7fdd57b7159ff0f44
[INFO] running `Command { std: "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" "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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e9677e2576b6a6b1ad105384bd57d5a097aeee6f8bd8a40f2e467447060da4f
[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" "2e9677e2576b6a6b1ad105384bd57d5a097aeee6f8bd8a40f2e467447060da4f", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]     Checking futures v0.1.13
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking serde v0.9.13
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking net2 v0.2.27
[INFO] [stderr]     Checking bytes v0.4.2
[INFO] [stderr]     Checking mio v0.6.6
[INFO] [stderr]     Checking tokio-io v0.1.1
[INFO] [stderr]     Checking tokio-core v0.1.6
[INFO] [stderr]     Checking toml v0.3.2
[INFO] [stderr]     Checking miau v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting miau v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/bot.rs:303:19
[INFO] [stdout]     |
[INFO] [stdout] 303 |     let connect = try!(start_connect(env.clone(), reactor.handle()));
[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/bot.rs:334:22
[INFO] [stdout]     |
[INFO] [stdout] 334 |     let addr = match try!((host, port).to_socket_addrs()).nth(0) {
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/environment.rs:127:20
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let mut file = try!(fs::File::open(&path[..]));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/environment.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 |     try!(file.read_to_string(&mut data));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/environment.rs:156:18
[INFO] [stdout]     |
[INFO] [stdout] 156 |         config:  try!(read_toml(config)),
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/environment.rs:157:18
[INFO] [stdout]     |
[INFO] [stdout] 157 |         overlay: try!(read_toml(overlay)),
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/irc.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         try!(write!(f, "Message({:?}, {:?}", self.src, self.verb));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/irc.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |             try!(write!(f, ", {:?}", s));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/irc.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         try!(write!(f, ")"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.70s
[INFO] running `Command { std: "docker" "inspect" "2e9677e2576b6a6b1ad105384bd57d5a097aeee6f8bd8a40f2e467447060da4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e9677e2576b6a6b1ad105384bd57d5a097aeee6f8bd8a40f2e467447060da4f", kill_on_drop: false }`
[INFO] [stdout] 2e9677e2576b6a6b1ad105384bd57d5a097aeee6f8bd8a40f2e467447060da4f